/usr/bin/java -Xmx8000000000 -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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-0612a5f-m [2022-09-20 20:45:52,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-20 20:45:52,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-20 20:45:52,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-20 20:45:52,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-20 20:45:52,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-20 20:45:52,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-20 20:45:52,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-20 20:45:52,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-20 20:45:52,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-20 20:45:52,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-20 20:45:52,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-20 20:45:52,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-20 20:45:52,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-20 20:45:52,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-20 20:45:52,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-20 20:45:52,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-20 20:45:52,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-20 20:45:52,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-20 20:45:52,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-20 20:45:52,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-20 20:45:52,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-20 20:45:52,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-20 20:45:52,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-20 20:45:52,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-20 20:45:52,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-20 20:45:52,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-20 20:45:52,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-20 20:45:52,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-20 20:45:52,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-20 20:45:52,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-20 20:45:52,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-20 20:45:52,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-20 20:45:52,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-20 20:45:52,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-20 20:45:52,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-20 20:45:52,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-20 20:45:52,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-20 20:45:52,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-20 20:45:52,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-20 20:45:52,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-20 20:45:52,453 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-PN-NoLbe.epf [2022-09-20 20:45:52,482 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-20 20:45:52,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-20 20:45:52,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-20 20:45:52,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-20 20:45:52,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-20 20:45:52,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-20 20:45:52,484 INFO L138 SettingsManager]: * Use SBE=true [2022-09-20 20:45:52,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-20 20:45:52,484 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-20 20:45:52,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-20 20:45:52,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-20 20:45:52,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-20 20:45:52,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-20 20:45:52,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-20 20:45:52,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-20 20:45:52,486 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-20 20:45:52,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-20 20:45:52,486 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-20 20:45:52,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-20 20:45:52,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-20 20:45:52,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-20 20:45:52,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-20 20:45:52,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-20 20:45:52,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 20:45:52,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-20 20:45:52,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-20 20:45:52,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-20 20:45:52,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-20 20:45:52,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-20 20:45:52,488 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-20 20:45:52,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-20 20:45:52,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-20 20:45:52,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-20 20:45:52,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-20 20:45:52,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-20 20:45:52,735 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-20 20:45:52,737 INFO L275 PluginConnector]: CDTParser initialized [2022-09-20 20:45:52,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-09-20 20:45:52,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb0770d4/608cf168958148c0b3d51edc12a0eee3/FLAG828ba74a7 [2022-09-20 20:45:53,241 INFO L306 CDTParser]: Found 1 translation units. [2022-09-20 20:45:53,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-09-20 20:45:53,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb0770d4/608cf168958148c0b3d51edc12a0eee3/FLAG828ba74a7 [2022-09-20 20:45:53,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eb0770d4/608cf168958148c0b3d51edc12a0eee3 [2022-09-20 20:45:53,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-20 20:45:53,562 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-20 20:45:53,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-20 20:45:53,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-20 20:45:53,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-20 20:45:53,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:45:53" (1/1) ... [2022-09-20 20:45:53,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a1f1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:53, skipping insertion in model container [2022-09-20 20:45:53,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:45:53" (1/1) ... [2022-09-20 20:45:53,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-20 20:45:53,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-20 20:45:53,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-09-20 20:45:53,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 20:45:53,998 INFO L203 MainTranslator]: Completed pre-run [2022-09-20 20:45:54,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-09-20 20:45:54,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 20:45:54,104 INFO L208 MainTranslator]: Completed translation [2022-09-20 20:45:54,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:54 WrapperNode [2022-09-20 20:45:54,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-20 20:45:54,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-20 20:45:54,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-20 20:45:54,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-20 20:45:54,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:54" (1/1) ... [2022-09-20 20:45:54,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:54" (1/1) ... [2022-09-20 20:45:54,188 INFO L138 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-09-20 20:45:54,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-20 20:45:54,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-20 20:45:54,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-20 20:45:54,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-20 20:45:54,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:54" (1/1) ... [2022-09-20 20:45:54,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:54" (1/1) ... [2022-09-20 20:45:54,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:54" (1/1) ... [2022-09-20 20:45:54,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:54" (1/1) ... [2022-09-20 20:45:54,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:54" (1/1) ... [2022-09-20 20:45:54,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:54" (1/1) ... [2022-09-20 20:45:54,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:54" (1/1) ... [2022-09-20 20:45:54,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-20 20:45:54,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-20 20:45:54,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-20 20:45:54,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-20 20:45:54,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:54" (1/1) ... [2022-09-20 20:45:54,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 20:45:54,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 20:45:54,289 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) [2022-09-20 20:45:54,312 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 [2022-09-20 20:45:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-09-20 20:45:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-09-20 20:45:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-09-20 20:45:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-09-20 20:45:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-09-20 20:45:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-20 20:45:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-20 20:45:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-20 20:45:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-20 20:45:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-20 20:45:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-20 20:45:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-20 20:45:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-20 20:45:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-20 20:45:54,337 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-20 20:45:54,583 INFO L234 CfgBuilder]: Building ICFG [2022-09-20 20:45:54,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-20 20:45:54,735 INFO L275 CfgBuilder]: Performing block encoding [2022-09-20 20:45:54,741 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-20 20:45:54,742 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-20 20:45:54,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:45:54 BoogieIcfgContainer [2022-09-20 20:45:54,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-20 20:45:54,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-20 20:45:54,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-20 20:45:54,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-20 20:45:54,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 08:45:53" (1/3) ... [2022-09-20 20:45:54,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8c1b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 08:45:54, skipping insertion in model container [2022-09-20 20:45:54,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:45:54" (2/3) ... [2022-09-20 20:45:54,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8c1b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 08:45:54, skipping insertion in model container [2022-09-20 20:45:54,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:45:54" (3/3) ... [2022-09-20 20:45:54,753 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-09-20 20:45:54,769 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-20 20:45:54,769 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-20 20:45:54,769 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-20 20:45:54,839 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-20 20:45:54,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 95 transitions, 206 flow [2022-09-20 20:45:54,912 INFO L130 PetriNetUnfolder]: 1/93 cut-off events. [2022-09-20 20:45:54,912 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-09-20 20:45:54,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 93 events. 1/93 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2022-09-20 20:45:54,915 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 95 transitions, 206 flow [2022-09-20 20:45:54,919 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 75 transitions, 159 flow [2022-09-20 20:45:54,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-20 20:45:54,934 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c4efa51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-20 20:45:54,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-09-20 20:45:54,951 INFO L130 PetriNetUnfolder]: 0/71 cut-off events. [2022-09-20 20:45:54,951 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-09-20 20:45:54,951 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 20:45:54,952 INFO L208 CegarLoopForPetriNet]: 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] [2022-09-20 20:45:54,952 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-09-20 20:45:54,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 20:45:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1499020934, now seen corresponding path program 1 times [2022-09-20 20:45:54,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 20:45:54,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796782950] [2022-09-20 20:45:54,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 20:45:54,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 20:45:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-20 20:45:55,214 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-20 20:45:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-20 20:45:55,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-20 20:45:55,302 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-09-20 20:45:55,303 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-09-20 20:45:55,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-09-20 20:45:55,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-09-20 20:45:55,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-09-20 20:45:55,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-20 20:45:55,307 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-09-20 20:45:55,317 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-20 20:45:55,318 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-20 20:45:55,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 08:45:55 BasicIcfg [2022-09-20 20:45:55,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-20 20:45:55,376 INFO L158 Benchmark]: Toolchain (without parser) took 1814.56ms. Allocated memory was 191.9MB in the beginning and 289.4MB in the end (delta: 97.5MB). Free memory was 161.1MB in the beginning and 242.9MB in the end (delta: -81.8MB). Peak memory consumption was 14.1MB. Max. memory is 8.0GB. [2022-09-20 20:45:55,377 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 191.9MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-20 20:45:55,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.89ms. Allocated memory was 191.9MB in the beginning and 289.4MB in the end (delta: 97.5MB). Free memory was 160.9MB in the beginning and 231.6MB in the end (delta: -70.8MB). Peak memory consumption was 29.1MB. Max. memory is 8.0GB. [2022-09-20 20:45:55,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.46ms. Allocated memory is still 289.4MB. Free memory was 231.6MB in the beginning and 228.7MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-20 20:45:55,378 INFO L158 Benchmark]: Boogie Preprocessor took 49.00ms. Allocated memory is still 289.4MB. Free memory was 228.7MB in the beginning and 226.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-20 20:45:55,379 INFO L158 Benchmark]: RCFGBuilder took 486.40ms. Allocated memory is still 289.4MB. Free memory was 226.6MB in the beginning and 209.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-09-20 20:45:55,379 INFO L158 Benchmark]: TraceAbstraction took 628.25ms. Allocated memory is still 289.4MB. Free memory was 208.8MB in the beginning and 242.9MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-20 20:45:55,382 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 191.9MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 542.89ms. Allocated memory was 191.9MB in the beginning and 289.4MB in the end (delta: 97.5MB). Free memory was 160.9MB in the beginning and 231.6MB in the end (delta: -70.8MB). Peak memory consumption was 29.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 82.46ms. Allocated memory is still 289.4MB. Free memory was 231.6MB in the beginning and 228.7MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.00ms. Allocated memory is still 289.4MB. Free memory was 228.7MB in the beginning and 226.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 486.40ms. Allocated memory is still 289.4MB. Free memory was 226.6MB in the beginning and 209.6MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 628.25ms. Allocated memory is still 289.4MB. Free memory was 208.8MB in the beginning and 242.9MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={4:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={5:0}, g=0, mut={4:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}, t2={6:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, ptr={0:0}, t1={7:0}, t2={6:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={7:0}, t2={6:0}] [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, cond=0, cond={5:0}, g=0, mut={4:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, cond=0, cond={5:0}, g=0, mut={4:0}, ptr={0:0}] - UnprovableResult [Line: 1375]: 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: 1377]: 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, 127 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-09-20 20:45:55,431 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...