/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 23:56:04,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 23:56:04,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 23:56:04,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 23:56:04,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 23:56:04,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 23:56:04,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 23:56:04,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 23:56:04,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 23:56:04,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 23:56:04,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 23:56:04,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 23:56:04,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 23:56:04,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 23:56:04,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 23:56:04,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 23:56:04,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 23:56:04,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 23:56:04,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 23:56:04,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 23:56:04,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 23:56:04,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 23:56:04,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 23:56:04,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 23:56:04,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 23:56:04,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 23:56:04,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 23:56:04,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 23:56:04,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 23:56:04,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 23:56:04,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 23:56:04,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 23:56:04,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 23:56:04,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 23:56:04,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 23:56:04,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 23:56:04,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 23:56:04,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 23:56:04,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 23:56:04,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 23:56:04,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 23:56:04,165 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 [2022-12-11 23:56:04,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 23:56:04,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 23:56:04,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 23:56:04,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 23:56:04,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 23:56:04,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 23:56:04,192 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 23:56:04,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 23:56:04,193 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 23:56:04,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 23:56:04,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 23:56:04,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 23:56:04,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 23:56:04,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 23:56:04,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 23:56:04,194 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 23:56:04,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 23:56:04,194 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 23:56:04,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 23:56:04,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 23:56:04,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 23:56:04,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 23:56:04,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 23:56:04,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 23:56:04,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 23:56:04,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 23:56:04,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 23:56:04,196 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 23:56:04,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 23:56:04,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 23:56:04,196 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 23:56:04,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-11 23:56:04,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 23:56:04,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 23:56:04,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 23:56:04,479 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 23:56:04,479 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 23:56:04,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-12-11 23:56:05,513 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 23:56:05,729 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 23:56:05,730 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-12-11 23:56:05,750 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23f967a3/a1a736e3f5af45a19a2c75ac50df4fcf/FLAG20549b342 [2022-12-11 23:56:05,760 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23f967a3/a1a736e3f5af45a19a2c75ac50df4fcf [2022-12-11 23:56:05,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 23:56:05,763 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 23:56:05,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 23:56:05,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 23:56:05,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 23:56:05,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 11:56:05" (1/1) ... [2022-12-11 23:56:05,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28fd5d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:05, skipping insertion in model container [2022-12-11 23:56:05,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 11:56:05" (1/1) ... [2022-12-11 23:56:05,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 23:56:05,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 23:56:05,938 WARN L237 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_true.i[1094,1107] [2022-12-11 23:56:06,163 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-11 23:56:06,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 23:56:06,176 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 23:56:06,186 WARN L237 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_true.i[1094,1107] [2022-12-11 23:56:06,225 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-11 23:56:06,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 23:56:06,282 INFO L208 MainTranslator]: Completed translation [2022-12-11 23:56:06,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06 WrapperNode [2022-12-11 23:56:06,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 23:56:06,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 23:56:06,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 23:56:06,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 23:56:06,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06" (1/1) ... [2022-12-11 23:56:06,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06" (1/1) ... [2022-12-11 23:56:06,335 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2022-12-11 23:56:06,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 23:56:06,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 23:56:06,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 23:56:06,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 23:56:06,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06" (1/1) ... [2022-12-11 23:56:06,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06" (1/1) ... [2022-12-11 23:56:06,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06" (1/1) ... [2022-12-11 23:56:06,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06" (1/1) ... [2022-12-11 23:56:06,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06" (1/1) ... [2022-12-11 23:56:06,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06" (1/1) ... [2022-12-11 23:56:06,376 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06" (1/1) ... [2022-12-11 23:56:06,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06" (1/1) ... [2022-12-11 23:56:06,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 23:56:06,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 23:56:06,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 23:56:06,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 23:56:06,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06" (1/1) ... [2022-12-11 23:56:06,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 23:56:06,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 23:56:06,418 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) [2022-12-11 23:56:06,432 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 [2022-12-11 23:56:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-12-11 23:56:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-12-11 23:56:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-12-11 23:56:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-12-11 23:56:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-12-11 23:56:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 23:56:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 23:56:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 23:56:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 23:56:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-11 23:56:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 23:56:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 23:56:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 23:56:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 23:56:06,448 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 23:56:06,702 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 23:56:06,703 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 23:56:06,849 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 23:56:06,854 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 23:56:06,854 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 23:56:06,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 11:56:06 BoogieIcfgContainer [2022-12-11 23:56:06,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 23:56:06,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 23:56:06,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 23:56:06,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 23:56:06,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 11:56:05" (1/3) ... [2022-12-11 23:56:06,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd04eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 11:56:06, skipping insertion in model container [2022-12-11 23:56:06,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:56:06" (2/3) ... [2022-12-11 23:56:06,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd04eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 11:56:06, skipping insertion in model container [2022-12-11 23:56:06,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 11:56:06" (3/3) ... [2022-12-11 23:56:06,861 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2022-12-11 23:56:06,872 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 23:56:06,872 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 23:56:06,872 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 23:56:06,903 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-11 23:56:06,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 88 transitions, 192 flow [2022-12-11 23:56:06,967 INFO L130 PetriNetUnfolder]: 1/86 cut-off events. [2022-12-11 23:56:06,967 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-11 23:56:06,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 86 events. 1/86 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2022-12-11 23:56:06,970 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 88 transitions, 192 flow [2022-12-11 23:56:06,974 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 66 transitions, 138 flow [2022-12-11 23:56:06,987 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 23:56:06,993 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59c034f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 23:56:06,993 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-11 23:56:07,013 INFO L130 PetriNetUnfolder]: 0/62 cut-off events. [2022-12-11 23:56:07,013 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 23:56:07,013 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:56:07,014 INFO L214 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] [2022-12-11 23:56:07,014 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 23:56:07,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:56:07,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1389415946, now seen corresponding path program 1 times [2022-12-11 23:56:07,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:56:07,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707861062] [2022-12-11 23:56:07,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:56:07,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:56:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:56:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:56:07,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:56:07,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707861062] [2022-12-11 23:56:07,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707861062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:56:07,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:56:07,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-11 23:56:07,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025151234] [2022-12-11 23:56:07,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:56:07,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-11 23:56:07,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:56:07,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-11 23:56:07,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-11 23:56:07,536 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 88 [2022-12-11 23:56:07,538 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 66 transitions, 138 flow. Second operand has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 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) [2022-12-11 23:56:07,538 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:56:07,538 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 88 [2022-12-11 23:56:07,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:56:07,604 INFO L130 PetriNetUnfolder]: 6/108 cut-off events. [2022-12-11 23:56:07,605 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-11 23:56:07,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 108 events. 6/108 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 220 event pairs, 0 based on Foata normal form. 4/112 useless extension candidates. Maximal degree in co-relation 110. Up to 10 conditions per place. [2022-12-11 23:56:07,606 INFO L137 encePairwiseOnDemand]: 83/88 looper letters, 8 selfloop transitions, 2 changer transitions 10/77 dead transitions. [2022-12-11 23:56:07,606 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 77 transitions, 209 flow [2022-12-11 23:56:07,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 23:56:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 23:56:07,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 533 transitions. [2022-12-11 23:56:07,618 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8652597402597403 [2022-12-11 23:56:07,621 INFO L295 CegarLoopForPetriNet]: 73 programPoint places, 6 predicate places. [2022-12-11 23:56:07,621 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 77 transitions, 209 flow [2022-12-11 23:56:07,622 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 67 transitions, 163 flow [2022-12-11 23:56:07,623 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 67 transitions, 163 flow [2022-12-11 23:56:07,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 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) [2022-12-11 23:56:07,623 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:56:07,623 INFO L214 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, 1, 1, 1] [2022-12-11 23:56:07,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 23:56:07,624 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 23:56:07,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:56:07,624 INFO L85 PathProgramCache]: Analyzing trace with hash -63406542, now seen corresponding path program 1 times [2022-12-11 23:56:07,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:56:07,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793875577] [2022-12-11 23:56:07,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:56:07,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:56:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:56:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:56:07,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:56:07,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793875577] [2022-12-11 23:56:07,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793875577] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:56:07,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:56:07,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 23:56:07,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143008830] [2022-12-11 23:56:07,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:56:07,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 23:56:07,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:56:07,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 23:56:07,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 23:56:07,909 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 88 [2022-12-11 23:56:07,911 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 67 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 64.16666666666667) internal successors, (385), 6 states have internal predecessors, (385), 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) [2022-12-11 23:56:07,911 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:56:07,911 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 88 [2022-12-11 23:56:07,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:56:07,998 INFO L130 PetriNetUnfolder]: 4/91 cut-off events. [2022-12-11 23:56:07,998 INFO L131 PetriNetUnfolder]: For 22/27 co-relation queries the response was YES. [2022-12-11 23:56:07,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 91 events. 4/91 cut-off events. For 22/27 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 115 event pairs, 0 based on Foata normal form. 10/100 useless extension candidates. Maximal degree in co-relation 99. Up to 11 conditions per place. [2022-12-11 23:56:07,999 INFO L137 encePairwiseOnDemand]: 81/88 looper letters, 16 selfloop transitions, 7 changer transitions 2/71 dead transitions. [2022-12-11 23:56:07,999 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 71 transitions, 231 flow [2022-12-11 23:56:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-11 23:56:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-11 23:56:08,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 335 transitions. [2022-12-11 23:56:08,003 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7613636363636364 [2022-12-11 23:56:08,004 INFO L295 CegarLoopForPetriNet]: 73 programPoint places, 6 predicate places. [2022-12-11 23:56:08,004 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 71 transitions, 231 flow [2022-12-11 23:56:08,005 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 69 transitions, 223 flow [2022-12-11 23:56:08,005 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 69 transitions, 223 flow [2022-12-11 23:56:08,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.16666666666667) internal successors, (385), 6 states have internal predecessors, (385), 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) [2022-12-11 23:56:08,005 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:56:08,005 INFO L214 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, 1, 1, 1, 1] [2022-12-11 23:56:08,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 23:56:08,005 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 23:56:08,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:56:08,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1413352933, now seen corresponding path program 1 times [2022-12-11 23:56:08,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:56:08,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566079378] [2022-12-11 23:56:08,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:56:08,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:56:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 23:56:08,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-11 23:56:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 23:56:08,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-11 23:56:08,084 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-11 23:56:08,087 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-11 23:56:08,088 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-11 23:56:08,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-11 23:56:08,089 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-11 23:56:08,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 23:56:08,089 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-11 23:56:08,093 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 23:56:08,093 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 23:56:08,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 11:56:08 BasicIcfg [2022-12-11 23:56:08,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 23:56:08,151 INFO L158 Benchmark]: Toolchain (without parser) took 2387.54ms. Allocated memory was 183.5MB in the beginning and 237.0MB in the end (delta: 53.5MB). Free memory was 156.0MB in the beginning and 185.8MB in the end (delta: -29.8MB). Peak memory consumption was 24.6MB. Max. memory is 8.0GB. [2022-12-11 23:56:08,152 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 159.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 23:56:08,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.96ms. Allocated memory is still 183.5MB. Free memory was 156.0MB in the beginning and 118.0MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-12-11 23:56:08,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.25ms. Allocated memory is still 183.5MB. Free memory was 118.0MB in the beginning and 114.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-11 23:56:08,153 INFO L158 Benchmark]: Boogie Preprocessor took 44.59ms. Allocated memory is still 183.5MB. Free memory was 114.9MB in the beginning and 112.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 23:56:08,153 INFO L158 Benchmark]: RCFGBuilder took 474.86ms. Allocated memory is still 183.5MB. Free memory was 112.8MB in the beginning and 93.4MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-12-11 23:56:08,154 INFO L158 Benchmark]: TraceAbstraction took 1292.70ms. Allocated memory was 183.5MB in the beginning and 237.0MB in the end (delta: 53.5MB). Free memory was 91.8MB in the beginning and 185.8MB in the end (delta: -93.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 23:56:08,155 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 183.5MB. Free memory is still 159.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 517.96ms. Allocated memory is still 183.5MB. Free memory was 156.0MB in the beginning and 118.0MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.25ms. Allocated memory is still 183.5MB. Free memory was 118.0MB in the beginning and 114.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.59ms. Allocated memory is still 183.5MB. Free memory was 114.9MB in the beginning and 112.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 474.86ms. Allocated memory is still 183.5MB. Free memory was 112.8MB in the beginning and 93.4MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1292.70ms. Allocated memory was 183.5MB in the beginning and 237.0MB in the end (delta: 53.5MB). Free memory was 91.8MB in the beginning and 185.8MB in the end (delta: -93.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={3:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={4:0}, g=0, mut={3:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, t1={6:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, t1={6:0}, t2={5:0}] [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={4:0}, g=0, mut={3:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, t1={6:0}, t2={5:0}] [L1356] 1 g = 1 VAL [cond={4:0}, g=1, mut={3:0}, 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={4:0}, g=1, mut={3:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={6:0}, t2={5:0}] [L1366] 2 g = 0 VAL [cond={4:0}, g=0, mut={3:0}, ptr={0:0}, ptr={0:0}] [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, cond={4:0}, g=0, mut={3:0}, ptr={0:0}, ptr={0:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond={4:0}, cond=0, g=0, mut={3:0}, ptr={0:0}, 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, 118 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: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 25 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 54 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 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! [2022-12-11 23:56:08,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...