/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 --traceabstraction.use.on-demand.petri.net.difference true -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 [2022-12-06 01:41:02,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:41:02,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:41:02,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:41:02,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:41:02,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:41:02,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:41:02,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:41:02,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:41:02,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:41:02,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:41:02,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:41:02,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:41:02,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:41:02,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:41:02,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:41:02,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:41:02,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:41:02,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:41:02,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:41:02,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:41:02,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:41:02,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:41:02,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:41:02,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-06 01:41:02,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:41:02,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:41:02,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:41:02,349 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 [2022-12-06 01:41:02,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:41:02,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:41:02,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:41:02,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:41:02,379 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:41:02,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:41:02,380 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:41:02,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:41:02,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:41:02,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:41:02,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:41:02,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:41:02,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:41:02,380 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:41:02,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:41:02,381 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:41:02,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:41:02,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:41:02,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:41:02,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:41:02,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:41:02,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:41:02,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:41:02,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:41:02,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:41:02,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:41:02,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:41:02,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:41:02,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:41:02,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:41:02,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:41:02,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:41:02,673 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:41:02,673 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:41:02,674 INFO L432 ainManager$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 [2022-12-06 01:41:03,649 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:41:03,859 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:41:03,859 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 [2022-12-06 01:41:03,869 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaacebcfa/fcab8171063d4edfb63cf87fc46d1f3a/FLAGc62dbab5a [2022-12-06 01:41:03,881 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaacebcfa/fcab8171063d4edfb63cf87fc46d1f3a [2022-12-06 01:41:03,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:41:03,884 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:41:03,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:41:03,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:41:03,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:41:03,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:41:03" (1/1) ... [2022-12-06 01:41:03,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fedceff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:03, skipping insertion in model container [2022-12-06 01:41:03,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:41:03" (1/1) ... [2022-12-06 01:41:03,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:41:03,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:41:04,031 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] [2022-12-06 01:41:04,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:41:04,164 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:41:04,175 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] [2022-12-06 01:41:04,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:41:04,226 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:41:04,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04 WrapperNode [2022-12-06 01:41:04,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:41:04,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:41:04,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:41:04,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:41:04,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04" (1/1) ... [2022-12-06 01:41:04,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04" (1/1) ... [2022-12-06 01:41:04,280 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2022-12-06 01:41:04,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:41:04,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:41:04,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:41:04,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:41:04,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04" (1/1) ... [2022-12-06 01:41:04,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04" (1/1) ... [2022-12-06 01:41:04,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04" (1/1) ... [2022-12-06 01:41:04,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04" (1/1) ... [2022-12-06 01:41:04,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04" (1/1) ... [2022-12-06 01:41:04,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04" (1/1) ... [2022-12-06 01:41:04,307 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04" (1/1) ... [2022-12-06 01:41:04,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04" (1/1) ... [2022-12-06 01:41:04,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:41:04,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:41:04,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:41:04,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:41:04,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04" (1/1) ... [2022-12-06 01:41:04,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:41:04,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:41:04,338 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 01:41:04,340 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 01:41:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:41:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 01:41:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:41:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:41:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 01:41:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 01:41:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:41:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:41:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:41:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:41:04,374 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 01:41:04,494 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:41:04,495 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:41:04,669 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:41:04,674 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:41:04,674 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 01:41:04,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:41:04 BoogieIcfgContainer [2022-12-06 01:41:04,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:41:04,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:41:04,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:41:04,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:41:04,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:41:03" (1/3) ... [2022-12-06 01:41:04,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddcd675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:41:04, skipping insertion in model container [2022-12-06 01:41:04,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:04" (2/3) ... [2022-12-06 01:41:04,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddcd675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:41:04, skipping insertion in model container [2022-12-06 01:41:04,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:41:04" (3/3) ... [2022-12-06 01:41:04,694 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-06 01:41:04,709 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:41:04,709 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 01:41:04,709 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:41:04,757 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 01:41:04,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 135 flow [2022-12-06 01:41:04,823 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-06 01:41:04,823 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:04,829 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. [2022-12-06 01:41:04,829 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 135 flow [2022-12-06 01:41:04,832 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 54 transitions, 111 flow [2022-12-06 01:41:04,833 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:41:04,851 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 54 transitions, 111 flow [2022-12-06 01:41:04,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 54 transitions, 111 flow [2022-12-06 01:41:04,876 INFO L130 PetriNetUnfolder]: 0/54 cut-off events. [2022-12-06 01:41:04,876 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:04,876 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. [2022-12-06 01:41:04,878 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 54 transitions, 111 flow [2022-12-06 01:41:04,878 INFO L188 LiptonReduction]: Number of co-enabled transitions 300 [2022-12-06 01:41:06,724 INFO L203 LiptonReduction]: Total number of compositions: 42 [2022-12-06 01:41:06,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:41:06,770 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;@165c34d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:41:06,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-06 01:41:06,790 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2022-12-06 01:41:06,790 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:06,791 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:41:06,791 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:41:06,791 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 01:41:06,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:41:06,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1079880892, now seen corresponding path program 1 times [2022-12-06 01:41:06,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:41:06,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94461741] [2022-12-06 01:41:06,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:41:06,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:41:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:41:07,008 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 01:41:07,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:41:07,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94461741] [2022-12-06 01:41:07,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94461741] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:41:07,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:41:07,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 01:41:07,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725222753] [2022-12-06 01:41:07,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:41:07,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:41:07,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:41:07,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:41:07,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:41:07,028 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 15 [2022-12-06 01:41:07,028 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) [2022-12-06 01:41:07,029 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:41:07,029 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 15 [2022-12-06 01:41:07,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:41:07,056 INFO L130 PetriNetUnfolder]: 15/61 cut-off events. [2022-12-06 01:41:07,057 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:07,057 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. [2022-12-06 01:41:07,058 INFO L137 encePairwiseOnDemand]: 12/15 looper letters, 10 selfloop transitions, 2 changer transitions 5/20 dead transitions. [2022-12-06 01:41:07,058 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 20 transitions, 75 flow [2022-12-06 01:41:07,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:41:07,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:41:07,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2022-12-06 01:41:07,065 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6444444444444445 [2022-12-06 01:41:07,067 INFO L294 CegarLoopForPetriNet]: 19 programPoint places, 2 predicate places. [2022-12-06 01:41:07,067 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:41:07,068 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 20 transitions, 75 flow [2022-12-06 01:41:07,073 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 20 transitions, 75 flow [2022-12-06 01:41:07,073 INFO L188 LiptonReduction]: Number of co-enabled transitions 46 [2022-12-06 01:41:07,087 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-06 01:41:07,135 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-06 01:41:07,137 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-06 01:41:07,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:41:07,137 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) [2022-12-06 01:41:07,139 INFO L158 Benchmark]: Toolchain (without parser) took 3254.69ms. Allocated memory was 229.6MB in the beginning and 341.8MB in the end (delta: 112.2MB). Free memory was 204.3MB in the beginning and 162.6MB in the end (delta: 41.7MB). Peak memory consumption was 153.9MB. Max. memory is 8.0GB. [2022-12-06 01:41:07,139 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 229.6MB. Free memory was 205.8MB in the beginning and 205.7MB in the end (delta: 88.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:41:07,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.61ms. Allocated memory is still 229.6MB. Free memory was 203.7MB in the beginning and 184.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 01:41:07,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.66ms. Allocated memory is still 229.6MB. Free memory was 184.9MB in the beginning and 183.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 01:41:07,140 INFO L158 Benchmark]: Boogie Preprocessor took 27.89ms. Allocated memory is still 229.6MB. Free memory was 183.3MB in the beginning and 181.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:41:07,141 INFO L158 Benchmark]: RCFGBuilder took 365.97ms. Allocated memory is still 229.6MB. Free memory was 181.7MB in the beginning and 168.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 01:41:07,141 INFO L158 Benchmark]: TraceAbstraction took 2461.86ms. Allocated memory was 229.6MB in the beginning and 341.8MB in the end (delta: 112.2MB). Free memory was 168.1MB in the beginning and 162.6MB in the end (delta: 5.5MB). Peak memory consumption was 117.2MB. Max. memory is 8.0GB. [2022-12-06 01:41:07,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 229.6MB. Free memory was 205.8MB in the beginning and 205.7MB in the end (delta: 88.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 341.61ms. Allocated memory is still 229.6MB. Free memory was 203.7MB in the beginning and 184.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.66ms. Allocated memory is still 229.6MB. Free memory was 184.9MB in the beginning and 183.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.89ms. Allocated memory is still 229.6MB. Free memory was 183.3MB in the beginning and 181.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 365.97ms. Allocated memory is still 229.6MB. Free memory was 181.7MB in the beginning and 168.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2461.86ms. Allocated memory was 229.6MB in the beginning and 341.8MB in the end (delta: 112.2MB). Free memory was 168.1MB in the beginning and 162.6MB in the end (delta: 5.5MB). Peak memory consumption was 117.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 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: 67, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 52, dependent conditional: 0, dependent unconditional: 52, 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, 21 PlacesBefore, 19 PlacesAfterwards, 20 TransitionsBefore, 18 TransitionsAfterwards, 46 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - 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. [2022-12-06 01:41:07,155 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...