/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_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:57:11,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:57:11,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:57:11,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:57:11,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:57:11,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:57:11,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:57:11,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:57:11,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:57:11,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:57:11,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:57:11,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:57:11,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:57:11,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:57:11,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:57:11,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:57:11,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:57:11,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:57:11,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:57:11,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:57:11,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:57:11,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:57:11,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:57:11,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:57:11,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-06 04:57:11,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:57:11,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:57:11,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:57:11,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:57:11,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:57:11,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:57:11,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:57:11,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:57:11,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:57:11,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:57:11,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:57:11,357 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 04:57:11,382 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:57:11,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:57:11,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:57:11,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:57:11,384 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:57:11,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:57:11,385 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:57:11,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:57:11,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:57:11,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:57:11,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:57:11,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:57:11,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:57:11,386 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:57:11,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:57:11,386 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:57:11,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:57:11,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:57:11,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:57:11,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:57:11,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:57:11,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:57:11,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:57:11,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:57:11,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:57:11,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:57:11,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:57:11,388 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:57:11,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:57:11,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:57:11,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:57:11,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:57:11,713 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:57:11,713 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:57:11,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2022-12-06 04:57:12,834 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:57:13,144 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:57:13,145 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2022-12-06 04:57:13,151 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72478b5c5/a1404c08739d48708f2ac8a856ea36ed/FLAG5bd78bb6e [2022-12-06 04:57:13,160 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72478b5c5/a1404c08739d48708f2ac8a856ea36ed [2022-12-06 04:57:13,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:57:13,163 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:57:13,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:57:13,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:57:13,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:57:13,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb52525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13, skipping insertion in model container [2022-12-06 04:57:13,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:57:13,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:57:13,333 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_true.i[1088,1101] [2022-12-06 04:57:13,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:57:13,469 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:57:13,478 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_true.i[1088,1101] [2022-12-06 04:57:13,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:57:13,529 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:57:13,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13 WrapperNode [2022-12-06 04:57:13,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:57:13,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:57:13,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:57:13,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:57:13,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,580 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2022-12-06 04:57:13,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:57:13,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:57:13,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:57:13,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:57:13,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,599 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:57:13,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:57:13,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:57:13,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:57:13,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13" (1/1) ... [2022-12-06 04:57:13,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:57:13,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:57:13,678 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 04:57:13,709 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 04:57:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 04:57:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:57:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 04:57:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:57:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:57:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 04:57:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 04:57:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:57:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:57:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:57:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:57:13,743 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 04:57:13,869 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:57:13,870 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:57:13,960 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:57:13,964 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:57:13,964 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:57:13,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:13 BoogieIcfgContainer [2022-12-06 04:57:13,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:57:13,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:57:13,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:57:13,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:57:13,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:57:13" (1/3) ... [2022-12-06 04:57:13,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d930dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:57:13, skipping insertion in model container [2022-12-06 04:57:13,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:57:13" (2/3) ... [2022-12-06 04:57:13,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d930dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:57:13, skipping insertion in model container [2022-12-06 04:57:13,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:13" (3/3) ... [2022-12-06 04:57:13,971 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i [2022-12-06 04:57:13,983 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:57:13,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 04:57:13,984 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:57:14,017 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-06 04:57:14,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 66 transitions, 140 flow [2022-12-06 04:57:14,064 INFO L130 PetriNetUnfolder]: 3/65 cut-off events. [2022-12-06 04:57:14,064 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:57:14,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 65 events. 3/65 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2022-12-06 04:57:14,067 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 66 transitions, 140 flow [2022-12-06 04:57:14,070 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 58 transitions, 119 flow [2022-12-06 04:57:14,071 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:57:14,080 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 58 transitions, 119 flow [2022-12-06 04:57:14,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 58 transitions, 119 flow [2022-12-06 04:57:14,117 INFO L130 PetriNetUnfolder]: 3/58 cut-off events. [2022-12-06 04:57:14,118 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:57:14,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 58 events. 3/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2022-12-06 04:57:14,120 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 58 transitions, 119 flow [2022-12-06 04:57:14,120 INFO L188 LiptonReduction]: Number of co-enabled transitions 392 [2022-12-06 04:57:16,167 INFO L203 LiptonReduction]: Total number of compositions: 48 [2022-12-06 04:57:16,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:57:16,194 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;@7ec48b48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:57:16,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 04:57:16,195 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 04:57:16,195 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:57:16,195 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:57:16,196 INFO L213 CegarLoopForPetriNet]: trace histogram [1] [2022-12-06 04:57:16,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 04:57:16,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:57:16,199 INFO L85 PathProgramCache]: Analyzing trace with hash 255, now seen corresponding path program 1 times [2022-12-06 04:57:16,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:57:16,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015686092] [2022-12-06 04:57:16,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:57:16,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:57:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:57:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:57:16,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:57:16,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015686092] [2022-12-06 04:57:16,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015686092] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:57:16,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:57:16,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-06 04:57:16,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006087565] [2022-12-06 04:57:16,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:57:16,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 04:57:16,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:57:16,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 04:57:16,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 04:57:16,291 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 15 [2022-12-06 04:57:16,292 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 15 transitions, 33 flow. Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-12-06 04:57:16,293 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:57:16,293 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 15 [2022-12-06 04:57:16,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:57:16,332 INFO L130 PetriNetUnfolder]: 25/57 cut-off events. [2022-12-06 04:57:16,333 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:57:16,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 57 events. 25/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 147 event pairs, 20 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 109. Up to 57 conditions per place. [2022-12-06 04:57:16,334 INFO L137 encePairwiseOnDemand]: 13/15 looper letters, 10 selfloop transitions, 0 changer transitions 2/13 dead transitions. [2022-12-06 04:57:16,334 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 13 transitions, 53 flow [2022-12-06 04:57:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 04:57:16,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 04:57:16,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 16 transitions. [2022-12-06 04:57:16,341 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2022-12-06 04:57:16,342 INFO L175 Difference]: Start difference. First operand has 17 places, 15 transitions, 33 flow. Second operand 2 states and 16 transitions. [2022-12-06 04:57:16,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 13 transitions, 53 flow [2022-12-06 04:57:16,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 13 transitions, 52 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 04:57:16,345 INFO L231 Difference]: Finished difference. Result has 16 places, 11 transitions, 24 flow [2022-12-06 04:57:16,347 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=24, PETRI_PLACES=16, PETRI_TRANSITIONS=11} [2022-12-06 04:57:16,349 INFO L294 CegarLoopForPetriNet]: 17 programPoint places, -1 predicate places. [2022-12-06 04:57:16,349 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:57:16,350 INFO L89 Accepts]: Start accepts. Operand has 16 places, 11 transitions, 24 flow [2022-12-06 04:57:16,351 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:57:16,351 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:57:16,351 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 16 places, 11 transitions, 24 flow [2022-12-06 04:57:16,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 13 places, 11 transitions, 24 flow [2022-12-06 04:57:16,358 INFO L130 PetriNetUnfolder]: 1/11 cut-off events. [2022-12-06 04:57:16,359 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:57:16,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14 conditions, 11 events. 1/11 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 13 event pairs, 0 based on Foata normal form. 0/8 useless extension candidates. Maximal degree in co-relation 9. Up to 2 conditions per place. [2022-12-06 04:57:16,360 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 13 places, 11 transitions, 24 flow [2022-12-06 04:57:16,360 INFO L188 LiptonReduction]: Number of co-enabled transitions 28 [2022-12-06 04:57:16,555 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 04:57:16,557 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 208 [2022-12-06 04:57:16,557 INFO L495 AbstractCegarLoop]: Abstraction has has 11 places, 9 transitions, 20 flow [2022-12-06 04:57:16,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-12-06 04:57:16,557 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:57:16,557 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 04:57:16,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:57:16,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 04:57:16,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:57:16,558 INFO L85 PathProgramCache]: Analyzing trace with hash 7817794, now seen corresponding path program 1 times [2022-12-06 04:57:16,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:57:16,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808577951] [2022-12-06 04:57:16,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:57:16,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:57:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:57:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:57:16,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:57:16,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808577951] [2022-12-06 04:57:16,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808577951] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:57:16,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:57:16,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 04:57:16,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195729533] [2022-12-06 04:57:16,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:57:16,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:57:16,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:57:16,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:57:16,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:57:16,720 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 9 [2022-12-06 04:57:16,720 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 11 places, 9 transitions, 20 flow. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-12-06 04:57:16,720 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:57:16,720 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 9 [2022-12-06 04:57:16,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:57:16,731 INFO L130 PetriNetUnfolder]: 5/17 cut-off events. [2022-12-06 04:57:16,732 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:57:16,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 17 events. 5/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 26 event pairs, 2 based on Foata normal form. 3/16 useless extension candidates. Maximal degree in co-relation 29. Up to 12 conditions per place. [2022-12-06 04:57:16,732 INFO L137 encePairwiseOnDemand]: 5/9 looper letters, 4 selfloop transitions, 3 changer transitions 3/10 dead transitions. [2022-12-06 04:57:16,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 10 transitions, 40 flow [2022-12-06 04:57:16,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:57:16,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:57:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-12-06 04:57:16,733 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.48148148148148145 [2022-12-06 04:57:16,733 INFO L175 Difference]: Start difference. First operand has 11 places, 9 transitions, 20 flow. Second operand 3 states and 13 transitions. [2022-12-06 04:57:16,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 10 transitions, 40 flow [2022-12-06 04:57:16,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 10 transitions, 40 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 04:57:16,734 INFO L231 Difference]: Finished difference. Result has 14 places, 6 transitions, 25 flow [2022-12-06 04:57:16,734 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=9, PETRI_DIFFERENCE_MINUEND_FLOW=20, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=25, PETRI_PLACES=14, PETRI_TRANSITIONS=6} [2022-12-06 04:57:16,734 INFO L294 CegarLoopForPetriNet]: 17 programPoint places, -3 predicate places. [2022-12-06 04:57:16,734 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:57:16,734 INFO L89 Accepts]: Start accepts. Operand has 14 places, 6 transitions, 25 flow [2022-12-06 04:57:16,734 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:57:16,735 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:57:16,735 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 14 places, 6 transitions, 25 flow [2022-12-06 04:57:16,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 12 places, 6 transitions, 25 flow [2022-12-06 04:57:16,736 INFO L130 PetriNetUnfolder]: 0/7 cut-off events. [2022-12-06 04:57:16,736 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:57:16,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18 conditions, 7 events. 0/7 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 0/7 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 04:57:16,737 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 12 places, 6 transitions, 25 flow [2022-12-06 04:57:16,737 INFO L188 LiptonReduction]: Number of co-enabled transitions 4 [2022-12-06 04:57:16,741 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [229] L687-2-->t_funEXIT: Formula: (and (= v_t_funThread1of1ForFork0_~t~0_83 v_~glob1~0_136) (= (store |v_#pthreadsMutex_163| |v_~#mutex1~0.base_99| (store (select |v_#pthreadsMutex_163| |v_~#mutex1~0.base_99|) |v_~#mutex1~0.offset_99| 0)) |v_#pthreadsMutex_162|) (= |v_t_funThread1of1ForFork0_#res.offset_17| 0) (= v_~glob1~0_135 0) (= |v_t_funThread1of1ForFork0_#res.base_17| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_163|, ~#mutex1~0.offset=|v_~#mutex1~0.offset_99|, ~#mutex1~0.base=|v_~#mutex1~0.base_99|, ~glob1~0=v_~glob1~0_136} OutVars{#pthreadsMutex=|v_#pthreadsMutex_162|, t_funThread1of1ForFork0_~t~0=v_t_funThread1of1ForFork0_~t~0_83, ~#mutex1~0.offset=|v_~#mutex1~0.offset_99|, ~#mutex1~0.base=|v_~#mutex1~0.base_99|, t_funThread1of1ForFork0_#res.base=|v_t_funThread1of1ForFork0_#res.base_17|, ~glob1~0=v_~glob1~0_135, t_funThread1of1ForFork0_#res.offset=|v_t_funThread1of1ForFork0_#res.offset_17|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of1ForFork0_~t~0, t_funThread1of1ForFork0_#res.base, ~glob1~0, t_funThread1of1ForFork0_#res.offset] and [227] $Ultimate##0-->L687-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_145| |v_~#mutex1~0.base_91|))) (and (= v_t_funThread1of1ForFork0_~t~0_71 |v_t_funThread1of1ForFork0_#t~nondet1_40|) (= v_t_funThread1of1ForFork0_~arg.base_19 |v_t_funThread1of1ForFork0_#in~arg.base_19|) (= v_t_funThread1of1ForFork0_~t~0_71 42) (= v_~glob1~0_117 1) (= (select .cse0 |v_~#mutex1~0.offset_91|) 0) (= |v_#pthreadsMutex_144| (store |v_#pthreadsMutex_145| |v_~#mutex1~0.base_91| (store .cse0 |v_~#mutex1~0.offset_91| 1))) (= |v_t_funThread1of1ForFork0_#in~arg.offset_19| v_t_funThread1of1ForFork0_~arg.offset_19))) InVars {#pthreadsMutex=|v_#pthreadsMutex_145|, t_funThread1of1ForFork0_#in~arg.offset=|v_t_funThread1of1ForFork0_#in~arg.offset_19|, ~#mutex1~0.offset=|v_~#mutex1~0.offset_91|, ~#mutex1~0.base=|v_~#mutex1~0.base_91|, t_funThread1of1ForFork0_#t~nondet1=|v_t_funThread1of1ForFork0_#t~nondet1_40|, t_funThread1of1ForFork0_#in~arg.base=|v_t_funThread1of1ForFork0_#in~arg.base_19|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_144|, t_funThread1of1ForFork0_#in~arg.offset=|v_t_funThread1of1ForFork0_#in~arg.offset_19|, t_funThread1of1ForFork0_~t~0=v_t_funThread1of1ForFork0_~t~0_71, ~#mutex1~0.offset=|v_~#mutex1~0.offset_91|, ~#mutex1~0.base=|v_~#mutex1~0.base_91|, t_funThread1of1ForFork0_~arg.offset=v_t_funThread1of1ForFork0_~arg.offset_19, t_funThread1of1ForFork0_#t~nondet2=|v_t_funThread1of1ForFork0_#t~nondet2_33|, t_funThread1of1ForFork0_#in~arg.base=|v_t_funThread1of1ForFork0_#in~arg.base_19|, t_funThread1of1ForFork0_~arg.base=v_t_funThread1of1ForFork0_~arg.base_19, ~glob1~0=v_~glob1~0_117} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of1ForFork0_~t~0, t_funThread1of1ForFork0_~arg.offset, t_funThread1of1ForFork0_#t~nondet1, t_funThread1of1ForFork0_#t~nondet2, t_funThread1of1ForFork0_~arg.base, ~glob1~0] [2022-12-06 04:57:16,823 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:57:16,825 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 91 [2022-12-06 04:57:16,825 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 6 transitions, 28 flow [2022-12-06 04:57:16,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-12-06 04:57:16,825 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:57:16,825 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 04:57:16,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:57:16,826 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 04:57:16,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:57:16,828 INFO L85 PathProgramCache]: Analyzing trace with hash 242352231, now seen corresponding path program 1 times [2022-12-06 04:57:16,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:57:16,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253310874] [2022-12-06 04:57:16,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:57:16,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:57:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:57:16,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:57:16,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:57:16,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253310874] [2022-12-06 04:57:16,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253310874] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:57:16,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:57:16,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 04:57:16,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154213732] [2022-12-06 04:57:16,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:57:16,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 04:57:16,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:57:16,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 04:57:16,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 04:57:16,972 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 6 [2022-12-06 04:57:16,972 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 6 transitions, 28 flow. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-12-06 04:57:16,972 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:57:16,972 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 6 [2022-12-06 04:57:16,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:57:16,987 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2022-12-06 04:57:16,987 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:57:16,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17 conditions, 4 events. 0/4 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 2/6 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-06 04:57:16,987 INFO L137 encePairwiseOnDemand]: 3/6 looper letters, 0 selfloop transitions, 0 changer transitions 4/4 dead transitions. [2022-12-06 04:57:16,987 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 4 transitions, 24 flow [2022-12-06 04:57:16,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:57:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:57:16,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2022-12-06 04:57:16,988 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2 [2022-12-06 04:57:16,988 INFO L175 Difference]: Start difference. First operand has 12 places, 6 transitions, 28 flow. Second operand 5 states and 6 transitions. [2022-12-06 04:57:16,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 14 places, 4 transitions, 24 flow [2022-12-06 04:57:16,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 11 places, 4 transitions, 18 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 04:57:16,989 INFO L231 Difference]: Finished difference. Result has 11 places, 0 transitions, 0 flow [2022-12-06 04:57:16,989 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=6, PETRI_DIFFERENCE_MINUEND_FLOW=10, PETRI_DIFFERENCE_MINUEND_PLACES=7, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=11, PETRI_TRANSITIONS=0} [2022-12-06 04:57:16,989 INFO L294 CegarLoopForPetriNet]: 17 programPoint places, -6 predicate places. [2022-12-06 04:57:16,989 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:57:16,990 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 11 places, 0 transitions, 0 flow [2022-12-06 04:57:16,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 04:57:16,990 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 04:57:16,990 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:57:16,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 04:57:16,990 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 04:57:16,990 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 04:57:16,990 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:57:16,991 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-06 04:57:16,991 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 04:57:16,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-12-06 04:57:16,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 04:57:16,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-12-06 04:57:16,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-06 04:57:16,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 04:57:16,994 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-06 04:57:16,996 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:57:16,996 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:57:16,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:57:16 BasicIcfg [2022-12-06 04:57:16,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:57:16,999 INFO L158 Benchmark]: Toolchain (without parser) took 3835.77ms. Allocated memory was 182.5MB in the beginning and 219.2MB in the end (delta: 36.7MB). Free memory was 157.8MB in the beginning and 91.7MB in the end (delta: 66.1MB). Peak memory consumption was 103.8MB. Max. memory is 8.0GB. [2022-12-06 04:57:16,999 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:57:16,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.60ms. Allocated memory is still 182.5MB. Free memory was 157.8MB in the beginning and 138.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 04:57:16,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.45ms. Allocated memory is still 182.5MB. Free memory was 138.9MB in the beginning and 136.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 04:57:17,000 INFO L158 Benchmark]: Boogie Preprocessor took 20.94ms. Allocated memory is still 182.5MB. Free memory was 136.8MB in the beginning and 135.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 04:57:17,000 INFO L158 Benchmark]: RCFGBuilder took 363.67ms. Allocated memory is still 182.5MB. Free memory was 135.8MB in the beginning and 123.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 04:57:17,000 INFO L158 Benchmark]: TraceAbstraction took 3030.96ms. Allocated memory was 182.5MB in the beginning and 219.2MB in the end (delta: 36.7MB). Free memory was 122.2MB in the beginning and 91.7MB in the end (delta: 30.4MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. [2022-12-06 04:57:17,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 366.60ms. Allocated memory is still 182.5MB. Free memory was 157.8MB in the beginning and 138.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.45ms. Allocated memory is still 182.5MB. Free memory was 138.9MB in the beginning and 136.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.94ms. Allocated memory is still 182.5MB. Free memory was 136.8MB in the beginning and 135.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 363.67ms. Allocated memory is still 182.5MB. Free memory was 135.8MB in the beginning and 123.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3030.96ms. Allocated memory was 182.5MB in the beginning and 219.2MB in the end (delta: 36.7MB). Free memory was 122.2MB in the beginning and 91.7MB in the end (delta: 30.4MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 59 PlacesBefore, 17 PlacesAfterwards, 58 TransitionsBefore, 15 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 18 ConcurrentYvCompositions, 1 ChoiceCompositions, 48 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 424, independent: 384, independent conditional: 384, independent unconditional: 0, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 424, independent: 384, independent conditional: 0, independent unconditional: 384, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 424, independent: 384, independent conditional: 0, independent unconditional: 384, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 424, independent: 384, independent conditional: 0, independent unconditional: 384, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 305, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 305, independent: 272, independent conditional: 0, independent unconditional: 272, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 424, independent: 99, independent conditional: 0, independent unconditional: 99, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 305, unknown conditional: 0, unknown unconditional: 305] , Statistics on independence cache: Total cache size (in pairs): 500, Positive cache size: 480, Positive conditional cache size: 0, Positive unconditional cache size: 480, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 13 PlacesBefore, 11 PlacesAfterwards, 11 TransitionsBefore, 9 TransitionsAfterwards, 28 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 14, Positive cache size: 12, Positive conditional cache size: 0, Positive unconditional cache size: 12, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 12 PlacesBefore, 12 PlacesAfterwards, 6 TransitionsBefore, 6 TransitionsAfterwards, 4 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 12, Positive conditional cache size: 0, Positive unconditional cache size: 12, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 12, Positive conditional cache size: 0, Positive unconditional cache size: 12, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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: 3.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 04:57:17,017 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...