/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/28-race_reach_46-escape_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 23:43:41,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 23:43:41,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 23:43:41,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 23:43:41,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 23:43:41,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 23:43:41,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 23:43:41,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 23:43:41,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 23:43:41,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 23:43:41,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 23:43:41,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 23:43:41,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 23:43:41,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 23:43:41,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 23:43:41,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 23:43:41,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 23:43:41,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 23:43:41,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 23:43:41,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 23:43:41,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 23:43:41,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 23:43:41,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 23:43:41,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 23:43:41,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-05 23:43:41,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 23:43:41,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 23:43:41,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 23:43:41,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 23:43:41,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 23:43:41,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 23:43:41,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 23:43:41,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 23:43:41,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 23:43:41,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 23:43:41,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 23:43:41,306 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 23:43:41,324 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 23:43:41,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 23:43:41,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 23:43:41,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 23:43:41,326 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 23:43:41,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 23:43:41,326 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 23:43:41,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 23:43:41,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 23:43:41,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 23:43:41,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 23:43:41,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 23:43:41,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 23:43:41,343 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 23:43:41,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 23:43:41,343 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 23:43:41,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 23:43:41,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 23:43:41,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 23:43:41,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 23:43:41,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 23:43:41,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:43:41,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 23:43:41,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 23:43:41,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 23:43:41,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 23:43:41,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 23:43:41,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 23:43:41,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 23:43:41,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 23:43:41,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 23:43:41,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 23:43:41,636 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 23:43:41,637 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 23:43:41,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2022-12-05 23:43:42,741 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 23:43:42,975 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 23:43:42,976 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2022-12-05 23:43:42,987 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b41133cae/868a8e4c4e5544fea8710512d28ae78c/FLAGe854eafd2 [2022-12-05 23:43:42,997 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b41133cae/868a8e4c4e5544fea8710512d28ae78c [2022-12-05 23:43:42,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 23:43:43,000 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 23:43:43,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 23:43:43,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 23:43:43,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 23:43:43,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:43:42" (1/1) ... [2022-12-05 23:43:43,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11062251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43, skipping insertion in model container [2022-12-05 23:43:43,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:43:42" (1/1) ... [2022-12-05 23:43:43,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 23:43:43,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 23:43:43,307 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/28-race_reach_46-escape_racefree.i[30176,30189] [2022-12-05 23:43:43,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:43:43,353 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 23:43:43,386 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/28-race_reach_46-escape_racefree.i[30176,30189] [2022-12-05 23:43:43,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:43:43,429 INFO L208 MainTranslator]: Completed translation [2022-12-05 23:43:43,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43 WrapperNode [2022-12-05 23:43:43,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 23:43:43,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 23:43:43,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 23:43:43,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 23:43:43,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2022-12-05 23:43:43,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2022-12-05 23:43:43,478 INFO L138 Inliner]: procedures = 170, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-12-05 23:43:43,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 23:43:43,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 23:43:43,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 23:43:43,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 23:43:43,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2022-12-05 23:43:43,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2022-12-05 23:43:43,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2022-12-05 23:43:43,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2022-12-05 23:43:43,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2022-12-05 23:43:43,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2022-12-05 23:43:43,505 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2022-12-05 23:43:43,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2022-12-05 23:43:43,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 23:43:43,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 23:43:43,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 23:43:43,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 23:43:43,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (1/1) ... [2022-12-05 23:43:43,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:43:43,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:43:43,533 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 23:43:43,591 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 23:43:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 23:43:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 23:43:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 23:43:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 23:43:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 23:43:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-05 23:43:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-05 23:43:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 23:43:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 23:43:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 23:43:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 23:43:43,621 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 23:43:43,792 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 23:43:43,794 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 23:43:43,981 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 23:43:43,986 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 23:43:43,986 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2022-12-05 23:43:43,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:43:43 BoogieIcfgContainer [2022-12-05 23:43:43,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 23:43:43,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 23:43:43,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 23:43:43,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 23:43:43,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 11:43:42" (1/3) ... [2022-12-05 23:43:43,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fc77b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:43:43, skipping insertion in model container [2022-12-05 23:43:43,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:43:43" (2/3) ... [2022-12-05 23:43:43,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70fc77b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:43:43, skipping insertion in model container [2022-12-05 23:43:43,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:43:43" (3/3) ... [2022-12-05 23:43:43,997 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2022-12-05 23:43:44,009 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 23:43:44,010 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 23:43:44,010 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 23:43:44,069 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-05 23:43:44,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 104 transitions, 216 flow [2022-12-05 23:43:44,148 INFO L130 PetriNetUnfolder]: 9/103 cut-off events. [2022-12-05 23:43:44,148 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:43:44,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 9/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 156 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 55. Up to 3 conditions per place. [2022-12-05 23:43:44,153 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 104 transitions, 216 flow [2022-12-05 23:43:44,170 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 94 transitions, 191 flow [2022-12-05 23:43:44,171 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:43:44,186 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 94 transitions, 191 flow [2022-12-05 23:43:44,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 94 transitions, 191 flow [2022-12-05 23:43:44,218 INFO L130 PetriNetUnfolder]: 9/94 cut-off events. [2022-12-05 23:43:44,218 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:43:44,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 94 events. 9/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 129 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 55. Up to 3 conditions per place. [2022-12-05 23:43:44,222 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 94 transitions, 191 flow [2022-12-05 23:43:44,222 INFO L188 LiptonReduction]: Number of co-enabled transitions 1452 [2022-12-05 23:43:47,948 INFO L203 LiptonReduction]: Total number of compositions: 74 [2022-12-05 23:43:47,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 23:43:47,962 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;@5e2913ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 23:43:47,963 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-05 23:43:47,965 INFO L130 PetriNetUnfolder]: 3/15 cut-off events. [2022-12-05 23:43:47,965 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:43:47,965 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:43:47,966 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-05 23:43:47,966 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 23:43:47,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:43:47,969 INFO L85 PathProgramCache]: Analyzing trace with hash 369671217, now seen corresponding path program 1 times [2022-12-05 23:43:47,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:43:47,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84915729] [2022-12-05 23:43:47,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:43:47,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:43:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:43:48,257 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 23:43:48,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:43:48,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84915729] [2022-12-05 23:43:48,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84915729] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:43:48,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:43:48,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 23:43:48,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461455756] [2022-12-05 23:43:48,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:43:48,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:43:48,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:43:48,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:43:48,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:43:48,281 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 28 [2022-12-05 23:43:48,282 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 28 transitions, 59 flow. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 23:43:48,282 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:43:48,282 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 28 [2022-12-05 23:43:48,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:43:48,361 INFO L130 PetriNetUnfolder]: 51/143 cut-off events. [2022-12-05 23:43:48,362 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:43:48,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 143 events. 51/143 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 523 event pairs, 19 based on Foata normal form. 16/147 useless extension candidates. Maximal degree in co-relation 265. Up to 64 conditions per place. [2022-12-05 23:43:48,365 INFO L137 encePairwiseOnDemand]: 14/28 looper letters, 12 selfloop transitions, 2 changer transitions 12/28 dead transitions. [2022-12-05 23:43:48,365 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 28 transitions, 109 flow [2022-12-05 23:43:48,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:43:48,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:43:48,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2022-12-05 23:43:48,394 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2022-12-05 23:43:48,395 INFO L175 Difference]: Start difference. First operand has 23 places, 28 transitions, 59 flow. Second operand 3 states and 50 transitions. [2022-12-05 23:43:48,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 28 transitions, 109 flow [2022-12-05 23:43:48,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 28 transitions, 108 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 23:43:48,398 INFO L231 Difference]: Finished difference. Result has 25 places, 14 transitions, 40 flow [2022-12-05 23:43:48,399 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=40, PETRI_PLACES=25, PETRI_TRANSITIONS=14} [2022-12-05 23:43:48,401 INFO L294 CegarLoopForPetriNet]: 23 programPoint places, 2 predicate places. [2022-12-05 23:43:48,402 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:43:48,402 INFO L89 Accepts]: Start accepts. Operand has 25 places, 14 transitions, 40 flow [2022-12-05 23:43:48,404 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:43:48,404 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:43:48,404 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 14 transitions, 40 flow [2022-12-05 23:43:48,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 20 places, 14 transitions, 40 flow [2022-12-05 23:43:48,415 INFO L130 PetriNetUnfolder]: 1/16 cut-off events. [2022-12-05 23:43:48,415 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:43:48,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 16 events. 1/16 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs, 1 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 20. Up to 6 conditions per place. [2022-12-05 23:43:48,416 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 14 transitions, 40 flow [2022-12-05 23:43:48,416 INFO L188 LiptonReduction]: Number of co-enabled transitions 44 [2022-12-05 23:43:48,714 INFO L203 LiptonReduction]: Total number of compositions: 6 [2022-12-05 23:43:48,716 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 314 [2022-12-05 23:43:48,716 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 10 transitions, 33 flow [2022-12-05 23:43:48,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 23:43:48,716 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:43:48,716 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 23:43:48,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 23:43:48,716 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 23:43:48,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:43:48,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1425092922, now seen corresponding path program 1 times [2022-12-05 23:43:48,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:43:48,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533390280] [2022-12-05 23:43:48,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:43:48,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:43:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:43:48,816 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 23:43:48,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:43:48,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533390280] [2022-12-05 23:43:48,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533390280] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:43:48,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:43:48,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:43:48,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081572968] [2022-12-05 23:43:48,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:43:48,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 23:43:48,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:43:48,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 23:43:48,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 23:43:48,818 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 10 [2022-12-05 23:43:48,818 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 10 transitions, 33 flow. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 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 23:43:48,818 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:43:48,818 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 10 [2022-12-05 23:43:48,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:43:48,836 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2022-12-05 23:43:48,836 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 23:43:48,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 12 events. 0/12 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 10 event pairs, 0 based on Foata normal form. 6/17 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2022-12-05 23:43:48,836 INFO L137 encePairwiseOnDemand]: 5/10 looper letters, 4 selfloop transitions, 4 changer transitions 2/10 dead transitions. [2022-12-05 23:43:48,836 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 10 transitions, 53 flow [2022-12-05 23:43:48,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 23:43:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 23:43:48,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-12-05 23:43:48,837 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.325 [2022-12-05 23:43:48,837 INFO L175 Difference]: Start difference. First operand has 16 places, 10 transitions, 33 flow. Second operand 4 states and 13 transitions. [2022-12-05 23:43:48,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 10 transitions, 53 flow [2022-12-05 23:43:48,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 10 transitions, 47 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 23:43:48,838 INFO L231 Difference]: Finished difference. Result has 17 places, 8 transitions, 30 flow [2022-12-05 23:43:48,838 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=10, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=30, PETRI_PLACES=17, PETRI_TRANSITIONS=8} [2022-12-05 23:43:48,838 INFO L294 CegarLoopForPetriNet]: 23 programPoint places, -6 predicate places. [2022-12-05 23:43:48,838 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:43:48,839 INFO L89 Accepts]: Start accepts. Operand has 17 places, 8 transitions, 30 flow [2022-12-05 23:43:48,839 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:43:48,839 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:43:48,839 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 17 places, 8 transitions, 30 flow [2022-12-05 23:43:48,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 15 places, 8 transitions, 30 flow [2022-12-05 23:43:48,841 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2022-12-05 23:43:48,841 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:43:48,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 10 events. 0/10 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 0/10 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-05 23:43:48,841 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 15 places, 8 transitions, 30 flow [2022-12-05 23:43:48,841 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-05 23:43:48,843 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [357] L709-3-->L711-7: Formula: (let ((.cse0 (select |v_#pthreadsMutex_411| |v_~#mutex1~0.base_95|))) (and (= (select .cse0 |v_~#mutex1~0.offset_95|) 0) (= |v_#pthreadsMutex_410| (store |v_#pthreadsMutex_411| |v_~#mutex1~0.base_95| (store .cse0 |v_~#mutex1~0.offset_95| 1))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_411|, ~#mutex1~0.offset=|v_~#mutex1~0.offset_95|, ~#mutex1~0.base=|v_~#mutex1~0.base_95|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_410|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_31|, ~#mutex1~0.offset=|v_~#mutex1~0.offset_95|, ~#mutex1~0.base=|v_~#mutex1~0.base_95|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_31|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_46|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre10#1, ULTIMATE.start_main_#t~nondet12#1] and [317] L702-20-->t_funEXIT: Formula: (and (= |v_t_funThread1of1ForFork0_#res.offset_23| 0) (= |v_t_funThread1of1ForFork0_#res.base_23| 0) (= (store |v_#pthreadsMutex_181| |v_~#mutex1~0.base_59| (store (select |v_#pthreadsMutex_181| |v_~#mutex1~0.base_59|) |v_~#mutex1~0.offset_59| 0)) |v_#pthreadsMutex_180|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_181|, ~#mutex1~0.offset=|v_~#mutex1~0.offset_59|, ~#mutex1~0.base=|v_~#mutex1~0.base_59|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_180|, ~#mutex1~0.offset=|v_~#mutex1~0.offset_59|, ~#mutex1~0.base=|v_~#mutex1~0.base_59|, t_funThread1of1ForFork0_#res.base=|v_t_funThread1of1ForFork0_#res.base_23|, t_funThread1of1ForFork0_#res.offset=|v_t_funThread1of1ForFork0_#res.offset_23|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of1ForFork0_#res.base, t_funThread1of1ForFork0_#res.offset] [2022-12-05 23:43:48,862 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-05 23:43:48,880 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [279] L702-17-->L702-20: Formula: (= |v_#pthreadsMutex_39| (store |v_#pthreadsMutex_40| |v_~#__global_lock~0.base_19| (store (select |v_#pthreadsMutex_40| |v_~#__global_lock~0.base_19|) |v_~#__global_lock~0.offset_19| 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_40|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_19|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_19|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_39|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_19|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_19|} AuxVars[] AssignedVars[#pthreadsMutex] and [371] L709-3-->t_funEXIT: Formula: (let ((.cse0 (select |v_#pthreadsMutex_713| |v_~#mutex1~0.base_174|))) (and (= |v_t_funThread1of1ForFork0_#res.base_39| 0) (= (select .cse0 |v_~#mutex1~0.offset_174|) 0) (= |v_t_funThread1of1ForFork0_#res.offset_39| 0) (= |v_#pthreadsMutex_711| (store |v_#pthreadsMutex_713| |v_~#mutex1~0.base_174| (store .cse0 |v_~#mutex1~0.offset_174| 0))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_713|, ~#mutex1~0.offset=|v_~#mutex1~0.offset_174|, ~#mutex1~0.base=|v_~#mutex1~0.base_174|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_711|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_70|, ~#mutex1~0.offset=|v_~#mutex1~0.offset_174|, ~#mutex1~0.base=|v_~#mutex1~0.base_174|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_70|, t_funThread1of1ForFork0_#res.base=|v_t_funThread1of1ForFork0_#res.base_39|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_85|, t_funThread1of1ForFork0_#res.offset=|v_t_funThread1of1ForFork0_#res.offset_39|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre10#1, t_funThread1of1ForFork0_#res.base, ULTIMATE.start_main_#t~nondet12#1, t_funThread1of1ForFork0_#res.offset] [2022-12-05 23:43:48,909 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [373] L702-17-->t_funEXIT: Formula: (let ((.cse0 (store |v_#pthreadsMutex_725| |v_~#__global_lock~0.base_222| (store (select |v_#pthreadsMutex_725| |v_~#__global_lock~0.base_222|) |v_~#__global_lock~0.offset_222| 0)))) (let ((.cse1 (select .cse0 |v_~#mutex1~0.base_178|))) (and (= |v_t_funThread1of1ForFork0_#res.base_43| 0) (= (store .cse0 |v_~#mutex1~0.base_178| (store .cse1 |v_~#mutex1~0.offset_178| 0)) |v_#pthreadsMutex_723|) (= |v_t_funThread1of1ForFork0_#res.offset_43| 0) (= (select .cse1 |v_~#mutex1~0.offset_178|) 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_725|, ~#mutex1~0.offset=|v_~#mutex1~0.offset_178|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_222|, ~#mutex1~0.base=|v_~#mutex1~0.base_178|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_222|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_723|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_72|, ~#mutex1~0.offset=|v_~#mutex1~0.offset_178|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_222|, ~#mutex1~0.base=|v_~#mutex1~0.base_178|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_72|, t_funThread1of1ForFork0_#res.base=|v_t_funThread1of1ForFork0_#res.base_43|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_87|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_222|, t_funThread1of1ForFork0_#res.offset=|v_t_funThread1of1ForFork0_#res.offset_43|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre10#1, t_funThread1of1ForFork0_#res.base, ULTIMATE.start_main_#t~nondet12#1, t_funThread1of1ForFork0_#res.offset] and [283] L711-7-->L711-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_54| |v_~#__global_lock~0.base_25|))) (and (= (select .cse0 |v_~#__global_lock~0.offset_25|) 0) (= |v_#pthreadsMutex_53| (store |v_#pthreadsMutex_54| |v_~#__global_lock~0.base_25| (store .cse0 |v_~#__global_lock~0.offset_25| 1))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_54|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_25|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_53|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_25|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_8|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_25|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet13#1] [2022-12-05 23:43:49,031 INFO L203 LiptonReduction]: Total number of compositions: 4 [2022-12-05 23:43:49,032 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-05 23:43:49,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 23:43:49,032 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 23:43:49,035 INFO L158 Benchmark]: Toolchain (without parser) took 6034.60ms. Allocated memory was 227.5MB in the beginning and 302.0MB in the end (delta: 74.4MB). Free memory was 194.0MB in the beginning and 190.3MB in the end (delta: 3.7MB). Peak memory consumption was 78.5MB. Max. memory is 8.0GB. [2022-12-05 23:43:49,035 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 227.5MB. Free memory is still 205.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:43:49,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.35ms. Allocated memory is still 227.5MB. Free memory was 194.0MB in the beginning and 174.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-12-05 23:43:49,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.89ms. Allocated memory is still 227.5MB. Free memory was 174.0MB in the beginning and 171.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 23:43:49,036 INFO L158 Benchmark]: Boogie Preprocessor took 28.71ms. Allocated memory is still 227.5MB. Free memory was 171.9MB in the beginning and 170.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 23:43:49,036 INFO L158 Benchmark]: RCFGBuilder took 479.84ms. Allocated memory is still 227.5MB. Free memory was 170.5MB in the beginning and 155.5MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-12-05 23:43:49,036 INFO L158 Benchmark]: TraceAbstraction took 5041.98ms. Allocated memory was 227.5MB in the beginning and 302.0MB in the end (delta: 74.4MB). Free memory was 154.8MB in the beginning and 190.3MB in the end (delta: -35.5MB). Peak memory consumption was 39.7MB. Max. memory is 8.0GB. [2022-12-05 23:43:49,038 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 227.5MB. Free memory is still 205.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 429.35ms. Allocated memory is still 227.5MB. Free memory was 194.0MB in the beginning and 174.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.89ms. Allocated memory is still 227.5MB. Free memory was 174.0MB in the beginning and 171.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.71ms. Allocated memory is still 227.5MB. Free memory was 171.9MB in the beginning and 170.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 479.84ms. Allocated memory is still 227.5MB. Free memory was 170.5MB in the beginning and 155.5MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 5041.98ms. Allocated memory was 227.5MB in the beginning and 302.0MB in the end (delta: 74.4MB). Free memory was 154.8MB in the beginning and 190.3MB in the end (delta: -35.5MB). Peak memory consumption was 39.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 89 PlacesBefore, 23 PlacesAfterwards, 94 TransitionsBefore, 28 TransitionsAfterwards, 1452 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 37 TrivialYvCompositions, 30 ConcurrentYvCompositions, 0 ChoiceCompositions, 74 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1248, independent: 1177, independent conditional: 1177, independent unconditional: 0, dependent: 71, dependent conditional: 71, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1248, independent: 1177, independent conditional: 0, independent unconditional: 1177, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1248, independent: 1177, independent conditional: 0, independent unconditional: 1177, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1248, independent: 1177, independent conditional: 0, independent unconditional: 1177, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1015, independent: 981, independent conditional: 0, independent unconditional: 981, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1015, independent: 926, independent conditional: 0, independent unconditional: 926, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 89, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1248, independent: 196, independent conditional: 0, independent unconditional: 196, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 1015, unknown conditional: 0, unknown unconditional: 1015] , Statistics on independence cache: Total cache size (in pairs): 1671, Positive cache size: 1637, Positive conditional cache size: 0, Positive unconditional cache size: 1637, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, 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: 0.3s, 20 PlacesBefore, 16 PlacesAfterwards, 14 TransitionsBefore, 10 TransitionsAfterwards, 44 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, independent: 24, independent conditional: 24, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 39, independent: 24, independent conditional: 9, independent unconditional: 15, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, independent: 24, independent conditional: 9, independent unconditional: 15, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, independent: 24, independent conditional: 9, independent unconditional: 15, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, independent: 22, independent conditional: 8, independent unconditional: 14, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 31, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 19, independent conditional: 7, independent unconditional: 12, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, independent: 29, independent conditional: 11, independent unconditional: 18, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 31, unknown conditional: 8, unknown unconditional: 23] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 22, Positive conditional cache size: 8, Positive unconditional cache size: 14, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 15 PlacesBefore, 11 PlacesAfterwards, 8 TransitionsBefore, 4 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 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): 31, Positive cache size: 22, Positive conditional cache size: 8, Positive unconditional cache size: 14, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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. [2022-12-05 23:43:49,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...