/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadJoinCorrectThreadId.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 14:02:56,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 14:02:56,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 14:02:56,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 14:02:56,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 14:02:56,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 14:02:56,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 14:02:56,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 14:02:56,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 14:02:56,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 14:02:56,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 14:02:56,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 14:02:56,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 14:02:56,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 14:02:56,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 14:02:56,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 14:02:56,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 14:02:56,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 14:02:56,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 14:02:56,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 14:02:56,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 14:02:56,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 14:02:56,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 14:02:56,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 14:02:56,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 14:02:56,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 14:02:56,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 14:02:56,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 14:02:56,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 14:02:56,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 14:02:56,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 14:02:56,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 14:02:56,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 14:02:56,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 14:02:56,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 14:02:56,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 14:02:56,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 14:02:56,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 14:02:56,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 14:02:56,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 14:02:56,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 14:02:56,497 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.epf [2021-03-11 14:02:56,530 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 14:02:56,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 14:02:56,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 14:02:56,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 14:02:56,533 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 14:02:56,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 14:02:56,534 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 14:02:56,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 14:02:56,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 14:02:56,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 14:02:56,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 14:02:56,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 14:02:56,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 14:02:56,535 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 14:02:56,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 14:02:56,536 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 14:02:56,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 14:02:56,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 14:02:56,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 14:02:56,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 14:02:56,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 14:02:56,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 14:02:56,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 14:02:56,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 14:02:56,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 14:02:56,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 14:02:56,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 14:02:56,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 14:02:56,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 14:02:56,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 14:02:56,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 14:02:56,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 14:02:56,824 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 14:02:56,825 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 14:02:56,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadJoinCorrectThreadId.c [2021-03-11 14:02:56,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7769ea39/7f76b26a35a9476ab598498fb1ecc9da/FLAGa30023e57 [2021-03-11 14:02:57,254 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 14:02:57,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadJoinCorrectThreadId.c [2021-03-11 14:02:57,255 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 14:02:57,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7769ea39/7f76b26a35a9476ab598498fb1ecc9da/FLAGa30023e57 [2021-03-11 14:02:57,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7769ea39/7f76b26a35a9476ab598498fb1ecc9da [2021-03-11 14:02:57,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 14:02:57,651 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 14:02:57,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 14:02:57,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 14:02:57,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 14:02:57,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:02:57" (1/1) ... [2021-03-11 14:02:57,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3f24ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57, skipping insertion in model container [2021-03-11 14:02:57,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:02:57" (1/1) ... [2021-03-11 14:02:57,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 14:02:57,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 14:02:57,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 14:02:57,774 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 14:02:57,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 14:02:57,793 INFO L208 MainTranslator]: Completed translation [2021-03-11 14:02:57,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57 WrapperNode [2021-03-11 14:02:57,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 14:02:57,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 14:02:57,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 14:02:57,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 14:02:57,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57" (1/1) ... [2021-03-11 14:02:57,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57" (1/1) ... [2021-03-11 14:02:57,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 14:02:57,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 14:02:57,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 14:02:57,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 14:02:57,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57" (1/1) ... [2021-03-11 14:02:57,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57" (1/1) ... [2021-03-11 14:02:57,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57" (1/1) ... [2021-03-11 14:02:57,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57" (1/1) ... [2021-03-11 14:02:57,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57" (1/1) ... [2021-03-11 14:02:57,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57" (1/1) ... [2021-03-11 14:02:57,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57" (1/1) ... [2021-03-11 14:02:57,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 14:02:57,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 14:02:57,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 14:02:57,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 14:02:57,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57" (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 [2021-03-11 14:02:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 14:02:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-03-11 14:02:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-03-11 14:02:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-11 14:02:57,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-11 14:02:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 14:02:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 14:02:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 14:02:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 14:02:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 14:02:57,939 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 14:02:58,166 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 14:02:58,166 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-11 14:02:58,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:02:58 BoogieIcfgContainer [2021-03-11 14:02:58,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 14:02:58,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 14:02:58,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 14:02:58,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 14:02:58,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 02:02:57" (1/3) ... [2021-03-11 14:02:58,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58af998b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:02:58, skipping insertion in model container [2021-03-11 14:02:58,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:02:57" (2/3) ... [2021-03-11 14:02:58,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58af998b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:02:58, skipping insertion in model container [2021-03-11 14:02:58,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:02:58" (3/3) ... [2021-03-11 14:02:58,173 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadJoinCorrectThreadId.c [2021-03-11 14:02:58,177 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 14:02:58,177 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 14:02:58,180 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 14:02:58,180 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 14:02:58,202 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,202 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,202 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,202 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,202 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,202 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,203 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,203 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,203 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,203 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,203 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,203 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,204 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,204 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,204 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,204 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,204 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,204 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,205 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,205 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,205 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,205 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,205 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,205 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,206 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,206 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,206 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,206 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,206 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,206 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,207 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,207 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,207 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,207 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,207 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,207 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,208 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,208 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,208 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,208 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,211 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,211 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,214 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,214 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,214 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,215 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,215 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,215 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,215 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,215 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,217 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,217 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,217 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,218 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 14:02:58,231 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-03-11 14:02:58,245 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-11 14:02:58,261 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 14:02:58,261 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 14:02:58,261 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 14:02:58,261 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 14:02:58,261 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 14:02:58,262 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 14:02:58,262 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 14:02:58,262 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 14:02:58,277 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 14:02:58,285 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 50 transitions, 128 flow [2021-03-11 14:02:58,287 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 50 transitions, 128 flow [2021-03-11 14:02:58,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 50 transitions, 128 flow [2021-03-11 14:02:58,336 INFO L129 PetriNetUnfolder]: 4/51 cut-off events. [2021-03-11 14:02:58,336 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-11 14:02:58,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 51 events. 4/51 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 37. Up to 5 conditions per place. [2021-03-11 14:02:58,339 INFO L116 LiptonReduction]: Number of co-enabled transitions 128 [2021-03-11 14:02:59,291 INFO L131 LiptonReduction]: Checked pairs total: 371 [2021-03-11 14:02:59,292 INFO L133 LiptonReduction]: Total number of compositions: 33 [2021-03-11 14:02:59,298 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 70 flow [2021-03-11 14:02:59,304 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 32 states, 28 states have (on average 1.75) internal successors, (49), 31 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:59,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 28 states have (on average 1.75) internal successors, (49), 31 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:59,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-03-11 14:02:59,309 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:02:59,309 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:02:59,310 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thread0Thread1of1ForFork1Err0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:02:59,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:02:59,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1884984854, now seen corresponding path program 1 times [2021-03-11 14:02:59,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:02:59,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575463317] [2021-03-11 14:02:59,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:02:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:02:59,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 14:02:59,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 14:02:59,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 14:02:59,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 14:02:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:02:59,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575463317] [2021-03-11 14:02:59,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:02:59,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 14:02:59,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262296856] [2021-03-11 14:02:59,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 14:02:59,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:02:59,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 14:02:59,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 14:02:59,522 INFO L87 Difference]: Start difference. First operand has 32 states, 28 states have (on average 1.75) internal successors, (49), 31 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:59,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:02:59,584 INFO L93 Difference]: Finished difference Result 41 states and 60 transitions. [2021-03-11 14:02:59,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 14:02:59,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-03-11 14:02:59,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:02:59,593 INFO L225 Difference]: With dead ends: 41 [2021-03-11 14:02:59,593 INFO L226 Difference]: Without dead ends: 38 [2021-03-11 14:02:59,594 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.9ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-11 14:02:59,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-03-11 14:02:59,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2021-03-11 14:02:59,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 32 states have (on average 1.625) internal successors, (52), 33 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:59,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 52 transitions. [2021-03-11 14:02:59,624 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 52 transitions. Word has length 9 [2021-03-11 14:02:59,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:02:59,624 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 52 transitions. [2021-03-11 14:02:59,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2021-03-11 14:02:59,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-03-11 14:02:59,626 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:02:59,626 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:02:59,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 14:02:59,626 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thread0Thread1of1ForFork1Err0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:02:59,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:02:59,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1023731740, now seen corresponding path program 2 times [2021-03-11 14:02:59,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:02:59,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458436328] [2021-03-11 14:02:59,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:02:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:02:59,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 14:02:59,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 14:02:59,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 14:02:59,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 14:02:59,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 14:02:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:02:59,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458436328] [2021-03-11 14:02:59,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:02:59,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 14:02:59,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955748201] [2021-03-11 14:02:59,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 14:02:59,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:02:59,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 14:02:59,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-11 14:02:59,726 INFO L87 Difference]: Start difference. First operand 34 states and 52 transitions. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:59,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:02:59,801 INFO L93 Difference]: Finished difference Result 42 states and 62 transitions. [2021-03-11 14:02:59,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 14:02:59,802 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-03-11 14:02:59,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:02:59,804 INFO L225 Difference]: With dead ends: 42 [2021-03-11 14:02:59,804 INFO L226 Difference]: Without dead ends: 42 [2021-03-11 14:02:59,805 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 39.6ms TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-03-11 14:02:59,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-03-11 14:02:59,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2021-03-11 14:02:59,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.6451612903225807) internal successors, (51), 32 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 51 transitions. [2021-03-11 14:02:59,813 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 51 transitions. Word has length 9 [2021-03-11 14:02:59,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:02:59,813 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 51 transitions. [2021-03-11 14:02:59,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2021-03-11 14:02:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-03-11 14:02:59,813 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:02:59,814 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:02:59,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 14:02:59,814 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thread0Thread1of1ForFork1Err0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:02:59,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:02:59,815 INFO L82 PathProgramCache]: Analyzing trace with hash 691264180, now seen corresponding path program 3 times [2021-03-11 14:02:59,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:02:59,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820408671] [2021-03-11 14:02:59,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:02:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:02:59,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 14:02:59,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 14:02:59,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 14:02:59,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 14:02:59,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 14:02:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:02:59,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820408671] [2021-03-11 14:02:59,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:02:59,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 14:02:59,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581711502] [2021-03-11 14:02:59,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 14:02:59,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:02:59,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 14:02:59,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-11 14:02:59,884 INFO L87 Difference]: Start difference. First operand 33 states and 51 transitions. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:59,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:02:59,947 INFO L93 Difference]: Finished difference Result 31 states and 44 transitions. [2021-03-11 14:02:59,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 14:02:59,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-03-11 14:02:59,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:02:59,949 INFO L225 Difference]: With dead ends: 31 [2021-03-11 14:02:59,949 INFO L226 Difference]: Without dead ends: 31 [2021-03-11 14:02:59,950 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 42.5ms TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-03-11 14:02:59,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-03-11 14:02:59,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 23. [2021-03-11 14:02:59,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:59,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 34 transitions. [2021-03-11 14:02:59,954 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 34 transitions. Word has length 9 [2021-03-11 14:02:59,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:02:59,954 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 34 transitions. [2021-03-11 14:02:59,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:02:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2021-03-11 14:02:59,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-03-11 14:02:59,955 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 14:02:59,955 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 14:02:59,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 14:02:59,958 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thread0Thread1of1ForFork1Err0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, thread0Err2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 14:02:59,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 14:02:59,960 INFO L82 PathProgramCache]: Analyzing trace with hash -422961777, now seen corresponding path program 1 times [2021-03-11 14:02:59,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 14:02:59,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371521764] [2021-03-11 14:02:59,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 14:02:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 14:02:59,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 14:02:59,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 14:02:59,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 14:02:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 14:02:59,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371521764] [2021-03-11 14:02:59,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 14:02:59,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 14:02:59,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446254716] [2021-03-11 14:03:00,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 14:03:00,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 14:03:00,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 14:03:00,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 14:03:00,001 INFO L87 Difference]: Start difference. First operand 23 states and 34 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:03:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 14:03:00,004 INFO L93 Difference]: Finished difference Result 22 states and 33 transitions. [2021-03-11 14:03:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 14:03:00,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-03-11 14:03:00,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 14:03:00,004 INFO L225 Difference]: With dead ends: 22 [2021-03-11 14:03:00,005 INFO L226 Difference]: Without dead ends: 0 [2021-03-11 14:03:00,005 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 14:03:00,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-03-11 14:03:00,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-03-11 14:03:00,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:03:00,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-03-11 14:03:00,005 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-03-11 14:03:00,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 14:03:00,005 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-03-11 14:03:00,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 14:03:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-03-11 14:03:00,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-11 14:03:00,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 14:03:00,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 02:03:00 BasicIcfg [2021-03-11 14:03:00,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 14:03:00,013 INFO L168 Benchmark]: Toolchain (without parser) took 2362.03 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 234.0 MB in the beginning and 244.6 MB in the end (delta: -10.7 MB). Peak memory consumption was 94.4 MB. Max. memory is 16.0 GB. [2021-03-11 14:03:00,014 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:03:00,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.66 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 224.8 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-11 14:03:00,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.70 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 224.8 MB in the beginning and 344.6 MB in the end (delta: -119.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 14:03:00,015 INFO L168 Benchmark]: Boogie Preprocessor took 25.23 ms. Allocated memory is still 360.7 MB. Free memory was 344.6 MB in the beginning and 343.6 MB in the end (delta: 984.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:03:00,015 INFO L168 Benchmark]: RCFGBuilder took 284.21 ms. Allocated memory is still 360.7 MB. Free memory was 343.6 MB in the beginning and 330.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-11 14:03:00,018 INFO L168 Benchmark]: TraceAbstraction took 1840.04 ms. Allocated memory is still 360.7 MB. Free memory was 329.5 MB in the beginning and 244.6 MB in the end (delta: 84.8 MB). Peak memory consumption was 87.9 MB. Max. memory is 16.0 GB. [2021-03-11 14:03:00,022 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 141.66 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 224.8 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 62.70 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 224.8 MB in the beginning and 344.6 MB in the end (delta: -119.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.23 ms. Allocated memory is still 360.7 MB. Free memory was 344.6 MB in the beginning and 343.6 MB in the end (delta: 984.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 284.21 ms. Allocated memory is still 360.7 MB. Free memory was 343.6 MB in the beginning and 330.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1840.04 ms. Allocated memory is still 360.7 MB. Free memory was 329.5 MB in the beginning and 244.6 MB in the end (delta: 84.8 MB). Peak memory consumption was 87.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1004.7ms, 53 PlacesBefore, 25 PlacesAfterwards, 50 TransitionsBefore, 21 TransitionsAfterwards, 128 CoEnabledTransitionPairs, 4 FixpointIterations, 12 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 33 TotalNumberOfCompositions, 371 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 285, positive: 263, positive conditional: 0, positive unconditional: 263, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 96, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 96, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 285, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 96, unknown conditional: 0, unknown unconditional: 96] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1747.3ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 7.1ms, AutomataDifference: 238.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1042.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 58 SDtfs, 81 SDslu, 65 SDs, 0 SdLazy, 106 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 71.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 112.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=1, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 31.8ms AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.6ms SsaConstructionTime, 74.5ms SatisfiabilityAnalysisTime, 215.3ms InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...