/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 -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-wip.dk.repeated-lipton-8d0d62b [2022-12-06 16:58:33,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 16:58:33,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 16:58:33,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 16:58:33,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 16:58:33,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 16:58:33,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 16:58:33,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 16:58:33,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 16:58:33,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 16:58:33,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 16:58:33,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 16:58:33,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 16:58:33,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 16:58:33,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 16:58:33,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 16:58:33,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 16:58:33,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 16:58:33,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 16:58:33,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 16:58:33,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 16:58:33,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 16:58:33,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 16:58:33,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 16:58:33,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 16:58:33,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 16:58:33,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 16:58:33,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 16:58:33,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 16:58:33,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 16:58:33,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 16:58:33,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 16:58:33,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 16:58:33,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 16:58:33,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 16:58:33,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 16:58:33,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 16:58:33,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 16:58:33,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 16:58:33,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 16:58:33,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 16:58:33,589 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 [2022-12-06 16:58:33,604 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 16:58:33,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 16:58:33,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 16:58:33,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 16:58:33,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 16:58:33,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 16:58:33,606 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 16:58:33,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 16:58:33,606 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 16:58:33,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 16:58:33,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 16:58:33,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 16:58:33,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 16:58:33,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 16:58:33,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 16:58:33,606 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 16:58:33,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 16:58:33,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 16:58:33,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 16:58:33,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 16:58:33,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 16:58:33,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 16:58:33,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 16:58:33,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:58:33,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 16:58:33,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 16:58:33,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 16:58:33,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 16:58:33,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 16:58:33,608 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 16:58:33,608 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 16:58:33,608 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 16:58:33,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 16:58:33,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 16:58:33,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 16:58:33,869 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 16:58:33,869 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 16:58:33,870 INFO L432 ainManager$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 [2022-12-06 16:58:34,817 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 16:58:35,019 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 16:58:35,020 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-12-06 16:58:35,035 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c552834b/0e760f888a6d4825b91dada1126d2369/FLAGc9ccc790d [2022-12-06 16:58:35,380 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c552834b/0e760f888a6d4825b91dada1126d2369 [2022-12-06 16:58:35,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 16:58:35,383 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 16:58:35,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 16:58:35,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 16:58:35,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 16:58:35,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7478607d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35, skipping insertion in model container [2022-12-06 16:58:35,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 16:58:35,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 16:58:35,528 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_unknown_1_neg.i[1103,1116] [2022-12-06 16:58:35,752 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-06 16:58:35,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:58:35,765 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 16:58:35,776 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_unknown_1_neg.i[1103,1116] [2022-12-06 16:58:35,817 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-06 16:58:35,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:58:35,884 INFO L208 MainTranslator]: Completed translation [2022-12-06 16:58:35,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35 WrapperNode [2022-12-06 16:58:35,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 16:58:35,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 16:58:35,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 16:58:35,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 16:58:35,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,925 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-12-06 16:58:35,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 16:58:35,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 16:58:35,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 16:58:35,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 16:58:35,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,959 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 16:58:35,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 16:58:35,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 16:58:35,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 16:58:35,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35" (1/1) ... [2022-12-06 16:58:35,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:58:35,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:58:36,021 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) [2022-12-06 16:58:36,050 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 [2022-12-06 16:58:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-12-06 16:58:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-12-06 16:58:36,070 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-12-06 16:58:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-12-06 16:58:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-12-06 16:58:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 16:58:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 16:58:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 16:58:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 16:58:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 16:58:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 16:58:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 16:58:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 16:58:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 16:58:36,072 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 16:58:36,319 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 16:58:36,320 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 16:58:36,478 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 16:58:36,500 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 16:58:36,500 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 16:58:36,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:58:36 BoogieIcfgContainer [2022-12-06 16:58:36,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 16:58:36,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 16:58:36,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 16:58:36,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 16:58:36,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:58:35" (1/3) ... [2022-12-06 16:58:36,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a67b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:58:36, skipping insertion in model container [2022-12-06 16:58:36,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:58:35" (2/3) ... [2022-12-06 16:58:36,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a67b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:58:36, skipping insertion in model container [2022-12-06 16:58:36,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:58:36" (3/3) ... [2022-12-06 16:58:36,513 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-12-06 16:58:36,526 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 16:58:36,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 16:58:36,527 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 16:58:36,610 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 16:58:36,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 88 transitions, 192 flow [2022-12-06 16:58:36,691 INFO L130 PetriNetUnfolder]: 1/86 cut-off events. [2022-12-06 16:58:36,691 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 16:58:36,696 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 54 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2022-12-06 16:58:36,697 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 88 transitions, 192 flow [2022-12-06 16:58:36,701 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 70 transitions, 149 flow [2022-12-06 16:58:36,715 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 16:58:36,721 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;@3592dbb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 16:58:36,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 16:58:36,771 INFO L130 PetriNetUnfolder]: 0/66 cut-off events. [2022-12-06 16:58:36,771 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 16:58:36,772 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:58:36,772 INFO L213 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] [2022-12-06 16:58:36,773 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:58:36,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:58:36,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1286656699, now seen corresponding path program 1 times [2022-12-06 16:58:36,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:58:36,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311596221] [2022-12-06 16:58:36,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:58:36,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:58:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 16:58:36,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 16:58:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 16:58:37,020 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 16:58:37,021 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 16:58:37,025 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 16:58:37,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 16:58:37,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 16:58:37,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-06 16:58:37,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 16:58:37,027 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-06 16:58:37,035 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 16:58:37,035 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 16:58:37,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:58:37 BasicIcfg [2022-12-06 16:58:37,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 16:58:37,080 INFO L158 Benchmark]: Toolchain (without parser) took 1697.26ms. Allocated memory is still 173.0MB. Free memory was 135.0MB in the beginning and 123.9MB in the end (delta: 11.1MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-12-06 16:58:37,080 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 173.0MB. Free memory is still 150.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 16:58:37,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.13ms. Allocated memory is still 173.0MB. Free memory was 134.6MB in the beginning and 96.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-12-06 16:58:37,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.78ms. Allocated memory is still 173.0MB. Free memory was 96.8MB in the beginning and 94.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 16:58:37,081 INFO L158 Benchmark]: Boogie Preprocessor took 37.50ms. Allocated memory is still 173.0MB. Free memory was 94.2MB in the beginning and 91.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 16:58:37,081 INFO L158 Benchmark]: RCFGBuilder took 537.85ms. Allocated memory is still 173.0MB. Free memory was 91.6MB in the beginning and 72.2MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-12-06 16:58:37,082 INFO L158 Benchmark]: TraceAbstraction took 575.92ms. Allocated memory is still 173.0MB. Free memory was 71.6MB in the beginning and 123.9MB in the end (delta: -52.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 16:58:37,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 173.0MB. Free memory is still 150.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 501.13ms. Allocated memory is still 173.0MB. Free memory was 134.6MB in the beginning and 96.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.78ms. Allocated memory is still 173.0MB. Free memory was 96.8MB in the beginning and 94.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.50ms. Allocated memory is still 173.0MB. Free memory was 94.2MB in the beginning and 91.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 537.85ms. Allocated memory is still 173.0MB. Free memory was 91.6MB in the beginning and 72.2MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 575.92ms. Allocated memory is still 173.0MB. Free memory was 71.6MB in the beginning and 123.9MB in the end (delta: -52.3MB). 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, ptr={0:0}, t1={6:0}, t2={5:0}] [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=0, mut={3:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={6:0}, t2={5:0}] [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, cond=0, cond={4:0}, g=0, mut={3:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, cond={4:0}, cond=0, g=0, mut={3:0}, 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: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred 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, 52 NumberOfCodeBlocks, 52 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! [2022-12-06 16:58:37,098 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...