/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/weaver/chl-word-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 02:00:12,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 02:00:12,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 02:00:12,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 02:00:12,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 02:00:12,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 02:00:12,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 02:00:12,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 02:00:12,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 02:00:12,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 02:00:12,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 02:00:12,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 02:00:12,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 02:00:12,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 02:00:12,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 02:00:12,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 02:00:12,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 02:00:12,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 02:00:12,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 02:00:12,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 02:00:12,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 02:00:12,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 02:00:12,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 02:00:12,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 02:00:12,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 02:00:12,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 02:00:12,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 02:00:12,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 02:00:12,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 02:00:12,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 02:00:12,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 02:00:12,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 02:00:12,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 02:00:12,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 02:00:12,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 02:00:12,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 02:00:12,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 02:00:12,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 02:00:12,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 02:00:12,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 02:00:12,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 02:00:12,907 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 02:00:12,928 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 02:00:12,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 02:00:12,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 02:00:12,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 02:00:12,930 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 02:00:12,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 02:00:12,930 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 02:00:12,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 02:00:12,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 02:00:12,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 02:00:12,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 02:00:12,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 02:00:12,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 02:00:12,931 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 02:00:12,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 02:00:12,932 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 02:00:12,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 02:00:12,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 02:00:12,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 02:00:12,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 02:00:12,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 02:00:12,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 02:00:12,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 02:00:12,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 02:00:12,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 02:00:12,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 02:00:12,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 02:00:12,933 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 02:00:12,933 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 02:00:13,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 02:00:13,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 02:00:13,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 02:00:13,235 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 02:00:13,235 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 02:00:13,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2022-12-06 02:00:14,273 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 02:00:14,479 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 02:00:14,479 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2022-12-06 02:00:14,489 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ef931f8/c10a56e99c074e34a2319473c36ff50f/FLAG7b51d3cb9 [2022-12-06 02:00:14,502 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ef931f8/c10a56e99c074e34a2319473c36ff50f [2022-12-06 02:00:14,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 02:00:14,505 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 02:00:14,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 02:00:14,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 02:00:14,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 02:00:14,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aaabfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14, skipping insertion in model container [2022-12-06 02:00:14,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 02:00:14,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 02:00:14,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c[2848,2861] [2022-12-06 02:00:14,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 02:00:14,699 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 02:00:14,733 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c[2848,2861] [2022-12-06 02:00:14,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 02:00:14,758 INFO L208 MainTranslator]: Completed translation [2022-12-06 02:00:14,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14 WrapperNode [2022-12-06 02:00:14,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 02:00:14,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 02:00:14,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 02:00:14,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 02:00:14,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,807 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 128 [2022-12-06 02:00:14,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 02:00:14,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 02:00:14,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 02:00:14,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 02:00:14,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,832 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 02:00:14,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 02:00:14,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 02:00:14,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 02:00:14,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14" (1/1) ... [2022-12-06 02:00:14,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 02:00:14,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:00:14,878 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 02:00:14,880 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 02:00:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 02:00:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 02:00:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 02:00:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 02:00:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 02:00:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 02:00:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 02:00:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 02:00:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 02:00:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 02:00:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 02:00:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 02:00:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 02:00:14,914 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 02:00:15,015 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 02:00:15,016 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 02:00:15,311 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 02:00:15,317 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 02:00:15,317 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-06 02:00:15,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:00:15 BoogieIcfgContainer [2022-12-06 02:00:15,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 02:00:15,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 02:00:15,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 02:00:15,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 02:00:15,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 02:00:14" (1/3) ... [2022-12-06 02:00:15,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2626cab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 02:00:15, skipping insertion in model container [2022-12-06 02:00:15,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:14" (2/3) ... [2022-12-06 02:00:15,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2626cab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 02:00:15, skipping insertion in model container [2022-12-06 02:00:15,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:00:15" (3/3) ... [2022-12-06 02:00:15,328 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2022-12-06 02:00:15,340 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 02:00:15,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 02:00:15,341 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 02:00:15,453 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 02:00:15,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 207 transitions, 430 flow [2022-12-06 02:00:15,569 INFO L130 PetriNetUnfolder]: 21/205 cut-off events. [2022-12-06 02:00:15,570 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 02:00:15,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 205 events. 21/205 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 224 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 140. Up to 3 conditions per place. [2022-12-06 02:00:15,575 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 207 transitions, 430 flow [2022-12-06 02:00:15,583 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 183 places, 197 transitions, 406 flow [2022-12-06 02:00:15,585 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:00:15,599 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 197 transitions, 406 flow [2022-12-06 02:00:15,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 183 places, 197 transitions, 406 flow [2022-12-06 02:00:15,647 INFO L130 PetriNetUnfolder]: 21/197 cut-off events. [2022-12-06 02:00:15,647 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 02:00:15,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 197 events. 21/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 223 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 140. Up to 3 conditions per place. [2022-12-06 02:00:15,652 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 197 transitions, 406 flow [2022-12-06 02:00:15,652 INFO L188 LiptonReduction]: Number of co-enabled transitions 2700 [2022-12-06 02:00:22,148 INFO L203 LiptonReduction]: Total number of compositions: 172 [2022-12-06 02:00:22,161 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 02:00:22,166 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;@37bdc907, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 02:00:22,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 02:00:22,172 INFO L130 PetriNetUnfolder]: 7/24 cut-off events. [2022-12-06 02:00:22,172 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 02:00:22,172 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:00:22,173 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:00:22,173 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 02:00:22,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:00:22,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1678144266, now seen corresponding path program 1 times [2022-12-06 02:00:22,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:00:22,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263383995] [2022-12-06 02:00:22,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:00:22,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:00:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:00:22,697 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 02:00:22,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:00:22,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263383995] [2022-12-06 02:00:22,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263383995] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:00:22,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:00:22,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 02:00:22,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768478538] [2022-12-06 02:00:22,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:00:22,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 02:00:22,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:00:22,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 02:00:22,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 02:00:22,720 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 25 [2022-12-06 02:00:22,721 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 25 transitions, 62 flow. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 02:00:22,722 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:00:22,722 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 25 [2022-12-06 02:00:22,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:00:22,825 INFO L130 PetriNetUnfolder]: 98/170 cut-off events. [2022-12-06 02:00:22,826 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-06 02:00:22,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 170 events. 98/170 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 500 event pairs, 42 based on Foata normal form. 1/126 useless extension candidates. Maximal degree in co-relation 290. Up to 132 conditions per place. [2022-12-06 02:00:22,828 INFO L137 encePairwiseOnDemand]: 21/25 looper letters, 33 selfloop transitions, 1 changer transitions 5/40 dead transitions. [2022-12-06 02:00:22,829 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 40 transitions, 182 flow [2022-12-06 02:00:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 02:00:22,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 02:00:22,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2022-12-06 02:00:22,837 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.45 [2022-12-06 02:00:22,839 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 3 predicate places. [2022-12-06 02:00:22,840 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:00:22,841 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 40 transitions, 182 flow [2022-12-06 02:00:22,849 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 40 transitions, 182 flow [2022-12-06 02:00:22,850 INFO L188 LiptonReduction]: Number of co-enabled transitions 16 [2022-12-06 02:00:22,877 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 02:00:22,881 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 41 [2022-12-06 02:00:22,881 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 39 transitions, 180 flow [2022-12-06 02:00:22,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 02:00:22,881 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:00:22,881 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:00:22,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 02:00:22,884 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 02:00:22,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:00:22,885 INFO L85 PathProgramCache]: Analyzing trace with hash -418621268, now seen corresponding path program 2 times [2022-12-06 02:00:22,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:00:22,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428848528] [2022-12-06 02:00:22,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:00:22,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:00:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:00:23,073 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 02:00:23,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:00:23,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428848528] [2022-12-06 02:00:23,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428848528] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:00:23,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:00:23,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 02:00:23,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80314344] [2022-12-06 02:00:23,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:00:23,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 02:00:23,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:00:23,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 02:00:23,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 02:00:23,077 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 25 [2022-12-06 02:00:23,077 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 39 transitions, 180 flow. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 02:00:23,077 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:00:23,077 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 25 [2022-12-06 02:00:23,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:00:23,204 INFO L130 PetriNetUnfolder]: 106/197 cut-off events. [2022-12-06 02:00:23,204 INFO L131 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2022-12-06 02:00:23,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 624 conditions, 197 events. 106/197 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 637 event pairs, 42 based on Foata normal form. 1/140 useless extension candidates. Maximal degree in co-relation 465. Up to 155 conditions per place. [2022-12-06 02:00:23,205 INFO L137 encePairwiseOnDemand]: 21/25 looper letters, 40 selfloop transitions, 1 changer transitions 12/53 dead transitions. [2022-12-06 02:00:23,206 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 53 transitions, 357 flow [2022-12-06 02:00:23,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 02:00:23,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 02:00:23,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 41 transitions. [2022-12-06 02:00:23,207 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.41 [2022-12-06 02:00:23,207 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 5 predicate places. [2022-12-06 02:00:23,207 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:00:23,208 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 53 transitions, 357 flow [2022-12-06 02:00:23,209 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 53 transitions, 357 flow [2022-12-06 02:00:23,209 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:00:23,209 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:00:23,228 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 21 [2022-12-06 02:00:23,229 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 53 transitions, 357 flow [2022-12-06 02:00:23,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 02:00:23,229 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:00:23,229 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:00:23,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 02:00:23,229 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 02:00:23,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:00:23,230 INFO L85 PathProgramCache]: Analyzing trace with hash 482265573, now seen corresponding path program 1 times [2022-12-06 02:00:23,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:00:23,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642698397] [2022-12-06 02:00:23,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:00:23,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:00:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:00:23,258 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 02:00:23,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:00:23,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642698397] [2022-12-06 02:00:23,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642698397] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:00:23,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:00:23,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 02:00:23,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338869426] [2022-12-06 02:00:23,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:00:23,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 02:00:23,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:00:23,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 02:00:23,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 02:00:23,264 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 25 [2022-12-06 02:00:23,264 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 53 transitions, 357 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) [2022-12-06 02:00:23,264 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:00:23,264 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 25 [2022-12-06 02:00:23,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:00:23,313 INFO L130 PetriNetUnfolder]: 80/149 cut-off events. [2022-12-06 02:00:23,313 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-06 02:00:23,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 149 events. 80/149 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 436 event pairs, 16 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 488. Up to 133 conditions per place. [2022-12-06 02:00:23,315 INFO L137 encePairwiseOnDemand]: 21/25 looper letters, 25 selfloop transitions, 2 changer transitions 18/45 dead transitions. [2022-12-06 02:00:23,315 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 45 transitions, 393 flow [2022-12-06 02:00:23,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 02:00:23,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 02:00:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 34 transitions. [2022-12-06 02:00:23,317 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4533333333333333 [2022-12-06 02:00:23,317 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 7 predicate places. [2022-12-06 02:00:23,318 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:00:23,318 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 45 transitions, 393 flow [2022-12-06 02:00:23,319 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 45 transitions, 393 flow [2022-12-06 02:00:23,319 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:00:23,321 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:00:23,322 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 5 [2022-12-06 02:00:23,322 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 45 transitions, 393 flow [2022-12-06 02:00:23,322 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) [2022-12-06 02:00:23,322 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:00:23,322 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:00:23,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 02:00:23,322 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 02:00:23,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:00:23,323 INFO L85 PathProgramCache]: Analyzing trace with hash -918566503, now seen corresponding path program 1 times [2022-12-06 02:00:23,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:00:23,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737578812] [2022-12-06 02:00:23,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:00:23,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:00:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:00:23,683 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 02:00:23,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:00:23,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737578812] [2022-12-06 02:00:23,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737578812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:00:23,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:00:23,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 02:00:23,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082511302] [2022-12-06 02:00:23,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:00:23,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 02:00:23,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:00:23,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 02:00:23,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-06 02:00:23,685 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 24 [2022-12-06 02:00:23,685 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 45 transitions, 393 flow. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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 02:00:23,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:00:23,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 24 [2022-12-06 02:00:23,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:00:24,066 INFO L130 PetriNetUnfolder]: 156/309 cut-off events. [2022-12-06 02:00:24,066 INFO L131 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2022-12-06 02:00:24,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1604 conditions, 309 events. 156/309 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1248 event pairs, 6 based on Foata normal form. 1/246 useless extension candidates. Maximal degree in co-relation 619. Up to 276 conditions per place. [2022-12-06 02:00:24,070 INFO L137 encePairwiseOnDemand]: 10/24 looper letters, 62 selfloop transitions, 14 changer transitions 43/119 dead transitions. [2022-12-06 02:00:24,070 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 119 transitions, 1271 flow [2022-12-06 02:00:24,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-06 02:00:24,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-06 02:00:24,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 96 transitions. [2022-12-06 02:00:24,072 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2022-12-06 02:00:24,074 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 18 predicate places. [2022-12-06 02:00:24,075 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:00:24,075 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 119 transitions, 1271 flow [2022-12-06 02:00:24,077 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 119 transitions, 1271 flow [2022-12-06 02:00:24,077 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:00:28,853 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 02:00:28,854 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4780 [2022-12-06 02:00:28,855 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 117 transitions, 1251 flow [2022-12-06 02:00:28,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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 02:00:28,855 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:00:28,855 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:00:28,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 02:00:28,855 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 02:00:28,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:00:28,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1714349418, now seen corresponding path program 1 times [2022-12-06 02:00:28,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:00:28,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326917177] [2022-12-06 02:00:28,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:00:28,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:00:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:00:29,182 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 02:00:29,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:00:29,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326917177] [2022-12-06 02:00:29,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326917177] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:00:29,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:00:29,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 02:00:29,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011803201] [2022-12-06 02:00:29,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:00:29,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 02:00:29,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:00:29,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 02:00:29,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-06 02:00:29,184 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 26 [2022-12-06 02:00:29,184 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 117 transitions, 1251 flow. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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 02:00:29,184 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:00:29,184 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 26 [2022-12-06 02:00:29,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:00:29,485 INFO L130 PetriNetUnfolder]: 267/540 cut-off events. [2022-12-06 02:00:29,485 INFO L131 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2022-12-06 02:00:29,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3337 conditions, 540 events. 267/540 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2616 event pairs, 8 based on Foata normal form. 1/429 useless extension candidates. Maximal degree in co-relation 1148. Up to 490 conditions per place. [2022-12-06 02:00:29,489 INFO L137 encePairwiseOnDemand]: 13/26 looper letters, 132 selfloop transitions, 15 changer transitions 67/214 dead transitions. [2022-12-06 02:00:29,490 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 214 transitions, 2712 flow [2022-12-06 02:00:29,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-06 02:00:29,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-06 02:00:29,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 84 transitions. [2022-12-06 02:00:29,491 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.358974358974359 [2022-12-06 02:00:29,492 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 24 predicate places. [2022-12-06 02:00:29,492 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:00:29,492 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 214 transitions, 2712 flow [2022-12-06 02:00:29,498 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 214 transitions, 2712 flow [2022-12-06 02:00:29,498 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:00:34,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 02:00:34,978 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IndexOutOfBoundsException: Index 14 out of bounds for length 14 at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70) at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248) at java.base/java.util.Objects.checkIndex(Objects.java:372) at java.base/java.util.ArrayList.get(ArrayList.java:459) at de.uni_freiburg.informatik.ultimate.automata.petrinet.PetriNetRun.getTransition(PetriNetRun.java:125) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ChoiceRule.adaptRun(ChoiceRule.java:163) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ChoiceRule.applyInternal(ChoiceRule.java:115) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ReductionRule.apply(ReductionRule.java:80) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.choiceRuleWrapper(LiptonReduction.java:239) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.performReduction(LiptonReduction.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:143) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:106) 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 02:00:34,980 INFO L158 Benchmark]: Toolchain (without parser) took 20475.61ms. Allocated memory was 181.4MB in the beginning and 316.7MB in the end (delta: 135.3MB). Free memory was 156.5MB in the beginning and 123.4MB in the end (delta: 33.0MB). Peak memory consumption was 190.2MB. Max. memory is 8.0GB. [2022-12-06 02:00:34,981 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 181.4MB. Free memory is still 158.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 02:00:34,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.50ms. Allocated memory is still 181.4MB. Free memory was 156.5MB in the beginning and 144.5MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-06 02:00:34,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.00ms. Allocated memory is still 181.4MB. Free memory was 144.5MB in the beginning and 142.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 02:00:34,983 INFO L158 Benchmark]: Boogie Preprocessor took 26.42ms. Allocated memory is still 181.4MB. Free memory was 142.8MB in the beginning and 141.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 02:00:34,984 INFO L158 Benchmark]: RCFGBuilder took 483.82ms. Allocated memory is still 181.4MB. Free memory was 140.7MB in the beginning and 121.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 02:00:34,984 INFO L158 Benchmark]: TraceAbstraction took 19659.81ms. Allocated memory was 181.4MB in the beginning and 316.7MB in the end (delta: 135.3MB). Free memory was 121.5MB in the beginning and 123.4MB in the end (delta: -2.0MB). Peak memory consumption was 155.6MB. Max. memory is 8.0GB. [2022-12-06 02:00:34,986 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 181.4MB. Free memory is still 158.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 251.50ms. Allocated memory is still 181.4MB. Free memory was 156.5MB in the beginning and 144.5MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.00ms. Allocated memory is still 181.4MB. Free memory was 144.5MB in the beginning and 142.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.42ms. Allocated memory is still 181.4MB. Free memory was 142.8MB in the beginning and 141.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 483.82ms. Allocated memory is still 181.4MB. Free memory was 140.7MB in the beginning and 121.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 19659.81ms. Allocated memory was 181.4MB in the beginning and 316.7MB in the end (delta: 135.3MB). Free memory was 121.5MB in the beginning and 123.4MB in the end (delta: -2.0MB). Peak memory consumption was 155.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.5s, 183 PlacesBefore, 25 PlacesAfterwards, 197 TransitionsBefore, 25 TransitionsAfterwards, 2700 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 108 TrivialYvCompositions, 50 ConcurrentYvCompositions, 13 ChoiceCompositions, 172 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1534, independent: 1507, independent conditional: 1507, independent unconditional: 0, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1534, independent: 1507, independent conditional: 0, independent unconditional: 1507, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1534, independent: 1507, independent conditional: 0, independent unconditional: 1507, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1534, independent: 1507, independent conditional: 0, independent unconditional: 1507, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1422, independent: 1405, independent conditional: 0, independent unconditional: 1405, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1422, independent: 1405, independent conditional: 0, independent unconditional: 1405, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1534, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 1422, unknown conditional: 0, unknown unconditional: 1422] , Statistics on independence cache: Total cache size (in pairs): 2494, Positive cache size: 2477, Positive conditional cache size: 0, Positive unconditional cache size: 2477, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, 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: 0.0s, 28 PlacesBefore, 27 PlacesAfterwards, 40 TransitionsBefore, 39 TransitionsAfterwards, 16 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 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 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 30 PlacesBefore, 30 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 32 PlacesBefore, 32 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 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 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8s, 43 PlacesBefore, 41 PlacesAfterwards, 119 TransitionsBefore, 117 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 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: IndexOutOfBoundsException: Index 14 out of bounds for length 14 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IndexOutOfBoundsException: Index 14 out of bounds for length 14: java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-06 02:00:35,005 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...