/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/svcomp/pthread/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-17 22:09:37,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-17 22:09:37,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-17 22:09:37,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-17 22:09:37,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-17 22:09:37,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-17 22:09:37,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-17 22:09:37,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-17 22:09:37,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-17 22:09:37,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-17 22:09:37,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-17 22:09:37,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-17 22:09:37,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-17 22:09:37,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-17 22:09:37,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-17 22:09:37,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-17 22:09:37,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-17 22:09:37,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-17 22:09:37,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-17 22:09:37,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-17 22:09:37,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-17 22:09:37,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-17 22:09:37,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-17 22:09:37,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-17 22:09:37,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-17 22:09:37,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-17 22:09:37,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-17 22:09:37,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-17 22:09:37,372 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 [2022-01-17 22:09:37,394 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-17 22:09:37,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-17 22:09:37,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-17 22:09:37,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-17 22:09:37,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-17 22:09:37,395 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-17 22:09:37,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-17 22:09:37,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-17 22:09:37,396 INFO L138 SettingsManager]: * Use SBE=true [2022-01-17 22:09:37,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-17 22:09:37,396 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-17 22:09:37,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-17 22:09:37,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-17 22:09:37,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-17 22:09:37,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-17 22:09:37,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-17 22:09:37,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-17 22:09:37,397 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-17 22:09:37,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-17 22:09:37,397 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-17 22:09:37,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-17 22:09:37,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-17 22:09:37,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-17 22:09:37,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-17 22:09:37,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-17 22:09:37,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:09:37,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-17 22:09:37,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-17 22:09:37,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-17 22:09:37,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-17 22:09:37,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-17 22:09:37,399 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-17 22:09:37,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-17 22:09:37,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-17 22:09:37,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-17 22:09:37,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-17 22:09:37,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-17 22:09:37,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-17 22:09:37,556 INFO L275 PluginConnector]: CDTParser initialized [2022-01-17 22:09:37,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2022-01-17 22:09:37,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f26e118e/5d77b302ef4e42dcbe7d27336c872cc3/FLAG6c6510255 [2022-01-17 22:09:38,048 INFO L306 CDTParser]: Found 1 translation units. [2022-01-17 22:09:38,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2022-01-17 22:09:38,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f26e118e/5d77b302ef4e42dcbe7d27336c872cc3/FLAG6c6510255 [2022-01-17 22:09:38,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f26e118e/5d77b302ef4e42dcbe7d27336c872cc3 [2022-01-17 22:09:38,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-17 22:09:38,075 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-17 22:09:38,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-17 22:09:38,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-17 22:09:38,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-17 22:09:38,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:09:38" (1/1) ... [2022-01-17 22:09:38,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17aee7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38, skipping insertion in model container [2022-01-17 22:09:38,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:09:38" (1/1) ... [2022-01-17 22:09:38,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-17 22:09:38,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-17 22:09:38,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i[31042,31055] [2022-01-17 22:09:38,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:09:38,404 INFO L203 MainTranslator]: Completed pre-run [2022-01-17 22:09:38,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i[31042,31055] [2022-01-17 22:09:38,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:09:38,451 INFO L208 MainTranslator]: Completed translation [2022-01-17 22:09:38,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38 WrapperNode [2022-01-17 22:09:38,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-17 22:09:38,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-17 22:09:38,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-17 22:09:38,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-17 22:09:38,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38" (1/1) ... [2022-01-17 22:09:38,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38" (1/1) ... [2022-01-17 22:09:38,476 INFO L137 Inliner]: procedures = 169, calls = 33, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2022-01-17 22:09:38,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-17 22:09:38,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-17 22:09:38,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-17 22:09:38,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-17 22:09:38,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38" (1/1) ... [2022-01-17 22:09:38,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38" (1/1) ... [2022-01-17 22:09:38,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38" (1/1) ... [2022-01-17 22:09:38,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38" (1/1) ... [2022-01-17 22:09:38,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38" (1/1) ... [2022-01-17 22:09:38,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38" (1/1) ... [2022-01-17 22:09:38,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38" (1/1) ... [2022-01-17 22:09:38,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-17 22:09:38,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-17 22:09:38,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-17 22:09:38,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-17 22:09:38,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38" (1/1) ... [2022-01-17 22:09:38,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:09:38,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:09:38,532 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) [2022-01-17 22:09:38,547 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 [2022-01-17 22:09:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-17 22:09:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-17 22:09:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-17 22:09:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-17 22:09:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-17 22:09:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-17 22:09:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-17 22:09:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-17 22:09:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-17 22:09:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-17 22:09:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-17 22:09:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-17 22:09:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-17 22:09:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-17 22:09:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-17 22:09:38,566 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-17 22:09:38,685 INFO L234 CfgBuilder]: Building ICFG [2022-01-17 22:09:38,686 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-17 22:09:38,876 INFO L275 CfgBuilder]: Performing block encoding [2022-01-17 22:09:38,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-17 22:09:38,881 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-17 22:09:38,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:09:38 BoogieIcfgContainer [2022-01-17 22:09:38,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-17 22:09:38,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-17 22:09:38,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-17 22:09:38,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-17 22:09:38,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.01 10:09:38" (1/3) ... [2022-01-17 22:09:38,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ef6913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:09:38, skipping insertion in model container [2022-01-17 22:09:38,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:09:38" (2/3) ... [2022-01-17 22:09:38,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ef6913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:09:38, skipping insertion in model container [2022-01-17 22:09:38,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:09:38" (3/3) ... [2022-01-17 22:09:38,890 INFO L111 eAbstractionObserver]: Analyzing ICFG lazy01.i [2022-01-17 22:09:38,893 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-17 22:09:38,893 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-17 22:09:38,894 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-17 22:09:38,894 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-17 22:09:38,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,940 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,940 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,941 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,941 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,941 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,942 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,946 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,947 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,948 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,948 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,948 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,948 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,949 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,949 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,950 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,950 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,950 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,950 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,950 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,950 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,951 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,951 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,951 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,951 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,951 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,951 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,952 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,952 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,952 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,952 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,953 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,953 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,953 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,953 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,954 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,954 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,954 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,954 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,954 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,954 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,955 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,955 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,956 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,956 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,956 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,956 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,962 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,962 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,963 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,963 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,966 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,966 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,968 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,968 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,968 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,968 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,968 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,969 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:09:38,977 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-17 22:09:39,005 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 22:09:39,010 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 [2022-01-17 22:09:39,010 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-17 22:09:39,018 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 91 transitions, 206 flow [2022-01-17 22:09:39,137 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2650 states, 2649 states have (on average 3.150245375613439) internal successors, (8345), 2649 states have internal predecessors, (8345), 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) [2022-01-17 22:09:39,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 2650 states, 2649 states have (on average 3.150245375613439) internal successors, (8345), 2649 states have internal predecessors, (8345), 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) [2022-01-17 22:09:39,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-17 22:09:39,162 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:09:39,163 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, 1, 1, 1, 1, 1] [2022-01-17 22:09:39,163 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thread3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-17 22:09:39,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:09:39,169 INFO L85 PathProgramCache]: Analyzing trace with hash 992235864, now seen corresponding path program 1 times [2022-01-17 22:09:39,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:09:39,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300249002] [2022-01-17 22:09:39,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:09:39,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:09:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:09:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:09:39,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:09:39,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300249002] [2022-01-17 22:09:39,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300249002] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:09:39,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:09:39,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 22:09:39,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159888204] [2022-01-17 22:09:39,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:09:39,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:09:39,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:09:39,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:09:39,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:09:39,425 INFO L87 Difference]: Start difference. First operand has 2650 states, 2649 states have (on average 3.150245375613439) internal successors, (8345), 2649 states have internal predecessors, (8345), 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 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-01-17 22:09:39,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:09:39,523 INFO L93 Difference]: Finished difference Result 2490 states and 7745 transitions. [2022-01-17 22:09:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:09:39,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 45 [2022-01-17 22:09:39,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:09:39,550 INFO L225 Difference]: With dead ends: 2490 [2022-01-17 22:09:39,550 INFO L226 Difference]: Without dead ends: 2490 [2022-01-17 22:09:39,551 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 [2022-01-17 22:09:39,555 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 10 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:09:39,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 112 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:09:39,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states. [2022-01-17 22:09:39,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 2490. [2022-01-17 22:09:39,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2490 states, 2489 states have (on average 3.111691442346324) internal successors, (7745), 2489 states have internal predecessors, (7745), 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) [2022-01-17 22:09:39,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 7745 transitions. [2022-01-17 22:09:39,678 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 7745 transitions. Word has length 45 [2022-01-17 22:09:39,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:09:39,679 INFO L470 AbstractCegarLoop]: Abstraction has 2490 states and 7745 transitions. [2022-01-17 22:09:39,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-01-17 22:09:39,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 7745 transitions. [2022-01-17 22:09:39,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-01-17 22:09:39,684 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:09:39,684 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:09:39,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-17 22:09:39,685 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thread3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-17 22:09:39,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:09:39,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1694904598, now seen corresponding path program 1 times [2022-01-17 22:09:39,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:09:39,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369596557] [2022-01-17 22:09:39,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:09:39,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:09:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:09:39,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:09:39,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:09:39,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369596557] [2022-01-17 22:09:39,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369596557] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:09:39,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:09:39,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 22:09:39,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079763152] [2022-01-17 22:09:39,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:09:39,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:09:39,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:09:39,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:09:39,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:09:39,785 INFO L87 Difference]: Start difference. First operand 2490 states and 7745 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 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) [2022-01-17 22:09:39,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:09:39,832 INFO L93 Difference]: Finished difference Result 1492 states and 4033 transitions. [2022-01-17 22:09:39,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:09:39,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 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) Word has length 49 [2022-01-17 22:09:39,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:09:39,838 INFO L225 Difference]: With dead ends: 1492 [2022-01-17 22:09:39,838 INFO L226 Difference]: Without dead ends: 1460 [2022-01-17 22:09:39,840 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 [2022-01-17 22:09:39,842 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 28 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:09:39,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 131 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:09:39,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2022-01-17 22:09:39,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1460. [2022-01-17 22:09:39,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1457 states have (on average 2.707618393960192) internal successors, (3945), 1459 states have internal predecessors, (3945), 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) [2022-01-17 22:09:39,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 3945 transitions. [2022-01-17 22:09:39,877 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 3945 transitions. Word has length 49 [2022-01-17 22:09:39,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:09:39,878 INFO L470 AbstractCegarLoop]: Abstraction has 1460 states and 3945 transitions. [2022-01-17 22:09:39,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 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) [2022-01-17 22:09:39,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 3945 transitions. [2022-01-17 22:09:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-17 22:09:39,881 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:09:39,881 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:09:39,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-17 22:09:39,882 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-17 22:09:39,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:09:39,882 INFO L85 PathProgramCache]: Analyzing trace with hash -13228454, now seen corresponding path program 1 times [2022-01-17 22:09:39,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:09:39,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80144992] [2022-01-17 22:09:39,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:09:39,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:09:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:09:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:09:39,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:09:39,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80144992] [2022-01-17 22:09:39,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80144992] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:09:39,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:09:39,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 22:09:39,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403637309] [2022-01-17 22:09:39,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:09:39,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-17 22:09:39,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:09:39,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-17 22:09:39,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-17 22:09:39,979 INFO L87 Difference]: Start difference. First operand 1460 states and 3945 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2022-01-17 22:09:40,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:09:40,014 INFO L93 Difference]: Finished difference Result 1412 states and 3805 transitions. [2022-01-17 22:09:40,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-17 22:09:40,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2022-01-17 22:09:40,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:09:40,020 INFO L225 Difference]: With dead ends: 1412 [2022-01-17 22:09:40,020 INFO L226 Difference]: Without dead ends: 1364 [2022-01-17 22:09:40,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-17 22:09:40,025 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 44 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:09:40,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 158 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:09:40,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2022-01-17 22:09:40,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1364. [2022-01-17 22:09:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1362 states have (on average 2.6908957415565347) internal successors, (3665), 1363 states have internal predecessors, (3665), 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) [2022-01-17 22:09:40,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 3665 transitions. [2022-01-17 22:09:40,055 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 3665 transitions. Word has length 50 [2022-01-17 22:09:40,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:09:40,056 INFO L470 AbstractCegarLoop]: Abstraction has 1364 states and 3665 transitions. [2022-01-17 22:09:40,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2022-01-17 22:09:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 3665 transitions. [2022-01-17 22:09:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-17 22:09:40,059 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:09:40,059 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:09:40,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-17 22:09:40,059 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-17 22:09:40,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:09:40,060 INFO L85 PathProgramCache]: Analyzing trace with hash 268194072, now seen corresponding path program 1 times [2022-01-17 22:09:40,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:09:40,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352847835] [2022-01-17 22:09:40,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:09:40,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:09:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:09:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:09:40,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:09:40,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352847835] [2022-01-17 22:09:40,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352847835] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:09:40,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:09:40,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-17 22:09:40,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970242567] [2022-01-17 22:09:40,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:09:40,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 22:09:40,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:09:40,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 22:09:40,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:09:40,148 INFO L87 Difference]: Start difference. First operand 1364 states and 3665 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 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) [2022-01-17 22:09:40,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:09:40,208 INFO L93 Difference]: Finished difference Result 1304 states and 3495 transitions. [2022-01-17 22:09:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-17 22:09:40,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 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) Word has length 52 [2022-01-17 22:09:40,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:09:40,213 INFO L225 Difference]: With dead ends: 1304 [2022-01-17 22:09:40,213 INFO L226 Difference]: Without dead ends: 1244 [2022-01-17 22:09:40,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-17 22:09:40,218 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 95 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:09:40,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 204 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:09:40,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-01-17 22:09:40,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1244. [2022-01-17 22:09:40,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1243 states have (on average 2.674979887369268) internal successors, (3325), 1243 states have internal predecessors, (3325), 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) [2022-01-17 22:09:40,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 3325 transitions. [2022-01-17 22:09:40,245 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 3325 transitions. Word has length 52 [2022-01-17 22:09:40,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:09:40,246 INFO L470 AbstractCegarLoop]: Abstraction has 1244 states and 3325 transitions. [2022-01-17 22:09:40,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 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) [2022-01-17 22:09:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 3325 transitions. [2022-01-17 22:09:40,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-17 22:09:40,248 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:09:40,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:09:40,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-17 22:09:40,248 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err0ASSERT_VIOLATIONERROR_FUNCTION === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-17 22:09:40,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:09:40,249 INFO L85 PathProgramCache]: Analyzing trace with hash -118034216, now seen corresponding path program 1 times [2022-01-17 22:09:40,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:09:40,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935861466] [2022-01-17 22:09:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:09:40,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:09:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 22:09:40,283 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-17 22:09:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 22:09:40,328 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-17 22:09:40,328 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-17 22:09:40,329 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread3Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-01-17 22:09:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-01-17 22:09:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2022-01-17 22:09:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2022-01-17 22:09:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 5 remaining) [2022-01-17 22:09:40,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-17 22:09:40,333 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-17 22:09:40,336 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-17 22:09:40,336 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-17 22:09:40,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.01 10:09:40 BasicIcfg [2022-01-17 22:09:40,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-17 22:09:40,383 INFO L158 Benchmark]: Toolchain (without parser) took 2308.12ms. Allocated memory was 385.9MB in the beginning and 503.3MB in the end (delta: 117.4MB). Free memory was 330.4MB in the beginning and 229.6MB in the end (delta: 100.8MB). Peak memory consumption was 218.4MB. Max. memory is 16.0GB. [2022-01-17 22:09:40,383 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 385.9MB. Free memory was 348.6MB in the beginning and 348.6MB in the end (delta: 69.5kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 22:09:40,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.36ms. Allocated memory was 385.9MB in the beginning and 503.3MB in the end (delta: 117.4MB). Free memory was 330.2MB in the beginning and 466.6MB in the end (delta: -136.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.0GB. [2022-01-17 22:09:40,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.12ms. Allocated memory is still 503.3MB. Free memory was 466.6MB in the beginning and 464.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 22:09:40,383 INFO L158 Benchmark]: Boogie Preprocessor took 24.96ms. Allocated memory is still 503.3MB. Free memory was 464.5MB in the beginning and 463.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 22:09:40,384 INFO L158 Benchmark]: RCFGBuilder took 382.48ms. Allocated memory is still 503.3MB. Free memory was 463.4MB in the beginning and 447.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2022-01-17 22:09:40,384 INFO L158 Benchmark]: TraceAbstraction took 1496.64ms. Allocated memory is still 503.3MB. Free memory was 446.7MB in the beginning and 229.6MB in the end (delta: 217.1MB). Peak memory consumption was 218.1MB. Max. memory is 16.0GB. [2022-01-17 22:09:40,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 385.9MB. Free memory was 348.6MB in the beginning and 348.6MB in the end (delta: 69.5kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 375.36ms. Allocated memory was 385.9MB in the beginning and 503.3MB in the end (delta: 117.4MB). Free memory was 330.2MB in the beginning and 466.6MB in the end (delta: -136.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 24.12ms. Allocated memory is still 503.3MB. Free memory was 466.6MB in the beginning and 464.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 24.96ms. Allocated memory is still 503.3MB. Free memory was 464.5MB in the beginning and 463.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 382.48ms. Allocated memory is still 503.3MB. Free memory was 463.4MB in the beginning and 447.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 1496.64ms. Allocated memory is still 503.3MB. Free memory was 446.7MB in the beginning and 229.6MB in the end (delta: 217.1MB). Peak memory consumption was 218.1MB. 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 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L702] 0 pthread_mutex_t mutex; VAL [mutex={3:0}] [L703] 0 int data = 0; VAL [data=0, mutex={3:0}] [L731] 0 pthread_t t1, t2, t3; VAL [data=0, mutex={3:0}, t1={6:0}, t2={7:0}, t3={5:0}] [L732] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data=0, mutex={3:0}, pthread_create(&t1, 0, thread1, 0)=-2, t1={6:0}, t2={7:0}, t3={5:0}] [L707] 1 data++ VAL [arg={0:0}, arg={0:0}, data=1, data++=0, mutex={3:0}] [L733] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data=1, data++=0, mutex={3:0}, pthread_create(&t2, 0, thread2, 0)=-1, t1={6:0}, t2={7:0}, t3={5:0}] [L714] 2 data+=2 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={3:0}] [L734] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={3:0}, pthread_create(&t3, 0, thread3, 0)=0, t1={6:0}, t2={7:0}, t3={5:0}] [L721] COND TRUE 3 data >= 3 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={3:0}] [L722] 3 reach_error() VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={3:0}] - UnprovableResult [Line: 734]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 733]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 732]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 123 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177 mSDsluCounter, 605 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 342 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 290 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2650occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 444 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 incorrect! [2022-01-17 22:09:40,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...