/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-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-dev-bf34d27 [2022-01-18 23:30:23,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 23:30:23,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 23:30:23,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 23:30:23,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 23:30:23,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 23:30:23,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 23:30:23,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 23:30:23,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 23:30:23,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 23:30:23,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 23:30:23,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 23:30:23,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 23:30:23,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 23:30:23,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 23:30:23,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 23:30:23,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 23:30:23,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 23:30:23,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 23:30:23,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 23:30:23,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 23:30:23,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 23:30:23,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 23:30:23,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 23:30:23,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-18 23:30:23,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-18 23:30:23,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-18 23:30:23,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-18 23:30:23,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-18 23:30:23,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-18 23:30:23,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 23:30:23,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 23:30:23,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 23:30:23,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 23:30:23,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 23:30:23,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 23:30:23,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 23:30:23,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 23:30:23,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 23:30:23,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 23:30:23,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 23:30:23,728 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 [2022-01-18 23:30:23,775 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 23:30:23,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 23:30:23,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 23:30:23,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 23:30:23,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 23:30:23,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 23:30:23,776 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 23:30:23,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 23:30:23,776 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 23:30:23,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 23:30:23,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 23:30:23,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 23:30:23,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 23:30:23,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 23:30:23,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 23:30:23,777 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 23:30:23,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 23:30:23,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 23:30:23,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 23:30:23,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 23:30:23,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 23:30:23,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 23:30:23,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 23:30:23,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:30:23,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 23:30:23,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 23:30:23,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 23:30:23,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 23:30:23,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 23:30:23,778 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 23:30:23,778 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-18 23:30:23,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 23:30:23,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 23:30:23,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 23:30:23,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 23:30:23,911 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 23:30:23,923 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 23:30:23,924 INFO L432 ainManager$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 [2022-01-18 23:30:23,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7ae830b1/13578b8432634a9d8f1fc26c5da2c1d7/FLAG6edbfcacb [2022-01-18 23:30:24,463 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 23:30:24,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-01-18 23:30:24,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7ae830b1/13578b8432634a9d8f1fc26c5da2c1d7/FLAG6edbfcacb [2022-01-18 23:30:24,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7ae830b1/13578b8432634a9d8f1fc26c5da2c1d7 [2022-01-18 23:30:24,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 23:30:24,961 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 23:30:24,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 23:30:24,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 23:30:24,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 23:30:24,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:30:24" (1/1) ... [2022-01-18 23:30:24,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fcd5a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:24, skipping insertion in model container [2022-01-18 23:30:24,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:30:24" (1/1) ... [2022-01-18 23:30:24,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 23:30:25,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 23:30:25,223 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] [2022-01-18 23:30:25,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:30:25,441 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 23:30:25,449 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] [2022-01-18 23:30:25,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:30:25,544 INFO L208 MainTranslator]: Completed translation [2022-01-18 23:30:25,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:25 WrapperNode [2022-01-18 23:30:25,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 23:30:25,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 23:30:25,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 23:30:25,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 23:30:25,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:25" (1/1) ... [2022-01-18 23:30:25,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:25" (1/1) ... [2022-01-18 23:30:25,587 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-01-18 23:30:25,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 23:30:25,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 23:30:25,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 23:30:25,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 23:30:25,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:25" (1/1) ... [2022-01-18 23:30:25,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:25" (1/1) ... [2022-01-18 23:30:25,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:25" (1/1) ... [2022-01-18 23:30:25,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:25" (1/1) ... [2022-01-18 23:30:25,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:25" (1/1) ... [2022-01-18 23:30:25,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:25" (1/1) ... [2022-01-18 23:30:25,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:25" (1/1) ... [2022-01-18 23:30:25,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 23:30:25,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 23:30:25,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 23:30:25,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 23:30:25,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:25" (1/1) ... [2022-01-18 23:30:25,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:30:25,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:30:25,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 23:30:25,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 23:30:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-01-18 23:30:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-01-18 23:30:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-01-18 23:30:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-01-18 23:30:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-01-18 23:30:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 23:30:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 23:30:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 23:30:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 23:30:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 23:30:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 23:30:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 23:30:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 23:30:25,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 23:30:25,684 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 23:30:25,898 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 23:30:25,899 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 23:30:26,039 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 23:30:26,043 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 23:30:26,043 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 23:30:26,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:30:26 BoogieIcfgContainer [2022-01-18 23:30:26,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 23:30:26,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 23:30:26,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 23:30:26,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 23:30:26,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 11:30:24" (1/3) ... [2022-01-18 23:30:26,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12108566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:30:26, skipping insertion in model container [2022-01-18 23:30:26,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:25" (2/3) ... [2022-01-18 23:30:26,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12108566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:30:26, skipping insertion in model container [2022-01-18 23:30:26,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:30:26" (3/3) ... [2022-01-18 23:30:26,049 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-01-18 23:30:26,052 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 23:30:26,052 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 23:30:26,052 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 23:30:26,071 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,071 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,071 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,071 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,071 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,072 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,072 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,072 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,072 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,072 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,072 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,072 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,073 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,073 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,073 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,073 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,073 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,073 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,074 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,074 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,074 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,074 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,074 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,075 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,075 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,075 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,075 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,075 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,075 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,075 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,075 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,075 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,076 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,076 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,076 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,076 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,076 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,076 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,076 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,077 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,077 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,077 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,077 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,077 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,077 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,077 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,078 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,078 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,078 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,078 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,080 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,080 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,080 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,080 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,080 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,080 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,080 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,082 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,082 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,082 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,082 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,082 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,082 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,083 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:26,085 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 23:30:26,111 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:30:26,115 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=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, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:30:26,115 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-18 23:30:26,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 95 transitions, 206 flow [2022-01-18 23:30:26,152 INFO L129 PetriNetUnfolder]: 1/93 cut-off events. [2022-01-18 23:30:26,153 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-18 23:30:26,155 INFO L84 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. [2022-01-18 23:30:26,155 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 95 transitions, 206 flow [2022-01-18 23:30:26,158 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 75 transitions, 159 flow [2022-01-18 23:30:26,176 INFO L129 PetriNetUnfolder]: 0/71 cut-off events. [2022-01-18 23:30:26,177 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 23:30:26,177 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:30:26,177 INFO L254 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] [2022-01-18 23:30:26,177 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 23:30:26,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:30:26,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1499020934, now seen corresponding path program 1 times [2022-01-18 23:30:26,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:30:26,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192802630] [2022-01-18 23:30:26,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:30:26,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:30:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:30:26,364 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:30:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:30:26,436 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:30:26,438 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:30:26,438 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-18 23:30:26,440 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-18 23:30:26,440 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-18 23:30:26,443 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-01-18 23:30:26,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 23:30:26,452 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 23:30:26,455 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 23:30:26,455 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 23:30:26,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 11:30:26 BasicIcfg [2022-01-18 23:30:26,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 23:30:26,509 INFO L158 Benchmark]: Toolchain (without parser) took 1547.23ms. Allocated memory is still 400.6MB. Free memory was 349.0MB in the beginning and 282.6MB in the end (delta: 66.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.0GB. [2022-01-18 23:30:26,509 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 400.6MB. Free memory is still 367.9MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 23:30:26,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.82ms. Allocated memory is still 400.6MB. Free memory was 348.7MB in the beginning and 346.6MB in the end (delta: 2.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.0GB. [2022-01-18 23:30:26,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.23ms. Allocated memory is still 400.6MB. Free memory was 346.6MB in the beginning and 343.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 23:30:26,510 INFO L158 Benchmark]: Boogie Preprocessor took 21.39ms. Allocated memory is still 400.6MB. Free memory was 343.5MB in the beginning and 341.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 23:30:26,510 INFO L158 Benchmark]: RCFGBuilder took 435.58ms. Allocated memory is still 400.6MB. Free memory was 341.4MB in the beginning and 323.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2022-01-18 23:30:26,511 INFO L158 Benchmark]: TraceAbstraction took 462.62ms. Allocated memory is still 400.6MB. Free memory was 323.5MB in the beginning and 282.6MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. [2022-01-18 23:30:26,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 400.6MB. Free memory is still 367.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 569.82ms. Allocated memory is still 400.6MB. Free memory was 348.7MB in the beginning and 346.6MB in the end (delta: 2.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 41.23ms. Allocated memory is still 400.6MB. Free memory was 346.6MB in the beginning and 343.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 21.39ms. Allocated memory is still 400.6MB. Free memory was 343.5MB in the beginning and 341.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 435.58ms. Allocated memory is still 400.6MB. Free memory was 341.4MB in the beginning and 323.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 462.62ms. Allocated memory is still 400.6MB. Free memory was 323.5MB in the beginning and 282.6MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 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={5:0}, cond=0, g=0, mut={4:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, cond={5:0}, cond=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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, 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! [2022-01-18 23:30:26,544 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...