/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/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-17 22:36:37,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-17 22:36:37,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-17 22:36:37,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-17 22:36:37,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-17 22:36:37,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-17 22:36:37,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-17 22:36:37,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-17 22:36:37,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-17 22:36:37,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-17 22:36:37,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-17 22:36:37,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-17 22:36:37,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-17 22:36:37,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-17 22:36:37,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-17 22:36:37,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-17 22:36:37,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-17 22:36:37,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-17 22:36:37,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-17 22:36:37,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-17 22:36:37,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-17 22:36:37,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-17 22:36:37,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-17 22:36:37,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-17 22:36:37,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-17 22:36:37,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-17 22:36:37,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-17 22:36:37,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-17 22:36:37,494 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 22:36:37,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-17 22:36:37,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-17 22:36:37,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-17 22:36:37,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-17 22:36:37,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-17 22:36:37,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-17 22:36:37,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-17 22:36:37,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-17 22:36:37,510 INFO L138 SettingsManager]: * Use SBE=true [2022-01-17 22:36:37,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-17 22:36:37,511 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-17 22:36:37,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-17 22:36:37,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-17 22:36:37,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-17 22:36:37,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-17 22:36:37,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-17 22:36:37,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-17 22:36:37,512 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-17 22:36:37,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-17 22:36:37,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-17 22:36:37,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-17 22:36:37,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-17 22:36:37,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-17 22:36:37,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-17 22:36:37,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-17 22:36:37,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:36:37,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-17 22:36:37,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-17 22:36:37,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-17 22:36:37,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-17 22:36:37,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-17 22:36:37,514 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-17 22:36:37,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-17 22:36:37,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-17 22:36:37,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-17 22:36:37,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-17 22:36:37,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-17 22:36:37,713 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-17 22:36:37,713 INFO L275 PluginConnector]: CDTParser initialized [2022-01-17 22:36:37,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2022-01-17 22:36:37,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d50f71c/5110e35d3a9841cc918735dd2826fc8d/FLAG305b25fed [2022-01-17 22:36:38,143 INFO L306 CDTParser]: Found 1 translation units. [2022-01-17 22:36:38,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2022-01-17 22:36:38,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d50f71c/5110e35d3a9841cc918735dd2826fc8d/FLAG305b25fed [2022-01-17 22:36:38,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d50f71c/5110e35d3a9841cc918735dd2826fc8d [2022-01-17 22:36:38,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-17 22:36:38,162 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-17 22:36:38,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-17 22:36:38,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-17 22:36:38,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-17 22:36:38,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:36:38" (1/1) ... [2022-01-17 22:36:38,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277b9c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38, skipping insertion in model container [2022-01-17 22:36:38,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:36:38" (1/1) ... [2022-01-17 22:36:38,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-17 22:36:38,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-17 22:36:38,492 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/stateful01-1.i[30826,30839] [2022-01-17 22:36:38,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:36:38,501 INFO L203 MainTranslator]: Completed pre-run [2022-01-17 22:36:38,530 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/stateful01-1.i[30826,30839] [2022-01-17 22:36:38,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:36:38,562 INFO L208 MainTranslator]: Completed translation [2022-01-17 22:36:38,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38 WrapperNode [2022-01-17 22:36:38,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-17 22:36:38,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-17 22:36:38,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-17 22:36:38,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-17 22:36:38,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38" (1/1) ... [2022-01-17 22:36:38,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38" (1/1) ... [2022-01-17 22:36:38,604 INFO L137 Inliner]: procedures = 168, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2022-01-17 22:36:38,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-17 22:36:38,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-17 22:36:38,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-17 22:36:38,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-17 22:36:38,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38" (1/1) ... [2022-01-17 22:36:38,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38" (1/1) ... [2022-01-17 22:36:38,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38" (1/1) ... [2022-01-17 22:36:38,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38" (1/1) ... [2022-01-17 22:36:38,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38" (1/1) ... [2022-01-17 22:36:38,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38" (1/1) ... [2022-01-17 22:36:38,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38" (1/1) ... [2022-01-17 22:36:38,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-17 22:36:38,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-17 22:36:38,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-17 22:36:38,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-17 22:36:38,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38" (1/1) ... [2022-01-17 22:36:38,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:36:38,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:36:38,655 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 22:36:38,667 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 22:36:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-17 22:36:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-17 22:36:38,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-17 22:36:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-17 22:36:38,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-17 22:36:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-17 22:36:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-17 22:36:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-17 22:36:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-17 22:36:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-17 22:36:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-17 22:36:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-17 22:36:38,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-17 22:36:38,692 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 22:36:38,765 INFO L234 CfgBuilder]: Building ICFG [2022-01-17 22:36:38,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-17 22:36:38,939 INFO L275 CfgBuilder]: Performing block encoding [2022-01-17 22:36:38,943 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-17 22:36:38,944 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-17 22:36:38,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:36:38 BoogieIcfgContainer [2022-01-17 22:36:38,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-17 22:36:38,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-17 22:36:38,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-17 22:36:38,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-17 22:36:38,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.01 10:36:38" (1/3) ... [2022-01-17 22:36:38,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4bb318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:36:38, skipping insertion in model container [2022-01-17 22:36:38,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:36:38" (2/3) ... [2022-01-17 22:36:38,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4bb318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:36:38, skipping insertion in model container [2022-01-17 22:36:38,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:36:38" (3/3) ... [2022-01-17 22:36:38,950 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2022-01-17 22:36:38,953 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-17 22:36:38,953 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-17 22:36:38,953 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-17 22:36:38,953 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-17 22:36:38,976 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,977 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,977 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,977 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,977 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,977 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,977 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,977 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,978 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,978 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,978 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,978 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,978 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,979 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,979 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,979 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,979 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,979 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,980 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,980 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,980 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,980 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,980 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,981 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,982 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,982 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,982 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,982 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,982 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,983 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,983 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,983 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,983 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,983 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,983 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,983 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,984 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,989 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,989 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,992 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,992 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,992 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,992 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,992 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,992 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:36:38,995 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-17 22:36:39,029 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 22:36:39,034 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 22:36:39,034 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-17 22:36:39,041 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 99 places, 93 transitions, 202 flow [2022-01-17 22:36:39,109 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 942 states, 941 states have (on average 2.4410201912858662) internal successors, (2297), 941 states have internal predecessors, (2297), 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 22:36:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 942 states, 941 states have (on average 2.4410201912858662) internal successors, (2297), 941 states have internal predecessors, (2297), 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 22:36:39,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-01-17 22:36:39,132 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:36:39,133 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, 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 22:36:39,133 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-17 22:36:39,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:36:39,137 INFO L85 PathProgramCache]: Analyzing trace with hash 889810029, now seen corresponding path program 1 times [2022-01-17 22:36:39,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:36:39,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116679721] [2022-01-17 22:36:39,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:36:39,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:36:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:36:39,398 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 22:36:39,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:36:39,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116679721] [2022-01-17 22:36:39,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116679721] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:36:39,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:36:39,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 22:36:39,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212040143] [2022-01-17 22:36:39,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:36:39,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:36:39,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:36:39,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:36:39,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:36:39,437 INFO L87 Difference]: Start difference. First operand has 942 states, 941 states have (on average 2.4410201912858662) internal successors, (2297), 941 states have internal predecessors, (2297), 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 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 22:36:39,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:36:39,506 INFO L93 Difference]: Finished difference Result 702 states and 1509 transitions. [2022-01-17 22:36:39,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:36:39,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2022-01-17 22:36:39,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:36:39,523 INFO L225 Difference]: With dead ends: 702 [2022-01-17 22:36:39,524 INFO L226 Difference]: Without dead ends: 702 [2022-01-17 22:36:39,525 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 22:36:39,527 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 29 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:36:39,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 136 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:36:39,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2022-01-17 22:36:39,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2022-01-17 22:36:39,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 701 states have (on average 2.152639087018545) internal successors, (1509), 701 states have internal predecessors, (1509), 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 22:36:39,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1509 transitions. [2022-01-17 22:36:39,586 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1509 transitions. Word has length 80 [2022-01-17 22:36:39,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:36:39,587 INFO L470 AbstractCegarLoop]: Abstraction has 702 states and 1509 transitions. [2022-01-17 22:36:39,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 22:36:39,587 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1509 transitions. [2022-01-17 22:36:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-01-17 22:36:39,589 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:36:39,589 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, 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 22:36:39,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-17 22:36:39,590 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-17 22:36:39,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:36:39,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1105539045, now seen corresponding path program 2 times [2022-01-17 22:36:39,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:36:39,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773679958] [2022-01-17 22:36:39,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:36:39,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:36:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 22:36:39,654 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-17 22:36:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-17 22:36:39,705 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-17 22:36:39,706 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-17 22:36:39,707 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-17 22:36:39,708 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-17 22:36:39,708 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-17 22:36:39,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-17 22:36:39,710 INFO L732 BasicCegarLoop]: Path program histogram: [2] [2022-01-17 22:36:39,712 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-17 22:36:39,712 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-17 22:36:39,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.01 10:36:39 BasicIcfg [2022-01-17 22:36:39,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-17 22:36:39,748 INFO L158 Benchmark]: Toolchain (without parser) took 1586.01ms. Allocated memory was 348.1MB in the beginning and 440.4MB in the end (delta: 92.3MB). Free memory was 293.2MB in the beginning and 313.8MB in the end (delta: -20.6MB). Peak memory consumption was 71.2MB. Max. memory is 16.0GB. [2022-01-17 22:36:39,748 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 348.1MB. Free memory is still 310.8MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 22:36:39,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.85ms. Allocated memory was 348.1MB in the beginning and 440.4MB in the end (delta: 92.3MB). Free memory was 293.0MB in the beginning and 405.1MB in the end (delta: -112.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.0GB. [2022-01-17 22:36:39,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.60ms. Allocated memory is still 440.4MB. Free memory was 405.1MB in the beginning and 403.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 22:36:39,749 INFO L158 Benchmark]: Boogie Preprocessor took 23.87ms. Allocated memory is still 440.4MB. Free memory was 403.0MB in the beginning and 401.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 22:36:39,750 INFO L158 Benchmark]: RCFGBuilder took 315.42ms. Allocated memory is still 440.4MB. Free memory was 401.9MB in the beginning and 386.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-17 22:36:39,750 INFO L158 Benchmark]: TraceAbstraction took 801.43ms. Allocated memory is still 440.4MB. Free memory was 386.2MB in the beginning and 313.8MB in the end (delta: 72.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.0GB. [2022-01-17 22:36:39,752 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 348.1MB. Free memory is still 310.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 398.85ms. Allocated memory was 348.1MB in the beginning and 440.4MB in the end (delta: 92.3MB). Free memory was 293.0MB in the beginning and 405.1MB in the end (delta: -112.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 41.60ms. Allocated memory is still 440.4MB. Free memory was 405.1MB in the beginning and 403.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 23.87ms. Allocated memory is still 440.4MB. Free memory was 403.0MB in the beginning and 401.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 315.42ms. Allocated memory is still 440.4MB. Free memory was 401.9MB in the beginning and 386.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 801.43ms. Allocated memory is still 440.4MB. Free memory was 386.2MB in the beginning and 313.8MB in the end (delta: 72.4MB). Peak memory consumption was 73.4MB. 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: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; VAL [ma={3:0}, mb={4:0}] [L693] 0 int data1, data2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}] [L716] 0 pthread_t t1, t2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L719] 0 data1 = 10 VAL [data1=10, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L720] 0 data2 = 10 VAL [data1=10, data2=10, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t1, 0, thread1, 0)=-2, t1={6:0}, t2={5:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t2, 0, thread2, 0)=-1, t1={6:0}, t2={5:0}] [L723] 0 \read(t1) VAL [\read(t1)=-2, arg={0:0}, arg={0:0}, arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L707] 2 data1+=5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=10, ma={3:0}, mb={4:0}] [L710] 2 data2-=6 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=4, ma={3:0}, mb={4:0}] [L712] 2 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=4, ma={3:0}, mb={4:0}] [L697] 1 data1++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=4, ma={3:0}, mb={4:0}] [L700] 1 data2++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L702] 1 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=-2, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] 0 \read(t2) VAL [\read(t2)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L725] COND TRUE 0 data1==16 && data2==5 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L727] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] - UnprovableResult [Line: 721]: 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: 722]: 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 5 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 88 mSDtfsCounter, 26 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=942occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 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 RESULT: Ultimate proved your program to be incorrect! [2022-01-17 22:36:39,778 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...