/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadJoinCorrectThreadId.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 03:43:28,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 03:43:28,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 03:43:28,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 03:43:28,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 03:43:28,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 03:43:28,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 03:43:28,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 03:43:28,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 03:43:28,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 03:43:28,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 03:43:28,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 03:43:28,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 03:43:28,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 03:43:28,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 03:43:28,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 03:43:28,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 03:43:28,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 03:43:28,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 03:43:28,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 03:43:28,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 03:43:28,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 03:43:28,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 03:43:28,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 03:43:28,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 03:43:28,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 03:43:28,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 03:43:28,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 03:43:28,847 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-NoLbe.epf [2022-01-18 03:43:28,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 03:43:28,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 03:43:28,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 03:43:28,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 03:43:28,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 03:43:28,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 03:43:28,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 03:43:28,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 03:43:28,878 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 03:43:28,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 03:43:28,879 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 03:43:28,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 03:43:28,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 03:43:28,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 03:43:28,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 03:43:28,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 03:43:28,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 03:43:28,880 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 03:43:28,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 03:43:28,880 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 03:43:28,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 03:43:28,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 03:43:28,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 03:43:28,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 03:43:28,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 03:43:28,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 03:43:28,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 03:43:28,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 03:43:28,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 03:43:28,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 03:43:28,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 03:43:28,881 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 03:43:28,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 03:43:28,881 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 03:43:29,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 03:43:29,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 03:43:29,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 03:43:29,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 03:43:29,115 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 03:43:29,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadJoinCorrectThreadId.c [2022-01-18 03:43:29,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0413e075/35236845c6984be789bf7f138f24fbec/FLAG991463a8a [2022-01-18 03:43:29,561 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 03:43:29,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadJoinCorrectThreadId.c [2022-01-18 03:43:29,562 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-01-18 03:43:29,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0413e075/35236845c6984be789bf7f138f24fbec/FLAG991463a8a [2022-01-18 03:43:29,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0413e075/35236845c6984be789bf7f138f24fbec [2022-01-18 03:43:29,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 03:43:29,612 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 03:43:29,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 03:43:29,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 03:43:29,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 03:43:29,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 03:43:29" (1/1) ... [2022-01-18 03:43:29,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dedb460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29, skipping insertion in model container [2022-01-18 03:43:29,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 03:43:29" (1/1) ... [2022-01-18 03:43:29,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 03:43:29,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 03:43:29,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 03:43:29,812 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 03:43:29,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 03:43:29,831 INFO L208 MainTranslator]: Completed translation [2022-01-18 03:43:29,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29 WrapperNode [2022-01-18 03:43:29,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 03:43:29,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 03:43:29,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 03:43:29,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 03:43:29,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29" (1/1) ... [2022-01-18 03:43:29,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29" (1/1) ... [2022-01-18 03:43:29,857 INFO L137 Inliner]: procedures = 9, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2022-01-18 03:43:29,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 03:43:29,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 03:43:29,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 03:43:29,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 03:43:29,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29" (1/1) ... [2022-01-18 03:43:29,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29" (1/1) ... [2022-01-18 03:43:29,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29" (1/1) ... [2022-01-18 03:43:29,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29" (1/1) ... [2022-01-18 03:43:29,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29" (1/1) ... [2022-01-18 03:43:29,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29" (1/1) ... [2022-01-18 03:43:29,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29" (1/1) ... [2022-01-18 03:43:29,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 03:43:29,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 03:43:29,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 03:43:29,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 03:43:29,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29" (1/1) ... [2022-01-18 03:43:29,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 03:43:29,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 03:43:29,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 03:43:29,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 03:43:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 03:43:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-01-18 03:43:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-01-18 03:43:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 03:43:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 03:43:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 03:43:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 03:43:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 03:43:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 03:43:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 03:43:29,931 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 03:43:29,984 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 03:43:29,985 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 03:43:30,078 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 03:43:30,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 03:43:30,084 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 03:43:30,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:43:30 BoogieIcfgContainer [2022-01-18 03:43:30,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 03:43:30,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 03:43:30,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 03:43:30,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 03:43:30,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 03:43:29" (1/3) ... [2022-01-18 03:43:30,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3ae1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 03:43:30, skipping insertion in model container [2022-01-18 03:43:30,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:43:29" (2/3) ... [2022-01-18 03:43:30,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3ae1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 03:43:30, skipping insertion in model container [2022-01-18 03:43:30,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:43:30" (3/3) ... [2022-01-18 03:43:30,103 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadJoinCorrectThreadId.c [2022-01-18 03:43:30,107 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 03:43:30,108 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 03:43:30,108 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 03:43:30,108 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 03:43:30,146 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,146 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,147 WARN L322 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,147 WARN L322 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,147 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,147 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,147 WARN L322 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,147 WARN L322 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,148 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,148 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,148 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,149 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,149 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,149 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,150 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,150 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,150 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,150 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,150 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,150 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,151 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,151 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,152 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,152 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,152 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,152 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,152 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,152 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,152 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,153 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,153 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,153 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,154 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,154 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,154 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,154 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,154 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,155 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,155 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,155 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,155 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,155 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,156 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,156 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,156 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,156 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,167 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,167 WARN L322 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,167 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,167 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,167 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,168 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,169 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,183 WARN L322 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,183 WARN L322 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,186 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,186 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,199 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,200 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,200 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:43:30,209 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-01-18 03:43:30,242 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 03:43:30,247 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 03:43:30,247 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-18 03:43:30,257 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 57 transitions, 133 flow [2022-01-18 03:43:30,289 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 134 states, 133 states have (on average 1.9323308270676691) internal successors, (257), 133 states have internal predecessors, (257), 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) [2022-01-18 03:43:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 133 states have (on average 1.9323308270676691) internal successors, (257), 133 states have internal predecessors, (257), 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) [2022-01-18 03:43:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-18 03:43:30,296 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:43:30,297 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:43:30,297 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread0Err2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, thread0Thread1of1ForFork0Err1INUSE_VIOLATION] === [2022-01-18 03:43:30,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:43:30,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1887963926, now seen corresponding path program 1 times [2022-01-18 03:43:30,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:43:30,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439674211] [2022-01-18 03:43:30,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:43:30,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:43:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:43:30,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:43:30,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:43:30,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439674211] [2022-01-18 03:43:30,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439674211] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:43:30,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:43:30,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 03:43:30,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136941212] [2022-01-18 03:43:30,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:43:30,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 03:43:30,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:43:30,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 03:43:30,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 03:43:30,520 INFO L87 Difference]: Start difference. First operand has 134 states, 133 states have (on average 1.9323308270676691) internal successors, (257), 133 states have internal predecessors, (257), 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 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-01-18 03:43:30,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:43:30,556 INFO L93 Difference]: Finished difference Result 132 states and 255 transitions. [2022-01-18 03:43:30,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 03:43:30,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 40 [2022-01-18 03:43:30,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:43:30,565 INFO L225 Difference]: With dead ends: 132 [2022-01-18 03:43:30,565 INFO L226 Difference]: Without dead ends: 0 [2022-01-18 03:43:30,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 03:43:30,569 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 3 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 03:43:30,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 64 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 03:43:30,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-18 03:43:30,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-18 03:43:30,584 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) [2022-01-18 03:43:30,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-18 03:43:30,585 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2022-01-18 03:43:30,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:43:30,585 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-18 03:43:30,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-01-18 03:43:30,586 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-18 03:43:30,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-18 03:43:30,587 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread0Err2INUSE_VIOLATION (3 of 4 remaining) [2022-01-18 03:43:30,588 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 4 remaining) [2022-01-18 03:43:30,588 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 4 remaining) [2022-01-18 03:43:30,588 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork0Err1INUSE_VIOLATION (0 of 4 remaining) [2022-01-18 03:43:30,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 03:43:30,591 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 03:43:30,593 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 03:43:30,593 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 03:43:30,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 03:43:30 BasicIcfg [2022-01-18 03:43:30,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 03:43:30,597 INFO L158 Benchmark]: Toolchain (without parser) took 984.19ms. Allocated memory is still 388.0MB. Free memory was 333.3MB in the beginning and 318.5MB in the end (delta: 14.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.0GB. [2022-01-18 03:43:30,597 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 388.0MB. Free memory is still 352.1MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 03:43:30,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.42ms. Allocated memory is still 388.0MB. Free memory was 333.1MB in the beginning and 361.7MB in the end (delta: -28.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.0GB. [2022-01-18 03:43:30,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.76ms. Allocated memory is still 388.0MB. Free memory was 361.7MB in the beginning and 360.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 03:43:30,598 INFO L158 Benchmark]: Boogie Preprocessor took 12.50ms. Allocated memory is still 388.0MB. Free memory was 360.4MB in the beginning and 359.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 03:43:30,599 INFO L158 Benchmark]: RCFGBuilder took 214.19ms. Allocated memory is still 388.0MB. Free memory was 359.2MB in the beginning and 349.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2022-01-18 03:43:30,599 INFO L158 Benchmark]: TraceAbstraction took 509.54ms. Allocated memory is still 388.0MB. Free memory was 348.8MB in the beginning and 318.5MB in the end (delta: 30.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. [2022-01-18 03:43:30,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 388.0MB. Free memory is still 352.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 217.42ms. Allocated memory is still 388.0MB. Free memory was 333.1MB in the beginning and 361.7MB in the end (delta: -28.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 24.76ms. Allocated memory is still 388.0MB. Free memory was 361.7MB in the beginning and 360.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 12.50ms. Allocated memory is still 388.0MB. Free memory was 360.4MB in the beginning and 359.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 214.19ms. Allocated memory is still 388.0MB. Free memory was 359.2MB in the beginning and 349.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * TraceAbstraction took 509.54ms. Allocated memory is still 388.0MB. Free memory was 348.8MB in the beginning and 318.5MB in the end (delta: 30.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 74 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 37 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-18 03:43:30,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...