/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 23:43:16,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 23:43:16,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 23:43:16,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 23:43:16,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 23:43:16,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 23:43:16,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 23:43:16,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 23:43:16,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 23:43:16,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 23:43:16,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 23:43:16,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 23:43:16,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 23:43:16,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 23:43:16,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 23:43:16,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 23:43:16,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 23:43:16,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 23:43:16,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 23:43:16,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 23:43:16,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 23:43:16,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 23:43:16,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 23:43:16,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 23:43:16,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-05 23:43:16,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 23:43:16,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 23:43:16,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 23:43:16,421 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-RepeatedSemanticLbe.epf [2022-12-05 23:43:16,458 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 23:43:16,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 23:43:16,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 23:43:16,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 23:43:16,460 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 23:43:16,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 23:43:16,461 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 23:43:16,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 23:43:16,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 23:43:16,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 23:43:16,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 23:43:16,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 23:43:16,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 23:43:16,462 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 23:43:16,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 23:43:16,462 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 23:43:16,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 23:43:16,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 23:43:16,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 23:43:16,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 23:43:16,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 23:43:16,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:43:16,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 23:43:16,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 23:43:16,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 23:43:16,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 23:43:16,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 23:43:16,463 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 23:43:16,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 23:43:16,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 23:43:16,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 23:43:16,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 23:43:16,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 23:43:16,693 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 23:43:16,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-05 23:43:17,695 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 23:43:17,933 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 23:43:17,933 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-05 23:43:17,947 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/135ca9ede/a9d67adc6ba34707bf1513574ded85b8/FLAG168d6a7e1 [2022-12-05 23:43:17,960 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/135ca9ede/a9d67adc6ba34707bf1513574ded85b8 [2022-12-05 23:43:17,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 23:43:17,962 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 23:43:17,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 23:43:17,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 23:43:17,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 23:43:17,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:43:17" (1/1) ... [2022-12-05 23:43:17,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481feef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:17, skipping insertion in model container [2022-12-05 23:43:17,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:43:17" (1/1) ... [2022-12-05 23:43:17,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 23:43:17,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 23:43:18,105 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_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142] [2022-12-05 23:43:18,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:43:18,230 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 23:43:18,239 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_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142] [2022-12-05 23:43:18,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:43:18,288 INFO L208 MainTranslator]: Completed translation [2022-12-05 23:43:18,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18 WrapperNode [2022-12-05 23:43:18,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 23:43:18,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 23:43:18,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 23:43:18,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 23:43:18,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18" (1/1) ... [2022-12-05 23:43:18,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18" (1/1) ... [2022-12-05 23:43:18,335 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2022-12-05 23:43:18,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 23:43:18,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 23:43:18,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 23:43:18,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 23:43:18,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18" (1/1) ... [2022-12-05 23:43:18,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18" (1/1) ... [2022-12-05 23:43:18,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18" (1/1) ... [2022-12-05 23:43:18,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18" (1/1) ... [2022-12-05 23:43:18,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18" (1/1) ... [2022-12-05 23:43:18,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18" (1/1) ... [2022-12-05 23:43:18,359 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18" (1/1) ... [2022-12-05 23:43:18,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18" (1/1) ... [2022-12-05 23:43:18,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 23:43:18,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 23:43:18,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 23:43:18,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 23:43:18,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18" (1/1) ... [2022-12-05 23:43:18,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:43:18,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:43:18,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-05 23:43:18,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-05 23:43:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 23:43:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 23:43:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 23:43:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 23:43:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-05 23:43:18,447 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-05 23:43:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 23:43:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 23:43:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 23:43:18,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 23:43:18,448 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 23:43:18,556 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 23:43:18,557 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 23:43:18,715 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 23:43:18,720 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 23:43:18,721 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 23:43:18,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:43:18 BoogieIcfgContainer [2022-12-05 23:43:18,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 23:43:18,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 23:43:18,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 23:43:18,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 23:43:18,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 11:43:17" (1/3) ... [2022-12-05 23:43:18,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be8e86e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:43:18, skipping insertion in model container [2022-12-05 23:43:18,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:18" (2/3) ... [2022-12-05 23:43:18,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be8e86e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:43:18, skipping insertion in model container [2022-12-05 23:43:18,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:43:18" (3/3) ... [2022-12-05 23:43:18,739 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-05 23:43:18,755 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 23:43:18,755 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 23:43:18,755 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 23:43:18,810 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-05 23:43:18,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 135 flow [2022-12-05 23:43:18,863 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-05 23:43:18,863 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:43:18,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 64 events. 1/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2022-12-05 23:43:18,866 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 135 flow [2022-12-05 23:43:18,868 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 54 transitions, 111 flow [2022-12-05 23:43:18,869 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:43:18,880 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 54 transitions, 111 flow [2022-12-05 23:43:18,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 54 transitions, 111 flow [2022-12-05 23:43:18,894 INFO L130 PetriNetUnfolder]: 0/54 cut-off events. [2022-12-05 23:43:18,894 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:43:18,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 54 events. 0/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 19 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-05 23:43:18,896 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 54 transitions, 111 flow [2022-12-05 23:43:18,896 INFO L188 LiptonReduction]: Number of co-enabled transitions 300 [2022-12-05 23:43:20,934 INFO L203 LiptonReduction]: Total number of compositions: 42 [2022-12-05 23:43:20,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 23:43:20,949 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;@83df457, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 23:43:20,950 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-05 23:43:20,953 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2022-12-05 23:43:20,953 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:43:20,953 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:43:20,953 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:43:20,954 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 23:43:20,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:43:20,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1079880892, now seen corresponding path program 1 times [2022-12-05 23:43:20,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:43:20,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618658077] [2022-12-05 23:43:20,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:43:20,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:43:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:43:21,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:43:21,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:43:21,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618658077] [2022-12-05 23:43:21,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618658077] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:43:21,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:43:21,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:43:21,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235092827] [2022-12-05 23:43:21,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:43:21,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:43:21,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:43:21,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:43:21,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:43:21,179 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 15 [2022-12-05 23:43:21,180 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:43:21,180 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:43:21,180 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 15 [2022-12-05 23:43:21,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:43:21,210 INFO L130 PetriNetUnfolder]: 15/61 cut-off events. [2022-12-05 23:43:21,211 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:43:21,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 61 events. 15/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 181 event pairs, 11 based on Foata normal form. 6/63 useless extension candidates. Maximal degree in co-relation 101. Up to 35 conditions per place. [2022-12-05 23:43:21,212 INFO L137 encePairwiseOnDemand]: 12/15 looper letters, 10 selfloop transitions, 2 changer transitions 5/20 dead transitions. [2022-12-05 23:43:21,212 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 20 transitions, 75 flow [2022-12-05 23:43:21,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:43:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:43:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2022-12-05 23:43:21,219 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6444444444444445 [2022-12-05 23:43:21,220 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 33 flow. Second operand 3 states and 29 transitions. [2022-12-05 23:43:21,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 20 transitions, 75 flow [2022-12-05 23:43:21,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 20 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 23:43:21,223 INFO L231 Difference]: Finished difference. Result has 21 places, 13 transitions, 36 flow [2022-12-05 23:43:21,224 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=36, PETRI_PLACES=21, PETRI_TRANSITIONS=13} [2022-12-05 23:43:21,226 INFO L294 CegarLoopForPetriNet]: 19 programPoint places, 2 predicate places. [2022-12-05 23:43:21,226 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:43:21,227 INFO L89 Accepts]: Start accepts. Operand has 21 places, 13 transitions, 36 flow [2022-12-05 23:43:21,228 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:43:21,228 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:43:21,229 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 13 transitions, 36 flow [2022-12-05 23:43:21,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 19 places, 13 transitions, 36 flow [2022-12-05 23:43:21,233 INFO L130 PetriNetUnfolder]: 0/13 cut-off events. [2022-12-05 23:43:21,233 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:43:21,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 13 events. 0/13 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-05 23:43:21,233 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 19 places, 13 transitions, 36 flow [2022-12-05 23:43:21,233 INFO L188 LiptonReduction]: Number of co-enabled transitions 36 [2022-12-05 23:43:21,308 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-05 23:43:21,310 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 84 [2022-12-05 23:43:21,310 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 11 transitions, 32 flow [2022-12-05 23:43:21,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:43:21,310 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:43:21,310 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:43:21,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 23:43:21,310 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 23:43:21,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:43:21,311 INFO L85 PathProgramCache]: Analyzing trace with hash -205196696, now seen corresponding path program 1 times [2022-12-05 23:43:21,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:43:21,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392701375] [2022-12-05 23:43:21,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:43:21,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:43:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:43:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:43:21,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:43:21,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392701375] [2022-12-05 23:43:21,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392701375] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:43:21,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:43:21,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:43:21,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073964653] [2022-12-05 23:43:21,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:43:21,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:43:21,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:43:21,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:43:21,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:43:21,405 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 11 [2022-12-05 23:43:21,405 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 11 transitions, 32 flow. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:43:21,405 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:43:21,405 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 11 [2022-12-05 23:43:21,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:43:21,425 INFO L130 PetriNetUnfolder]: 9/30 cut-off events. [2022-12-05 23:43:21,425 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-05 23:43:21,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 30 events. 9/30 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 4 based on Foata normal form. 2/32 useless extension candidates. Maximal degree in co-relation 65. Up to 20 conditions per place. [2022-12-05 23:43:21,426 INFO L137 encePairwiseOnDemand]: 7/11 looper letters, 10 selfloop transitions, 4 changer transitions 0/14 dead transitions. [2022-12-05 23:43:21,426 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 14 transitions, 68 flow [2022-12-05 23:43:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:43:21,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:43:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2022-12-05 23:43:21,427 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.48484848484848486 [2022-12-05 23:43:21,427 INFO L175 Difference]: Start difference. First operand has 17 places, 11 transitions, 32 flow. Second operand 3 states and 16 transitions. [2022-12-05 23:43:21,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 14 transitions, 68 flow [2022-12-05 23:43:21,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 66 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 23:43:21,428 INFO L231 Difference]: Finished difference. Result has 18 places, 11 transitions, 38 flow [2022-12-05 23:43:21,428 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=11, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=38, PETRI_PLACES=18, PETRI_TRANSITIONS=11} [2022-12-05 23:43:21,428 INFO L294 CegarLoopForPetriNet]: 19 programPoint places, -1 predicate places. [2022-12-05 23:43:21,428 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:43:21,429 INFO L89 Accepts]: Start accepts. Operand has 18 places, 11 transitions, 38 flow [2022-12-05 23:43:21,429 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:43:21,429 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:43:21,429 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 11 transitions, 38 flow [2022-12-05 23:43:21,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 18 places, 11 transitions, 38 flow [2022-12-05 23:43:21,431 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2022-12-05 23:43:21,432 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:43:21,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 12 events. 0/12 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-05 23:43:21,432 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 11 transitions, 38 flow [2022-12-05 23:43:21,432 INFO L188 LiptonReduction]: Number of co-enabled transitions 18 [2022-12-05 23:43:21,444 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-05 23:43:21,542 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [193] L694-3-->L699: Formula: (let ((.cse1 (select |v_#pthreadsMutex_389| |v_~#A~0.base_107|))) (let ((.cse2 (store |v_#pthreadsMutex_389| |v_~#A~0.base_107| (store .cse1 |v_~#A~0.offset_107| 1)))) (let ((.cse0 (select .cse2 |v_~#B~0.base_149|))) (and (= (select .cse0 |v_~#B~0.offset_149|) 0) (= (select .cse1 |v_~#A~0.offset_107|) 0) (= v_~g~0_66 42) (= |v_#pthreadsMutex_387| (store .cse2 |v_~#B~0.base_149| (store .cse0 |v_~#B~0.offset_149| 0))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_389|, ~#B~0.base=|v_~#B~0.base_149|, ~#A~0.offset=|v_~#A~0.offset_107|, ~#A~0.base=|v_~#A~0.base_107|, ~#B~0.offset=|v_~#B~0.offset_149|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_387|, ~#B~0.base=|v_~#B~0.base_149|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_41|, ~#A~0.offset=|v_~#A~0.offset_107|, ~g~0=v_~g~0_66, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_70|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_56|, ~#A~0.base=|v_~#A~0.base_107|, ~#B~0.offset=|v_~#B~0.offset_149|, ULTIMATE.start_main_#t~pre3#1=|v_ULTIMATE.start_main_#t~pre3#1_49|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet4#1, ~g~0, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~pre3#1] and [194] $Ultimate##0-->L689: Formula: (let ((.cse1 (select |v_#pthreadsMutex_401| |v_~#B~0.base_153|))) (let ((.cse2 (store |v_#pthreadsMutex_401| |v_~#B~0.base_153| (store .cse1 |v_~#B~0.offset_153| 1)))) (let ((.cse0 (select .cse2 |v_~#A~0.base_111|))) (and (= v_t_funThread1of1ForFork0_~arg.base_46 |v_t_funThread1of1ForFork0_#in~arg.base_46|) (= (select .cse0 |v_~#A~0.offset_111|) 0) (= v_~g~0_70 17) (= |v_t_funThread1of1ForFork0_#in~arg.offset_46| v_t_funThread1of1ForFork0_~arg.offset_46) (= (select .cse1 |v_~#B~0.offset_153|) 0) (= (store .cse2 |v_~#A~0.base_111| (store .cse0 |v_~#A~0.offset_111| 0)) |v_#pthreadsMutex_399|))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_401|, ~#B~0.base=|v_~#B~0.base_153|, t_funThread1of1ForFork0_#in~arg.offset=|v_t_funThread1of1ForFork0_#in~arg.offset_46|, ~#A~0.offset=|v_~#A~0.offset_111|, t_funThread1of1ForFork0_#in~arg.base=|v_t_funThread1of1ForFork0_#in~arg.base_46|, ~#A~0.base=|v_~#A~0.base_111|, ~#B~0.offset=|v_~#B~0.offset_153|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_399|, ~#B~0.base=|v_~#B~0.base_153|, t_funThread1of1ForFork0_#in~arg.offset=|v_t_funThread1of1ForFork0_#in~arg.offset_46|, ~#A~0.offset=|v_~#A~0.offset_111|, ~g~0=v_~g~0_70, t_funThread1of1ForFork0_~arg.offset=v_t_funThread1of1ForFork0_~arg.offset_46, t_funThread1of1ForFork0_#t~nondet1=|v_t_funThread1of1ForFork0_#t~nondet1_74|, t_funThread1of1ForFork0_#t~nondet2=|v_t_funThread1of1ForFork0_#t~nondet2_49|, t_funThread1of1ForFork0_#in~arg.base=|v_t_funThread1of1ForFork0_#in~arg.base_46|, t_funThread1of1ForFork0_~arg.base=v_t_funThread1of1ForFork0_~arg.base_46, ~#A~0.base=|v_~#A~0.base_111|, ~#B~0.offset=|v_~#B~0.offset_153|} AuxVars[] AssignedVars[#pthreadsMutex, ~g~0, t_funThread1of1ForFork0_~arg.offset, t_funThread1of1ForFork0_#t~nondet1, t_funThread1of1ForFork0_#t~nondet2, t_funThread1of1ForFork0_~arg.base] [2022-12-05 23:43:21,578 INFO L203 LiptonReduction]: Total number of compositions: 6 [2022-12-05 23:43:21,579 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-05 23:43:21,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 23:43:21,580 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet! at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:125) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.refineAbstraction(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-05 23:43:21,582 INFO L158 Benchmark]: Toolchain (without parser) took 3619.26ms. Allocated memory was 255.9MB in the beginning and 376.4MB in the end (delta: 120.6MB). Free memory was 230.1MB in the beginning and 322.8MB in the end (delta: -92.6MB). Peak memory consumption was 29.0MB. Max. memory is 8.0GB. [2022-12-05 23:43:21,582 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 255.9MB. Free memory is still 232.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:43:21,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.62ms. Allocated memory is still 255.9MB. Free memory was 230.1MB in the beginning and 211.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-05 23:43:21,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.70ms. Allocated memory is still 255.9MB. Free memory was 210.8MB in the beginning and 209.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 23:43:21,583 INFO L158 Benchmark]: Boogie Preprocessor took 25.13ms. Allocated memory is still 255.9MB. Free memory was 209.2MB in the beginning and 207.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 23:43:21,583 INFO L158 Benchmark]: RCFGBuilder took 361.08ms. Allocated memory is still 255.9MB. Free memory was 207.6MB in the beginning and 194.5MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-05 23:43:21,583 INFO L158 Benchmark]: TraceAbstraction took 2846.28ms. Allocated memory was 255.9MB in the beginning and 376.4MB in the end (delta: 120.6MB). Free memory was 194.0MB in the beginning and 322.8MB in the end (delta: -128.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:43:21,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 255.9MB. Free memory is still 232.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 325.62ms. Allocated memory is still 255.9MB. Free memory was 230.1MB in the beginning and 211.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.70ms. Allocated memory is still 255.9MB. Free memory was 210.8MB in the beginning and 209.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.13ms. Allocated memory is still 255.9MB. Free memory was 209.2MB in the beginning and 207.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 361.08ms. Allocated memory is still 255.9MB. Free memory was 207.6MB in the beginning and 194.5MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2846.28ms. Allocated memory was 255.9MB in the beginning and 376.4MB in the end (delta: 120.6MB). Free memory was 194.0MB in the beginning and 322.8MB in the end (delta: -128.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 58 PlacesBefore, 19 PlacesAfterwards, 54 TransitionsBefore, 15 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 14 ConcurrentYvCompositions, 0 ChoiceCompositions, 42 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 236, independent: 195, independent conditional: 195, independent unconditional: 0, dependent: 41, dependent conditional: 41, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 236, independent: 195, independent conditional: 0, independent unconditional: 195, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 236, independent: 195, independent conditional: 0, independent unconditional: 195, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 236, independent: 195, independent conditional: 0, independent unconditional: 195, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 194, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 194, independent: 158, independent conditional: 0, independent unconditional: 158, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 236, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 194, unknown conditional: 0, unknown unconditional: 194] , Statistics on independence cache: Total cache size (in pairs): 257, Positive cache size: 231, Positive conditional cache size: 0, Positive unconditional cache size: 231, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, 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, 19 PlacesBefore, 17 PlacesAfterwards, 13 TransitionsBefore, 11 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, independent: 24, independent conditional: 24, independent unconditional: 0, dependent: 20, dependent conditional: 20, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 44, independent: 24, independent conditional: 4, independent unconditional: 20, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 44, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 44, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 44, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 21, unknown conditional: 0, unknown unconditional: 21] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 18 PlacesBefore, 12 PlacesAfterwards, 11 TransitionsBefore, 6 TransitionsAfterwards, 18 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, independent: 13, independent conditional: 13, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27, independent: 13, independent conditional: 3, independent unconditional: 10, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27, independent: 13, independent conditional: 2, independent unconditional: 11, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27, independent: 13, independent conditional: 2, independent unconditional: 11, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, independent: 7, independent conditional: 2, independent unconditional: 5, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 5, independent conditional: 1, independent unconditional: 4, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, independent: 7, independent conditional: 2, independent unconditional: 5, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 27, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 11, unknown conditional: 3, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 22, Positive conditional cache size: 3, Positive unconditional cache size: 19, Negative cache size: 11, Negative conditional cache size: 1, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 0 - ExceptionOrErrorResult: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:125) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-05 23:43:21,611 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...