/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 18:47:32,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 18:47:32,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 18:47:32,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 18:47:32,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 18:47:32,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 18:47:32,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 18:47:32,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 18:47:32,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 18:47:32,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 18:47:32,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 18:47:32,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 18:47:32,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 18:47:32,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 18:47:32,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 18:47:32,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 18:47:32,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 18:47:32,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 18:47:32,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 18:47:32,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 18:47:32,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 18:47:32,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 18:47:32,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 18:47:32,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 18:47:32,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-05 18:47:32,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 18:47:32,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 18:47:32,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 18:47:33,000 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 [2022-12-05 18:47:33,023 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 18:47:33,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 18:47:33,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 18:47:33,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 18:47:33,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 18:47:33,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 18:47:33,026 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 18:47:33,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 18:47:33,026 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 18:47:33,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 18:47:33,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 18:47:33,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 18:47:33,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 18:47:33,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 18:47:33,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 18:47:33,028 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 18:47:33,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 18:47:33,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 18:47:33,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 18:47:33,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 18:47:33,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 18:47:33,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 18:47:33,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 18:47:33,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:47:33,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 18:47:33,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 18:47:33,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 18:47:33,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 18:47:33,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 18:47:33,029 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-05 18:47:33,029 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 18:47:33,029 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 18:47:33,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 18:47:33,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 18:47:33,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 18:47:33,314 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 18:47:33,314 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 18:47:33,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-12-05 18:47:34,142 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 18:47:34,384 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 18:47:34,384 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-12-05 18:47:34,412 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55afcba4f/8338366cab2f421ba551e6dba9944156/FLAG7efca3c1b [2022-12-05 18:47:34,421 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55afcba4f/8338366cab2f421ba551e6dba9944156 [2022-12-05 18:47:34,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 18:47:34,424 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 18:47:34,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 18:47:34,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 18:47:34,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 18:47:34,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:47:34" (1/1) ... [2022-12-05 18:47:34,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db458d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:34, skipping insertion in model container [2022-12-05 18:47:34,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:47:34" (1/1) ... [2022-12-05 18:47:34,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 18:47:34,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 18:47:34,614 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_pos.i[1103,1116] [2022-12-05 18:47:34,923 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-05 18:47:34,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:47:34,935 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 18:47:34,943 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_pos.i[1103,1116] [2022-12-05 18:47:34,971 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-05 18:47:34,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:47:35,041 INFO L208 MainTranslator]: Completed translation [2022-12-05 18:47:35,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35 WrapperNode [2022-12-05 18:47:35,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 18:47:35,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 18:47:35,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 18:47:35,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 18:47:35,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35" (1/1) ... [2022-12-05 18:47:35,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35" (1/1) ... [2022-12-05 18:47:35,102 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-12-05 18:47:35,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 18:47:35,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 18:47:35,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 18:47:35,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 18:47:35,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35" (1/1) ... [2022-12-05 18:47:35,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35" (1/1) ... [2022-12-05 18:47:35,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35" (1/1) ... [2022-12-05 18:47:35,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35" (1/1) ... [2022-12-05 18:47:35,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35" (1/1) ... [2022-12-05 18:47:35,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35" (1/1) ... [2022-12-05 18:47:35,134 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35" (1/1) ... [2022-12-05 18:47:35,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35" (1/1) ... [2022-12-05 18:47:35,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 18:47:35,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 18:47:35,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 18:47:35,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 18:47:35,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35" (1/1) ... [2022-12-05 18:47:35,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:47:35,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:47:35,177 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) [2022-12-05 18:47:35,185 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 [2022-12-05 18:47:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-12-05 18:47:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-12-05 18:47:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-12-05 18:47:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-12-05 18:47:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-12-05 18:47:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 18:47:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 18:47:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 18:47:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 18:47:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 18:47:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 18:47:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 18:47:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 18:47:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 18:47:35,211 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 18:47:35,428 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 18:47:35,429 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 18:47:35,562 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 18:47:35,567 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 18:47:35,567 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 18:47:35,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:47:35 BoogieIcfgContainer [2022-12-05 18:47:35,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 18:47:35,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 18:47:35,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 18:47:35,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 18:47:35,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 06:47:34" (1/3) ... [2022-12-05 18:47:35,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c820945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:47:35, skipping insertion in model container [2022-12-05 18:47:35,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:47:35" (2/3) ... [2022-12-05 18:47:35,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c820945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:47:35, skipping insertion in model container [2022-12-05 18:47:35,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:47:35" (3/3) ... [2022-12-05 18:47:35,573 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-12-05 18:47:35,599 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 18:47:35,599 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 18:47:35,599 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 18:47:35,663 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 18:47:35,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 88 transitions, 192 flow [2022-12-05 18:47:35,726 INFO L130 PetriNetUnfolder]: 1/86 cut-off events. [2022-12-05 18:47:35,726 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 18:47:35,730 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. [2022-12-05 18:47:35,730 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 88 transitions, 192 flow [2022-12-05 18:47:35,734 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 70 transitions, 149 flow [2022-12-05 18:47:35,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 18:47:35,745 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;@78ea5059, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 18:47:35,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-05 18:47:35,776 INFO L130 PetriNetUnfolder]: 0/66 cut-off events. [2022-12-05 18:47:35,777 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 18:47:35,777 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:47:35,777 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] [2022-12-05 18:47:35,778 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:47:35,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:47:35,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1286656699, now seen corresponding path program 1 times [2022-12-05 18:47:35,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:47:35,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535688612] [2022-12-05 18:47:35,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:47:35,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:47:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:47:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:47:36,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:47:36,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535688612] [2022-12-05 18:47:36,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535688612] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:47:36,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:47:36,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 18:47:36,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946457392] [2022-12-05 18:47:36,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:47:36,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 18:47:36,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:47:36,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 18:47:36,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-05 18:47:36,379 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 88 [2022-12-05 18:47:36,383 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 70 transitions, 149 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) [2022-12-05 18:47:36,384 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:47:36,384 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 88 [2022-12-05 18:47:36,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:47:36,499 INFO L130 PetriNetUnfolder]: 16/143 cut-off events. [2022-12-05 18:47:36,500 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-12-05 18:47:36,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 143 events. 16/143 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 398 event pairs, 1 based on Foata normal form. 4/147 useless extension candidates. Maximal degree in co-relation 137. Up to 21 conditions per place. [2022-12-05 18:47:36,502 INFO L137 encePairwiseOnDemand]: 82/88 looper letters, 11 selfloop transitions, 3 changer transitions 11/85 dead transitions. [2022-12-05 18:47:36,502 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 85 transitions, 238 flow [2022-12-05 18:47:36,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-05 18:47:36,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-05 18:47:36,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 538 transitions. [2022-12-05 18:47:36,516 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8733766233766234 [2022-12-05 18:47:36,517 INFO L175 Difference]: Start difference. First operand has 77 places, 70 transitions, 149 flow. Second operand 7 states and 538 transitions. [2022-12-05 18:47:36,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 85 transitions, 238 flow [2022-12-05 18:47:36,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 85 transitions, 228 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 18:47:36,526 INFO L231 Difference]: Finished difference. Result has 85 places, 70 transitions, 163 flow [2022-12-05 18:47:36,528 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=163, PETRI_PLACES=85, PETRI_TRANSITIONS=70} [2022-12-05 18:47:36,531 INFO L294 CegarLoopForPetriNet]: 77 programPoint places, 8 predicate places. [2022-12-05 18:47:36,531 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 70 transitions, 163 flow [2022-12-05 18:47:36,532 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) [2022-12-05 18:47:36,532 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:47:36,532 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, 1, 1, 1, 1] [2022-12-05 18:47:36,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 18:47:36,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:47:36,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:47:36,534 INFO L85 PathProgramCache]: Analyzing trace with hash 353228857, now seen corresponding path program 1 times [2022-12-05 18:47:36,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:47:36,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970917173] [2022-12-05 18:47:36,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:47:36,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:47:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:47:36,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:47:36,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:47:36,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970917173] [2022-12-05 18:47:36,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970917173] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:47:36,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:47:36,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-05 18:47:36,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114482962] [2022-12-05 18:47:36,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:47:36,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 18:47:36,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:47:36,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 18:47:36,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-05 18:47:36,778 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 88 [2022-12-05 18:47:36,778 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 70 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 63.666666666666664) internal successors, (382), 6 states have internal predecessors, (382), 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) [2022-12-05 18:47:36,778 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:47:36,779 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 88 [2022-12-05 18:47:36,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:47:36,844 INFO L130 PetriNetUnfolder]: 7/98 cut-off events. [2022-12-05 18:47:36,844 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-05 18:47:36,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 98 events. 7/98 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 172 event pairs, 1 based on Foata normal form. 10/107 useless extension candidates. Maximal degree in co-relation 157. Up to 13 conditions per place. [2022-12-05 18:47:36,845 INFO L137 encePairwiseOnDemand]: 80/88 looper letters, 15 selfloop transitions, 5 changer transitions 12/75 dead transitions. [2022-12-05 18:47:36,846 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 75 transitions, 232 flow [2022-12-05 18:47:36,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 18:47:36,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 18:47:36,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 335 transitions. [2022-12-05 18:47:36,854 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7613636363636364 [2022-12-05 18:47:36,854 INFO L175 Difference]: Start difference. First operand has 85 places, 70 transitions, 163 flow. Second operand 5 states and 335 transitions. [2022-12-05 18:47:36,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 75 transitions, 232 flow [2022-12-05 18:47:36,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 75 transitions, 218 flow, removed 4 selfloop flow, removed 6 redundant places. [2022-12-05 18:47:36,856 INFO L231 Difference]: Finished difference. Result has 79 places, 60 transitions, 137 flow [2022-12-05 18:47:36,856 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=137, PETRI_PLACES=79, PETRI_TRANSITIONS=60} [2022-12-05 18:47:36,857 INFO L294 CegarLoopForPetriNet]: 77 programPoint places, 2 predicate places. [2022-12-05 18:47:36,857 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 60 transitions, 137 flow [2022-12-05 18:47:36,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.666666666666664) internal successors, (382), 6 states have internal predecessors, (382), 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) [2022-12-05 18:47:36,858 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:47:36,858 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, 1, 1, 1, 1, 1] [2022-12-05 18:47:36,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 18:47:36,858 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:47:36,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:47:36,859 INFO L85 PathProgramCache]: Analyzing trace with hash 95329438, now seen corresponding path program 1 times [2022-12-05 18:47:36,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:47:36,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994473653] [2022-12-05 18:47:36,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:47:36,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:47:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 18:47:36,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-05 18:47:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 18:47:36,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-05 18:47:36,944 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-05 18:47:36,945 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-05 18:47:36,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-05 18:47:36,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-05 18:47:36,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-05 18:47:36,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 18:47:36,949 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-05 18:47:36,954 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 18:47:36,955 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 18:47:37,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 06:47:37 BasicIcfg [2022-12-05 18:47:37,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 18:47:37,013 INFO L158 Benchmark]: Toolchain (without parser) took 2588.75ms. Allocated memory was 183.5MB in the beginning and 220.2MB in the end (delta: 36.7MB). Free memory was 157.7MB in the beginning and 135.5MB in the end (delta: 22.2MB). Peak memory consumption was 59.4MB. Max. memory is 8.0GB. [2022-12-05 18:47:37,013 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 183.5MB. Free memory is still 160.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 18:47:37,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.88ms. Allocated memory is still 183.5MB. Free memory was 157.7MB in the beginning and 119.4MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-12-05 18:47:37,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.47ms. Allocated memory is still 183.5MB. Free memory was 119.4MB in the beginning and 116.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 18:47:37,019 INFO L158 Benchmark]: Boogie Preprocessor took 50.41ms. Allocated memory is still 183.5MB. Free memory was 116.8MB in the beginning and 114.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-05 18:47:37,020 INFO L158 Benchmark]: RCFGBuilder took 414.75ms. Allocated memory is still 183.5MB. Free memory was 114.2MB in the beginning and 95.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-05 18:47:37,020 INFO L158 Benchmark]: TraceAbstraction took 1442.77ms. Allocated memory was 183.5MB in the beginning and 220.2MB in the end (delta: 36.7MB). Free memory was 94.8MB in the beginning and 135.5MB in the end (delta: -40.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 18:47:37,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 183.5MB. Free memory is still 160.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 616.88ms. Allocated memory is still 183.5MB. Free memory was 157.7MB in the beginning and 119.4MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.47ms. Allocated memory is still 183.5MB. Free memory was 119.4MB in the beginning and 116.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.41ms. Allocated memory is still 183.5MB. Free memory was 116.8MB in the beginning and 114.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 414.75ms. Allocated memory is still 183.5MB. Free memory was 114.2MB in the beginning and 95.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1442.77ms. Allocated memory was 183.5MB in the beginning and 220.2MB in the end (delta: 36.7MB). Free memory was 94.8MB in the beginning and 135.5MB in the end (delta: -40.7MB). 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}, ptr={0:0}, 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}] [L1365] CALL 2 __VERIFIER_assert(g == 0) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, cond={4:0}, cond=0, g=1, mut={3:0}, ptr={0:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, cond={4:0}, cond=0, g=1, 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: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 26 mSDtfsCounter, 66 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=163occurred in iteration=1, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 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! [2022-12-05 18:47:37,047 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...