/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:57:25,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:57:25,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:57:25,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:57:25,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:57:25,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:57:25,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:57:25,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:57:25,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:57:25,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:57:25,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:57:25,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:57:25,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:57:25,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:57:25,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:57:25,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:57:25,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:57:25,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:57:25,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:57:25,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:57:25,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:57:25,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:57:25,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:57:25,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:57:25,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-06 04:57:25,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:57:25,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:57:25,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:57:25,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:57:25,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:57:25,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:57:25,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:57:25,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:57:25,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:57:25,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:57:25,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:57:25,660 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:57:25,684 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:57:25,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:57:25,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:57:25,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:57:25,686 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:57:25,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:57:25,687 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:57:25,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:57:25,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:57:25,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:57:25,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:57:25,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:57:25,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:57:25,688 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:57:25,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:57:25,689 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:57:25,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:57:25,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:57:25,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:57:25,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:57:25,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:57:25,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:57:25,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:57:25,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:57:25,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:57:25,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:57:25,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:57:25,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:57:25,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:57:25,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:57:25,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:57:25,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:57:25,954 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:57:25,955 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:57:25,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2022-12-06 04:57:27,046 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:57:27,297 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:57:27,298 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2022-12-06 04:57:27,310 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e078cbf/e93ce43021d848c1bcc481692ce8ac2c/FLAG6f7cceaae [2022-12-06 04:57:27,326 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e078cbf/e93ce43021d848c1bcc481692ce8ac2c [2022-12-06 04:57:27,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:57:27,329 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:57:27,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:57:27,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:57:27,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:57:27,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241f7cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27, skipping insertion in model container [2022-12-06 04:57:27,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:57:27,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:57:27,465 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_18-first-reads_unknown_1_pos.i[1097,1110] [2022-12-06 04:57:27,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:57:27,614 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:57:27,624 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_18-first-reads_unknown_1_pos.i[1097,1110] [2022-12-06 04:57:27,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:57:27,683 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:57:27,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27 WrapperNode [2022-12-06 04:57:27,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:57:27,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:57:27,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:57:27,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:57:27,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,730 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-12-06 04:57:27,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:57:27,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:57:27,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:57:27,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:57:27,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,758 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:57:27,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:57:27,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:57:27,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:57:27,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27" (1/1) ... [2022-12-06 04:57:27,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:57:27,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:57:27,814 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 04:57:27,833 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 04:57:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 04:57:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:57:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 04:57:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:57:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:57:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 04:57:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 04:57:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:57:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:57:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:57:27,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:57:27,841 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 04:57:27,939 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:57:27,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:57:28,038 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:57:28,042 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:57:28,042 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:57:28,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:28 BoogieIcfgContainer [2022-12-06 04:57:28,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:57:28,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:57:28,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:57:28,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:57:28,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:57:27" (1/3) ... [2022-12-06 04:57:28,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eaab999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:57:28, skipping insertion in model container [2022-12-06 04:57:28,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:27" (2/3) ... [2022-12-06 04:57:28,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eaab999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:57:28, skipping insertion in model container [2022-12-06 04:57:28,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:28" (3/3) ... [2022-12-06 04:57:28,049 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_pos.i [2022-12-06 04:57:28,061 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:57:28,061 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 04:57:28,061 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:57:28,092 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-06 04:57:28,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 58 transitions, 124 flow [2022-12-06 04:57:28,147 INFO L130 PetriNetUnfolder]: 2/57 cut-off events. [2022-12-06 04:57:28,148 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:57:28,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 57 events. 2/57 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2022-12-06 04:57:28,151 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 58 transitions, 124 flow [2022-12-06 04:57:28,153 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 43 transitions, 89 flow [2022-12-06 04:57:28,154 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:57:28,171 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 43 transitions, 89 flow [2022-12-06 04:57:28,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 43 transitions, 89 flow [2022-12-06 04:57:28,188 INFO L130 PetriNetUnfolder]: 1/43 cut-off events. [2022-12-06 04:57:28,188 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:57:28,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 43 events. 1/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2022-12-06 04:57:28,189 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 43 transitions, 89 flow [2022-12-06 04:57:28,190 INFO L188 LiptonReduction]: Number of co-enabled transitions 180 [2022-12-06 04:57:30,273 INFO L203 LiptonReduction]: Total number of compositions: 39 [2022-12-06 04:57:30,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:57:30,296 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=REPEATED_LIPTON_PN, 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;@173a262d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:57:30,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 04:57:30,298 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2022-12-06 04:57:30,298 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:57:30,298 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:57:30,299 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 04:57:30,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-06 04:57:30,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:57:30,303 INFO L85 PathProgramCache]: Analyzing trace with hash 218122, now seen corresponding path program 1 times [2022-12-06 04:57:30,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:57:30,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121672371] [2022-12-06 04:57:30,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:57:30,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:57:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:57:30,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 04:57:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:57:30,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 04:57:30,414 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 04:57:30,415 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 04:57:30,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-06 04:57:30,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-06 04:57:30,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:57:30,417 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-06 04:57:30,421 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:57:30,421 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:57:30,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:57:30 BasicIcfg [2022-12-06 04:57:30,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:57:30,434 INFO L158 Benchmark]: Toolchain (without parser) took 3104.90ms. Allocated memory was 179.3MB in the beginning and 283.1MB in the end (delta: 103.8MB). Free memory was 156.0MB in the beginning and 198.6MB in the end (delta: -42.5MB). Peak memory consumption was 60.9MB. Max. memory is 8.0GB. [2022-12-06 04:57:30,434 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 179.3MB. Free memory is still 155.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:57:30,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.38ms. Allocated memory is still 179.3MB. Free memory was 155.7MB in the beginning and 136.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 04:57:30,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.09ms. Allocated memory is still 179.3MB. Free memory was 136.8MB in the beginning and 135.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 04:57:30,435 INFO L158 Benchmark]: Boogie Preprocessor took 28.65ms. Allocated memory is still 179.3MB. Free memory was 135.1MB in the beginning and 133.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 04:57:30,435 INFO L158 Benchmark]: RCFGBuilder took 283.22ms. Allocated memory is still 179.3MB. Free memory was 133.7MB in the beginning and 121.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 04:57:30,436 INFO L158 Benchmark]: TraceAbstraction took 2387.94ms. Allocated memory was 179.3MB in the beginning and 283.1MB in the end (delta: 103.8MB). Free memory was 121.1MB in the beginning and 198.6MB in the end (delta: -77.5MB). Peak memory consumption was 26.3MB. Max. memory is 8.0GB. [2022-12-06 04:57:30,437 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 179.3MB. Free memory is still 155.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 354.38ms. Allocated memory is still 179.3MB. Free memory was 155.7MB in the beginning and 136.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.09ms. Allocated memory is still 179.3MB. Free memory was 136.8MB in the beginning and 135.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.65ms. Allocated memory is still 179.3MB. Free memory was 135.1MB in the beginning and 133.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 283.22ms. Allocated memory is still 179.3MB. Free memory was 133.7MB in the beginning and 121.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2387.94ms. Allocated memory was 179.3MB in the beginning and 283.1MB in the end (delta: 103.8MB). Free memory was 121.1MB in the beginning and 198.6MB in the end (delta: -77.5MB). Peak memory consumption was 26.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 46 PlacesBefore, 9 PlacesAfterwards, 43 TransitionsBefore, 5 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 18 ConcurrentYvCompositions, 1 ChoiceCompositions, 39 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108, independent: 107, independent conditional: 107, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 108, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 108, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 108, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 100, independent: 99, independent conditional: 0, independent unconditional: 99, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 100, independent: 95, independent conditional: 0, independent unconditional: 95, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 108, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 100, unknown conditional: 0, unknown unconditional: 100] , Statistics on independence cache: Total cache size (in pairs): 186, Positive cache size: 185, Positive conditional cache size: 0, Positive unconditional cache size: 185, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND TRUE 1 t == 42 [L688] 1 glob1 = 1 [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(t == 0) [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] - UnprovableResult [Line: 698]: 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 3 procedures, 79 locations, 3 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: 2.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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 04:57:30,467 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...