/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- NO Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 10:38:14,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:38:14,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:38:14,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:38:14,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:38:14,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:38:14,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:38:14,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:38:14,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:38:14,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:38:14,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:38:14,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:38:14,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:38:14,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:38:14,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:38:14,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:38:14,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:38:14,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:38:14,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:38:14,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:38:14,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:38:14,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:38:14,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:38:14,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:38:14,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:38:14,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:38:14,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:38:14,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:38:14,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:38:14,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:38:14,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:38:14,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:38:14,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:38:14,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:38:14,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:38:14,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:38:14,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:38:14,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:38:14,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:38:14,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:38:14,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:38:14,288 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 10:38:14,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:38:14,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:38:14,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:38:14,304 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:38:14,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:38:14,304 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:38:14,305 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:38:14,305 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:38:14,305 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:38:14,305 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:38:14,305 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:38:14,305 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:38:14,306 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:38:14,306 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:38:14,306 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:38:14,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:38:14,306 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:38:14,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:38:14,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:38:14,307 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:38:14,307 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:38:14,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:38:14,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:38:14,308 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:38:14,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:38:14,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:38:14,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:38:14,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:38:14,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:38:14,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:38:14,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:38:14,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:38:14,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:38:14,492 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:38:14,492 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:38:14,556 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_b_c1dv/tmp/6da55289dc02446b90a1af15555f60a0/FLAG45d4d9c11 [2020-07-01 10:38:14,930 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:38:14,931 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:38:14,941 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_b_c1dv/tmp/6da55289dc02446b90a1af15555f60a0/FLAG45d4d9c11 [2020-07-01 10:38:15,293 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_b_c1dv/tmp/6da55289dc02446b90a1af15555f60a0 [2020-07-01 10:38:15,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:38:15,305 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:38:15,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:38:15,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:38:15,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:38:15,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:38:15" (1/1) ... [2020-07-01 10:38:15,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50885f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15, skipping insertion in model container [2020-07-01 10:38:15,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:38:15" (1/1) ... [2020-07-01 10:38:15,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:38:15,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:38:15,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:38:15,683 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:38:15,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:38:15,766 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:38:15,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15 WrapperNode [2020-07-01 10:38:15,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:38:15,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:38:15,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:38:15,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:38:15,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15" (1/1) ... [2020-07-01 10:38:15,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15" (1/1) ... [2020-07-01 10:38:15,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:38:15,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:38:15,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:38:15,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:38:15,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15" (1/1) ... [2020-07-01 10:38:15,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15" (1/1) ... [2020-07-01 10:38:15,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15" (1/1) ... [2020-07-01 10:38:15,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15" (1/1) ... [2020-07-01 10:38:15,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15" (1/1) ... [2020-07-01 10:38:15,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15" (1/1) ... [2020-07-01 10:38:15,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15" (1/1) ... [2020-07-01 10:38:15,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:38:15,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:38:15,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:38:15,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:38:15,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:38:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_msg_t [2020-07-01 10:38:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:38:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:38:16,578 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:38:16,610 INFO L295 CfgBuilder]: Removed 26 assume(true) statements. [2020-07-01 10:38:16,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:38:16 BoogieIcfgContainer [2020-07-01 10:38:16,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:38:16,617 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:38:16,617 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:38:16,619 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:38:16,620 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:38:16" (1/1) ... [2020-07-01 10:38:16,644 INFO L313 BlockEncoder]: Initial Icfg 143 locations, 245 edges [2020-07-01 10:38:16,646 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:38:16,647 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:38:16,647 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:38:16,648 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:38:16,649 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:38:16,650 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:38:16,650 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:38:16,706 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:38:16,769 INFO L200 BlockEncoder]: SBE split 111 edges [2020-07-01 10:38:16,776 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility [2020-07-01 10:38:16,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:38:16,809 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-07-01 10:38:16,812 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states [2020-07-01 10:38:16,814 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:38:16,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:38:16,815 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:38:16,816 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:38:16,817 INFO L313 BlockEncoder]: Encoded RCFG 138 locations, 364 edges [2020-07-01 10:38:16,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:38:16 BasicIcfg [2020-07-01 10:38:16,817 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:38:16,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:38:16,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:38:16,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:38:16,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:38:15" (1/4) ... [2020-07-01 10:38:16,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0a374e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:38:16, skipping insertion in model container [2020-07-01 10:38:16,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15" (2/4) ... [2020-07-01 10:38:16,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0a374e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:38:16, skipping insertion in model container [2020-07-01 10:38:16,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:38:16" (3/4) ... [2020-07-01 10:38:16,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0a374e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:38:16, skipping insertion in model container [2020-07-01 10:38:16,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:38:16" (4/4) ... [2020-07-01 10:38:16,827 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:38:16,838 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:38:16,847 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:38:16,862 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:38:16,888 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:38:16,888 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:38:16,888 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:38:16,888 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:38:16,889 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:38:16,889 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:38:16,889 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:38:16,889 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:38:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-07-01 10:38:16,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:38:16,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 138 states. [2020-07-01 10:38:16,991 INFO L268 CegarLoopResult]: For program point L126(lines 126 153) no Hoare annotation was computed. [2020-07-01 10:38:16,992 INFO L268 CegarLoopResult]: For program point L349(lines 349 453) no Hoare annotation was computed. [2020-07-01 10:38:16,992 INFO L271 CegarLoopResult]: At program point L126-2(lines 120 156) the Hoare annotation is: true [2020-07-01 10:38:16,992 INFO L268 CegarLoopResult]: For program point L316(lines 316 321) no Hoare annotation was computed. [2020-07-01 10:38:16,992 INFO L268 CegarLoopResult]: For program point L283(line 283) no Hoare annotation was computed. [2020-07-01 10:38:16,992 INFO L268 CegarLoopResult]: For program point L217(lines 217 219) no Hoare annotation was computed. [2020-07-01 10:38:16,993 INFO L268 CegarLoopResult]: For program point L283-2(line 283) no Hoare annotation was computed. [2020-07-01 10:38:16,993 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-01 10:38:16,993 INFO L268 CegarLoopResult]: For program point L217-2(lines 214 219) no Hoare annotation was computed. [2020-07-01 10:38:16,993 INFO L268 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-07-01 10:38:16,993 INFO L268 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2020-07-01 10:38:16,993 INFO L268 CegarLoopResult]: For program point L341(lines 341 477) no Hoare annotation was computed. [2020-07-01 10:38:16,994 INFO L268 CegarLoopResult]: For program point L366(lines 366 402) no Hoare annotation was computed. [2020-07-01 10:38:16,994 INFO L268 CegarLoopResult]: For program point L234(lines 234 245) no Hoare annotation was computed. [2020-07-01 10:38:16,994 INFO L268 CegarLoopResult]: For program point L201(lines 201 210) no Hoare annotation was computed. [2020-07-01 10:38:16,994 INFO L268 CegarLoopResult]: For program point L234-1(lines 234 245) no Hoare annotation was computed. [2020-07-01 10:38:16,994 INFO L268 CegarLoopResult]: For program point L168(lines 168 173) no Hoare annotation was computed. [2020-07-01 10:38:16,994 INFO L268 CegarLoopResult]: For program point L135(lines 135 139) no Hoare annotation was computed. [2020-07-01 10:38:16,994 INFO L268 CegarLoopResult]: For program point L358(lines 358 426) no Hoare annotation was computed. [2020-07-01 10:38:16,995 INFO L268 CegarLoopResult]: For program point L614(lines 614 625) no Hoare annotation was computed. [2020-07-01 10:38:16,995 INFO L268 CegarLoopResult]: For program point L350(lines 350 450) no Hoare annotation was computed. [2020-07-01 10:38:16,995 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:38:16,995 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-07-01 10:38:16,995 INFO L268 CegarLoopResult]: For program point L251(lines 251 253) no Hoare annotation was computed. [2020-07-01 10:38:16,995 INFO L268 CegarLoopResult]: For program point L317-2(line 317) no Hoare annotation was computed. [2020-07-01 10:38:16,995 INFO L268 CegarLoopResult]: For program point L507(lines 507 518) no Hoare annotation was computed. [2020-07-01 10:38:16,996 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-01 10:38:16,996 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 518) no Hoare annotation was computed. [2020-07-01 10:38:16,996 INFO L268 CegarLoopResult]: For program point L251-2(lines 248 253) no Hoare annotation was computed. [2020-07-01 10:38:16,996 INFO L268 CegarLoopResult]: For program point L218-2(line 218) no Hoare annotation was computed. [2020-07-01 10:38:16,996 INFO L268 CegarLoopResult]: For program point L342(lines 342 474) no Hoare annotation was computed. [2020-07-01 10:38:16,996 INFO L271 CegarLoopResult]: At program point L499(lines 329 501) the Hoare annotation is: true [2020-07-01 10:38:16,996 INFO L268 CegarLoopResult]: For program point L367(lines 367 399) no Hoare annotation was computed. [2020-07-01 10:38:16,997 INFO L268 CegarLoopResult]: For program point L334(lines 334 498) no Hoare annotation was computed. [2020-07-01 10:38:16,997 INFO L268 CegarLoopResult]: For program point L334-1(lines 334 498) no Hoare annotation was computed. [2020-07-01 10:38:16,997 INFO L268 CegarLoopResult]: For program point L268(lines 268 279) no Hoare annotation was computed. [2020-07-01 10:38:16,997 INFO L268 CegarLoopResult]: For program point L235(lines 235 244) no Hoare annotation was computed. [2020-07-01 10:38:16,997 INFO L268 CegarLoopResult]: For program point L268-1(lines 268 279) no Hoare annotation was computed. [2020-07-01 10:38:16,997 INFO L268 CegarLoopResult]: For program point L202(lines 202 207) no Hoare annotation was computed. [2020-07-01 10:38:16,997 INFO L268 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-07-01 10:38:16,998 INFO L268 CegarLoopResult]: For program point L351(lines 351 447) no Hoare annotation was computed. [2020-07-01 10:38:16,998 INFO L271 CegarLoopResult]: At program point L607-2(lines 607 611) the Hoare annotation is: true [2020-07-01 10:38:16,998 INFO L268 CegarLoopResult]: For program point L285(lines 285 287) no Hoare annotation was computed. [2020-07-01 10:38:16,998 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-07-01 10:38:16,998 INFO L268 CegarLoopResult]: For program point L508(lines 508 515) no Hoare annotation was computed. [2020-07-01 10:38:16,998 INFO L268 CegarLoopResult]: For program point L285-2(lines 282 287) no Hoare annotation was computed. [2020-07-01 10:38:16,999 INFO L268 CegarLoopResult]: For program point L252-2(line 252) no Hoare annotation was computed. [2020-07-01 10:38:16,999 INFO L268 CegarLoopResult]: For program point L343(lines 343 471) no Hoare annotation was computed. [2020-07-01 10:38:16,999 INFO L268 CegarLoopResult]: For program point L368(lines 368 396) no Hoare annotation was computed. [2020-07-01 10:38:16,999 INFO L268 CegarLoopResult]: For program point L335(lines 335 495) no Hoare annotation was computed. [2020-07-01 10:38:16,999 INFO L268 CegarLoopResult]: For program point L302(lines 302 313) no Hoare annotation was computed. [2020-07-01 10:38:16,999 INFO L268 CegarLoopResult]: For program point L269(lines 269 278) no Hoare annotation was computed. [2020-07-01 10:38:16,999 INFO L268 CegarLoopResult]: For program point L302-1(lines 302 313) no Hoare annotation was computed. [2020-07-01 10:38:16,999 INFO L268 CegarLoopResult]: For program point L236(lines 236 241) no Hoare annotation was computed. [2020-07-01 10:38:17,000 INFO L268 CegarLoopResult]: For program point L360(lines 360 420) no Hoare annotation was computed. [2020-07-01 10:38:17,000 INFO L268 CegarLoopResult]: For program point L352(lines 352 444) no Hoare annotation was computed. [2020-07-01 10:38:17,000 INFO L268 CegarLoopResult]: For program point L319(lines 319 321) no Hoare annotation was computed. [2020-07-01 10:38:17,000 INFO L268 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-07-01 10:38:17,000 INFO L271 CegarLoopResult]: At program point L575-2(lines 575 599) the Hoare annotation is: true [2020-07-01 10:38:17,000 INFO L268 CegarLoopResult]: For program point L319-2(lines 316 321) no Hoare annotation was computed. [2020-07-01 10:38:17,001 INFO L268 CegarLoopResult]: For program point L286-2(line 286) no Hoare annotation was computed. [2020-07-01 10:38:17,001 INFO L268 CegarLoopResult]: For program point L344(lines 344 468) no Hoare annotation was computed. [2020-07-01 10:38:17,001 INFO L268 CegarLoopResult]: For program point L146(lines 146 151) no Hoare annotation was computed. [2020-07-01 10:38:17,001 INFO L268 CegarLoopResult]: For program point L369(lines 369 393) no Hoare annotation was computed. [2020-07-01 10:38:17,001 INFO L268 CegarLoopResult]: For program point L336(lines 336 492) no Hoare annotation was computed. [2020-07-01 10:38:17,001 INFO L268 CegarLoopResult]: For program point L303(lines 303 312) no Hoare annotation was computed. [2020-07-01 10:38:17,001 INFO L268 CegarLoopResult]: For program point L270(lines 270 275) no Hoare annotation was computed. [2020-07-01 10:38:17,001 INFO L268 CegarLoopResult]: For program point L171(lines 171 173) no Hoare annotation was computed. [2020-07-01 10:38:17,002 INFO L268 CegarLoopResult]: For program point L361(lines 361 417) no Hoare annotation was computed. [2020-07-01 10:38:17,002 INFO L268 CegarLoopResult]: For program point L163(lines 163 187) no Hoare annotation was computed. [2020-07-01 10:38:17,002 INFO L268 CegarLoopResult]: For program point L130(lines 130 143) no Hoare annotation was computed. [2020-07-01 10:38:17,002 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 143) no Hoare annotation was computed. [2020-07-01 10:38:17,002 INFO L271 CegarLoopResult]: At program point L163-2(lines 157 190) the Hoare annotation is: true [2020-07-01 10:38:17,002 INFO L268 CegarLoopResult]: For program point L353(lines 353 441) no Hoare annotation was computed. [2020-07-01 10:38:17,002 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-07-01 10:38:17,003 INFO L268 CegarLoopResult]: For program point L320-2(line 320) no Hoare annotation was computed. [2020-07-01 10:38:17,003 INFO L268 CegarLoopResult]: For program point L345(lines 345 465) no Hoare annotation was computed. [2020-07-01 10:38:17,003 INFO L268 CegarLoopResult]: For program point L180(lines 180 185) no Hoare annotation was computed. [2020-07-01 10:38:17,003 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-07-01 10:38:17,003 INFO L268 CegarLoopResult]: For program point L370(lines 370 390) no Hoare annotation was computed. [2020-07-01 10:38:17,003 INFO L268 CegarLoopResult]: For program point L337(lines 337 489) no Hoare annotation was computed. [2020-07-01 10:38:17,003 INFO L268 CegarLoopResult]: For program point L147-2(line 147) no Hoare annotation was computed. [2020-07-01 10:38:17,004 INFO L268 CegarLoopResult]: For program point L304(lines 304 309) no Hoare annotation was computed. [2020-07-01 10:38:17,004 INFO L268 CegarLoopResult]: For program point L205(lines 205 207) no Hoare annotation was computed. [2020-07-01 10:38:17,004 INFO L268 CegarLoopResult]: For program point L362(lines 362 414) no Hoare annotation was computed. [2020-07-01 10:38:17,004 INFO L271 CegarLoopResult]: At program point L519(lines 502 521) the Hoare annotation is: true [2020-07-01 10:38:17,004 INFO L268 CegarLoopResult]: For program point L197(lines 197 221) no Hoare annotation was computed. [2020-07-01 10:38:17,004 INFO L268 CegarLoopResult]: For program point L131(lines 131 142) no Hoare annotation was computed. [2020-07-01 10:38:17,004 INFO L271 CegarLoopResult]: At program point L197-2(lines 191 224) the Hoare annotation is: true [2020-07-01 10:38:17,005 INFO L268 CegarLoopResult]: For program point L354(lines 354 438) no Hoare annotation was computed. [2020-07-01 10:38:17,005 INFO L268 CegarLoopResult]: For program point L511(lines 511 515) no Hoare annotation was computed. [2020-07-01 10:38:17,005 INFO L268 CegarLoopResult]: For program point L602(lines 602 613) no Hoare annotation was computed. [2020-07-01 10:38:17,019 INFO L268 CegarLoopResult]: For program point L346(lines 346 462) no Hoare annotation was computed. [2020-07-01 10:38:17,019 INFO L268 CegarLoopResult]: For program point L214(lines 214 219) no Hoare annotation was computed. [2020-07-01 10:38:17,019 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-01 10:38:17,020 INFO L268 CegarLoopResult]: For program point L181-2(line 181) no Hoare annotation was computed. [2020-07-01 10:38:17,020 INFO L268 CegarLoopResult]: For program point L371(lines 371 387) no Hoare annotation was computed. [2020-07-01 10:38:17,020 INFO L268 CegarLoopResult]: For program point L338(lines 338 486) no Hoare annotation was computed. [2020-07-01 10:38:17,020 INFO L268 CegarLoopResult]: For program point L239(lines 239 241) no Hoare annotation was computed. [2020-07-01 10:38:17,020 INFO L268 CegarLoopResult]: For program point L363(lines 363 411) no Hoare annotation was computed. [2020-07-01 10:38:17,020 INFO L268 CegarLoopResult]: For program point L619(lines 619 623) no Hoare annotation was computed. [2020-07-01 10:38:17,020 INFO L268 CegarLoopResult]: For program point L231(lines 231 255) no Hoare annotation was computed. [2020-07-01 10:38:17,021 INFO L271 CegarLoopResult]: At program point L231-2(lines 225 258) the Hoare annotation is: true [2020-07-01 10:38:17,022 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-01 10:38:17,022 INFO L268 CegarLoopResult]: For program point L355(lines 355 435) no Hoare annotation was computed. [2020-07-01 10:38:17,022 INFO L268 CegarLoopResult]: For program point L347(lines 347 459) no Hoare annotation was computed. [2020-07-01 10:38:17,022 INFO L268 CegarLoopResult]: For program point L248(lines 248 253) no Hoare annotation was computed. [2020-07-01 10:38:17,022 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-01 10:38:17,022 INFO L268 CegarLoopResult]: For program point L149(lines 149 151) no Hoare annotation was computed. [2020-07-01 10:38:17,022 INFO L268 CegarLoopResult]: For program point L215-2(line 215) no Hoare annotation was computed. [2020-07-01 10:38:17,022 INFO L268 CegarLoopResult]: For program point L372(lines 372 384) no Hoare annotation was computed. [2020-07-01 10:38:17,023 INFO L268 CegarLoopResult]: For program point L339(lines 339 483) no Hoare annotation was computed. [2020-07-01 10:38:17,023 INFO L268 CegarLoopResult]: For program point L149-2(lines 146 151) no Hoare annotation was computed. [2020-07-01 10:38:17,023 INFO L268 CegarLoopResult]: For program point L273(lines 273 275) no Hoare annotation was computed. [2020-07-01 10:38:17,023 INFO L268 CegarLoopResult]: For program point L364(lines 364 408) no Hoare annotation was computed. [2020-07-01 10:38:17,023 INFO L268 CegarLoopResult]: For program point L265(lines 265 289) no Hoare annotation was computed. [2020-07-01 10:38:17,023 INFO L271 CegarLoopResult]: At program point L265-2(lines 259 292) the Hoare annotation is: true [2020-07-01 10:38:17,023 INFO L268 CegarLoopResult]: For program point L166(lines 166 177) no Hoare annotation was computed. [2020-07-01 10:38:17,024 INFO L268 CegarLoopResult]: For program point L166-1(lines 166 177) no Hoare annotation was computed. [2020-07-01 10:38:17,024 INFO L268 CegarLoopResult]: For program point L356(lines 356 432) no Hoare annotation was computed. [2020-07-01 10:38:17,024 INFO L268 CegarLoopResult]: For program point L348(lines 348 456) no Hoare annotation was computed. [2020-07-01 10:38:17,024 INFO L268 CegarLoopResult]: For program point L282(lines 282 287) no Hoare annotation was computed. [2020-07-01 10:38:17,024 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-07-01 10:38:17,024 INFO L268 CegarLoopResult]: For program point L183(lines 183 185) no Hoare annotation was computed. [2020-07-01 10:38:17,024 INFO L268 CegarLoopResult]: For program point L249-2(line 249) no Hoare annotation was computed. [2020-07-01 10:38:17,025 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-07-01 10:38:17,025 INFO L268 CegarLoopResult]: For program point L183-2(lines 180 185) no Hoare annotation was computed. [2020-07-01 10:38:17,025 INFO L268 CegarLoopResult]: For program point L373(lines 373 381) no Hoare annotation was computed. [2020-07-01 10:38:17,025 INFO L268 CegarLoopResult]: For program point L340(lines 340 480) no Hoare annotation was computed. [2020-07-01 10:38:17,025 INFO L268 CegarLoopResult]: For program point L150-2(line 150) no Hoare annotation was computed. [2020-07-01 10:38:17,025 INFO L268 CegarLoopResult]: For program point L307(lines 307 309) no Hoare annotation was computed. [2020-07-01 10:38:17,025 INFO L268 CegarLoopResult]: For program point L365(lines 365 405) no Hoare annotation was computed. [2020-07-01 10:38:17,026 INFO L268 CegarLoopResult]: For program point L299(lines 299 323) no Hoare annotation was computed. [2020-07-01 10:38:17,026 INFO L271 CegarLoopResult]: At program point L299-2(lines 293 326) the Hoare annotation is: true [2020-07-01 10:38:17,026 INFO L268 CegarLoopResult]: For program point L200(lines 200 211) no Hoare annotation was computed. [2020-07-01 10:38:17,026 INFO L268 CegarLoopResult]: For program point L167(lines 167 176) no Hoare annotation was computed. [2020-07-01 10:38:17,026 INFO L268 CegarLoopResult]: For program point L200-1(lines 200 211) no Hoare annotation was computed. [2020-07-01 10:38:17,026 INFO L268 CegarLoopResult]: For program point L357(lines 357 429) no Hoare annotation was computed. [2020-07-01 10:38:17,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:38:17 BasicIcfg [2020-07-01 10:38:17,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:38:17,037 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:38:17,037 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:38:17,041 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:38:17,042 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:17,042 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:38:15" (1/5) ... [2020-07-01 10:38:17,042 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@418430fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:38:17, skipping insertion in model container [2020-07-01 10:38:17,043 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:17,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:38:15" (2/5) ... [2020-07-01 10:38:17,043 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@418430fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:38:17, skipping insertion in model container [2020-07-01 10:38:17,043 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:17,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:38:16" (3/5) ... [2020-07-01 10:38:17,044 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@418430fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:38:17, skipping insertion in model container [2020-07-01 10:38:17,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:17,044 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:38:16" (4/5) ... [2020-07-01 10:38:17,044 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@418430fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:38:17, skipping insertion in model container [2020-07-01 10:38:17,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:38:17,044 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:38:17" (5/5) ... [2020-07-01 10:38:17,046 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:38:17,073 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:38:17,073 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:38:17,074 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:38:17,074 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:38:17,074 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:38:17,074 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:38:17,074 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:38:17,074 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:38:17,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states. [2020-07-01 10:38:17,108 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2020-07-01 10:38:17,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:38:17,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:38:17,116 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-01 10:38:17,116 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 10:38:17,116 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:38:17,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states. [2020-07-01 10:38:17,124 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2020-07-01 10:38:17,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:38:17,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:38:17,125 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-01 10:38:17,125 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-01 10:38:17,131 INFO L794 eck$LassoCheckResult]: Stem: 101#ULTIMATE.startENTRYtrue [1266] ULTIMATE.startENTRY-->L334: Formula: (and (= 0 v_~p2_new~0_11) (= 0 v_~p2~0_2) (= (- 1) v_~nomsg~0_52) (= 0 v_~p5_old~0_6) (= 0 v_~p1~0_2) (= v_~p3_new~0_11 0) (= 0 v_~p2_old~0_6) (= 0 v_~p6_new~0_11) (= 0 v_ULTIMATE.start_main_~c1~0_7) (= v_~p4_new~0_11 0) (= 0 v_~p6_old~0_6) (= 0 v_~p5~0_2) (= (store (store (store (store (store (store v_~nodes~0.offset_9 0 |#funAddr~node1.offset|) 1 |#funAddr~node2.offset|) 2 |#funAddr~node3.offset|) 3 |#funAddr~node4.offset|) 4 |#funAddr~node5.offset|) 5 |#funAddr~node6.offset|) v_~nodes~0.offset_8) (= 0 v_~p5_new~0_11) (= 0 v_~p1_new~0_11) (= 0 v_~p4~0_2) (= v_~p1_old~0_6 0) (= 0 v_~p4_old~0_6) (= v_~nodes~0.base_8 (store (store (store (store (store (store v_~nodes~0.base_9 0 |#funAddr~node1.base|) 1 |#funAddr~node2.base|) 2 |#funAddr~node3.base|) 3 |#funAddr~node4.base|) 4 |#funAddr~node5.base|) 5 |#funAddr~node6.base|)) (= 0 v_~p3~0_2) (= 0 v_~p3_old~0_6) (= 0 v_~p6~0_2)) InVars {~nodes~0.offset=v_~nodes~0.offset_9, ~nodes~0.base=v_~nodes~0.base_9} OutVars{ULTIMATE.start_main_#t~nondet32=|v_ULTIMATE.start_main_#t~nondet32_6|, ULTIMATE.start_main_#t~nondet34=|v_ULTIMATE.start_main_#t~nondet34_6|, ULTIMATE.start_main_#t~nondet36=|v_ULTIMATE.start_main_#t~nondet36_6|, ULTIMATE.start_main_#t~nondet13=|v_ULTIMATE.start_main_#t~nondet13_6|, ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_4|, ~mode6~0=v_~mode6~0_9, ~p2~0=v_~p2~0_2, ~p6~0=v_~p6~0_2, ~id3~0=v_~id3~0_23, ~alive3~0=v_~alive3~0_9, ~mode2~0=v_~mode2~0_9, ~st5~0=v_~st5~0_10, ULTIMATE.start_main_#t~ret25=|v_ULTIMATE.start_main_#t~ret25_5|, ~r1~0=v_~r1~0_9, ~st1~0=v_~st1~0_10, ULTIMATE.start_main_#t~nondet27=|v_ULTIMATE.start_main_#t~nondet27_6|, ULTIMATE.start_main_#t~nondet29=|v_ULTIMATE.start_main_#t~nondet29_6|, ~send4~0=v_~send4~0_13, ~nodes~0.base=v_~nodes~0.base_8, ~id2~0=v_~id2~0_23, ~nodes~0.offset=v_~nodes~0.offset_8, ULTIMATE.start_main_#t~nondet41=|v_ULTIMATE.start_main_#t~nondet41_6|, ~p1_old~0=v_~p1_old~0_6, ~nomsg~0=v_~nomsg~0_52, ULTIMATE.start_main_#t~ret40=|v_ULTIMATE.start_main_#t~ret40_5|, ULTIMATE.start_main_#t~nondet22=|v_ULTIMATE.start_main_#t~nondet22_6|, ULTIMATE.start_main_#t~nondet24=|v_ULTIMATE.start_main_#t~nondet24_6|, ~alive2~0=v_~alive2~0_9, ULTIMATE.start_main_#t~ret44=|v_ULTIMATE.start_main_#t~ret44_4|, ~p5~0=v_~p5~0_2, ~id6~0=v_~id6~0_23, ~p5_old~0=v_~p5_old~0_6, ~p3_old~0=v_~p3_old~0_6, ~alive6~0=v_~alive6~0_9, ~st4~0=v_~st4~0_10, ~mode3~0=v_~mode3~0_9, ULTIMATE.start_main_#t~ret15=|v_ULTIMATE.start_main_#t~ret15_5|, ~p4_new~0=v_~p4_new~0_11, ~p2_new~0=v_~p2_new~0_11, ~p1~0=v_~p1~0_2, ULTIMATE.start_main_#t~nondet38=|v_ULTIMATE.start_main_#t~nondet38_6|, ULTIMATE.start_main_#t~ret30=|v_ULTIMATE.start_main_#t~ret30_5|, ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_6|, ~send5~0=v_~send5~0_13, ULTIMATE.start_main_#t~nondet19=|v_ULTIMATE.start_main_#t~nondet19_6|, ~send1~0=v_~send1~0_14, ~id1~0=v_~id1~0_23, ULTIMATE.start_main_#t~post45=|v_ULTIMATE.start_main_#t~post45_4|, ULTIMATE.start_main_#t~nondet31=|v_ULTIMATE.start_main_#t~nondet31_6|, ULTIMATE.start_main_#t~nondet33=|v_ULTIMATE.start_main_#t~nondet33_6|, ULTIMATE.start_main_#t~nondet12=|v_ULTIMATE.start_main_#t~nondet12_6|, ULTIMATE.start_main_#t~nondet14=|v_ULTIMATE.start_main_#t~nondet14_6|, ~p6_new~0=v_~p6_new~0_11, ~alive1~0=v_~alive1~0_9, ~id5~0=v_~id5~0_23, ULTIMATE.start_main_~c1~0=v_ULTIMATE.start_main_~c1~0_7, ~p5_new~0=v_~p5_new~0_11, ~p4~0=v_~p4~0_2, ~alive5~0=v_~alive5~0_9, ~st3~0=v_~st3~0_10, ~mode4~0=v_~mode4~0_9, ULTIMATE.start_main_#t~ret20=|v_ULTIMATE.start_main_#t~ret20_5|, ULTIMATE.start_main_#t~nondet26=|v_ULTIMATE.start_main_#t~nondet26_6|, ~send2~0=v_~send2~0_13, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_10, ULTIMATE.start_main_#t~nondet28=|v_ULTIMATE.start_main_#t~nondet28_6|, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_46, ULTIMATE.start_main_#t~nondet42=|v_ULTIMATE.start_main_#t~nondet42_6|, ULTIMATE.start_main_#t~nondet21=|v_ULTIMATE.start_main_#t~nondet21_6|, ~send6~0=v_~send6~0_13, ULTIMATE.start_main_#t~nondet23=|v_ULTIMATE.start_main_#t~nondet23_6|, ULTIMATE.start_main_#t~ret43=|v_ULTIMATE.start_main_#t~ret43_4|, ~mode5~0=v_~mode5~0_9, ~p4_old~0=v_~p4_old~0_6, ~p3~0=v_~p3~0_2, ~p2_old~0=v_~p2_old~0_6, ~id4~0=v_~id4~0_23, ~alive4~0=v_~alive4~0_9, ~mode1~0=v_~mode1~0_9, ~st6~0=v_~st6~0_10, ~p6_old~0=v_~p6_old~0_6, ~p3_new~0=v_~p3_new~0_11, ~p1_new~0=v_~p1_new~0_11, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_5|, ~st2~0=v_~st2~0_10, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_3|, ~send3~0=v_~send3~0_13, ULTIMATE.start_main_#t~nondet37=|v_ULTIMATE.start_main_#t~nondet37_6|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_6|, ULTIMATE.start_main_#t~nondet39=|v_ULTIMATE.start_main_#t~nondet39_6|, ULTIMATE.start_main_#t~nondet18=|v_ULTIMATE.start_main_#t~nondet18_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet32, ULTIMATE.start_main_#t~nondet34, ULTIMATE.start_main_#t~nondet36, ULTIMATE.start_main_#t~nondet13, ULTIMATE.start_init_#res, ~mode6~0, ~p2~0, ~p6~0, ~id3~0, ~alive3~0, ~mode2~0, ~st5~0, ULTIMATE.start_main_#t~ret25, ~r1~0, ~st1~0, ULTIMATE.start_main_#t~nondet27, ULTIMATE.start_main_#t~nondet29, ~send4~0, ~nodes~0.base, ~id2~0, ~nodes~0.offset, ULTIMATE.start_main_#t~nondet41, ~p1_old~0, ~nomsg~0, ULTIMATE.start_main_#t~ret40, ULTIMATE.start_main_#t~nondet22, ULTIMATE.start_main_#t~nondet24, ~alive2~0, ULTIMATE.start_main_#t~ret44, ~p5~0, ~id6~0, ~p5_old~0, ~p3_old~0, ~alive6~0, ~st4~0, ~mode3~0, ULTIMATE.start_main_#t~ret15, ~p4_new~0, ~p2_new~0, ~p1~0, ULTIMATE.start_main_#t~nondet38, ULTIMATE.start_main_#t~ret30, ULTIMATE.start_main_#t~nondet17, ~send5~0, ULTIMATE.start_main_#t~nondet19, ~send1~0, ~id1~0, ULTIMATE.start_main_#t~post45, ULTIMATE.start_main_#t~nondet31, ULTIMATE.start_main_#t~nondet33, ULTIMATE.start_main_#t~nondet12, ULTIMATE.start_main_#t~nondet14, ~p6_new~0, ~alive1~0, ~id5~0, ULTIMATE.start_main_~c1~0, ~p5_new~0, ~p4~0, ~alive5~0, ~st3~0, ~mode4~0, ULTIMATE.start_main_#t~ret20, ULTIMATE.start_main_#t~nondet26, ~send2~0, ULTIMATE.start_main_~i2~0, ULTIMATE.start_main_#t~nondet28, ULTIMATE.start_init_~tmp~0, ULTIMATE.start_main_#t~nondet42, ULTIMATE.start_main_#t~nondet21, ~send6~0, ULTIMATE.start_main_#t~nondet23, ULTIMATE.start_main_#t~ret43, ~mode5~0, ~p4_old~0, ~p3~0, ~p2_old~0, ~id4~0, ~alive4~0, ~mode1~0, ~st6~0, ~p6_old~0, ~p3_new~0, ~p1_new~0, ULTIMATE.start_main_#t~ret35, ~st2~0, ULTIMATE.start_main_#res, ~send3~0, ULTIMATE.start_main_#t~nondet37, ULTIMATE.start_main_#t~nondet16, ULTIMATE.start_main_#t~nondet39, ULTIMATE.start_main_#t~nondet18] 41#L334true [1029] L334-->L334-1: Formula: (and (> 0 v_~r1~0_6) (= v_ULTIMATE.start_init_~tmp~0_44 0)) InVars {~r1~0=v_~r1~0_6} OutVars{ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_44, ~r1~0=v_~r1~0_6} AuxVars[] AssignedVars[ULTIMATE.start_init_~tmp~0] 43#L334-1true [731] L334-1-->L499: Formula: (= |v_ULTIMATE.start_init_#res_2| v_ULTIMATE.start_init_~tmp~0_45) InVars {ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_45} OutVars{ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_2|, ULTIMATE.start_init_~tmp~0=v_ULTIMATE.start_init_~tmp~0_45} AuxVars[] AssignedVars[ULTIMATE.start_init_#res] 49#L499true [1032] L499-->L607-2: Formula: (and (= 0 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|) (= |v_ULTIMATE.start_init_#res_3| v_ULTIMATE.start_main_~i2~0_6) (= v_ULTIMATE.start___VERIFIER_assume_~arg_1 |v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|) (= 0 v_ULTIMATE.start_main_~i2~0_6)) InVars {ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|} OutVars{ULTIMATE.start_init_#res=|v_ULTIMATE.start_init_#res_3|, ULTIMATE.start_main_#t~ret43=|v_ULTIMATE.start_main_#t~ret43_2|, ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_1, ULTIMATE.start_main_~i2~0=v_ULTIMATE.start_main_~i2~0_6, ULTIMATE.start___VERIFIER_assume_#in~arg=|v_ULTIMATE.start___VERIFIER_assume_#in~arg_1|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assume_~arg, ULTIMATE.start_main_#t~ret43, ULTIMATE.start_main_~i2~0, ULTIMATE.start___VERIFIER_assume_#in~arg] 16#L607-2true [2020-07-01 10:38:17,132 INFO L796 eck$LassoCheckResult]: Loop: 16#L607-2true [684] L607-2-->L607-2: Formula: (= 0 v_ULTIMATE.start___VERIFIER_assume_~arg_4) InVars {ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} OutVars{ULTIMATE.start___VERIFIER_assume_~arg=v_ULTIMATE.start___VERIFIER_assume_~arg_4} AuxVars[] AssignedVars[] 16#L607-2true [2020-07-01 10:38:17,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:38:17,138 INFO L82 PathProgramCache]: Analyzing trace with hash 39651489, now seen corresponding path program 1 times [2020-07-01 10:38:17,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:38:17,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424779445] [2020-07-01 10:38:17,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:38:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:17,281 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:38:17,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:38:17,282 INFO L82 PathProgramCache]: Analyzing trace with hash 715, now seen corresponding path program 1 times [2020-07-01 10:38:17,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:38:17,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478069921] [2020-07-01 10:38:17,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:38:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:17,298 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:38:17,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:38:17,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1229196843, now seen corresponding path program 1 times [2020-07-01 10:38:17,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:38:17,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949456235] [2020-07-01 10:38:17,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:38:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:38:17,344 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:38:17,556 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-01 10:38:17,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:38:17 BasicIcfg [2020-07-01 10:38:17,694 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-01 10:38:17,696 INFO L168 Benchmark]: Toolchain (without parser) took 2390.40 ms. Allocated memory was 514.9 MB in the beginning and 590.3 MB in the end (delta: 75.5 MB). Free memory was 435.1 MB in the beginning and 461.9 MB in the end (delta: -26.8 MB). Peak memory consumption was 48.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:17,696 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 455.9 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:38:17,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.03 ms. Allocated memory was 514.9 MB in the beginning and 562.0 MB in the end (delta: 47.2 MB). Free memory was 434.4 MB in the beginning and 519.6 MB in the end (delta: -85.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:17,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.75 ms. Allocated memory is still 562.0 MB. Free memory was 519.6 MB in the beginning and 515.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:17,698 INFO L168 Benchmark]: Boogie Preprocessor took 44.30 ms. Allocated memory is still 562.0 MB. Free memory was 515.3 MB in the beginning and 511.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:17,699 INFO L168 Benchmark]: RCFGBuilder took 742.10 ms. Allocated memory is still 562.0 MB. Free memory was 511.9 MB in the beginning and 447.9 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:17,699 INFO L168 Benchmark]: BlockEncodingV2 took 200.73 ms. Allocated memory is still 562.0 MB. Free memory was 447.9 MB in the beginning and 419.1 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:17,700 INFO L168 Benchmark]: TraceAbstraction took 218.10 ms. Allocated memory was 562.0 MB in the beginning and 590.3 MB in the end (delta: 28.3 MB). Free memory was 418.2 MB in the beginning and 546.8 MB in the end (delta: -128.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:17,701 INFO L168 Benchmark]: BuchiAutomizer took 656.52 ms. Allocated memory is still 590.3 MB. Free memory was 546.8 MB in the beginning and 461.9 MB in the end (delta: 84.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 50.3 GB. [2020-07-01 10:38:17,705 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 143 locations, 245 edges - StatisticsResult: Encoded RCFG 138 locations, 364 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 455.9 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 461.03 ms. Allocated memory was 514.9 MB in the beginning and 562.0 MB in the end (delta: 47.2 MB). Free memory was 434.4 MB in the beginning and 519.6 MB in the end (delta: -85.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 61.75 ms. Allocated memory is still 562.0 MB. Free memory was 519.6 MB in the beginning and 515.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 44.30 ms. Allocated memory is still 562.0 MB. Free memory was 515.3 MB in the beginning and 511.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 50.3 GB. * RCFGBuilder took 742.10 ms. Allocated memory is still 562.0 MB. Free memory was 511.9 MB in the beginning and 447.9 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 200.73 ms. Allocated memory is still 562.0 MB. Free memory was 447.9 MB in the beginning and 419.1 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. * TraceAbstraction took 218.10 ms. Allocated memory was 562.0 MB in the beginning and 590.3 MB in the end (delta: 28.3 MB). Free memory was 418.2 MB in the beginning and 546.8 MB in the end (delta: -128.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 656.52 ms. Allocated memory is still 590.3 MB. Free memory was 546.8 MB in the beginning and 461.9 MB in the end (delta: 84.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 10 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 607]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5969dba5=0, send1=0, p6_new=0, alive4=0, alive2=0, send3=0, alive6=0, p5=0, id5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47ebc863=0, p2_new=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57882c7b=0, mode1=0, id3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fb72adf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@398747cd=0, p1=0, id1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@768ccffa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cba8bae=0, mode5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26d21a8e=0, p3=0, mode3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c0e1330=0, st4=0, tmp=0, st2=0, st6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12e956b2=0, p3_new=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27c2d49e=0, p4_old=0, p1_old=0, send5=0, arg=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48d8b130=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e0e3e72=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22fd9a21=0, p2_old=0, p1_new=0, alive3=0, r1=-1, \result=0, alive1=0, send2=0, alive5=0, p4_new=0, \old(arg)=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@218fe11a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17c0ccef=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@202f7bcc=0, p5_old=0, mode2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10707ed=0, id6=0, p4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@604fbe1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@169409c4=0, p6=0, id4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15c258d4=0, mode6=0, id2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b1bec47=0, mode4=0, p2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@584bcfc8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a2df67f=0, st3=0, st1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73c40622=0, st5=0, p3_old=0, p5_new=0, i2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2036384e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@364b23c7=0, c1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d797014=0, send4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1db54da6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2aa3ff72=0, send6=0, nomsg=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@615a1f19=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c0603=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a690e2=0, p6_old=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12c32c90=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 607]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L70] msg_t nomsg = (msg_t )-1; [L71] char r1 ; [L72] port_t p1 ; [L73] char p1_old ; [L74] char p1_new ; [L75] char id1 ; [L76] char st1 ; [L77] msg_t send1 ; [L78] _Bool mode1 ; [L79] _Bool alive1 ; [L80] port_t p2 ; [L81] char p2_old ; [L82] char p2_new ; [L83] char id2 ; [L84] char st2 ; [L85] msg_t send2 ; [L86] _Bool mode2 ; [L87] _Bool alive2 ; [L88] port_t p3 ; [L89] char p3_old ; [L90] char p3_new ; [L91] char id3 ; [L92] char st3 ; [L93] msg_t send3 ; [L94] _Bool mode3 ; [L95] _Bool alive3 ; [L96] port_t p4 ; [L97] char p4_old ; [L98] char p4_new ; [L99] char id4 ; [L100] char st4 ; [L101] msg_t send4 ; [L102] _Bool mode4 ; [L103] _Bool alive4 ; [L104] port_t p5 ; [L105] char p5_old ; [L106] char p5_new ; [L107] char id5 ; [L108] char st5 ; [L109] msg_t send5 ; [L110] _Bool mode5 ; [L111] _Bool alive5 ; [L112] port_t p6 ; [L113] char p6_old ; [L114] char p6_new ; [L115] char id6 ; [L116] char st6 ; [L117] msg_t send6 ; [L118] _Bool mode6 ; [L119] _Bool alive6 ; [L327-L328] void (*nodes[6])(void) = { & node1, & node2, & node3, & node4, & node5, & node6}; [L524] int c1 ; [L525] int i2 ; [L528] c1 = 0 [L529] r1 = __VERIFIER_nondet_char() [L530] id1 = __VERIFIER_nondet_char() [L531] st1 = __VERIFIER_nondet_char() [L532] send1 = __VERIFIER_nondet_msg_t() [L533] mode1 = __VERIFIER_nondet__Bool() [L534] alive1 = __VERIFIER_nondet__Bool() [L535] id2 = __VERIFIER_nondet_char() [L536] st2 = __VERIFIER_nondet_char() [L537] send2 = __VERIFIER_nondet_msg_t() [L538] mode2 = __VERIFIER_nondet__Bool() [L539] alive2 = __VERIFIER_nondet__Bool() [L540] id3 = __VERIFIER_nondet_char() [L541] st3 = __VERIFIER_nondet_char() [L542] send3 = __VERIFIER_nondet_msg_t() [L543] mode3 = __VERIFIER_nondet__Bool() [L544] alive3 = __VERIFIER_nondet__Bool() [L545] id4 = __VERIFIER_nondet_char() [L546] st4 = __VERIFIER_nondet_char() [L547] send4 = __VERIFIER_nondet_msg_t() [L548] mode4 = __VERIFIER_nondet__Bool() [L549] alive4 = __VERIFIER_nondet__Bool() [L550] id5 = __VERIFIER_nondet_char() [L551] st5 = __VERIFIER_nondet_char() [L552] send5 = __VERIFIER_nondet_msg_t() [L553] mode5 = __VERIFIER_nondet__Bool() [L554] alive5 = __VERIFIER_nondet__Bool() [L555] id6 = __VERIFIER_nondet_char() [L556] st6 = __VERIFIER_nondet_char() [L557] send6 = __VERIFIER_nondet_msg_t() [L558] mode6 = __VERIFIER_nondet__Bool() [L559] alive6 = __VERIFIER_nondet__Bool() [L331] int tmp ; [L334] COND FALSE !((int )r1 == 0) [L497] tmp = 0 [L499] return (tmp); [L560] i2 = init() Loop: [L607] COND TRUE ! arg End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-07-01 10:38:12.081 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp/BenchExec_run_b_c1dv/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:38:17.958 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check