/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 08:42:12,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 08:42:12,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 08:42:12,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 08:42:12,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 08:42:12,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 08:42:12,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 08:42:12,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 08:42:12,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 08:42:12,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 08:42:12,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 08:42:12,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 08:42:12,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 08:42:12,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 08:42:12,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 08:42:12,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 08:42:12,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 08:42:12,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 08:42:12,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 08:42:12,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 08:42:12,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 08:42:12,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 08:42:12,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 08:42:12,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 08:42:12,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 08:42:12,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 08:42:12,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 08:42:12,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 08:42:12,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 08:42:12,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 08:42:12,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 08:42:12,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 08:42:12,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 08:42:12,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 08:42:12,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 08:42:12,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 08:42:12,415 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 08:42:12,439 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 08:42:12,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 08:42:12,439 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 08:42:12,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 08:42:12,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 08:42:12,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 08:42:12,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 08:42:12,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 08:42:12,441 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 08:42:12,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 08:42:12,441 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 08:42:12,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 08:42:12,441 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 08:42:12,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 08:42:12,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 08:42:12,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 08:42:12,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 08:42:12,442 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 08:42:12,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 08:42:12,442 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 08:42:12,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 08:42:12,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 08:42:12,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 08:42:12,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 08:42:12,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 08:42:12,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 08:42:12,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 08:42:12,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 08:42:12,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 08:42:12,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 08:42:12,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 08:42:12,444 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 08:42:12,444 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 08:42:12,444 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 08:42:12,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 08:42:12,444 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 08:42:12,444 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 08:42:12,444 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 08:42:12,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 08:42:12,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 08:42:12,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 08:42:12,642 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 08:42:12,647 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 08:42:12,647 INFO L432 ainManager$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_pos.i [2022-02-11 08:42:12,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da5dfabc1/4ab40b71d48a46d38e87cded1ad1d4e3/FLAG0af6b91a0 [2022-02-11 08:42:13,143 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 08:42:13,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-02-11 08:42:13,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da5dfabc1/4ab40b71d48a46d38e87cded1ad1d4e3/FLAG0af6b91a0 [2022-02-11 08:42:13,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da5dfabc1/4ab40b71d48a46d38e87cded1ad1d4e3 [2022-02-11 08:42:13,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 08:42:13,178 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 08:42:13,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 08:42:13,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 08:42:13,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 08:42:13,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 08:42:13" (1/1) ... [2022-02-11 08:42:13,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da6d7fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13, skipping insertion in model container [2022-02-11 08:42:13,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 08:42:13" (1/1) ... [2022-02-11 08:42:13,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 08:42:13,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 08:42:13,417 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_pos.i[1103,1116] [2022-02-11 08:42:13,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 08:42:13,673 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 08:42:13,680 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_pos.i[1103,1116] [2022-02-11 08:42:13,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 08:42:13,749 INFO L208 MainTranslator]: Completed translation [2022-02-11 08:42:13,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13 WrapperNode [2022-02-11 08:42:13,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 08:42:13,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 08:42:13,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 08:42:13,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 08:42:13,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13" (1/1) ... [2022-02-11 08:42:13,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13" (1/1) ... [2022-02-11 08:42:13,786 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-02-11 08:42:13,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 08:42:13,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 08:42:13,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 08:42:13,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 08:42:13,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13" (1/1) ... [2022-02-11 08:42:13,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13" (1/1) ... [2022-02-11 08:42:13,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13" (1/1) ... [2022-02-11 08:42:13,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13" (1/1) ... [2022-02-11 08:42:13,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13" (1/1) ... [2022-02-11 08:42:13,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13" (1/1) ... [2022-02-11 08:42:13,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13" (1/1) ... [2022-02-11 08:42:13,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 08:42:13,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 08:42:13,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 08:42:13,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 08:42:13,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13" (1/1) ... [2022-02-11 08:42:13,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 08:42:13,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 08:42:13,875 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) [2022-02-11 08:42:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-02-11 08:42:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-02-11 08:42:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-02-11 08:42:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-02-11 08:42:13,899 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 [2022-02-11 08:42:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-02-11 08:42:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 08:42:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 08:42:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 08:42:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 08:42:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-11 08:42:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 08:42:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 08:42:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 08:42:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 08:42:13,923 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 08:42:14,073 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 08:42:14,074 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 08:42:14,193 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 08:42:14,198 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 08:42:14,198 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 08:42:14,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 08:42:14 BoogieIcfgContainer [2022-02-11 08:42:14,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 08:42:14,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 08:42:14,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 08:42:14,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 08:42:14,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 08:42:13" (1/3) ... [2022-02-11 08:42:14,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ae6206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 08:42:14, skipping insertion in model container [2022-02-11 08:42:14,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 08:42:13" (2/3) ... [2022-02-11 08:42:14,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ae6206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 08:42:14, skipping insertion in model container [2022-02-11 08:42:14,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 08:42:14" (3/3) ... [2022-02-11 08:42:14,204 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-02-11 08:42:14,208 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 08:42:14,208 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 08:42:14,208 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 08:42:14,208 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 08:42:14,230 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,231 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,231 WARN L322 ript$VariableManager]: TermVariable f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,231 WARN L322 ript$VariableManager]: TermVariable f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,231 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,231 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,231 WARN L322 ript$VariableManager]: TermVariable f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,231 WARN L322 ript$VariableManager]: TermVariable f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,232 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,232 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,232 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,232 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,232 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,232 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,233 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,233 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,233 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,233 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,233 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,233 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,233 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,234 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,234 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,234 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,234 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,234 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,234 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,234 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,235 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,235 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,235 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,235 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,235 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,235 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,235 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,236 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,236 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,236 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,236 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,236 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,236 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,236 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,236 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,237 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,237 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,237 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,237 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,237 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,237 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,238 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,239 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,240 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,240 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,240 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,240 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,240 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,240 WARN L322 ript$VariableManager]: TermVariable |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,242 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,242 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,242 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,242 WARN L322 ript$VariableManager]: TermVariable f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,242 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,242 WARN L322 ript$VariableManager]: TermVariable |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,242 WARN L322 ript$VariableManager]: TermVariable f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 08:42:14,245 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-11 08:42:14,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 08:42:14,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 08:42:14,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 08:42:14,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 08:42:14,325 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == f2Thread1of1ForFork0 ======== [2022-02-11 08:42:14,331 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=PARTIAL_ORDER_FA, 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 [2022-02-11 08:42:14,331 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 08:42:14,614 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 08:42:14,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 08:42:14,621 INFO L85 PathProgramCache]: Analyzing trace with hash -258141120, now seen corresponding path program 1 times [2022-02-11 08:42:14,626 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 08:42:14,626 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155682721] [2022-02-11 08:42:14,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 08:42:14,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 08:42:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 08:42:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 08:42:14,906 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 08:42:14,906 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155682721] [2022-02-11 08:42:14,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155682721] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 08:42:14,907 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 08:42:14,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 08:42:14,908 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442577118] [2022-02-11 08:42:14,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 08:42:14,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 08:42:14,912 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 08:42:14,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 08:42:14,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 08:42:14,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:42:14,931 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 08:42:14,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2022-02-11 08:42:14,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:42:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 08:42:15,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 08:42:15,071 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 08:42:15,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 08:42:15,073 INFO L85 PathProgramCache]: Analyzing trace with hash 959225342, now seen corresponding path program 1 times [2022-02-11 08:42:15,073 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 08:42:15,073 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997945594] [2022-02-11 08:42:15,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 08:42:15,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 08:42:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 08:42:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 08:42:15,171 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 08:42:15,171 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997945594] [2022-02-11 08:42:15,171 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997945594] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 08:42:15,171 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 08:42:15,171 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 08:42:15,172 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380937654] [2022-02-11 08:42:15,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 08:42:15,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 08:42:15,173 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 08:42:15,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 08:42:15,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 08:42:15,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:42:15,175 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 08:42:15,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-11 08:42:15,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 08:42:15,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 08:42:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 08:42:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 08:42:15,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 08:42:15,557 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 08:42:15,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 08:42:15,557 INFO L85 PathProgramCache]: Analyzing trace with hash -357323377, now seen corresponding path program 1 times [2022-02-11 08:42:15,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 08:42:15,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436714944] [2022-02-11 08:42:15,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 08:42:15,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 08:42:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 08:42:15,585 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-11 08:42:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 08:42:15,632 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-11 08:42:15,632 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-11 08:42:15,633 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-11 08:42:15,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-11 08:42:15,643 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-11 08:42:15,643 INFO L313 ceAbstractionStarter]: Result for error location f2Thread1of1ForFork0 was UNSAFE (1/2) [2022-02-11 08:42:15,645 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 08:42:15,645 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 08:42:15,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 08:42:15 BasicIcfg [2022-02-11 08:42:15,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 08:42:15,689 INFO L158 Benchmark]: Toolchain (without parser) took 2510.81ms. Allocated memory was 191.9MB in the beginning and 300.9MB in the end (delta: 109.1MB). Free memory was 134.3MB in the beginning and 157.1MB in the end (delta: -22.9MB). Peak memory consumption was 86.8MB. Max. memory is 8.0GB. [2022-02-11 08:42:15,689 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 08:42:15,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.88ms. Allocated memory was 191.9MB in the beginning and 300.9MB in the end (delta: 109.1MB). Free memory was 134.0MB in the beginning and 245.4MB in the end (delta: -111.4MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2022-02-11 08:42:15,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.33ms. Allocated memory is still 300.9MB. Free memory was 245.4MB in the beginning and 242.7MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-11 08:42:15,690 INFO L158 Benchmark]: Boogie Preprocessor took 25.44ms. Allocated memory is still 300.9MB. Free memory was 242.7MB in the beginning and 240.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 08:42:15,690 INFO L158 Benchmark]: RCFGBuilder took 386.26ms. Allocated memory is still 300.9MB. Free memory was 240.2MB in the beginning and 223.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-11 08:42:15,690 INFO L158 Benchmark]: TraceAbstraction took 1487.92ms. Allocated memory is still 300.9MB. Free memory was 223.4MB in the beginning and 157.1MB in the end (delta: 66.2MB). Peak memory consumption was 67.2MB. Max. memory is 8.0GB. [2022-02-11 08:42:15,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 569.88ms. Allocated memory was 191.9MB in the beginning and 300.9MB in the end (delta: 109.1MB). Free memory was 134.0MB in the beginning and 245.4MB in the end (delta: -111.4MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.33ms. Allocated memory is still 300.9MB. Free memory was 245.4MB in the beginning and 242.7MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.44ms. Allocated memory is still 300.9MB. Free memory was 242.7MB in the beginning and 240.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 386.26ms. Allocated memory is still 300.9MB. Free memory was 240.2MB in the beginning and 223.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1487.92ms. Allocated memory is still 300.9MB. Free memory was 223.4MB in the beginning and 157.1MB in the end (delta: 66.2MB). Peak memory consumption was 67.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 798, positive: 789, positive conditional: 75, positive unconditional: 714, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2407, positive: 2385, positive conditional: 233, positive unconditional: 2152, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2407, positive: 2385, positive conditional: 233, positive unconditional: 2152, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2407, positive: 2385, positive conditional: 165, positive unconditional: 2220, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2407, positive: 2385, positive conditional: 51, positive unconditional: 2334, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2407, positive: 2385, positive conditional: 51, positive unconditional: 2334, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1249, positive: 1236, positive conditional: 0, positive unconditional: 1236, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1249, positive: 1208, positive conditional: 0, positive unconditional: 1208, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 414, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 295, unknown conditional: 0, unknown unconditional: 295] ], Cache Queries: [ total: 2407, positive: 1149, positive conditional: 51, positive unconditional: 1098, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1249, unknown conditional: 0, unknown unconditional: 1249] , Statistics on independence cache: Total cache size (in pairs): 1249, Positive cache size: 1236, Positive conditional cache size: 0, Positive unconditional cache size: 1236, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 114, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 80, Number of trivial persistent sets: 70, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 723, positive: 714, positive conditional: 0, positive unconditional: 714, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 798, positive: 789, positive conditional: 75, positive unconditional: 714, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2407, positive: 2385, positive conditional: 233, positive unconditional: 2152, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2407, positive: 2385, positive conditional: 233, positive unconditional: 2152, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2407, positive: 2385, positive conditional: 165, positive unconditional: 2220, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2407, positive: 2385, positive conditional: 51, positive unconditional: 2334, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2407, positive: 2385, positive conditional: 51, positive unconditional: 2334, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1249, positive: 1236, positive conditional: 0, positive unconditional: 1236, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1249, positive: 1208, positive conditional: 0, positive unconditional: 1208, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 414, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 295, unknown conditional: 0, unknown unconditional: 295] ], Cache Queries: [ total: 2407, positive: 1149, positive conditional: 51, positive unconditional: 1098, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1249, unknown conditional: 0, unknown unconditional: 1249] , Statistics on independence cache: Total cache size (in pairs): 1249, Positive cache size: 1236, Positive conditional cache size: 0, Positive unconditional cache size: 1236, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Eliminated conditions: 114, Maximal queried relation: 0, Independence queries for same thread: 0 - 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: 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}] [L1356] 1 g = 1 VAL [cond={5:0}, g=1, mut={4:0}, ptr={0:0}, ptr={0:0}] [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=1, mut={4:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={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=1, mut={4:0}, ptr={0:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, cond=0, cond={5:0}, g=1, mut={4:0}, ptr={0:0}, ptr={0:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: f2Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 127 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.2s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2022-02-11 08:42:15,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-11 08:42:15,934 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...