/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- Ultimate: Cannot open display: This is Ultimate 0.1.25-34f2e62 [2020-07-01 10:40:55,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-01 10:40:55,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-01 10:40:55,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-01 10:40:55,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-01 10:40:55,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-01 10:40:55,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-01 10:40:55,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-01 10:40:55,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-01 10:40:55,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-01 10:40:55,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-01 10:40:55,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-01 10:40:55,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-01 10:40:55,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-01 10:40:55,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-01 10:40:55,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-01 10:40:55,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-01 10:40:55,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-01 10:40:55,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-01 10:40:55,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-01 10:40:55,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-01 10:40:55,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-01 10:40:55,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-01 10:40:55,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-01 10:40:55,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-01 10:40:55,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-01 10:40:55,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-01 10:40:55,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-01 10:40:55,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-01 10:40:55,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-01 10:40:55,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-01 10:40:55,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-01 10:40:55,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-01 10:40:55,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-01 10:40:55,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-01 10:40:55,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-01 10:40:55,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-01 10:40:55,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-01 10:40:55,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-01 10:40:55,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-01 10:40:55,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-01 10:40:55,821 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-07-01 10:40:55,835 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-01 10:40:55,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-01 10:40:55,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-01 10:40:55,837 INFO L138 SettingsManager]: * Rewrite not-equals=true [2020-07-01 10:40:55,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-01 10:40:55,837 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:40:55,837 INFO L138 SettingsManager]: * Use SBE=true [2020-07-01 10:40:55,837 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-01 10:40:55,838 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-01 10:40:55,838 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-01 10:40:55,838 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-07-01 10:40:55,838 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-01 10:40:55,838 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-01 10:40:55,838 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2020-07-01 10:40:55,839 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-07-01 10:40:55,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-01 10:40:55,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-01 10:40:55,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-01 10:40:55,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-01 10:40:55,839 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-01 10:40:55,840 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-07-01 10:40:55,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-01 10:40:55,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-01 10:40:55,840 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-01 10:40:55,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-07-01 10:40:55,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-01 10:40:55,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-01 10:40:55,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-01 10:40:55,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-01 10:40:56,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-01 10:40:56,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-01 10:40:56,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-01 10:40:56,045 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-01 10:40:56,045 INFO L275 PluginConnector]: CDTParser initialized [2020-07-01 10:40:56,046 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:40:56,110 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_aF5YOR/tmp/92422c396bcf4b2dacd4763acd6acc58/FLAG13d87083b [2020-07-01 10:40:56,525 INFO L306 CDTParser]: Found 1 translation units. [2020-07-01 10:40:56,526 INFO L160 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-07-01 10:40:56,537 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/BenchExec_run_aF5YOR/tmp/92422c396bcf4b2dacd4763acd6acc58/FLAG13d87083b [2020-07-01 10:40:56,854 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/BenchExec_run_aF5YOR/tmp/92422c396bcf4b2dacd4763acd6acc58 [2020-07-01 10:40:56,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-01 10:40:56,866 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-07-01 10:40:56,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-01 10:40:56,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-01 10:40:56,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-01 10:40:56,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:40:56" (1/1) ... [2020-07-01 10:40:56,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b83ba35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:56, skipping insertion in model container [2020-07-01 10:40:56,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.07 10:40:56" (1/1) ... [2020-07-01 10:40:56,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-01 10:40:56,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-01 10:40:57,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:40:57,339 INFO L203 MainTranslator]: Completed pre-run [2020-07-01 10:40:57,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-01 10:40:57,464 INFO L208 MainTranslator]: Completed translation [2020-07-01 10:40:57,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57 WrapperNode [2020-07-01 10:40:57,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-01 10:40:57,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-01 10:40:57,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-01 10:40:57,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-01 10:40:57,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57" (1/1) ... [2020-07-01 10:40:57,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57" (1/1) ... [2020-07-01 10:40:57,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-01 10:40:57,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-01 10:40:57,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-01 10:40:57,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-01 10:40:57,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57" (1/1) ... [2020-07-01 10:40:57,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57" (1/1) ... [2020-07-01 10:40:57,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57" (1/1) ... [2020-07-01 10:40:57,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57" (1/1) ... [2020-07-01 10:40:57,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57" (1/1) ... [2020-07-01 10:40:57,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57" (1/1) ... [2020-07-01 10:40:57,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57" (1/1) ... [2020-07-01 10:40:57,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-01 10:40:57,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-01 10:40:57,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-01 10:40:57,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-01 10:40:57,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57" (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 10:40:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-01 10:40:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-01 10:40:58,778 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-01 10:40:58,779 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-01 10:40:58,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:40:58 BoogieIcfgContainer [2020-07-01 10:40:58,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-01 10:40:58,785 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-07-01 10:40:58,785 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-07-01 10:40:58,788 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2020-07-01 10:40:58,788 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:40:58" (1/1) ... [2020-07-01 10:40:58,816 INFO L313 BlockEncoder]: Initial Icfg 197 locations, 326 edges [2020-07-01 10:40:58,818 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-07-01 10:40:58,819 INFO L263 BlockEncoder]: Using Maximize final states [2020-07-01 10:40:58,819 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-07-01 10:40:58,820 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-07-01 10:40:58,822 INFO L296 BlockEncoder]: Using Remove sink states [2020-07-01 10:40:58,822 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-07-01 10:40:58,823 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-07-01 10:40:58,897 INFO L185 BlockEncoder]: Using Use SBE [2020-07-01 10:40:58,912 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-07-01 10:40:59,155 INFO L200 BlockEncoder]: SBE split 247 edges [2020-07-01 10:40:59,186 INFO L70 emoveInfeasibleEdges]: Removed 63 edges and 0 locations because of local infeasibility [2020-07-01 10:40:59,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:40:59,209 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-07-01 10:40:59,214 INFO L70 RemoveSinkStates]: Removed 256 edges and 63 locations by removing sink states [2020-07-01 10:40:59,238 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-07-01 10:40:59,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-07-01 10:40:59,241 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-07-01 10:40:59,242 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-07-01 10:40:59,267 INFO L313 BlockEncoder]: Encoded RCFG 132 locations, 3095 edges [2020-07-01 10:40:59,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:40:59 BasicIcfg [2020-07-01 10:40:59,270 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-07-01 10:40:59,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-01 10:40:59,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-01 10:40:59,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-01 10:40:59,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.07 10:40:56" (1/4) ... [2020-07-01 10:40:59,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@baf3b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:40:59, skipping insertion in model container [2020-07-01 10:40:59,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57" (2/4) ... [2020-07-01 10:40:59,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@baf3b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.07 10:40:59, skipping insertion in model container [2020-07-01 10:40:59,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:40:58" (3/4) ... [2020-07-01 10:40:59,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@baf3b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:40:59, skipping insertion in model container [2020-07-01 10:40:59,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:40:59" (4/4) ... [2020-07-01 10:40:59,281 INFO L109 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:40:59,297 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-07-01 10:40:59,307 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-01 10:40:59,322 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-01 10:40:59,350 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-01 10:40:59,351 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-01 10:40:59,351 INFO L377 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:40:59,351 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:40:59,351 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:40:59,351 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-01 10:40:59,351 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:40:59,351 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-01 10:40:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-07-01 10:40:59,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-01 10:40:59,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 132 states. [2020-07-01 10:40:59,467 INFO L268 CegarLoopResult]: For program point L217(lines 217 389) no Hoare annotation was computed. [2020-07-01 10:40:59,467 INFO L268 CegarLoopResult]: For program point L151(lines 151 389) no Hoare annotation was computed. [2020-07-01 10:40:59,467 INFO L268 CegarLoopResult]: For program point L118(lines 118 389) no Hoare annotation was computed. [2020-07-01 10:40:59,468 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,468 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,468 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,468 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,468 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,468 INFO L268 CegarLoopResult]: For program point L399-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,469 INFO L268 CegarLoopResult]: For program point L267(lines 267 389) no Hoare annotation was computed. [2020-07-01 10:40:59,469 INFO L268 CegarLoopResult]: For program point L135(lines 135 389) no Hoare annotation was computed. [2020-07-01 10:40:59,469 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-01 10:40:59,469 INFO L268 CegarLoopResult]: For program point L317(lines 317 389) no Hoare annotation was computed. [2020-07-01 10:40:59,469 INFO L268 CegarLoopResult]: For program point L185(lines 185 389) no Hoare annotation was computed. [2020-07-01 10:40:59,469 INFO L268 CegarLoopResult]: For program point L53(lines 53 389) no Hoare annotation was computed. [2020-07-01 10:40:59,470 INFO L268 CegarLoopResult]: For program point L202(lines 202 389) no Hoare annotation was computed. [2020-07-01 10:40:59,471 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 592) the Hoare annotation is: true [2020-07-01 10:40:59,471 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,471 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,471 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,471 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,471 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,472 INFO L268 CegarLoopResult]: For program point L285(lines 285 389) no Hoare annotation was computed. [2020-07-01 10:40:59,472 INFO L268 CegarLoopResult]: For program point L71(lines 71 389) no Hoare annotation was computed. [2020-07-01 10:40:59,472 INFO L268 CegarLoopResult]: For program point L352(lines 352 389) no Hoare annotation was computed. [2020-07-01 10:40:59,472 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,472 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,472 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,472 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,473 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,473 INFO L268 CegarLoopResult]: For program point L402-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,473 INFO L268 CegarLoopResult]: For program point L336(lines 336 389) no Hoare annotation was computed. [2020-07-01 10:40:59,473 INFO L268 CegarLoopResult]: For program point L237(lines 237 389) no Hoare annotation was computed. [2020-07-01 10:40:59,473 INFO L268 CegarLoopResult]: For program point L188(lines 188 389) no Hoare annotation was computed. [2020-07-01 10:40:59,473 INFO L268 CegarLoopResult]: For program point L172(lines 172 389) no Hoare annotation was computed. [2020-07-01 10:40:59,473 INFO L268 CegarLoopResult]: For program point L139(lines 139 389) no Hoare annotation was computed. [2020-07-01 10:40:59,474 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,474 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,474 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,474 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,474 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,474 INFO L268 CegarLoopResult]: For program point L354(lines 354 389) no Hoare annotation was computed. [2020-07-01 10:40:59,474 INFO L268 CegarLoopResult]: For program point L255(lines 255 389) no Hoare annotation was computed. [2020-07-01 10:40:59,475 INFO L268 CegarLoopResult]: For program point L222(lines 222 389) no Hoare annotation was computed. [2020-07-01 10:40:59,475 INFO L268 CegarLoopResult]: For program point L123(lines 123 389) no Hoare annotation was computed. [2020-07-01 10:40:59,475 INFO L268 CegarLoopResult]: For program point L371(lines 371 389) no Hoare annotation was computed. [2020-07-01 10:40:59,475 INFO L268 CegarLoopResult]: For program point L305(lines 305 389) no Hoare annotation was computed. [2020-07-01 10:40:59,475 INFO L268 CegarLoopResult]: For program point L272(lines 272 389) no Hoare annotation was computed. [2020-07-01 10:40:59,475 INFO L268 CegarLoopResult]: For program point L107(lines 107 389) no Hoare annotation was computed. [2020-07-01 10:40:59,475 INFO L268 CegarLoopResult]: For program point L91(lines 91 389) no Hoare annotation was computed. [2020-07-01 10:40:59,475 INFO L268 CegarLoopResult]: For program point L570-1(lines 570 572) no Hoare annotation was computed. [2020-07-01 10:40:59,476 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,476 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,476 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,476 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,476 INFO L268 CegarLoopResult]: For program point L405-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,476 INFO L268 CegarLoopResult]: For program point L207(lines 207 389) no Hoare annotation was computed. [2020-07-01 10:40:59,477 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-01 10:40:59,477 INFO L268 CegarLoopResult]: For program point L42(lines 42 389) no Hoare annotation was computed. [2020-07-01 10:40:59,477 INFO L268 CegarLoopResult]: For program point L323(lines 323 389) no Hoare annotation was computed. [2020-07-01 10:40:59,477 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,477 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,477 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,477 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,478 INFO L268 CegarLoopResult]: For program point L390(lines 390 392) no Hoare annotation was computed. [2020-07-01 10:40:59,478 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,478 INFO L268 CegarLoopResult]: For program point L390-2(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,478 INFO L268 CegarLoopResult]: For program point L291(lines 291 389) no Hoare annotation was computed. [2020-07-01 10:40:59,478 INFO L268 CegarLoopResult]: For program point L159(lines 159 389) no Hoare annotation was computed. [2020-07-01 10:40:59,478 INFO L268 CegarLoopResult]: For program point L143(lines 143 389) no Hoare annotation was computed. [2020-07-01 10:40:59,478 INFO L268 CegarLoopResult]: For program point L193(lines 193 389) no Hoare annotation was computed. [2020-07-01 10:40:59,479 INFO L271 CegarLoopResult]: At program point L573(lines 29 574) the Hoare annotation is: true [2020-07-01 10:40:59,479 INFO L268 CegarLoopResult]: For program point L61(lines 61 389) no Hoare annotation was computed. [2020-07-01 10:40:59,479 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,479 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,479 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,479 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,479 INFO L268 CegarLoopResult]: For program point L408-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,480 INFO L268 CegarLoopResult]: For program point L177(lines 177 389) no Hoare annotation was computed. [2020-07-01 10:40:59,480 INFO L268 CegarLoopResult]: For program point L260(lines 260 389) no Hoare annotation was computed. [2020-07-01 10:40:59,480 INFO L268 CegarLoopResult]: For program point L128(lines 128 389) no Hoare annotation was computed. [2020-07-01 10:40:59,480 INFO L268 CegarLoopResult]: For program point L376(lines 376 389) no Hoare annotation was computed. [2020-07-01 10:40:59,480 INFO L268 CegarLoopResult]: For program point L277(lines 277 389) no Hoare annotation was computed. [2020-07-01 10:40:59,480 INFO L268 CegarLoopResult]: For program point L244(lines 244 389) no Hoare annotation was computed. [2020-07-01 10:40:59,480 INFO L268 CegarLoopResult]: For program point L79(lines 79 389) no Hoare annotation was computed. [2020-07-01 10:40:59,481 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,481 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,481 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,481 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,481 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,481 INFO L268 CegarLoopResult]: For program point L360(lines 360 389) no Hoare annotation was computed. [2020-07-01 10:40:59,481 INFO L268 CegarLoopResult]: For program point L393-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,482 INFO L268 CegarLoopResult]: For program point L96(lines 96 389) no Hoare annotation was computed. [2020-07-01 10:40:59,482 INFO L268 CegarLoopResult]: For program point L30(lines 30 389) no Hoare annotation was computed. [2020-07-01 10:40:59,482 INFO L268 CegarLoopResult]: For program point L344(lines 344 389) no Hoare annotation was computed. [2020-07-01 10:40:59,482 INFO L268 CegarLoopResult]: For program point L311(lines 311 389) no Hoare annotation was computed. [2020-07-01 10:40:59,482 INFO L268 CegarLoopResult]: For program point L113(lines 113 389) no Hoare annotation was computed. [2020-07-01 10:40:59,482 INFO L268 CegarLoopResult]: For program point L328(lines 328 389) no Hoare annotation was computed. [2020-07-01 10:40:59,482 INFO L268 CegarLoopResult]: For program point L196(lines 196 389) no Hoare annotation was computed. [2020-07-01 10:40:59,482 INFO L268 CegarLoopResult]: For program point L64(lines 64 389) no Hoare annotation was computed. [2020-07-01 10:40:59,483 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,483 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,483 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,483 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,483 INFO L268 CegarLoopResult]: For program point L411-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,483 INFO L268 CegarLoopResult]: For program point L213(lines 213 389) no Hoare annotation was computed. [2020-07-01 10:40:59,483 INFO L268 CegarLoopResult]: For program point L147(lines 147 389) no Hoare annotation was computed. [2020-07-01 10:40:59,484 INFO L268 CegarLoopResult]: For program point L48(lines 48 389) no Hoare annotation was computed. [2020-07-01 10:40:59,484 INFO L268 CegarLoopResult]: For program point L362(lines 362 389) no Hoare annotation was computed. [2020-07-01 10:40:59,484 INFO L268 CegarLoopResult]: For program point L230(lines 230 389) no Hoare annotation was computed. [2020-07-01 10:40:59,484 INFO L268 CegarLoopResult]: For program point L164(lines 164 389) no Hoare annotation was computed. [2020-07-01 10:40:59,484 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,484 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,484 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,484 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,485 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,485 INFO L268 CegarLoopResult]: For program point L396-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,485 INFO L268 CegarLoopResult]: For program point L264(lines 264 389) no Hoare annotation was computed. [2020-07-01 10:40:59,485 INFO L268 CegarLoopResult]: For program point L83(lines 83 389) no Hoare annotation was computed. [2020-07-01 10:40:59,485 INFO L268 CegarLoopResult]: For program point L364(lines 364 389) no Hoare annotation was computed. [2020-07-01 10:40:59,485 INFO L268 CegarLoopResult]: For program point L298(lines 298 389) no Hoare annotation was computed. [2020-07-01 10:40:59,485 INFO L268 CegarLoopResult]: For program point L34(lines 34 389) no Hoare annotation was computed. [2020-07-01 10:40:59,485 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,486 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,486 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,486 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,486 INFO L268 CegarLoopResult]: For program point L381(lines 381 389) no Hoare annotation was computed. [2020-07-01 10:40:59,486 INFO L268 CegarLoopResult]: For program point L414-1(lines 29 574) no Hoare annotation was computed. [2020-07-01 10:40:59,486 INFO L268 CegarLoopResult]: For program point L315(lines 315 389) no Hoare annotation was computed. [2020-07-01 10:40:59,486 INFO L268 CegarLoopResult]: For program point L249(lines 249 389) no Hoare annotation was computed. [2020-07-01 10:40:59,486 INFO L268 CegarLoopResult]: For program point L332(lines 332 389) no Hoare annotation was computed. [2020-07-01 10:40:59,487 INFO L268 CegarLoopResult]: For program point L101(lines 101 389) no Hoare annotation was computed. [2020-07-01 10:40:59,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:40:59 BasicIcfg [2020-07-01 10:40:59,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-01 10:40:59,501 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-01 10:40:59,501 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-01 10:40:59,505 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-01 10:40:59,506 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:40:59,506 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.07 10:40:56" (1/5) ... [2020-07-01 10:40:59,507 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bffca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:40:59, skipping insertion in model container [2020-07-01 10:40:59,507 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:40:59,507 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.07 10:40:57" (2/5) ... [2020-07-01 10:40:59,508 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bffca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.07 10:40:59, skipping insertion in model container [2020-07-01 10:40:59,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:40:59,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.07 10:40:58" (3/5) ... [2020-07-01 10:40:59,508 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bffca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:40:59, skipping insertion in model container [2020-07-01 10:40:59,509 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:40:59,510 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 01.07 10:40:59" (4/5) ... [2020-07-01 10:40:59,510 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bffca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.07 10:40:59, skipping insertion in model container [2020-07-01 10:40:59,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-01 10:40:59,510 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.07 10:40:59" (5/5) ... [2020-07-01 10:40:59,512 INFO L371 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-07-01 10:40:59,541 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-01 10:40:59,541 INFO L357 BuchiCegarLoop]: Hoare is true [2020-07-01 10:40:59,542 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-01 10:40:59,542 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-01 10:40:59,542 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-01 10:40:59,542 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-01 10:40:59,542 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-01 10:40:59,542 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-01 10:40:59,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2020-07-01 10:40:59,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 131 [2020-07-01 10:40:59,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:40:59,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:40:59,632 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:40:59,632 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 10:40:59,632 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-01 10:40:59,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2020-07-01 10:40:59,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 131 [2020-07-01 10:40:59,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-01 10:40:59,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-01 10:40:59,655 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-01 10:40:59,655 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-01 10:40:59,664 INFO L794 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRYtrue [4752] ULTIMATE.startENTRY-->L582-2: Formula: (and (= 3 v_~c~0_2) (= 25 v_~y~0_2) (= 4 v_~d~0_2) (= 1 v_~a17~0_302) (= 1 v_~a~0_2) (= 21 v_~u~0_2) (= 5 v_~e~0_2) (= 0 v_~a7~0_291) (= 23 v_~w~0_2) (= 1 v_~a21~0_274) (= 8 v_~a12~0_256) (= 24 v_~x~0_2) (= 1 v_~a20~0_297) (= 2 v_~b~0_2) (= (- 1) v_ULTIMATE.start_main_~output~0_5) (= 15 v_~a8~0_294) (= 22 v_~v~0_2) (= 5 v_~a16~0_305) (= 6 v_~f~0_2) (= 26 v_~z~0_2)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_4|, ~a20~0=v_~a20~0_297, ~a21~0=v_~a21~0_274, ~a17~0=v_~a17~0_302, ~a16~0=v_~a16~0_305, ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_6, ~a12~0=v_~a12~0_256, ~a8~0=v_~a8~0_294, ~a7~0=v_~a7~0_291, ~v~0=v_~v~0_2, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_4|, ~w~0=v_~w~0_2, ~a~0=v_~a~0_2, ~c~0=v_~c~0_2, ~b~0=v_~b~0_2, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_4|, ~e~0=v_~e~0_2, ~d~0=v_~d~0_2, ~f~0=v_~f~0_2, ULTIMATE.start_main_~output~0=v_ULTIMATE.start_main_~output~0_5, ~z~0=v_~z~0_2, ~y~0=v_~y~0_2, ~x~0=v_~x~0_2, ~u~0=v_~u~0_2} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ~a20~0, ~a21~0, ~a17~0, ~a16~0, ULTIMATE.start_main_~input~0, ~a12~0, ~a8~0, ~a7~0, ~v~0, ULTIMATE.start_main_#t~ret2, ~w~0, ~a~0, ~c~0, ~b~0, ULTIMATE.start_main_#res, ~e~0, ~d~0, ~f~0, ULTIMATE.start_main_~output~0, ~z~0, ~y~0, ~x~0, ~u~0] 17#L582-2true [2020-07-01 10:40:59,664 INFO L796 eck$LassoCheckResult]: Loop: 17#L582-2true [856] L582-2-->L587: Formula: (= v_ULTIMATE.start_main_~input~0_2 |v_ULTIMATE.start_main_#t~nondet1_3|) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_3|} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|, ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_2} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~input~0] 55#L587true [1415] L587-->L30: Formula: (and (= |v_ULTIMATE.start_calculate_output_#in~input_1| v_ULTIMATE.start_main_~input~0_5) (= v_ULTIMATE.start_calculate_output_~input_1 |v_ULTIMATE.start_calculate_output_#in~input_1|) (= v_ULTIMATE.start_main_~input~0_5 2)) InVars {ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_5} OutVars{ULTIMATE.start_main_~input~0=v_ULTIMATE.start_main_~input~0_5, ULTIMATE.start_calculate_output_#res=|v_ULTIMATE.start_calculate_output_#res_1|, ULTIMATE.start_calculate_output_~input=v_ULTIMATE.start_calculate_output_~input_1, ULTIMATE.start_calculate_output_#in~input=|v_ULTIMATE.start_calculate_output_#in~input_1|} AuxVars[] AssignedVars[ULTIMATE.start_calculate_output_#res, ULTIMATE.start_calculate_output_~input, ULTIMATE.start_calculate_output_#in~input] 90#L30true [1485] L30-->L573: Formula: (and (= 1 v_~a17~0_7) (= 1 v_~a20~0_8) (= v_~a20~0_7 0) (= 8 v_~a12~0_7) (> v_~a7~0_7 1) (= v_~a8~0_7 15) (= |v_ULTIMATE.start_calculate_output_#res_2| 24) (= 1 v_~a21~0_7) (= 1 v_ULTIMATE.start_calculate_output_~input_3) (= v_~a16~0_7 5) (= 5 v_~a16~0_8)) InVars {~a20~0=v_~a20~0_8, ~a17~0=v_~a17~0_7, ~a21~0=v_~a21~0_7, ~a16~0=v_~a16~0_8, ULTIMATE.start_calculate_output_~input=v_ULTIMATE.start_calculate_output_~input_3, ~a12~0=v_~a12~0_7, ~a8~0=v_~a8~0_7, ~a7~0=v_~a7~0_7} OutVars{~a20~0=v_~a20~0_7, ~a17~0=v_~a17~0_7, ~a21~0=v_~a21~0_7, ~a16~0=v_~a16~0_7, ULTIMATE.start_calculate_output_#res=|v_ULTIMATE.start_calculate_output_#res_2|, ULTIMATE.start_calculate_output_~input=v_ULTIMATE.start_calculate_output_~input_3, ~a12~0=v_~a12~0_7, ~a8~0=v_~a8~0_7, ~a7~0=v_~a7~0_7} AuxVars[] AssignedVars[~a20~0, ~a16~0, ULTIMATE.start_calculate_output_#res] 63#L573true [1068] L573-->L582-2: Formula: (= v_ULTIMATE.start_main_~output~0_4 |v_ULTIMATE.start_calculate_output_#res_65|) InVars {ULTIMATE.start_calculate_output_#res=|v_ULTIMATE.start_calculate_output_#res_65|} OutVars{ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_2|, ULTIMATE.start_main_~output~0=v_ULTIMATE.start_main_~output~0_4, ULTIMATE.start_calculate_output_#res=|v_ULTIMATE.start_calculate_output_#res_65|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_~output~0] 17#L582-2true [2020-07-01 10:40:59,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:40:59,675 INFO L82 PathProgramCache]: Analyzing trace with hash 4783, now seen corresponding path program 1 times [2020-07-01 10:40:59,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:40:59,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998290040] [2020-07-01 10:40:59,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:40:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:40:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-01 10:40:59,774 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-01 10:40:59,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-01 10:40:59,775 INFO L82 PathProgramCache]: Analyzing trace with hash 27831535, now seen corresponding path program 1 times [2020-07-01 10:40:59,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-01 10:40:59,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462686492] [2020-07-01 10:40:59,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-01 10:40:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-01 10:40:59,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-01 10:40:59,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462686492] [2020-07-01 10:40:59,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-01 10:40:59,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-01 10:40:59,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122465277] [2020-07-01 10:40:59,844 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-01 10:40:59,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-01 10:40:59,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-01 10:40:59,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-01 10:40:59,870 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 3 states. [2020-07-01 10:41:06,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-01 10:41:06,938 INFO L93 Difference]: Finished difference Result 263 states and 5202 transitions. [2020-07-01 10:41:06,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-01 10:41:06,941 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: unknown kind of automaton at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) at de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.toString(AutomatonDefinitionPrinter.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.TermcompProofBenchmark.reportFiniteModule(TermcompProofBenchmark.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineFinite(BuchiCegarLoop.java:978) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-01 10:41:06,947 INFO L168 Benchmark]: Toolchain (without parser) took 10080.11 ms. Allocated memory was 649.6 MB in the beginning and 888.1 MB in the end (delta: 238.6 MB). Free memory was 553.6 MB in the beginning and 550.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 241.8 MB. Max. memory is 50.3 GB. [2020-07-01 10:41:06,948 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-07-01 10:41:06,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.15 ms. Allocated memory was 649.6 MB in the beginning and 694.2 MB in the end (delta: 44.6 MB). Free memory was 553.6 MB in the beginning and 622.8 MB in the end (delta: -69.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:41:06,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.68 ms. Allocated memory is still 694.2 MB. Free memory was 622.8 MB in the beginning and 613.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 50.3 GB. [2020-07-01 10:41:06,950 INFO L168 Benchmark]: Boogie Preprocessor took 59.88 ms. Allocated memory is still 694.2 MB. Free memory was 613.6 MB in the beginning and 606.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. [2020-07-01 10:41:06,950 INFO L168 Benchmark]: RCFGBuilder took 1170.46 ms. Allocated memory is still 694.2 MB. Free memory was 605.5 MB in the beginning and 474.0 MB in the end (delta: 131.5 MB). Peak memory consumption was 131.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:41:06,951 INFO L168 Benchmark]: BlockEncodingV2 took 484.77 ms. Allocated memory was 694.2 MB in the beginning and 773.8 MB in the end (delta: 79.7 MB). Free memory was 474.0 MB in the beginning and 673.1 MB in the end (delta: -199.1 MB). Peak memory consumption was 99.5 MB. Max. memory is 50.3 GB. [2020-07-01 10:41:06,952 INFO L168 Benchmark]: TraceAbstraction took 228.79 ms. Allocated memory is still 773.8 MB. Free memory was 673.1 MB in the beginning and 648.9 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 50.3 GB. [2020-07-01 10:41:06,952 INFO L168 Benchmark]: BuchiAutomizer took 7443.98 ms. Allocated memory was 773.8 MB in the beginning and 888.1 MB in the end (delta: 114.3 MB). Free memory was 648.9 MB in the beginning and 550.3 MB in the end (delta: 98.6 MB). Peak memory consumption was 212.9 MB. Max. memory is 50.3 GB. [2020-07-01 10:41:06,957 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 197 locations, 326 edges - StatisticsResult: Encoded RCFG 132 locations, 3095 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 583.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 598.15 ms. Allocated memory was 649.6 MB in the beginning and 694.2 MB in the end (delta: 44.6 MB). Free memory was 553.6 MB in the beginning and 622.8 MB in the end (delta: -69.3 MB). Peak memory consumption was 31.5 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 87.68 ms. Allocated memory is still 694.2 MB. Free memory was 622.8 MB in the beginning and 613.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 59.88 ms. Allocated memory is still 694.2 MB. Free memory was 613.6 MB in the beginning and 606.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. * RCFGBuilder took 1170.46 ms. Allocated memory is still 694.2 MB. Free memory was 605.5 MB in the beginning and 474.0 MB in the end (delta: 131.5 MB). Peak memory consumption was 131.5 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 484.77 ms. Allocated memory was 694.2 MB in the beginning and 773.8 MB in the end (delta: 79.7 MB). Free memory was 474.0 MB in the beginning and 673.1 MB in the end (delta: -199.1 MB). Peak memory consumption was 99.5 MB. Max. memory is 50.3 GB. * TraceAbstraction took 228.79 ms. Allocated memory is still 773.8 MB. Free memory was 673.1 MB in the beginning and 648.9 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 7443.98 ms. Allocated memory was 773.8 MB in the beginning and 888.1 MB in the end (delta: 114.3 MB). Free memory was 648.9 MB in the beginning and 550.3 MB in the end (delta: 98.6 MB). Peak memory consumption was 212.9 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: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 132 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=132occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: unknown kind of automaton de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: unknown kind of automaton: de.uni_freiburg.informatik.ultimate.automata.AutomatonDefinitionPrinter.printAutomaton(AutomatonDefinitionPrinter.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. !SESSION 2020-07-01 10:40:53.571 ----------------------------------------------- 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_aF5YOR/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-07-01 10:41:07.199 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check