/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_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:57:18,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:57:18,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:57:18,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:57:18,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:57:18,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:57:18,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:57:19,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:57:19,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:57:19,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:57:19,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:57:19,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:57:19,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:57:19,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:57:19,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:57:19,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:57:19,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:57:19,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:57:19,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:57:19,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:57:19,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:57:19,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:57:19,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:57:19,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:57:19,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-06 04:57:19,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:57:19,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:57:19,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:57:19,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:57:19,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:57:19,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:57:19,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:57:19,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:57:19,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:57:19,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:57:19,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:57:19,037 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 04:57:19,062 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:57:19,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:57:19,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:57:19,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:57:19,064 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:57:19,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:57:19,065 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:57:19,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:57:19,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:57:19,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:57:19,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:57:19,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:57:19,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:57:19,066 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:57:19,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:57:19,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:57:19,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:57:19,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:57:19,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:57:19,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:57:19,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:57:19,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:57:19,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:57:19,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:57:19,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:57:19,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:57:19,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:57:19,067 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:57:19,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:57:19,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:57:19,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:57:19,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:57:19,309 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:57:19,310 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:57:19,310 INFO L432 ainManager$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_neg.i [2022-12-06 04:57:20,286 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:57:20,602 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:57:20,602 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2022-12-06 04:57:20,611 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f2b5f11/821ae24be0e04fb6bcd47ab54cfef2d7/FLAG90dec61bc [2022-12-06 04:57:20,620 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f2b5f11/821ae24be0e04fb6bcd47ab54cfef2d7 [2022-12-06 04:57:20,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:57:20,624 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:57:20,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:57:20,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:57:20,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:57:20,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:20,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58dec2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20, skipping insertion in model container [2022-12-06 04:57:20,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:20,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:57:20,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:57:20,794 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_neg.i[1097,1110] [2022-12-06 04:57:20,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:57:20,920 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:57:20,929 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_neg.i[1097,1110] [2022-12-06 04:57:20,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:57:20,980 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:57:20,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20 WrapperNode [2022-12-06 04:57:20,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:57:20,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:57:20,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:57:20,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:57:20,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:21,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:21,026 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-12-06 04:57:21,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:57:21,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:57:21,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:57:21,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:57:21,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:21,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:21,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:21,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:21,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:21,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:21,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:21,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:21,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:57:21,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:57:21,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:57:21,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:57:21,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20" (1/1) ... [2022-12-06 04:57:21,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:57:21,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:57:21,087 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 04:57:21,092 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 04:57:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 04:57:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:57:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 04:57:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:57:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:57:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 04:57:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 04:57:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:57:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:57:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:57:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:57:21,116 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 04:57:21,194 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:57:21,195 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:57:21,284 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:57:21,288 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:57:21,288 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:57:21,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:21 BoogieIcfgContainer [2022-12-06 04:57:21,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:57:21,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:57:21,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:57:21,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:57:21,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:57:20" (1/3) ... [2022-12-06 04:57:21,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63dac53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:57:21, skipping insertion in model container [2022-12-06 04:57:21,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:20" (2/3) ... [2022-12-06 04:57:21,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63dac53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:57:21, skipping insertion in model container [2022-12-06 04:57:21,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:21" (3/3) ... [2022-12-06 04:57:21,295 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2022-12-06 04:57:21,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:57:21,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 04:57:21,328 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:57:21,404 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-06 04:57:21,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 58 transitions, 124 flow [2022-12-06 04:57:21,489 INFO L130 PetriNetUnfolder]: 2/57 cut-off events. [2022-12-06 04:57:21,489 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:57:21,492 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 04:57:21,492 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 58 transitions, 124 flow [2022-12-06 04:57:21,496 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 43 transitions, 89 flow [2022-12-06 04:57:21,497 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:57:21,511 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 43 transitions, 89 flow [2022-12-06 04:57:21,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 43 transitions, 89 flow [2022-12-06 04:57:21,536 INFO L130 PetriNetUnfolder]: 1/43 cut-off events. [2022-12-06 04:57:21,537 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:57:21,539 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 04:57:21,540 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 43 transitions, 89 flow [2022-12-06 04:57:21,540 INFO L188 LiptonReduction]: Number of co-enabled transitions 180 [2022-12-06 04:57:23,376 INFO L203 LiptonReduction]: Total number of compositions: 39 [2022-12-06 04:57:23,385 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:57:23,389 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;@3979f827, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:57:23,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 04:57:23,391 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2022-12-06 04:57:23,391 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:57:23,391 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:57:23,391 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 04:57:23,391 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 04:57:23,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:57:23,394 INFO L85 PathProgramCache]: Analyzing trace with hash 218122, now seen corresponding path program 1 times [2022-12-06 04:57:23,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:57:23,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927268068] [2022-12-06 04:57:23,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:57:23,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:57:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:57:23,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 04:57:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:57:23,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 04:57:23,491 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 04:57:23,492 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 04:57:23,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-06 04:57:23,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-06 04:57:23,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:57:23,494 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-06 04:57:23,497 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:57:23,497 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:57:23,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:57:23 BasicIcfg [2022-12-06 04:57:23,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:57:23,509 INFO L158 Benchmark]: Toolchain (without parser) took 2884.28ms. Allocated memory was 228.6MB in the beginning and 304.1MB in the end (delta: 75.5MB). Free memory was 203.9MB in the beginning and 181.3MB in the end (delta: 22.6MB). Peak memory consumption was 97.5MB. Max. memory is 8.0GB. [2022-12-06 04:57:23,509 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 228.6MB. Free memory was 205.5MB in the beginning and 205.4MB in the end (delta: 75.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:57:23,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.94ms. Allocated memory is still 228.6MB. Free memory was 203.9MB in the beginning and 184.9MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 04:57:23,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.88ms. Allocated memory is still 228.6MB. Free memory was 184.9MB in the beginning and 182.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 04:57:23,510 INFO L158 Benchmark]: Boogie Preprocessor took 24.41ms. Allocated memory is still 228.6MB. Free memory was 182.9MB in the beginning and 181.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 04:57:23,510 INFO L158 Benchmark]: RCFGBuilder took 234.40ms. Allocated memory is still 228.6MB. Free memory was 181.9MB in the beginning and 168.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 04:57:23,511 INFO L158 Benchmark]: TraceAbstraction took 2217.05ms. Allocated memory was 228.6MB in the beginning and 304.1MB in the end (delta: 75.5MB). Free memory was 167.7MB in the beginning and 181.3MB in the end (delta: -13.6MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2022-12-06 04:57:23,512 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 228.6MB. Free memory was 205.5MB in the beginning and 205.4MB in the end (delta: 75.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 355.94ms. Allocated memory is still 228.6MB. Free memory was 203.9MB in the beginning and 184.9MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.88ms. Allocated memory is still 228.6MB. Free memory was 184.9MB in the beginning and 182.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.41ms. Allocated memory is still 228.6MB. Free memory was 182.9MB in the beginning and 181.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 234.40ms. Allocated memory is still 228.6MB. Free memory was 181.9MB in the beginning and 168.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2217.05ms. Allocated memory was 228.6MB in the beginning and 304.1MB in the end (delta: 75.5MB). Free memory was 167.7MB in the beginning and 181.3MB in the end (delta: -13.6MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 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: 12, independent: 11, independent conditional: 0, independent unconditional: 11, 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 FALSE 1 !(t == 42) [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=0, 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: 2.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, 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 04:57:23,547 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...