26.73/18.69 YES 26.73/18.69 26.73/18.69 Ultimate: Cannot open display: 26.73/18.69 This is Ultimate 0.1.24-8dc7c08-m 26.73/18.69 [2019-03-28 12:01:01,196 INFO L170 SettingsManager]: Resetting all preferences to default values... 26.73/18.69 [2019-03-28 12:01:01,198 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 26.73/18.69 [2019-03-28 12:01:01,209 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 26.73/18.69 [2019-03-28 12:01:01,210 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 26.73/18.69 [2019-03-28 12:01:01,211 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 26.73/18.69 [2019-03-28 12:01:01,212 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 26.73/18.69 [2019-03-28 12:01:01,213 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 26.73/18.69 [2019-03-28 12:01:01,215 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 26.80/18.69 [2019-03-28 12:01:01,216 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 26.80/18.69 [2019-03-28 12:01:01,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 26.80/18.69 [2019-03-28 12:01:01,217 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 26.80/18.69 [2019-03-28 12:01:01,217 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 26.80/18.69 [2019-03-28 12:01:01,218 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 26.80/18.69 [2019-03-28 12:01:01,219 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 26.80/18.69 [2019-03-28 12:01:01,220 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 26.80/18.69 [2019-03-28 12:01:01,221 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 26.80/18.69 [2019-03-28 12:01:01,223 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 26.80/18.69 [2019-03-28 12:01:01,225 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 26.80/18.69 [2019-03-28 12:01:01,226 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 26.80/18.69 [2019-03-28 12:01:01,227 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 26.80/18.69 [2019-03-28 12:01:01,228 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 26.80/18.69 [2019-03-28 12:01:01,230 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 26.80/18.69 [2019-03-28 12:01:01,230 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 26.80/18.69 [2019-03-28 12:01:01,231 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 26.80/18.69 [2019-03-28 12:01:01,231 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 26.80/18.69 [2019-03-28 12:01:01,232 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 26.80/18.69 [2019-03-28 12:01:01,233 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 26.80/18.69 [2019-03-28 12:01:01,233 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 26.80/18.69 [2019-03-28 12:01:01,233 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 26.80/18.69 [2019-03-28 12:01:01,234 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 26.80/18.69 [2019-03-28 12:01:01,235 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 26.80/18.69 [2019-03-28 12:01:01,236 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 26.80/18.69 [2019-03-28 12:01:01,236 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 26.80/18.69 [2019-03-28 12:01:01,237 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 26.80/18.69 [2019-03-28 12:01:01,237 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 26.80/18.69 [2019-03-28 12:01:01,237 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 26.80/18.69 [2019-03-28 12:01:01,238 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 26.80/18.69 [2019-03-28 12:01:01,239 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 26.80/18.69 [2019-03-28 12:01:01,239 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 26.80/18.69 [2019-03-28 12:01:01,253 INFO L110 SettingsManager]: Loading preferences was successful 26.80/18.69 [2019-03-28 12:01:01,254 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 26.80/18.69 [2019-03-28 12:01:01,255 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 26.80/18.69 [2019-03-28 12:01:01,255 INFO L133 SettingsManager]: * Rewrite not-equals=true 26.80/18.69 [2019-03-28 12:01:01,255 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 26.80/18.69 [2019-03-28 12:01:01,255 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 26.80/18.69 [2019-03-28 12:01:01,255 INFO L133 SettingsManager]: * Use SBE=true 26.80/18.69 [2019-03-28 12:01:01,255 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 26.80/18.69 [2019-03-28 12:01:01,256 INFO L133 SettingsManager]: * Use old map elimination=false 26.80/18.69 [2019-03-28 12:01:01,256 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 26.80/18.69 [2019-03-28 12:01:01,256 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 26.80/18.69 [2019-03-28 12:01:01,256 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 26.80/18.69 [2019-03-28 12:01:01,256 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 26.80/18.69 [2019-03-28 12:01:01,256 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 26.80/18.69 [2019-03-28 12:01:01,257 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.80/18.69 [2019-03-28 12:01:01,257 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 26.80/18.69 [2019-03-28 12:01:01,257 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 26.80/18.69 [2019-03-28 12:01:01,257 INFO L133 SettingsManager]: * Check division by zero=IGNORE 26.80/18.69 [2019-03-28 12:01:01,257 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 26.80/18.69 [2019-03-28 12:01:01,258 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 26.80/18.69 [2019-03-28 12:01:01,258 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 26.80/18.69 [2019-03-28 12:01:01,258 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 26.80/18.69 [2019-03-28 12:01:01,258 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 26.80/18.69 [2019-03-28 12:01:01,258 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 26.80/18.69 [2019-03-28 12:01:01,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 26.80/18.69 [2019-03-28 12:01:01,259 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 26.80/18.69 [2019-03-28 12:01:01,259 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 26.80/18.69 [2019-03-28 12:01:01,259 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 26.80/18.69 [2019-03-28 12:01:01,259 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 26.80/18.69 [2019-03-28 12:01:01,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 26.80/18.69 [2019-03-28 12:01:01,298 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 26.80/18.69 [2019-03-28 12:01:01,301 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 26.80/18.69 [2019-03-28 12:01:01,303 INFO L271 PluginConnector]: Initializing CDTParser... 26.80/18.69 [2019-03-28 12:01:01,303 INFO L276 PluginConnector]: CDTParser initialized 26.80/18.69 [2019-03-28 12:01:01,304 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 26.80/18.69 [2019-03-28 12:01:01,374 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/234e350fb7f649708f51a729d48d16b4/FLAG96de444f7 26.80/18.69 !SESSION 2019-03-28 12:00:58.876 ----------------------------------------------- 26.80/18.69 eclipse.buildId=unknown 26.80/18.69 java.version=1.8.0_181 26.80/18.69 java.vendor=Oracle Corporation 26.80/18.69 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 26.80/18.69 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 26.80/18.69 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 26.80/18.69 26.80/18.69 !ENTRY org.eclipse.cdt.core 1 0 2019-03-28 12:01:01.635 26.80/18.69 !MESSAGE Indexed 'FLAG96de444f7' (0 sources, 0 headers) in 0.005 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) 26.80/18.69 [2019-03-28 12:01:01,710 INFO L307 CDTParser]: Found 1 translation units. 26.80/18.69 [2019-03-28 12:01:01,711 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 26.80/18.69 [2019-03-28 12:01:01,717 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/234e350fb7f649708f51a729d48d16b4/FLAG96de444f7 26.80/18.69 [2019-03-28 12:01:02,170 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/234e350fb7f649708f51a729d48d16b4 26.80/18.69 [2019-03-28 12:01:02,182 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 26.80/18.69 [2019-03-28 12:01:02,183 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 26.80/18.69 [2019-03-28 12:01:02,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 26.80/18.69 [2019-03-28 12:01:02,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 26.80/18.69 [2019-03-28 12:01:02,188 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 26.80/18.69 [2019-03-28 12:01:02,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:01:02" (1/1) ... 26.80/18.69 [2019-03-28 12:01:02,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19be8a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02, skipping insertion in model container 26.80/18.69 [2019-03-28 12:01:02,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:01:02" (1/1) ... 26.80/18.69 [2019-03-28 12:01:02,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 26.80/18.69 [2019-03-28 12:01:02,217 INFO L176 MainTranslator]: Built tables and reachable declarations 26.80/18.69 [2019-03-28 12:01:02,376 INFO L206 PostProcessor]: Analyzing one entry point: main 26.80/18.69 [2019-03-28 12:01:02,381 INFO L191 MainTranslator]: Completed pre-run 26.80/18.69 [2019-03-28 12:01:02,397 INFO L206 PostProcessor]: Analyzing one entry point: main 26.80/18.69 [2019-03-28 12:01:02,471 INFO L195 MainTranslator]: Completed translation 26.80/18.69 [2019-03-28 12:01:02,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02 WrapperNode 26.80/18.69 [2019-03-28 12:01:02,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 26.80/18.69 [2019-03-28 12:01:02,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 26.80/18.69 [2019-03-28 12:01:02,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 26.80/18.69 [2019-03-28 12:01:02,473 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 26.80/18.69 [2019-03-28 12:01:02,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02" (1/1) ... 26.80/18.69 [2019-03-28 12:01:02,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02" (1/1) ... 26.80/18.69 [2019-03-28 12:01:02,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 26.80/18.69 [2019-03-28 12:01:02,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 26.80/18.69 [2019-03-28 12:01:02,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 26.80/18.69 [2019-03-28 12:01:02,511 INFO L276 PluginConnector]: Boogie Preprocessor initialized 26.80/18.69 [2019-03-28 12:01:02,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02" (1/1) ... 26.80/18.69 [2019-03-28 12:01:02,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02" (1/1) ... 26.80/18.69 [2019-03-28 12:01:02,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02" (1/1) ... 26.80/18.69 [2019-03-28 12:01:02,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02" (1/1) ... 26.80/18.69 [2019-03-28 12:01:02,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02" (1/1) ... 26.80/18.69 [2019-03-28 12:01:02,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02" (1/1) ... 26.80/18.69 [2019-03-28 12:01:02,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02" (1/1) ... 26.80/18.69 [2019-03-28 12:01:02,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 26.80/18.69 [2019-03-28 12:01:02,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 26.80/18.69 [2019-03-28 12:01:02,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... 26.80/18.69 [2019-03-28 12:01:02,533 INFO L276 PluginConnector]: RCFGBuilder initialized 26.80/18.69 [2019-03-28 12:01:02,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02" (1/1) ... 26.80/18.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 26.80/18.69 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 26.80/18.69 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 26.80/18.69 [2019-03-28 12:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 26.80/18.69 [2019-03-28 12:01:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 26.80/18.69 [2019-03-28 12:01:02,786 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 26.80/18.69 [2019-03-28 12:01:02,786 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. 26.80/18.69 [2019-03-28 12:01:02,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:02 BoogieIcfgContainer 26.80/18.69 [2019-03-28 12:01:02,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 26.80/18.69 [2019-03-28 12:01:02,789 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 26.80/18.69 [2019-03-28 12:01:02,789 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 26.80/18.69 [2019-03-28 12:01:02,791 INFO L276 PluginConnector]: BlockEncodingV2 initialized 26.80/18.69 [2019-03-28 12:01:02,792 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:02" (1/1) ... 26.80/18.69 [2019-03-28 12:01:02,808 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 13 edges 26.80/18.69 [2019-03-28 12:01:02,809 INFO L258 BlockEncoder]: Using Remove infeasible edges 26.80/18.69 [2019-03-28 12:01:02,810 INFO L263 BlockEncoder]: Using Maximize final states 26.80/18.69 [2019-03-28 12:01:02,811 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 26.80/18.69 [2019-03-28 12:01:02,811 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 26.80/18.69 [2019-03-28 12:01:02,813 INFO L296 BlockEncoder]: Using Remove sink states 26.80/18.69 [2019-03-28 12:01:02,814 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 26.80/18.69 [2019-03-28 12:01:02,814 INFO L179 BlockEncoder]: Using Rewrite not-equals 26.80/18.69 [2019-03-28 12:01:02,828 INFO L185 BlockEncoder]: Using Use SBE 26.80/18.69 [2019-03-28 12:01:02,836 INFO L200 BlockEncoder]: SBE split 0 edges 26.80/18.69 [2019-03-28 12:01:02,841 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 26.80/18.69 [2019-03-28 12:01:02,843 INFO L71 MaximizeFinalStates]: 0 new accepting states 26.80/18.69 [2019-03-28 12:01:02,855 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 26.80/18.69 [2019-03-28 12:01:02,857 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 26.80/18.69 [2019-03-28 12:01:02,859 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 26.80/18.69 [2019-03-28 12:01:02,859 INFO L71 MaximizeFinalStates]: 0 new accepting states 26.80/18.69 [2019-03-28 12:01:02,859 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 26.80/18.69 [2019-03-28 12:01:02,859 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 26.80/18.69 [2019-03-28 12:01:02,860 INFO L313 BlockEncoder]: Encoded RCFG 6 locations, 8 edges 26.80/18.69 [2019-03-28 12:01:02,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:01:02 BasicIcfg 26.80/18.69 [2019-03-28 12:01:02,860 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 26.80/18.69 [2019-03-28 12:01:02,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 26.80/18.69 [2019-03-28 12:01:02,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... 26.80/18.69 [2019-03-28 12:01:02,865 INFO L276 PluginConnector]: TraceAbstraction initialized 26.80/18.69 [2019-03-28 12:01:02,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:01:02" (1/4) ... 26.80/18.69 [2019-03-28 12:01:02,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19487732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:01:02, skipping insertion in model container 26.80/18.69 [2019-03-28 12:01:02,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02" (2/4) ... 26.80/18.69 [2019-03-28 12:01:02,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19487732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:01:02, skipping insertion in model container 26.80/18.69 [2019-03-28 12:01:02,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:02" (3/4) ... 26.80/18.69 [2019-03-28 12:01:02,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19487732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:01:02, skipping insertion in model container 26.80/18.69 [2019-03-28 12:01:02,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:01:02" (4/4) ... 26.80/18.69 [2019-03-28 12:01:02,869 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 26.80/18.69 [2019-03-28 12:01:02,879 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 26.80/18.69 [2019-03-28 12:01:02,889 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 26.80/18.69 [2019-03-28 12:01:02,909 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 26.80/18.69 [2019-03-28 12:01:02,938 INFO L133 ementStrategyFactory]: Using default assertion order modulation 26.80/18.69 [2019-03-28 12:01:02,939 INFO L382 AbstractCegarLoop]: Interprodecural is true 26.80/18.69 [2019-03-28 12:01:02,939 INFO L383 AbstractCegarLoop]: Hoare is true 26.80/18.69 [2019-03-28 12:01:02,939 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 26.80/18.69 [2019-03-28 12:01:02,940 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 26.80/18.69 [2019-03-28 12:01:02,940 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 26.80/18.69 [2019-03-28 12:01:02,940 INFO L387 AbstractCegarLoop]: Difference is false 26.80/18.69 [2019-03-28 12:01:02,940 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 26.80/18.69 [2019-03-28 12:01:02,940 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 26.80/18.69 [2019-03-28 12:01:02,955 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. 26.80/18.69 [2019-03-28 12:01:02,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 26.80/18.69 [2019-03-28 12:01:02,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. 26.80/18.69 [2019-03-28 12:01:03,017 INFO L451 ceAbstractionStarter]: At program point L18-1(lines 14 20) the Hoare annotation is: true 26.80/18.69 [2019-03-28 12:01:03,017 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. 26.80/18.69 [2019-03-28 12:01:03,017 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. 26.80/18.69 [2019-03-28 12:01:03,017 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 26.80/18.69 [2019-03-28 12:01:03,018 INFO L451 ceAbstractionStarter]: At program point L25-2(lines 25 30) the Hoare annotation is: true 26.80/18.69 [2019-03-28 12:01:03,018 INFO L451 ceAbstractionStarter]: At program point L18(lines 14 20) the Hoare annotation is: true 26.80/18.69 [2019-03-28 12:01:03,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:01:03 BasicIcfg 26.80/18.69 [2019-03-28 12:01:03,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 26.80/18.69 [2019-03-28 12:01:03,027 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 26.80/18.69 [2019-03-28 12:01:03,027 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 26.80/18.69 [2019-03-28 12:01:03,030 INFO L276 PluginConnector]: BuchiAutomizer initialized 26.80/18.69 [2019-03-28 12:01:03,031 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.80/18.69 [2019-03-28 12:01:03,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:01:02" (1/5) ... 26.80/18.69 [2019-03-28 12:01:03,032 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79b459c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:01:03, skipping insertion in model container 26.80/18.69 [2019-03-28 12:01:03,032 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.80/18.69 [2019-03-28 12:01:03,032 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:01:02" (2/5) ... 26.80/18.69 [2019-03-28 12:01:03,033 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79b459c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:01:03, skipping insertion in model container 26.80/18.69 [2019-03-28 12:01:03,033 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.80/18.69 [2019-03-28 12:01:03,033 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:01:02" (3/5) ... 26.80/18.69 [2019-03-28 12:01:03,033 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79b459c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:01:03, skipping insertion in model container 26.80/18.69 [2019-03-28 12:01:03,033 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.80/18.69 [2019-03-28 12:01:03,034 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:01:02" (4/5) ... 26.80/18.69 [2019-03-28 12:01:03,034 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79b459c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:01:03, skipping insertion in model container 26.80/18.69 [2019-03-28 12:01:03,034 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 26.80/18.69 [2019-03-28 12:01:03,034 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:01:03" (5/5) ... 26.80/18.69 [2019-03-28 12:01:03,036 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 26.80/18.69 [2019-03-28 12:01:03,063 INFO L133 ementStrategyFactory]: Using default assertion order modulation 26.80/18.69 [2019-03-28 12:01:03,063 INFO L374 BuchiCegarLoop]: Interprodecural is true 26.80/18.69 [2019-03-28 12:01:03,064 INFO L375 BuchiCegarLoop]: Hoare is true 26.80/18.69 [2019-03-28 12:01:03,064 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 26.80/18.69 [2019-03-28 12:01:03,064 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 26.80/18.69 [2019-03-28 12:01:03,064 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 26.80/18.69 [2019-03-28 12:01:03,064 INFO L379 BuchiCegarLoop]: Difference is false 26.80/18.69 [2019-03-28 12:01:03,064 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 26.80/18.69 [2019-03-28 12:01:03,065 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 26.80/18.69 [2019-03-28 12:01:03,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. 26.80/18.69 [2019-03-28 12:01:03,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 26.80/18.69 [2019-03-28 12:01:03,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 26.80/18.69 [2019-03-28 12:01:03,086 INFO L119 BuchiIsEmpty]: Starting construction of run 26.80/18.69 [2019-03-28 12:01:03,091 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 26.80/18.69 [2019-03-28 12:01:03,091 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 26.80/18.69 [2019-03-28 12:01:03,092 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 26.80/18.69 [2019-03-28 12:01:03,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. 26.80/18.69 [2019-03-28 12:01:03,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 26.80/18.69 [2019-03-28 12:01:03,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 26.80/18.69 [2019-03-28 12:01:03,093 INFO L119 BuchiIsEmpty]: Starting construction of run 26.80/18.69 [2019-03-28 12:01:03,093 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 26.80/18.69 [2019-03-28 12:01:03,093 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 26.80/18.69 [2019-03-28 12:01:03,098 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [35] ULTIMATE.startENTRY-->L25-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_1|, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_1, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~nondetNat~0, ULTIMATE.start_main_~nondetPos~0, ULTIMATE.start_main_#t~ret3] 6#L25-2true 26.80/18.69 [2019-03-28 12:01:03,099 INFO L796 eck$LassoCheckResult]: Loop: 6#L25-2true [40] L25-2-->L15: Formula: (and (= |v_ULTIMATE.start_absMathInteger_#in~i_1| |v_ULTIMATE.start_main_#t~nondet2_2|) (= v_ULTIMATE.start_absMathInteger_~i_1 |v_ULTIMATE.start_absMathInteger_#in~i_1|) (<= (+ v_ULTIMATE.start_main_~j~0_5 1) v_ULTIMATE.start_main_~i~0_5)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} OutVars{ULTIMATE.start_absMathInteger_#in~i=|v_ULTIMATE.start_absMathInteger_#in~i_1|, ULTIMATE.start_absMathInteger_~i=v_ULTIMATE.start_absMathInteger_~i_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5, ULTIMATE.start_absMathInteger_#res=|v_ULTIMATE.start_absMathInteger_#res_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5} AuxVars[] AssignedVars[ULTIMATE.start_absMathInteger_#in~i, ULTIMATE.start_absMathInteger_~i, ULTIMATE.start_absMathInteger_#res] 3#L15true [32] L15-->L18: Formula: (and (<= 0 v_ULTIMATE.start_absMathInteger_~i_3) (= |v_ULTIMATE.start_absMathInteger_#res_2| v_ULTIMATE.start_absMathInteger_~i_3)) InVars {ULTIMATE.start_absMathInteger_~i=v_ULTIMATE.start_absMathInteger_~i_3} OutVars{ULTIMATE.start_absMathInteger_~i=v_ULTIMATE.start_absMathInteger_~i_3, ULTIMATE.start_absMathInteger_#res=|v_ULTIMATE.start_absMathInteger_#res_2|} AuxVars[] AssignedVars[ULTIMATE.start_absMathInteger_#res] 7#L18true [41] L18-->L15-1: Formula: (and (= v_ULTIMATE.start_main_~i~0_6 (+ v_ULTIMATE.start_main_~i~0_7 (* (- 1) v_ULTIMATE.start_main_~nondetNat~0_2))) (= v_ULTIMATE.start_absMathInteger_~i_5 |v_ULTIMATE.start_absMathInteger_#in~i_2|) (= |v_ULTIMATE.start_absMathInteger_#in~i_2| |v_ULTIMATE.start_main_#t~nondet4_2|) (= |v_ULTIMATE.start_absMathInteger_#res_5| v_ULTIMATE.start_main_~nondetNat~0_2)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|, ULTIMATE.start_absMathInteger_#res=|v_ULTIMATE.start_absMathInteger_#res_5|} OutVars{ULTIMATE.start_absMathInteger_#in~i=|v_ULTIMATE.start_absMathInteger_#in~i_2|, ULTIMATE.start_absMathInteger_~i=v_ULTIMATE.start_absMathInteger_~i_5, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|, ULTIMATE.start_absMathInteger_#res=|v_ULTIMATE.start_absMathInteger_#res_4|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_2, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_2|} AuxVars[] AssignedVars[ULTIMATE.start_absMathInteger_#in~i, ULTIMATE.start_absMathInteger_~i, ULTIMATE.start_absMathInteger_#res, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~nondetNat~0, ULTIMATE.start_main_#t~ret3] 8#L15-1true [43] L15-1-->L18-1: Formula: (and (= |v_ULTIMATE.start_absMathInteger_#res_6| v_ULTIMATE.start_absMathInteger_~i_7) (<= 0 v_ULTIMATE.start_absMathInteger_~i_7)) InVars {ULTIMATE.start_absMathInteger_~i=v_ULTIMATE.start_absMathInteger_~i_7} OutVars{ULTIMATE.start_absMathInteger_~i=v_ULTIMATE.start_absMathInteger_~i_7, ULTIMATE.start_absMathInteger_#res=|v_ULTIMATE.start_absMathInteger_#res_6|} AuxVars[] AssignedVars[ULTIMATE.start_absMathInteger_#res] 5#L18-1true [37] L18-1-->L25-2: Formula: (and (= (+ |v_ULTIMATE.start_absMathInteger_#res_8| 1) v_ULTIMATE.start_main_~nondetPos~0_2) (= v_ULTIMATE.start_main_~j~0_6 (+ v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~nondetPos~0_2))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_absMathInteger_#res=|v_ULTIMATE.start_absMathInteger_#res_8|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_2|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_2, ULTIMATE.start_absMathInteger_#res=|v_ULTIMATE.start_absMathInteger_#res_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~nondetPos~0] 6#L25-2true 26.80/18.69 [2019-03-28 12:01:03,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 26.80/18.69 [2019-03-28 12:01:03,106 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times 26.80/18.69 [2019-03-28 12:01:03,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 26.80/18.69 [2019-03-28 12:01:03,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 26.80/18.69 [2019-03-28 12:01:03,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.80/18.69 [2019-03-28 12:01:03,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 26.80/18.69 [2019-03-28 12:01:03,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.80/18.69 [2019-03-28 12:01:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.80/18.69 [2019-03-28 12:01:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.80/18.69 [2019-03-28 12:01:03,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 26.80/18.69 [2019-03-28 12:01:03,170 INFO L82 PathProgramCache]: Analyzing trace with hash 66564074, now seen corresponding path program 1 times 26.80/18.69 [2019-03-28 12:01:03,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 26.80/18.69 [2019-03-28 12:01:03,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 26.80/18.69 [2019-03-28 12:01:03,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.80/18.69 [2019-03-28 12:01:03,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 26.80/18.69 [2019-03-28 12:01:03,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.80/18.69 [2019-03-28 12:01:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.80/18.69 [2019-03-28 12:01:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.80/18.69 [2019-03-28 12:01:03,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 26.80/18.69 [2019-03-28 12:01:03,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1927458889, now seen corresponding path program 1 times 26.80/18.69 [2019-03-28 12:01:03,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 26.80/18.69 [2019-03-28 12:01:03,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 26.80/18.69 [2019-03-28 12:01:03,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.80/18.69 [2019-03-28 12:01:03,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 26.80/18.69 [2019-03-28 12:01:03,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 26.80/18.69 [2019-03-28 12:01:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.80/18.69 [2019-03-28 12:01:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 26.80/18.69 [2019-03-28 12:01:03,334 INFO L216 LassoAnalysis]: Preferences: 26.80/18.69 [2019-03-28 12:01:03,335 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 26.80/18.69 [2019-03-28 12:01:03,335 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 26.80/18.69 [2019-03-28 12:01:03,335 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 26.80/18.69 [2019-03-28 12:01:03,335 INFO L127 ssoRankerPreferences]: Use exernal solver: true 26.80/18.69 [2019-03-28 12:01:03,336 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.80/18.69 [2019-03-28 12:01:03,336 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 26.80/18.69 [2019-03-28 12:01:03,336 INFO L130 ssoRankerPreferences]: Path of dumped script: 26.80/18.69 [2019-03-28 12:01:03,336 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 26.80/18.69 [2019-03-28 12:01:03,336 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 26.80/18.69 [2019-03-28 12:01:03,337 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 26.80/18.69 [2019-03-28 12:01:03,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.80/18.69 [2019-03-28 12:01:03,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.80/18.69 [2019-03-28 12:01:03,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.80/18.69 [2019-03-28 12:01:03,539 INFO L300 LassoAnalysis]: Preprocessing complete. 26.80/18.69 [2019-03-28 12:01:03,540 INFO L412 LassoAnalysis]: Checking for nontermination... 26.80/18.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 26.80/18.69 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 26.80/18.69 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.80/18.69 [2019-03-28 12:01:03,549 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 26.80/18.69 [2019-03-28 12:01:03,549 INFO L163 nArgumentSynthesizer]: Using integer mode. 26.80/18.69 [2019-03-28 12:01:03,558 INFO L445 LassoAnalysis]: Proved nontermination for one component. 26.80/18.69 [2019-03-28 12:01:03,558 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret3=0} Honda state: {ULTIMATE.start_main_#t~ret3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 26.80/18.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 26.80/18.69 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 26.80/18.69 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.80/18.69 [2019-03-28 12:01:03,587 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 26.80/18.69 [2019-03-28 12:01:03,587 INFO L163 nArgumentSynthesizer]: Using integer mode. 26.80/18.69 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 26.80/18.69 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 26.80/18.69 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 26.80/18.69 [2019-03-28 12:01:03,626 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 26.80/18.69 [2019-03-28 12:01:03,626 INFO L163 nArgumentSynthesizer]: Using integer mode. 26.80/18.69 [2019-03-28 12:01:15,694 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. 26.80/18.69 [2019-03-28 12:01:15,700 INFO L216 LassoAnalysis]: Preferences: 26.80/18.69 [2019-03-28 12:01:15,700 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 26.80/18.69 [2019-03-28 12:01:15,700 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 26.80/18.69 [2019-03-28 12:01:15,701 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 26.80/18.69 [2019-03-28 12:01:15,701 INFO L127 ssoRankerPreferences]: Use exernal solver: false 26.80/18.69 [2019-03-28 12:01:15,701 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 26.80/18.69 [2019-03-28 12:01:15,701 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 26.80/18.69 [2019-03-28 12:01:15,701 INFO L130 ssoRankerPreferences]: Path of dumped script: 26.80/18.69 [2019-03-28 12:01:15,701 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 26.80/18.69 [2019-03-28 12:01:15,701 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 26.80/18.69 [2019-03-28 12:01:15,702 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 26.80/18.69 [2019-03-28 12:01:15,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.80/18.69 [2019-03-28 12:01:15,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.80/18.69 [2019-03-28 12:01:15,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 26.80/18.69 [2019-03-28 12:01:15,862 INFO L300 LassoAnalysis]: Preprocessing complete. 26.80/18.69 [2019-03-28 12:01:15,868 INFO L497 LassoAnalysis]: Using template 'affine'. 26.80/18.69 [2019-03-28 12:01:15,870 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.80/18.69 Termination analysis: LINEAR_WITH_GUESSES 26.80/18.69 Number of strict supporting invariants: 0 26.80/18.69 Number of non-strict supporting invariants: 1 26.80/18.69 Consider only non-deceasing supporting invariants: true 26.80/18.69 Simplify termination arguments: true 26.80/18.69 Simplify supporting invariants: trueOverapproximate stem: false 26.80/18.69 [2019-03-28 12:01:15,872 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.80/18.69 [2019-03-28 12:01:15,872 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 26.80/18.69 [2019-03-28 12:01:15,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.80/18.69 [2019-03-28 12:01:15,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.80/18.69 [2019-03-28 12:01:15,873 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 26.80/18.69 [2019-03-28 12:01:15,876 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 26.80/18.69 [2019-03-28 12:01:15,876 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 26.80/18.69 [2019-03-28 12:01:15,891 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 26.80/18.69 [2019-03-28 12:01:15,892 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 26.80/18.69 Termination analysis: LINEAR_WITH_GUESSES 26.80/18.69 Number of strict supporting invariants: 0 26.80/18.69 Number of non-strict supporting invariants: 1 26.80/18.69 Consider only non-deceasing supporting invariants: true 26.80/18.69 Simplify termination arguments: true 26.80/18.69 Simplify supporting invariants: trueOverapproximate stem: false 26.80/18.69 [2019-03-28 12:01:15,893 INFO L339 nArgumentSynthesizer]: Template has degree 0. 26.80/18.69 [2019-03-28 12:01:15,893 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 26.80/18.69 [2019-03-28 12:01:15,893 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 26.80/18.69 [2019-03-28 12:01:15,893 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 26.80/18.69 [2019-03-28 12:01:15,893 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 26.80/18.69 [2019-03-28 12:01:15,896 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 26.80/18.69 [2019-03-28 12:01:15,896 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 26.80/18.69 [2019-03-28 12:01:15,917 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 26.80/18.69 [2019-03-28 12:01:15,936 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 26.80/18.69 [2019-03-28 12:01:15,936 INFO L444 ModelExtractionUtils]: 7 out of 11 variables were initially zero. Simplification set additionally 1 variables to zero. 26.80/18.69 [2019-03-28 12:01:15,940 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 26.80/18.69 [2019-03-28 12:01:15,940 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 26.80/18.69 [2019-03-28 12:01:15,940 INFO L518 LassoAnalysis]: Proved termination. 26.80/18.69 [2019-03-28 12:01:15,941 INFO L520 LassoAnalysis]: Termination argument consisting of: 26.80/18.69 Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~j~0 + 1*ULTIMATE.start_main_~i~0 26.80/18.69 Supporting invariants [] 26.80/18.69 [2019-03-28 12:01:15,942 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 26.80/18.69 [2019-03-28 12:01:15,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 26.80/18.69 [2019-03-28 12:01:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 26.80/18.69 [2019-03-28 12:01:15,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 26.80/18.69 [2019-03-28 12:01:15,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... 26.80/18.69 [2019-03-28 12:01:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 26.80/18.69 [2019-03-28 12:01:16,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 11 conjunts are in the unsatisfiable core 26.80/18.69 [2019-03-28 12:01:16,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... 26.80/18.69 [2019-03-28 12:01:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 26.80/18.69 [2019-03-28 12:01:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 26.80/18.69 [2019-03-28 12:01:16,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 11 conjunts are in the unsatisfiable core 26.80/18.69 [2019-03-28 12:01:16,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... 26.80/18.69 [2019-03-28 12:01:16,252 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 5 predicates after loop cannibalization 26.80/18.69 [2019-03-28 12:01:16,258 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates 26.80/18.69 [2019-03-28 12:01:16,260 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states. Second operand 6 states. 26.80/18.69 [2019-03-28 12:01:16,367 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states.. Second operand 6 states. Result 11 states and 16 transitions. Complement of second has 11 states. 26.80/18.69 [2019-03-28 12:01:16,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 2 accepting loop states 26.80/18.69 [2019-03-28 12:01:16,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 26.80/18.69 [2019-03-28 12:01:16,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 17 transitions. 26.80/18.69 [2019-03-28 12:01:16,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 1 letters. Loop has 5 letters. 26.80/18.69 [2019-03-28 12:01:16,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. 26.80/18.69 [2019-03-28 12:01:16,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 6 letters. Loop has 5 letters. 26.80/18.69 [2019-03-28 12:01:16,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. 26.80/18.69 [2019-03-28 12:01:16,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 1 letters. Loop has 10 letters. 26.80/18.69 [2019-03-28 12:01:16,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. 26.80/18.69 [2019-03-28 12:01:16,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. 26.80/18.69 [2019-03-28 12:01:16,386 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 26.80/18.69 [2019-03-28 12:01:16,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 26.80/18.69 [2019-03-28 12:01:16,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 26.80/18.69 [2019-03-28 12:01:16,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 26.80/18.69 [2019-03-28 12:01:16,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 26.80/18.69 [2019-03-28 12:01:16,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 26.80/18.69 [2019-03-28 12:01:16,391 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 26.80/18.69 [2019-03-28 12:01:16,391 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 26.80/18.69 [2019-03-28 12:01:16,391 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 26.80/18.69 [2019-03-28 12:01:16,392 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 26.80/18.69 [2019-03-28 12:01:16,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 26.80/18.69 [2019-03-28 12:01:16,392 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 26.80/18.69 [2019-03-28 12:01:16,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 26.80/18.69 [2019-03-28 12:01:16,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:01:16 BasicIcfg 26.80/18.69 [2019-03-28 12:01:16,400 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 26.80/18.69 [2019-03-28 12:01:16,400 INFO L168 Benchmark]: Toolchain (without parser) took 14218.23 ms. Allocated memory was 649.6 MB in the beginning and 667.9 MB in the end (delta: 18.4 MB). Free memory was 557.4 MB in the beginning and 451.9 MB in the end (delta: 105.5 MB). Peak memory consumption was 123.9 MB. Max. memory is 50.3 GB. 26.80/18.69 [2019-03-28 12:01:16,402 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 26.80/18.69 [2019-03-28 12:01:16,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.88 ms. Allocated memory was 649.6 MB in the beginning and 667.9 MB in the end (delta: 18.4 MB). Free memory was 557.4 MB in the beginning and 635.3 MB in the end (delta: -77.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 26.80/18.69 [2019-03-28 12:01:16,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.16 ms. Allocated memory is still 667.9 MB. Free memory was 635.3 MB in the beginning and 634.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 26.80/18.69 [2019-03-28 12:01:16,404 INFO L168 Benchmark]: Boogie Preprocessor took 21.38 ms. Allocated memory is still 667.9 MB. Free memory was 634.0 MB in the beginning and 630.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 26.80/18.69 [2019-03-28 12:01:16,405 INFO L168 Benchmark]: RCFGBuilder took 255.56 ms. Allocated memory is still 667.9 MB. Free memory was 630.9 MB in the beginning and 615.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. 26.80/18.69 [2019-03-28 12:01:16,405 INFO L168 Benchmark]: BlockEncodingV2 took 71.76 ms. Allocated memory is still 667.9 MB. Free memory was 615.5 MB in the beginning and 610.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 26.80/18.69 [2019-03-28 12:01:16,406 INFO L168 Benchmark]: TraceAbstraction took 164.98 ms. Allocated memory is still 667.9 MB. Free memory was 610.1 MB in the beginning and 600.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 26.80/18.69 [2019-03-28 12:01:16,407 INFO L168 Benchmark]: BuchiAutomizer took 13372.78 ms. Allocated memory is still 667.9 MB. Free memory was 600.7 MB in the beginning and 451.9 MB in the end (delta: 148.8 MB). Peak memory consumption was 148.8 MB. Max. memory is 50.3 GB. 26.80/18.69 [2019-03-28 12:01:16,411 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 26.80/18.69 --- Results --- 26.80/18.69 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 26.80/18.69 - StatisticsResult: Initial Icfg 26.80/18.69 10 locations, 13 edges 26.80/18.69 - StatisticsResult: Encoded RCFG 26.80/18.69 6 locations, 8 edges 26.80/18.69 * Results from de.uni_freiburg.informatik.ultimate.core: 26.80/18.69 - StatisticsResult: Toolchain Benchmarks 26.80/18.69 Benchmark results are: 26.80/18.69 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 26.80/18.69 * CACSL2BoogieTranslator took 287.88 ms. Allocated memory was 649.6 MB in the beginning and 667.9 MB in the end (delta: 18.4 MB). Free memory was 557.4 MB in the beginning and 635.3 MB in the end (delta: -77.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 26.80/18.69 * Boogie Procedure Inliner took 38.16 ms. Allocated memory is still 667.9 MB. Free memory was 635.3 MB in the beginning and 634.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 26.80/18.69 * Boogie Preprocessor took 21.38 ms. Allocated memory is still 667.9 MB. Free memory was 634.0 MB in the beginning and 630.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 26.80/18.69 * RCFGBuilder took 255.56 ms. Allocated memory is still 667.9 MB. Free memory was 630.9 MB in the beginning and 615.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. 26.80/18.69 * BlockEncodingV2 took 71.76 ms. Allocated memory is still 667.9 MB. Free memory was 615.5 MB in the beginning and 610.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 26.80/18.69 * TraceAbstraction took 164.98 ms. Allocated memory is still 667.9 MB. Free memory was 610.1 MB in the beginning and 600.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 26.80/18.69 * BuchiAutomizer took 13372.78 ms. Allocated memory is still 667.9 MB. Free memory was 600.7 MB in the beginning and 451.9 MB in the end (delta: 148.8 MB). Peak memory consumption was 148.8 MB. Max. memory is 50.3 GB. 26.80/18.69 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 26.80/18.69 - AllSpecificationsHoldResult: All specifications hold 26.80/18.69 We were not able to verify any specifiation because the program does not contain any specification. 26.80/18.69 - InvariantResult [Line: 14]: Loop Invariant 26.80/18.69 Derived loop invariant: 1 26.80/18.69 - InvariantResult [Line: 25]: Loop Invariant 26.80/18.69 Derived loop invariant: 1 26.80/18.69 - InvariantResult [Line: 14]: Loop Invariant 26.80/18.69 Derived loop invariant: 1 26.80/18.69 - StatisticsResult: Ultimate Automizer benchmark data 26.80/18.69 CFG has 1 procedures, 6 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 3 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 26.80/18.69 - StatisticsResult: Constructed decomposition of program 26.80/18.69 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function -1 * j + i and consists of 7 locations. 26.80/18.69 - StatisticsResult: Timing statistics 26.80/18.69 BüchiAutomizer plugin needed 13.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 12.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 19 SDslu, 11 SDs, 0 SdLazy, 25 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital42 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq185 hnf90 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s 26.80/18.69 - TerminationAnalysisResult: Termination proven 26.80/18.69 Buchi Automizer proved that your program is terminating 26.80/18.69 RESULT: Ultimate proved your program to be correct! 26.80/18.69 26.80/18.69 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:01:16.641 26.80/18.69 !MESSAGE The workspace will exit with unsaved changes in this session. 26.80/18.69 Received shutdown request... 26.80/18.69 Ultimate: 26.80/18.69 GTK+ Version Check 26.80/18.69 EOF