/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 18:51:37,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 18:51:37,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 18:51:37,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 18:51:37,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 18:51:37,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 18:51:37,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 18:51:37,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 18:51:37,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 18:51:37,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 18:51:37,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 18:51:37,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 18:51:37,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 18:51:37,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 18:51:37,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 18:51:37,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 18:51:37,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 18:51:37,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 18:51:37,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 18:51:37,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 18:51:37,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 18:51:37,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 18:51:37,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 18:51:37,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 18:51:37,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 18:51:37,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 18:51:37,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 18:51:37,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 18:51:37,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 18:51:37,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 18:51:37,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 18:51:37,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 18:51:37,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 18:51:37,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 18:51:37,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 18:51:37,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 18:51:37,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 18:51:37,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 18:51:37,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 18:51:37,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 18:51:37,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 18:51:37,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf [2019-12-27 18:51:37,444 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 18:51:37,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 18:51:37,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 18:51:37,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 18:51:37,446 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 18:51:37,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 18:51:37,447 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 18:51:37,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 18:51:37,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 18:51:37,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 18:51:37,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 18:51:37,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 18:51:37,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 18:51:37,448 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 18:51:37,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 18:51:37,448 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 18:51:37,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 18:51:37,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 18:51:37,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 18:51:37,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 18:51:37,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 18:51:37,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:51:37,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 18:51:37,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 18:51:37,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 18:51:37,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 18:51:37,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 18:51:37,451 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 18:51:37,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 18:51:37,451 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 18:51:37,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 18:51:37,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 18:51:37,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 18:51:37,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 18:51:37,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 18:51:37,735 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 18:51:37,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i [2019-12-27 18:51:37,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/321ea9291/476f4933a091443e9f4a028cb6b4d096/FLAG3b56ce55d [2019-12-27 18:51:38,412 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 18:51:38,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.oepc.i [2019-12-27 18:51:38,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/321ea9291/476f4933a091443e9f4a028cb6b4d096/FLAG3b56ce55d [2019-12-27 18:51:38,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/321ea9291/476f4933a091443e9f4a028cb6b4d096 [2019-12-27 18:51:38,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 18:51:38,683 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 18:51:38,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 18:51:38,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 18:51:38,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 18:51:38,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:51:38" (1/1) ... [2019-12-27 18:51:38,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263c9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:38, skipping insertion in model container [2019-12-27 18:51:38,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:51:38" (1/1) ... [2019-12-27 18:51:38,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 18:51:38,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 18:51:39,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:51:39,202 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 18:51:39,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:51:39,332 INFO L208 MainTranslator]: Completed translation [2019-12-27 18:51:39,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:39 WrapperNode [2019-12-27 18:51:39,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 18:51:39,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 18:51:39,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 18:51:39,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 18:51:39,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:39" (1/1) ... [2019-12-27 18:51:39,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:39" (1/1) ... [2019-12-27 18:51:39,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 18:51:39,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 18:51:39,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 18:51:39,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 18:51:39,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:39" (1/1) ... [2019-12-27 18:51:39,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:39" (1/1) ... [2019-12-27 18:51:39,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:39" (1/1) ... [2019-12-27 18:51:39,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:39" (1/1) ... [2019-12-27 18:51:39,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:39" (1/1) ... [2019-12-27 18:51:39,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:39" (1/1) ... [2019-12-27 18:51:39,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:39" (1/1) ... [2019-12-27 18:51:39,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 18:51:39,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 18:51:39,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 18:51:39,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 18:51:39,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:51:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 18:51:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 18:51:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 18:51:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 18:51:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 18:51:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 18:51:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 18:51:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 18:51:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 18:51:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 18:51:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 18:51:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 18:51:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 18:51:39,484 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 18:51:39,882 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 18:51:39,882 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 18:51:39,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:51:39 BoogieIcfgContainer [2019-12-27 18:51:39,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 18:51:39,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 18:51:39,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 18:51:39,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 18:51:39,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 06:51:38" (1/3) ... [2019-12-27 18:51:39,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d407ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:51:39, skipping insertion in model container [2019-12-27 18:51:39,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:51:39" (2/3) ... [2019-12-27 18:51:39,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d407ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:51:39, skipping insertion in model container [2019-12-27 18:51:39,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:51:39" (3/3) ... [2019-12-27 18:51:39,892 INFO L109 eAbstractionObserver]: Analyzing ICFG safe034_tso.oepc.i [2019-12-27 18:51:39,902 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 18:51:39,902 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 18:51:39,909 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 18:51:39,910 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 18:51:39,939 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,940 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,940 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,940 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,941 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,941 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,941 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,942 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,942 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,942 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,943 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,943 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,943 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,943 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,944 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,944 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,944 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,945 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,948 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,949 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,949 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,949 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,955 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,956 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,956 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,956 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,964 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,965 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,965 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,965 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:51:39,983 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 18:51:40,000 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:51:40,000 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:51:40,000 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:51:40,000 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:51:40,000 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:51:40,001 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:51:40,001 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:51:40,002 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:51:40,016 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 54 transitions [2019-12-27 18:51:40,018 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-12-27 18:51:40,085 INFO L132 PetriNetUnfolder]: 1/51 cut-off events. [2019-12-27 18:51:40,086 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:51:40,091 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs. 0/49 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-27 18:51:40,094 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-12-27 18:51:40,112 INFO L132 PetriNetUnfolder]: 1/51 cut-off events. [2019-12-27 18:51:40,112 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:51:40,113 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs. 0/49 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-27 18:51:40,115 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-12-27 18:51:40,116 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:51:41,434 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-12-27 18:51:41,602 INFO L206 etLargeBlockEncoding]: Checked pairs total: 452 [2019-12-27 18:51:41,603 INFO L214 etLargeBlockEncoding]: Total number of compositions: 44 [2019-12-27 18:51:41,606 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 15 transitions [2019-12-27 18:51:41,616 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 46 states. [2019-12-27 18:51:41,619 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-12-27 18:51:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 18:51:41,625 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:51:41,626 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:51:41,627 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:51:41,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:51:41,633 INFO L82 PathProgramCache]: Analyzing trace with hash -225004372, now seen corresponding path program 1 times [2019-12-27 18:51:41,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:51:41,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595981133] [2019-12-27 18:51:41,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:51:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:51:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:51:41,860 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595981133] [2019-12-27 18:51:41,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:51:41,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 18:51:41,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1151211999] [2019-12-27 18:51:41,865 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:51:41,871 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:51:41,885 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 9 states and 8 transitions. [2019-12-27 18:51:41,886 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:51:41,890 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:51:41,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:51:41,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:51:41,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:51:41,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:51:41,908 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2019-12-27 18:51:41,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:51:41,931 INFO L93 Difference]: Finished difference Result 44 states and 89 transitions. [2019-12-27 18:51:41,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:51:41,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 18:51:41,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:51:41,944 INFO L225 Difference]: With dead ends: 44 [2019-12-27 18:51:41,944 INFO L226 Difference]: Without dead ends: 36 [2019-12-27 18:51:41,945 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:51:41,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-27 18:51:41,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-27 18:51:41,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-27 18:51:41,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 69 transitions. [2019-12-27 18:51:41,986 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 69 transitions. Word has length 8 [2019-12-27 18:51:41,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:51:41,987 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 69 transitions. [2019-12-27 18:51:41,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:51:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2019-12-27 18:51:41,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 18:51:41,988 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:51:41,988 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:51:41,989 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:51:41,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:51:41,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1614798822, now seen corresponding path program 1 times [2019-12-27 18:51:41,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:51:41,990 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826341719] [2019-12-27 18:51:41,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:51:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:51:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:51:42,063 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826341719] [2019-12-27 18:51:42,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:51:42,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:51:42,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [296076089] [2019-12-27 18:51:42,064 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:51:42,065 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:51:42,068 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 10 states and 9 transitions. [2019-12-27 18:51:42,068 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:51:42,069 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:51:42,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:51:42,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:51:42,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:51:42,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:51:42,071 INFO L87 Difference]: Start difference. First operand 36 states and 69 transitions. Second operand 3 states. [2019-12-27 18:51:42,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:51:42,090 INFO L93 Difference]: Finished difference Result 40 states and 69 transitions. [2019-12-27 18:51:42,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:51:42,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-27 18:51:42,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:51:42,092 INFO L225 Difference]: With dead ends: 40 [2019-12-27 18:51:42,092 INFO L226 Difference]: Without dead ends: 36 [2019-12-27 18:51:42,093 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:51:42,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-27 18:51:42,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2019-12-27 18:51:42,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-27 18:51:42,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 60 transitions. [2019-12-27 18:51:42,102 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 60 transitions. Word has length 9 [2019-12-27 18:51:42,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:51:42,103 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 60 transitions. [2019-12-27 18:51:42,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:51:42,103 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2019-12-27 18:51:42,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 18:51:42,104 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:51:42,104 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:51:42,104 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:51:42,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:51:42,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1614798543, now seen corresponding path program 1 times [2019-12-27 18:51:42,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:51:42,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343050211] [2019-12-27 18:51:42,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:51:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:51:42,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:51:42,306 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343050211] [2019-12-27 18:51:42,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:51:42,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 18:51:42,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [998256508] [2019-12-27 18:51:42,307 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:51:42,308 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:51:42,311 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 10 states and 9 transitions. [2019-12-27 18:51:42,311 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:51:42,312 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:51:42,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 18:51:42,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:51:42,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 18:51:42,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:51:42,313 INFO L87 Difference]: Start difference. First operand 34 states and 60 transitions. Second operand 5 states. [2019-12-27 18:51:42,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:51:42,375 INFO L93 Difference]: Finished difference Result 37 states and 59 transitions. [2019-12-27 18:51:42,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 18:51:42,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-12-27 18:51:42,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:51:42,376 INFO L225 Difference]: With dead ends: 37 [2019-12-27 18:51:42,376 INFO L226 Difference]: Without dead ends: 29 [2019-12-27 18:51:42,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:51:42,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-27 18:51:42,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-12-27 18:51:42,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-27 18:51:42,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 45 transitions. [2019-12-27 18:51:42,382 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 45 transitions. Word has length 9 [2019-12-27 18:51:42,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:51:42,382 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 45 transitions. [2019-12-27 18:51:42,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 18:51:42,382 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2019-12-27 18:51:42,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 18:51:42,383 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:51:42,383 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:51:42,383 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:51:42,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:51:42,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1506653978, now seen corresponding path program 1 times [2019-12-27 18:51:42,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:51:42,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761531131] [2019-12-27 18:51:42,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:51:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:51:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:51:42,423 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761531131] [2019-12-27 18:51:42,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:51:42,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 18:51:42,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1123925885] [2019-12-27 18:51:42,424 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:51:42,425 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:51:42,428 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 18 transitions. [2019-12-27 18:51:42,428 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:51:42,460 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 18:51:42,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 18:51:42,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:51:42,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 18:51:42,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:51:42,461 INFO L87 Difference]: Start difference. First operand 29 states and 45 transitions. Second operand 5 states. [2019-12-27 18:51:42,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:51:42,491 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2019-12-27 18:51:42,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:51:42,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-12-27 18:51:42,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:51:42,493 INFO L225 Difference]: With dead ends: 35 [2019-12-27 18:51:42,493 INFO L226 Difference]: Without dead ends: 24 [2019-12-27 18:51:42,493 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:51:42,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-12-27 18:51:42,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-12-27 18:51:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-27 18:51:42,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2019-12-27 18:51:42,497 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 32 transitions. Word has length 10 [2019-12-27 18:51:42,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:51:42,497 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 32 transitions. [2019-12-27 18:51:42,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 18:51:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2019-12-27 18:51:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 18:51:42,498 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:51:42,498 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:51:42,498 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:51:42,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:51:42,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1478918557, now seen corresponding path program 1 times [2019-12-27 18:51:42,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:51:42,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495402646] [2019-12-27 18:51:42,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:51:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:51:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:51:42,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495402646] [2019-12-27 18:51:42,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:51:42,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 18:51:42,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [731404138] [2019-12-27 18:51:42,569 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:51:42,570 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:51:42,571 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 18:51:42,572 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:51:42,572 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:51:42,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 18:51:42,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:51:42,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 18:51:42,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:51:42,573 INFO L87 Difference]: Start difference. First operand 24 states and 32 transitions. Second operand 6 states. [2019-12-27 18:51:42,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:51:42,654 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2019-12-27 18:51:42,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 18:51:42,654 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-12-27 18:51:42,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:51:42,655 INFO L225 Difference]: With dead ends: 23 [2019-12-27 18:51:42,655 INFO L226 Difference]: Without dead ends: 12 [2019-12-27 18:51:42,655 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-27 18:51:42,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-12-27 18:51:42,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-12-27 18:51:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-27 18:51:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-12-27 18:51:42,658 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2019-12-27 18:51:42,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:51:42,658 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-12-27 18:51:42,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 18:51:42,658 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-12-27 18:51:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 18:51:42,659 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:51:42,659 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:51:42,659 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:51:42,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:51:42,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1398224240, now seen corresponding path program 1 times [2019-12-27 18:51:42,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:51:42,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661909291] [2019-12-27 18:51:42,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:51:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:51:42,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:51:42,694 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661909291] [2019-12-27 18:51:42,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:51:42,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 18:51:42,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1227969912] [2019-12-27 18:51:42,695 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:51:42,696 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:51:42,698 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 12 states and 11 transitions. [2019-12-27 18:51:42,698 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:51:42,699 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:51:42,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:51:42,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:51:42,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:51:42,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:51:42,700 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 4 states. [2019-12-27 18:51:42,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:51:42,711 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-12-27 18:51:42,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:51:42,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 18:51:42,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:51:42,711 INFO L225 Difference]: With dead ends: 11 [2019-12-27 18:51:42,711 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 18:51:42,712 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:51:42,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 18:51:42,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 18:51:42,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 18:51:42,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 18:51:42,713 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-12-27 18:51:42,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:51:42,713 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 18:51:42,713 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:51:42,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 18:51:42,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 18:51:42,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 06:51:42 BasicIcfg [2019-12-27 18:51:42,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 18:51:42,720 INFO L168 Benchmark]: Toolchain (without parser) took 4036.68 ms. Allocated memory was 145.2 MB in the beginning and 246.4 MB in the end (delta: 101.2 MB). Free memory was 101.8 MB in the beginning and 116.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2019-12-27 18:51:42,720 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 18:51:42,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.32 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.8 MB in the beginning and 159.3 MB in the end (delta: -57.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-12-27 18:51:42,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.36 ms. Allocated memory is still 202.4 MB. Free memory was 159.3 MB in the beginning and 157.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 18:51:42,723 INFO L168 Benchmark]: Boogie Preprocessor took 29.65 ms. Allocated memory is still 202.4 MB. Free memory was 157.3 MB in the beginning and 155.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-27 18:51:42,723 INFO L168 Benchmark]: RCFGBuilder took 465.46 ms. Allocated memory is still 202.4 MB. Free memory was 155.4 MB in the beginning and 134.9 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-12-27 18:51:42,724 INFO L168 Benchmark]: TraceAbstraction took 2832.65 ms. Allocated memory was 202.4 MB in the beginning and 246.4 MB in the end (delta: 44.0 MB). Free memory was 134.9 MB in the beginning and 116.5 MB in the end (delta: 18.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. [2019-12-27 18:51:42,728 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.32 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.8 MB in the beginning and 159.3 MB in the end (delta: -57.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 54.36 ms. Allocated memory is still 202.4 MB. Free memory was 159.3 MB in the beginning and 157.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.65 ms. Allocated memory is still 202.4 MB. Free memory was 157.3 MB in the beginning and 155.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 465.46 ms. Allocated memory is still 202.4 MB. Free memory was 155.4 MB in the beginning and 134.9 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2832.65 ms. Allocated memory was 202.4 MB in the beginning and 246.4 MB in the end (delta: 44.0 MB). Free memory was 134.9 MB in the beginning and 116.5 MB in the end (delta: 18.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.5s, 63 ProgramPointsBefore, 21 ProgramPointsAfterwards, 54 TransitionsBefore, 15 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 234 VarBasedMoverChecksPositive, 10 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 11 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 452 CheckedPairsTotal, 44 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 66 SDtfs, 48 SDslu, 71 SDs, 0 SdLazy, 56 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 1189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...