/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/pthread-wmm/mix005.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 22:53:38,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 22:53:38,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 22:53:38,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 22:53:38,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 22:53:38,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 22:53:38,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 22:53:38,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 22:53:39,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 22:53:39,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 22:53:39,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 22:53:39,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 22:53:39,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 22:53:39,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 22:53:39,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 22:53:39,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 22:53:39,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 22:53:39,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 22:53:39,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 22:53:39,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 22:53:39,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 22:53:39,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 22:53:39,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 22:53:39,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 22:53:39,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 22:53:39,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 22:53:39,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 22:53:39,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 22:53:39,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 22:53:39,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 22:53:39,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 22:53:39,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 22:53:39,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 22:53:39,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 22:53:39,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 22:53:39,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 22:53:39,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 22:53:39,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 22:53:39,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 22:53:39,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 22:53:39,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 22:53:39,036 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 22:53:39,059 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 22:53:39,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 22:53:39,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 22:53:39,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 22:53:39,061 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 22:53:39,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 22:53:39,061 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 22:53:39,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 22:53:39,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 22:53:39,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 22:53:39,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 22:53:39,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 22:53:39,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 22:53:39,063 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 22:53:39,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 22:53:39,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 22:53:39,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 22:53:39,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 22:53:39,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 22:53:39,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 22:53:39,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 22:53:39,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 22:53:39,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 22:53:39,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 22:53:39,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 22:53:39,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 22:53:39,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 22:53:39,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 22:53:39,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 22:53:39,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 22:53:39,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 22:53:39,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 22:53:39,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 22:53:39,368 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 22:53:39,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix005.opt.i [2022-12-05 22:53:40,448 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 22:53:40,695 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 22:53:40,696 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005.opt.i [2022-12-05 22:53:40,706 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf1b92745/aafff39e73624e2fa86e435a19415c2b/FLAG90dafe2d0 [2022-12-05 22:53:40,718 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf1b92745/aafff39e73624e2fa86e435a19415c2b [2022-12-05 22:53:40,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 22:53:40,721 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 22:53:40,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 22:53:40,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 22:53:40,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 22:53:40,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:53:40" (1/1) ... [2022-12-05 22:53:40,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@104404fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:40, skipping insertion in model container [2022-12-05 22:53:40,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:53:40" (1/1) ... [2022-12-05 22:53:40,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 22:53:40,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 22:53:40,853 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005.opt.i[944,957] [2022-12-05 22:53:40,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,947 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,948 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,948 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,956 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,956 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 22:53:40,971 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 22:53:40,979 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005.opt.i[944,957] [2022-12-05 22:53:40,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:40,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:40,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:41,003 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:41,003 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:41,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:41,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:41,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:41,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:41,005 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:41,005 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:41,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:41,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:41,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:41,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:41,018 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:41,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:41,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:41,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:41,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:41,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:41,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:41,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:53:41,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:53:41,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 22:53:41,060 INFO L208 MainTranslator]: Completed translation [2022-12-05 22:53:41,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41 WrapperNode [2022-12-05 22:53:41,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 22:53:41,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 22:53:41,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 22:53:41,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 22:53:41,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41" (1/1) ... [2022-12-05 22:53:41,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41" (1/1) ... [2022-12-05 22:53:41,113 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 164 [2022-12-05 22:53:41,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 22:53:41,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 22:53:41,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 22:53:41,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 22:53:41,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41" (1/1) ... [2022-12-05 22:53:41,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41" (1/1) ... [2022-12-05 22:53:41,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41" (1/1) ... [2022-12-05 22:53:41,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41" (1/1) ... [2022-12-05 22:53:41,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41" (1/1) ... [2022-12-05 22:53:41,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41" (1/1) ... [2022-12-05 22:53:41,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41" (1/1) ... [2022-12-05 22:53:41,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41" (1/1) ... [2022-12-05 22:53:41,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 22:53:41,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 22:53:41,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 22:53:41,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 22:53:41,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41" (1/1) ... [2022-12-05 22:53:41,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 22:53:41,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 22:53:41,222 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 22:53:41,263 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 22:53:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 22:53:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 22:53:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 22:53:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 22:53:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 22:53:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-05 22:53:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-05 22:53:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-05 22:53:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-05 22:53:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-05 22:53:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-05 22:53:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-05 22:53:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-05 22:53:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 22:53:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 22:53:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 22:53:41,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 22:53:41,290 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 22:53:41,382 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 22:53:41,384 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 22:53:41,656 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 22:53:41,736 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 22:53:41,737 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 22:53:41,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:53:41 BoogieIcfgContainer [2022-12-05 22:53:41,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 22:53:41,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 22:53:41,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 22:53:41,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 22:53:41,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 10:53:40" (1/3) ... [2022-12-05 22:53:41,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cdef1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 10:53:41, skipping insertion in model container [2022-12-05 22:53:41,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:41" (2/3) ... [2022-12-05 22:53:41,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cdef1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 10:53:41, skipping insertion in model container [2022-12-05 22:53:41,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:53:41" (3/3) ... [2022-12-05 22:53:41,744 INFO L112 eAbstractionObserver]: Analyzing ICFG mix005.opt.i [2022-12-05 22:53:41,756 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 22:53:41,756 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-05 22:53:41,756 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 22:53:41,815 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-05 22:53:41,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 141 places, 130 transitions, 280 flow [2022-12-05 22:53:41,913 INFO L130 PetriNetUnfolder]: 2/126 cut-off events. [2022-12-05 22:53:41,914 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 22:53:41,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 126 events. 2/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 65 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-05 22:53:41,918 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 130 transitions, 280 flow [2022-12-05 22:53:41,924 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 137 places, 126 transitions, 264 flow [2022-12-05 22:53:41,926 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:41,954 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 126 transitions, 264 flow [2022-12-05 22:53:41,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 126 transitions, 264 flow [2022-12-05 22:53:42,021 INFO L130 PetriNetUnfolder]: 2/126 cut-off events. [2022-12-05 22:53:42,021 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 22:53:42,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 126 events. 2/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 65 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-05 22:53:42,025 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 126 transitions, 264 flow [2022-12-05 22:53:42,025 INFO L188 LiptonReduction]: Number of co-enabled transitions 2836 [2022-12-05 22:53:46,554 INFO L203 LiptonReduction]: Total number of compositions: 98 [2022-12-05 22:53:46,569 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 22:53:46,574 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;@6fc42e62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 22:53:46,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-05 22:53:46,578 INFO L130 PetriNetUnfolder]: 0/16 cut-off events. [2022-12-05 22:53:46,578 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 22:53:46,578 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:53:46,578 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:53:46,579 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:53:46,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:53:46,582 INFO L85 PathProgramCache]: Analyzing trace with hash -393038656, now seen corresponding path program 1 times [2022-12-05 22:53:46,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:53:46,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193971389] [2022-12-05 22:53:46,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:53:46,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:53:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:53:46,915 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 22:53:46,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:53:46,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193971389] [2022-12-05 22:53:46,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193971389] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:53:46,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:53:46,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 22:53:46,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955821999] [2022-12-05 22:53:46,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:53:46,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 22:53:46,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:53:46,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 22:53:46,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 22:53:46,945 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 31 [2022-12-05 22:53:46,946 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 31 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 22:53:46,946 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:53:46,946 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 31 [2022-12-05 22:53:46,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:53:47,456 INFO L130 PetriNetUnfolder]: 3113/4519 cut-off events. [2022-12-05 22:53:47,456 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-05 22:53:47,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8913 conditions, 4519 events. 3113/4519 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 24159 event pairs, 593 based on Foata normal form. 0/4146 useless extension candidates. Maximal degree in co-relation 8901. Up to 3385 conditions per place. [2022-12-05 22:53:47,477 INFO L137 encePairwiseOnDemand]: 26/31 looper letters, 30 selfloop transitions, 2 changer transitions 4/40 dead transitions. [2022-12-05 22:53:47,477 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 40 transitions, 164 flow [2022-12-05 22:53:47,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 22:53:47,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 22:53:47,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-12-05 22:53:47,485 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5698924731182796 [2022-12-05 22:53:47,486 INFO L175 Difference]: Start difference. First operand has 43 places, 31 transitions, 74 flow. Second operand 3 states and 53 transitions. [2022-12-05 22:53:47,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 40 transitions, 164 flow [2022-12-05 22:53:47,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 40 transitions, 160 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-05 22:53:47,490 INFO L231 Difference]: Finished difference. Result has 39 places, 26 transitions, 64 flow [2022-12-05 22:53:47,491 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=39, PETRI_TRANSITIONS=26} [2022-12-05 22:53:47,493 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -4 predicate places. [2022-12-05 22:53:47,493 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:53:47,494 INFO L89 Accepts]: Start accepts. Operand has 39 places, 26 transitions, 64 flow [2022-12-05 22:53:47,496 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:53:47,496 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:47,496 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 26 transitions, 64 flow [2022-12-05 22:53:47,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 26 transitions, 64 flow [2022-12-05 22:53:47,501 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-12-05 22:53:47,501 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 22:53:47,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-05 22:53:47,501 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 26 transitions, 64 flow [2022-12-05 22:53:47,501 INFO L188 LiptonReduction]: Number of co-enabled transitions 332 [2022-12-05 22:53:47,592 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:53:47,593 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 100 [2022-12-05 22:53:47,593 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 26 transitions, 64 flow [2022-12-05 22:53:47,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 22:53:47,594 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:53:47,594 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:53:47,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 22:53:47,594 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:53:47,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:53:47,594 INFO L85 PathProgramCache]: Analyzing trace with hash 246988925, now seen corresponding path program 1 times [2022-12-05 22:53:47,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:53:47,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906312290] [2022-12-05 22:53:47,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:53:47,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:53:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:53:47,757 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 22:53:47,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:53:47,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906312290] [2022-12-05 22:53:47,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906312290] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:53:47,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:53:47,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 22:53:47,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317652755] [2022-12-05 22:53:47,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:53:47,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 22:53:47,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:53:47,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 22:53:47,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 22:53:47,760 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 26 [2022-12-05 22:53:47,760 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 26 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 22:53:47,760 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:53:47,760 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 26 [2022-12-05 22:53:47,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:53:48,066 INFO L130 PetriNetUnfolder]: 2715/3966 cut-off events. [2022-12-05 22:53:48,066 INFO L131 PetriNetUnfolder]: For 178/178 co-relation queries the response was YES. [2022-12-05 22:53:48,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8048 conditions, 3966 events. 2715/3966 cut-off events. For 178/178 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 20418 event pairs, 799 based on Foata normal form. 40/3987 useless extension candidates. Maximal degree in co-relation 8038. Up to 3389 conditions per place. [2022-12-05 22:53:48,083 INFO L137 encePairwiseOnDemand]: 22/26 looper letters, 38 selfloop transitions, 3 changer transitions 0/44 dead transitions. [2022-12-05 22:53:48,083 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 44 transitions, 190 flow [2022-12-05 22:53:48,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 22:53:48,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 22:53:48,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2022-12-05 22:53:48,085 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6538461538461539 [2022-12-05 22:53:48,085 INFO L175 Difference]: Start difference. First operand has 37 places, 26 transitions, 64 flow. Second operand 3 states and 51 transitions. [2022-12-05 22:53:48,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 44 transitions, 190 flow [2022-12-05 22:53:48,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 44 transitions, 184 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 22:53:48,087 INFO L231 Difference]: Finished difference. Result has 38 places, 28 transitions, 79 flow [2022-12-05 22:53:48,087 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=79, PETRI_PLACES=38, PETRI_TRANSITIONS=28} [2022-12-05 22:53:48,087 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -5 predicate places. [2022-12-05 22:53:48,088 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:53:48,088 INFO L89 Accepts]: Start accepts. Operand has 38 places, 28 transitions, 79 flow [2022-12-05 22:53:48,088 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:53:48,088 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:48,088 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 28 transitions, 79 flow [2022-12-05 22:53:48,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 79 flow [2022-12-05 22:53:48,097 INFO L130 PetriNetUnfolder]: 3/36 cut-off events. [2022-12-05 22:53:48,097 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 22:53:48,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 36 events. 3/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 1 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 51. Up to 10 conditions per place. [2022-12-05 22:53:48,098 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 28 transitions, 79 flow [2022-12-05 22:53:48,098 INFO L188 LiptonReduction]: Number of co-enabled transitions 386 [2022-12-05 22:53:48,110 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:53:48,110 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 22 [2022-12-05 22:53:48,111 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 79 flow [2022-12-05 22:53:48,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 22:53:48,111 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:53:48,111 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:53:48,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 22:53:48,111 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:53:48,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:53:48,111 INFO L85 PathProgramCache]: Analyzing trace with hash -933277752, now seen corresponding path program 1 times [2022-12-05 22:53:48,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:53:48,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565813945] [2022-12-05 22:53:48,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:53:48,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:53:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:53:48,199 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 22:53:48,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:53:48,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565813945] [2022-12-05 22:53:48,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565813945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:53:48,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:53:48,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 22:53:48,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901098911] [2022-12-05 22:53:48,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:53:48,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 22:53:48,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:53:48,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 22:53:48,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 22:53:48,201 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 26 [2022-12-05 22:53:48,201 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 79 flow. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 22:53:48,201 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:53:48,201 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 26 [2022-12-05 22:53:48,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:53:48,788 INFO L130 PetriNetUnfolder]: 6509/8990 cut-off events. [2022-12-05 22:53:48,788 INFO L131 PetriNetUnfolder]: For 1308/1308 co-relation queries the response was YES. [2022-12-05 22:53:48,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19823 conditions, 8990 events. 6509/8990 cut-off events. For 1308/1308 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 43064 event pairs, 1665 based on Foata normal form. 312/9302 useless extension candidates. Maximal degree in co-relation 19812. Up to 5141 conditions per place. [2022-12-05 22:53:48,828 INFO L137 encePairwiseOnDemand]: 17/26 looper letters, 51 selfloop transitions, 9 changer transitions 0/60 dead transitions. [2022-12-05 22:53:48,828 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 60 transitions, 279 flow [2022-12-05 22:53:48,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 22:53:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 22:53:48,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 58 transitions. [2022-12-05 22:53:48,830 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5576923076923077 [2022-12-05 22:53:48,830 INFO L175 Difference]: Start difference. First operand has 38 places, 28 transitions, 79 flow. Second operand 4 states and 58 transitions. [2022-12-05 22:53:48,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 60 transitions, 279 flow [2022-12-05 22:53:48,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 60 transitions, 274 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 22:53:48,831 INFO L231 Difference]: Finished difference. Result has 43 places, 35 transitions, 150 flow [2022-12-05 22:53:48,831 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=150, PETRI_PLACES=43, PETRI_TRANSITIONS=35} [2022-12-05 22:53:48,832 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 0 predicate places. [2022-12-05 22:53:48,832 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:53:48,832 INFO L89 Accepts]: Start accepts. Operand has 43 places, 35 transitions, 150 flow [2022-12-05 22:53:48,832 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:53:48,833 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:48,833 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 35 transitions, 150 flow [2022-12-05 22:53:48,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 35 transitions, 150 flow [2022-12-05 22:53:48,856 INFO L130 PetriNetUnfolder]: 150/343 cut-off events. [2022-12-05 22:53:48,856 INFO L131 PetriNetUnfolder]: For 216/256 co-relation queries the response was YES. [2022-12-05 22:53:48,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 820 conditions, 343 events. 150/343 cut-off events. For 216/256 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1857 event pairs, 72 based on Foata normal form. 3/328 useless extension candidates. Maximal degree in co-relation 808. Up to 214 conditions per place. [2022-12-05 22:53:48,859 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 35 transitions, 150 flow [2022-12-05 22:53:48,859 INFO L188 LiptonReduction]: Number of co-enabled transitions 454 [2022-12-05 22:53:48,891 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:53:48,892 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 60 [2022-12-05 22:53:48,892 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 35 transitions, 150 flow [2022-12-05 22:53:48,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 22:53:48,892 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:53:48,892 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:53:48,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 22:53:48,893 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:53:48,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:53:48,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1084142392, now seen corresponding path program 1 times [2022-12-05 22:53:48,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:53:48,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168891585] [2022-12-05 22:53:48,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:53:48,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:53:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:53:49,031 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 22:53:49,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:53:49,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168891585] [2022-12-05 22:53:49,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168891585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:53:49,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:53:49,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 22:53:49,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138517268] [2022-12-05 22:53:49,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:53:49,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 22:53:49,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:53:49,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 22:53:49,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 22:53:49,036 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 26 [2022-12-05 22:53:49,036 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 35 transitions, 150 flow. Second operand has 4 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 22:53:49,036 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:53:49,036 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 26 [2022-12-05 22:53:49,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:53:49,679 INFO L130 PetriNetUnfolder]: 6695/9248 cut-off events. [2022-12-05 22:53:49,679 INFO L131 PetriNetUnfolder]: For 6470/6470 co-relation queries the response was YES. [2022-12-05 22:53:49,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24805 conditions, 9248 events. 6695/9248 cut-off events. For 6470/6470 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 42966 event pairs, 1911 based on Foata normal form. 84/9332 useless extension candidates. Maximal degree in co-relation 24790. Up to 4869 conditions per place. [2022-12-05 22:53:49,723 INFO L137 encePairwiseOnDemand]: 17/26 looper letters, 51 selfloop transitions, 15 changer transitions 0/66 dead transitions. [2022-12-05 22:53:49,723 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 66 transitions, 404 flow [2022-12-05 22:53:49,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 22:53:49,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 22:53:49,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 52 transitions. [2022-12-05 22:53:49,726 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-05 22:53:49,726 INFO L175 Difference]: Start difference. First operand has 43 places, 35 transitions, 150 flow. Second operand 4 states and 52 transitions. [2022-12-05 22:53:49,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 66 transitions, 404 flow [2022-12-05 22:53:49,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 66 transitions, 396 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-12-05 22:53:49,735 INFO L231 Difference]: Finished difference. Result has 48 places, 46 transitions, 295 flow [2022-12-05 22:53:49,735 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=295, PETRI_PLACES=48, PETRI_TRANSITIONS=46} [2022-12-05 22:53:49,736 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 5 predicate places. [2022-12-05 22:53:49,737 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:53:49,737 INFO L89 Accepts]: Start accepts. Operand has 48 places, 46 transitions, 295 flow [2022-12-05 22:53:49,738 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:53:49,738 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:49,738 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 46 transitions, 295 flow [2022-12-05 22:53:49,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 46 transitions, 295 flow [2022-12-05 22:53:49,763 INFO L130 PetriNetUnfolder]: 136/321 cut-off events. [2022-12-05 22:53:49,764 INFO L131 PetriNetUnfolder]: For 485/503 co-relation queries the response was YES. [2022-12-05 22:53:49,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1050 conditions, 321 events. 136/321 cut-off events. For 485/503 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1656 event pairs, 61 based on Foata normal form. 7/316 useless extension candidates. Maximal degree in co-relation 1034. Up to 179 conditions per place. [2022-12-05 22:53:49,766 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 46 transitions, 295 flow [2022-12-05 22:53:49,766 INFO L188 LiptonReduction]: Number of co-enabled transitions 536 [2022-12-05 22:53:49,770 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:53:49,776 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 39 [2022-12-05 22:53:49,776 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 46 transitions, 295 flow [2022-12-05 22:53:49,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 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 22:53:49,777 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:53:49,777 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:53:49,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 22:53:49,777 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:53:49,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:53:49,777 INFO L85 PathProgramCache]: Analyzing trace with hash -52475647, now seen corresponding path program 1 times [2022-12-05 22:53:49,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:53:49,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509099355] [2022-12-05 22:53:49,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:53:49,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:53:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:53:49,918 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 22:53:49,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:53:49,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509099355] [2022-12-05 22:53:49,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509099355] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:53:49,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:53:49,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 22:53:49,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991089514] [2022-12-05 22:53:49,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:53:49,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 22:53:49,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:53:49,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 22:53:49,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 22:53:49,920 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 26 [2022-12-05 22:53:49,920 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 46 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 22:53:49,920 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:53:49,920 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 26 [2022-12-05 22:53:49,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:53:50,361 INFO L130 PetriNetUnfolder]: 3307/4963 cut-off events. [2022-12-05 22:53:50,361 INFO L131 PetriNetUnfolder]: For 6619/7068 co-relation queries the response was YES. [2022-12-05 22:53:50,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14036 conditions, 4963 events. 3307/4963 cut-off events. For 6619/7068 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 27573 event pairs, 843 based on Foata normal form. 183/4886 useless extension candidates. Maximal degree in co-relation 14017. Up to 4266 conditions per place. [2022-12-05 22:53:50,405 INFO L137 encePairwiseOnDemand]: 20/26 looper letters, 48 selfloop transitions, 5 changer transitions 0/70 dead transitions. [2022-12-05 22:53:50,406 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 70 transitions, 515 flow [2022-12-05 22:53:50,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 22:53:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 22:53:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-05 22:53:50,420 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2022-12-05 22:53:50,420 INFO L175 Difference]: Start difference. First operand has 48 places, 46 transitions, 295 flow. Second operand 3 states and 52 transitions. [2022-12-05 22:53:50,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 70 transitions, 515 flow [2022-12-05 22:53:50,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 70 transitions, 506 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-12-05 22:53:50,424 INFO L231 Difference]: Finished difference. Result has 50 places, 50 transitions, 323 flow [2022-12-05 22:53:50,424 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=50, PETRI_TRANSITIONS=50} [2022-12-05 22:53:50,425 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 7 predicate places. [2022-12-05 22:53:50,425 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:53:50,425 INFO L89 Accepts]: Start accepts. Operand has 50 places, 50 transitions, 323 flow [2022-12-05 22:53:50,426 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:53:50,426 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:50,426 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 50 transitions, 323 flow [2022-12-05 22:53:50,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 50 transitions, 323 flow [2022-12-05 22:53:50,506 INFO L130 PetriNetUnfolder]: 503/1100 cut-off events. [2022-12-05 22:53:50,506 INFO L131 PetriNetUnfolder]: For 929/999 co-relation queries the response was YES. [2022-12-05 22:53:50,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2845 conditions, 1100 events. 503/1100 cut-off events. For 929/999 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 7781 event pairs, 267 based on Foata normal form. 7/1002 useless extension candidates. Maximal degree in co-relation 2827. Up to 612 conditions per place. [2022-12-05 22:53:50,515 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 50 transitions, 323 flow [2022-12-05 22:53:50,515 INFO L188 LiptonReduction]: Number of co-enabled transitions 674 [2022-12-05 22:53:50,524 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:53:50,525 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 100 [2022-12-05 22:53:50,525 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 50 transitions, 323 flow [2022-12-05 22:53:50,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 22:53:50,525 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:53:50,525 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:53:50,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 22:53:50,525 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:53:50,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:53:50,526 INFO L85 PathProgramCache]: Analyzing trace with hash -355160451, now seen corresponding path program 1 times [2022-12-05 22:53:50,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:53:50,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007583716] [2022-12-05 22:53:50,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:53:50,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:53:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:53:50,629 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 22:53:50,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:53:50,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007583716] [2022-12-05 22:53:50,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007583716] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:53:50,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:53:50,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 22:53:50,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599228694] [2022-12-05 22:53:50,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:53:50,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 22:53:50,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:53:50,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 22:53:50,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 22:53:50,630 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 26 [2022-12-05 22:53:50,630 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 50 transitions, 323 flow. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 22:53:50,630 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:53:50,630 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 26 [2022-12-05 22:53:50,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:53:51,357 INFO L130 PetriNetUnfolder]: 5786/8373 cut-off events. [2022-12-05 22:53:51,357 INFO L131 PetriNetUnfolder]: For 13543/13543 co-relation queries the response was YES. [2022-12-05 22:53:51,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28986 conditions, 8373 events. 5786/8373 cut-off events. For 13543/13543 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 42699 event pairs, 1996 based on Foata normal form. 78/8451 useless extension candidates. Maximal degree in co-relation 28965. Up to 4285 conditions per place. [2022-12-05 22:53:51,385 INFO L137 encePairwiseOnDemand]: 20/26 looper letters, 65 selfloop transitions, 13 changer transitions 6/84 dead transitions. [2022-12-05 22:53:51,385 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 84 transitions, 623 flow [2022-12-05 22:53:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 22:53:51,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 22:53:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 59 transitions. [2022-12-05 22:53:51,386 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5673076923076923 [2022-12-05 22:53:51,386 INFO L175 Difference]: Start difference. First operand has 50 places, 50 transitions, 323 flow. Second operand 4 states and 59 transitions. [2022-12-05 22:53:51,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 84 transitions, 623 flow [2022-12-05 22:53:51,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 84 transitions, 614 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 22:53:51,392 INFO L231 Difference]: Finished difference. Result has 54 places, 48 transitions, 340 flow [2022-12-05 22:53:51,392 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=340, PETRI_PLACES=54, PETRI_TRANSITIONS=48} [2022-12-05 22:53:51,393 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 11 predicate places. [2022-12-05 22:53:51,393 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:53:51,393 INFO L89 Accepts]: Start accepts. Operand has 54 places, 48 transitions, 340 flow [2022-12-05 22:53:51,393 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:53:51,393 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:51,394 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 48 transitions, 340 flow [2022-12-05 22:53:51,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 48 transitions, 340 flow [2022-12-05 22:53:51,461 INFO L130 PetriNetUnfolder]: 528/1191 cut-off events. [2022-12-05 22:53:51,461 INFO L131 PetriNetUnfolder]: For 1285/1368 co-relation queries the response was YES. [2022-12-05 22:53:51,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3016 conditions, 1191 events. 528/1191 cut-off events. For 1285/1368 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 8656 event pairs, 287 based on Foata normal form. 6/1076 useless extension candidates. Maximal degree in co-relation 2995. Up to 718 conditions per place. [2022-12-05 22:53:51,471 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 48 transitions, 340 flow [2022-12-05 22:53:51,472 INFO L188 LiptonReduction]: Number of co-enabled transitions 582 [2022-12-05 22:53:51,477 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:53:51,477 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 84 [2022-12-05 22:53:51,478 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 48 transitions, 340 flow [2022-12-05 22:53:51,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 22:53:51,478 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:53:51,478 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:53:51,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-05 22:53:51,478 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:53:51,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:53:51,478 INFO L85 PathProgramCache]: Analyzing trace with hash -329344161, now seen corresponding path program 1 times [2022-12-05 22:53:51,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:53:51,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389298398] [2022-12-05 22:53:51,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:53:51,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:53:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:53:51,602 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 22:53:51,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:53:51,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389298398] [2022-12-05 22:53:51,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389298398] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:53:51,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:53:51,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 22:53:51,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207950400] [2022-12-05 22:53:51,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:53:51,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 22:53:51,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:53:51,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 22:53:51,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 22:53:51,603 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 26 [2022-12-05 22:53:51,604 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 48 transitions, 340 flow. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 22:53:51,604 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:53:51,604 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 26 [2022-12-05 22:53:51,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:53:52,280 INFO L130 PetriNetUnfolder]: 6053/8956 cut-off events. [2022-12-05 22:53:52,280 INFO L131 PetriNetUnfolder]: For 17958/17958 co-relation queries the response was YES. [2022-12-05 22:53:52,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31411 conditions, 8956 events. 6053/8956 cut-off events. For 17958/17958 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 49909 event pairs, 616 based on Foata normal form. 78/9034 useless extension candidates. Maximal degree in co-relation 31387. Up to 4300 conditions per place. [2022-12-05 22:53:52,317 INFO L137 encePairwiseOnDemand]: 16/26 looper letters, 85 selfloop transitions, 31 changer transitions 12/128 dead transitions. [2022-12-05 22:53:52,317 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 128 transitions, 991 flow [2022-12-05 22:53:52,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 22:53:52,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 22:53:52,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 92 transitions. [2022-12-05 22:53:52,318 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5897435897435898 [2022-12-05 22:53:52,318 INFO L175 Difference]: Start difference. First operand has 54 places, 48 transitions, 340 flow. Second operand 6 states and 92 transitions. [2022-12-05 22:53:52,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 128 transitions, 991 flow [2022-12-05 22:53:52,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 128 transitions, 969 flow, removed 11 selfloop flow, removed 0 redundant places. [2022-12-05 22:53:52,326 INFO L231 Difference]: Finished difference. Result has 63 places, 63 transitions, 600 flow [2022-12-05 22:53:52,326 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=600, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2022-12-05 22:53:52,326 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 20 predicate places. [2022-12-05 22:53:52,326 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:53:52,326 INFO L89 Accepts]: Start accepts. Operand has 63 places, 63 transitions, 600 flow [2022-12-05 22:53:52,327 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:53:52,327 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:52,328 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 63 transitions, 600 flow [2022-12-05 22:53:52,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 63 transitions, 600 flow [2022-12-05 22:53:52,431 INFO L130 PetriNetUnfolder]: 796/1793 cut-off events. [2022-12-05 22:53:52,431 INFO L131 PetriNetUnfolder]: For 2679/2847 co-relation queries the response was YES. [2022-12-05 22:53:52,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4729 conditions, 1793 events. 796/1793 cut-off events. For 2679/2847 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 14324 event pairs, 407 based on Foata normal form. 6/1619 useless extension candidates. Maximal degree in co-relation 4702. Up to 1169 conditions per place. [2022-12-05 22:53:52,451 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 63 transitions, 600 flow [2022-12-05 22:53:52,451 INFO L188 LiptonReduction]: Number of co-enabled transitions 752 [2022-12-05 22:53:52,457 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:53:52,457 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 131 [2022-12-05 22:53:52,457 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 600 flow [2022-12-05 22:53:52,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 22:53:52,458 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:53:52,458 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:53:52,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-05 22:53:52,458 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:53:52,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:53:52,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1196428175, now seen corresponding path program 2 times [2022-12-05 22:53:52,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:53:52,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772328510] [2022-12-05 22:53:52,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:53:52,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:53:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:53:52,621 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 22:53:52,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:53:52,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772328510] [2022-12-05 22:53:52,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772328510] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:53:52,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:53:52,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 22:53:52,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230160551] [2022-12-05 22:53:52,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:53:52,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 22:53:52,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:53:52,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 22:53:52,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 22:53:52,623 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 26 [2022-12-05 22:53:52,623 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 600 flow. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 22:53:52,623 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:53:52,623 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 26 [2022-12-05 22:53:52,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:53:52,999 INFO L130 PetriNetUnfolder]: 2619/4278 cut-off events. [2022-12-05 22:53:53,000 INFO L131 PetriNetUnfolder]: For 10986/11318 co-relation queries the response was YES. [2022-12-05 22:53:53,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15292 conditions, 4278 events. 2619/4278 cut-off events. For 10986/11318 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 25943 event pairs, 436 based on Foata normal form. 421/4525 useless extension candidates. Maximal degree in co-relation 15262. Up to 2460 conditions per place. [2022-12-05 22:53:53,019 INFO L137 encePairwiseOnDemand]: 20/26 looper letters, 83 selfloop transitions, 9 changer transitions 4/114 dead transitions. [2022-12-05 22:53:53,020 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 114 transitions, 1204 flow [2022-12-05 22:53:53,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 22:53:53,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 22:53:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 71 transitions. [2022-12-05 22:53:53,020 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6826923076923077 [2022-12-05 22:53:53,021 INFO L175 Difference]: Start difference. First operand has 63 places, 63 transitions, 600 flow. Second operand 4 states and 71 transitions. [2022-12-05 22:53:53,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 114 transitions, 1204 flow [2022-12-05 22:53:53,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 114 transitions, 1188 flow, removed 8 selfloop flow, removed 0 redundant places. [2022-12-05 22:53:53,029 INFO L231 Difference]: Finished difference. Result has 67 places, 65 transitions, 620 flow [2022-12-05 22:53:53,029 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=620, PETRI_PLACES=67, PETRI_TRANSITIONS=65} [2022-12-05 22:53:53,031 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 24 predicate places. [2022-12-05 22:53:53,031 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:53:53,031 INFO L89 Accepts]: Start accepts. Operand has 67 places, 65 transitions, 620 flow [2022-12-05 22:53:53,032 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:53:53,032 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:53,032 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 65 transitions, 620 flow [2022-12-05 22:53:53,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 65 transitions, 620 flow [2022-12-05 22:53:53,103 INFO L130 PetriNetUnfolder]: 495/1232 cut-off events. [2022-12-05 22:53:53,104 INFO L131 PetriNetUnfolder]: For 2302/2803 co-relation queries the response was YES. [2022-12-05 22:53:53,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4286 conditions, 1232 events. 495/1232 cut-off events. For 2302/2803 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 9296 event pairs, 140 based on Foata normal form. 44/1215 useless extension candidates. Maximal degree in co-relation 4256. Up to 762 conditions per place. [2022-12-05 22:53:53,113 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 65 transitions, 620 flow [2022-12-05 22:53:53,113 INFO L188 LiptonReduction]: Number of co-enabled transitions 782 [2022-12-05 22:53:53,117 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:53:53,117 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 86 [2022-12-05 22:53:53,117 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 620 flow [2022-12-05 22:53:53,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 22:53:53,118 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:53:53,118 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:53:53,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-05 22:53:53,118 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:53:53,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:53:53,118 INFO L85 PathProgramCache]: Analyzing trace with hash -204566124, now seen corresponding path program 1 times [2022-12-05 22:53:53,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:53:53,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607549365] [2022-12-05 22:53:53,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:53:53,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:53:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:53:53,228 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 22:53:53,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:53:53,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607549365] [2022-12-05 22:53:53,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607549365] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:53:53,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:53:53,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 22:53:53,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210795956] [2022-12-05 22:53:53,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:53:53,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 22:53:53,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:53:53,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 22:53:53,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-05 22:53:53,229 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 26 [2022-12-05 22:53:53,229 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 620 flow. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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 22:53:53,229 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:53:53,229 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 26 [2022-12-05 22:53:53,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:53:53,508 INFO L130 PetriNetUnfolder]: 1781/2962 cut-off events. [2022-12-05 22:53:53,508 INFO L131 PetriNetUnfolder]: For 9330/9735 co-relation queries the response was YES. [2022-12-05 22:53:53,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12403 conditions, 2962 events. 1781/2962 cut-off events. For 9330/9735 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 17251 event pairs, 279 based on Foata normal form. 349/3173 useless extension candidates. Maximal degree in co-relation 12370. Up to 1158 conditions per place. [2022-12-05 22:53:53,520 INFO L137 encePairwiseOnDemand]: 20/26 looper letters, 91 selfloop transitions, 13 changer transitions 5/125 dead transitions. [2022-12-05 22:53:53,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 125 transitions, 1302 flow [2022-12-05 22:53:53,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 22:53:53,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 22:53:53,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 88 transitions. [2022-12-05 22:53:53,521 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.676923076923077 [2022-12-05 22:53:53,521 INFO L175 Difference]: Start difference. First operand has 67 places, 65 transitions, 620 flow. Second operand 5 states and 88 transitions. [2022-12-05 22:53:53,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 125 transitions, 1302 flow [2022-12-05 22:53:53,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 125 transitions, 1284 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-12-05 22:53:53,529 INFO L231 Difference]: Finished difference. Result has 70 places, 66 transitions, 628 flow [2022-12-05 22:53:53,529 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=628, PETRI_PLACES=70, PETRI_TRANSITIONS=66} [2022-12-05 22:53:53,530 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 27 predicate places. [2022-12-05 22:53:53,530 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:53:53,530 INFO L89 Accepts]: Start accepts. Operand has 70 places, 66 transitions, 628 flow [2022-12-05 22:53:53,531 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:53:53,531 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:53,531 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 66 transitions, 628 flow [2022-12-05 22:53:53,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 66 transitions, 628 flow [2022-12-05 22:53:53,576 INFO L130 PetriNetUnfolder]: 306/760 cut-off events. [2022-12-05 22:53:53,576 INFO L131 PetriNetUnfolder]: For 2148/2520 co-relation queries the response was YES. [2022-12-05 22:53:53,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3060 conditions, 760 events. 306/760 cut-off events. For 2148/2520 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4906 event pairs, 60 based on Foata normal form. 58/778 useless extension candidates. Maximal degree in co-relation 3029. Up to 373 conditions per place. [2022-12-05 22:53:53,581 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 66 transitions, 628 flow [2022-12-05 22:53:53,582 INFO L188 LiptonReduction]: Number of co-enabled transitions 690 [2022-12-05 22:53:53,592 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:53:53,593 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 63 [2022-12-05 22:53:53,593 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 66 transitions, 628 flow [2022-12-05 22:53:53,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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 22:53:53,593 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:53:53,593 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:53:53,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-05 22:53:53,594 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:53:53,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:53:53,594 INFO L85 PathProgramCache]: Analyzing trace with hash -886518020, now seen corresponding path program 1 times [2022-12-05 22:53:53,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:53:53,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686410972] [2022-12-05 22:53:53,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:53:53,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:53:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:53:53,721 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 22:53:53,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:53:53,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686410972] [2022-12-05 22:53:53,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686410972] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:53:53,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:53:53,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 22:53:53,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951750839] [2022-12-05 22:53:53,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:53:53,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 22:53:53,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:53:53,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 22:53:53,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-05 22:53:53,723 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 26 [2022-12-05 22:53:53,723 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 628 flow. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 22:53:53,723 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:53:53,723 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 26 [2022-12-05 22:53:53,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:53:54,000 INFO L130 PetriNetUnfolder]: 1621/2638 cut-off events. [2022-12-05 22:53:54,001 INFO L131 PetriNetUnfolder]: For 9257/9583 co-relation queries the response was YES. [2022-12-05 22:53:54,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11396 conditions, 2638 events. 1621/2638 cut-off events. For 9257/9583 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 14967 event pairs, 265 based on Foata normal form. 184/2689 useless extension candidates. Maximal degree in co-relation 11362. Up to 1008 conditions per place. [2022-12-05 22:53:54,010 INFO L137 encePairwiseOnDemand]: 20/26 looper letters, 55 selfloop transitions, 17 changer transitions 44/122 dead transitions. [2022-12-05 22:53:54,010 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 122 transitions, 1284 flow [2022-12-05 22:53:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 22:53:54,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 22:53:54,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 92 transitions. [2022-12-05 22:53:54,011 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5897435897435898 [2022-12-05 22:53:54,011 INFO L175 Difference]: Start difference. First operand has 70 places, 66 transitions, 628 flow. Second operand 6 states and 92 transitions. [2022-12-05 22:53:54,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 122 transitions, 1284 flow [2022-12-05 22:53:54,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 122 transitions, 1225 flow, removed 11 selfloop flow, removed 5 redundant places. [2022-12-05 22:53:54,043 INFO L231 Difference]: Finished difference. Result has 71 places, 44 transitions, 334 flow [2022-12-05 22:53:54,043 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=334, PETRI_PLACES=71, PETRI_TRANSITIONS=44} [2022-12-05 22:53:54,044 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 28 predicate places. [2022-12-05 22:53:54,044 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:53:54,044 INFO L89 Accepts]: Start accepts. Operand has 71 places, 44 transitions, 334 flow [2022-12-05 22:53:54,045 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:53:54,045 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:54,045 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 44 transitions, 334 flow [2022-12-05 22:53:54,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 44 transitions, 334 flow [2022-12-05 22:53:54,057 INFO L130 PetriNetUnfolder]: 70/192 cut-off events. [2022-12-05 22:53:54,057 INFO L131 PetriNetUnfolder]: For 464/498 co-relation queries the response was YES. [2022-12-05 22:53:54,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 192 events. 70/192 cut-off events. For 464/498 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 831 event pairs, 14 based on Foata normal form. 1/182 useless extension candidates. Maximal degree in co-relation 708. Up to 58 conditions per place. [2022-12-05 22:53:54,059 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 44 transitions, 334 flow [2022-12-05 22:53:54,059 INFO L188 LiptonReduction]: Number of co-enabled transitions 330 [2022-12-05 22:53:54,079 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [382] L755-->L758: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] and [525] $Ultimate##0-->L773: Formula: (and (= |v_P1Thread1of1ForFork3_#in~arg.base_19| v_P1Thread1of1ForFork3_~arg.base_19) (= v_~y~0_51 v_~__unbuffered_p1_EAX~0_88) (= 2 v_~x~0_108) (= |v_P1Thread1of1ForFork3_#in~arg.offset_19| v_P1Thread1of1ForFork3_~arg.offset_19)) InVars {P1Thread1of1ForFork3_#in~arg.base=|v_P1Thread1of1ForFork3_#in~arg.base_19|, P1Thread1of1ForFork3_#in~arg.offset=|v_P1Thread1of1ForFork3_#in~arg.offset_19|, ~y~0=v_~y~0_51} OutVars{P1Thread1of1ForFork3_~arg.offset=v_P1Thread1of1ForFork3_~arg.offset_19, P1Thread1of1ForFork3_#in~arg.base=|v_P1Thread1of1ForFork3_#in~arg.base_19|, P1Thread1of1ForFork3_~arg.base=v_P1Thread1of1ForFork3_~arg.base_19, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_88, P1Thread1of1ForFork3_#in~arg.offset=|v_P1Thread1of1ForFork3_#in~arg.offset_19|, ~y~0=v_~y~0_51, ~x~0=v_~x~0_108} AuxVars[] AssignedVars[P1Thread1of1ForFork3_~arg.offset, P1Thread1of1ForFork3_~arg.base, ~__unbuffered_p1_EAX~0, ~x~0] [2022-12-05 22:53:54,383 INFO L203 LiptonReduction]: Total number of compositions: 5 [2022-12-05 22:53:54,383 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 339 [2022-12-05 22:53:54,384 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 41 transitions, 340 flow [2022-12-05 22:53:54,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 22:53:54,384 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:53:54,384 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:53:54,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-05 22:53:54,384 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:53:54,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:53:54,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1113409615, now seen corresponding path program 1 times [2022-12-05 22:53:54,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:53:54,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942007501] [2022-12-05 22:53:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:53:54,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:53:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:53:54,529 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 22:53:54,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:53:54,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942007501] [2022-12-05 22:53:54,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942007501] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:53:54,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:53:54,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 22:53:54,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278094743] [2022-12-05 22:53:54,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:53:54,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 22:53:54,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:53:54,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 22:53:54,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-05 22:53:54,531 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 24 [2022-12-05 22:53:54,531 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 41 transitions, 340 flow. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 22:53:54,531 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:53:54,531 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 24 [2022-12-05 22:53:54,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:53:54,674 INFO L130 PetriNetUnfolder]: 593/1005 cut-off events. [2022-12-05 22:53:54,674 INFO L131 PetriNetUnfolder]: For 4594/4594 co-relation queries the response was YES. [2022-12-05 22:53:54,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4702 conditions, 1005 events. 593/1005 cut-off events. For 4594/4594 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4568 event pairs, 65 based on Foata normal form. 1/1006 useless extension candidates. Maximal degree in co-relation 4673. Up to 702 conditions per place. [2022-12-05 22:53:54,679 INFO L137 encePairwiseOnDemand]: 13/24 looper letters, 59 selfloop transitions, 14 changer transitions 13/86 dead transitions. [2022-12-05 22:53:54,679 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 86 transitions, 831 flow [2022-12-05 22:53:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 22:53:54,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 22:53:54,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 58 transitions. [2022-12-05 22:53:54,681 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.48333333333333334 [2022-12-05 22:53:54,681 INFO L175 Difference]: Start difference. First operand has 65 places, 41 transitions, 340 flow. Second operand 5 states and 58 transitions. [2022-12-05 22:53:54,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 86 transitions, 831 flow [2022-12-05 22:53:54,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 86 transitions, 695 flow, removed 27 selfloop flow, removed 9 redundant places. [2022-12-05 22:53:54,689 INFO L231 Difference]: Finished difference. Result has 62 places, 49 transitions, 408 flow [2022-12-05 22:53:54,689 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=408, PETRI_PLACES=62, PETRI_TRANSITIONS=49} [2022-12-05 22:53:54,689 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 19 predicate places. [2022-12-05 22:53:54,689 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:53:54,689 INFO L89 Accepts]: Start accepts. Operand has 62 places, 49 transitions, 408 flow [2022-12-05 22:53:54,690 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:53:54,690 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:54,690 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 49 transitions, 408 flow [2022-12-05 22:53:54,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 49 transitions, 408 flow [2022-12-05 22:53:54,707 INFO L130 PetriNetUnfolder]: 102/267 cut-off events. [2022-12-05 22:53:54,707 INFO L131 PetriNetUnfolder]: For 987/1035 co-relation queries the response was YES. [2022-12-05 22:53:54,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 976 conditions, 267 events. 102/267 cut-off events. For 987/1035 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1426 event pairs, 4 based on Foata normal form. 15/270 useless extension candidates. Maximal degree in co-relation 949. Up to 78 conditions per place. [2022-12-05 22:53:54,709 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 49 transitions, 408 flow [2022-12-05 22:53:54,709 INFO L188 LiptonReduction]: Number of co-enabled transitions 362 [2022-12-05 22:53:54,710 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:53:54,711 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 22 [2022-12-05 22:53:54,711 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 49 transitions, 408 flow [2022-12-05 22:53:54,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 22:53:54,711 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:53:54,711 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:53:54,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-05 22:53:54,711 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:53:54,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:53:54,712 INFO L85 PathProgramCache]: Analyzing trace with hash 492319188, now seen corresponding path program 1 times [2022-12-05 22:53:54,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:53:54,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124719148] [2022-12-05 22:53:54,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:53:54,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:53:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:53:54,837 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 22:53:54,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:53:54,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124719148] [2022-12-05 22:53:54,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124719148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:53:54,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:53:54,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 22:53:54,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141232764] [2022-12-05 22:53:54,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:53:54,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 22:53:54,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:53:54,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 22:53:54,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-05 22:53:54,839 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 24 [2022-12-05 22:53:54,839 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 49 transitions, 408 flow. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 22:53:54,839 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:53:54,839 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 24 [2022-12-05 22:53:54,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:53:54,965 INFO L130 PetriNetUnfolder]: 630/1099 cut-off events. [2022-12-05 22:53:54,965 INFO L131 PetriNetUnfolder]: For 5318/5318 co-relation queries the response was YES. [2022-12-05 22:53:54,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5012 conditions, 1099 events. 630/1099 cut-off events. For 5318/5318 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5278 event pairs, 136 based on Foata normal form. 1/1100 useless extension candidates. Maximal degree in co-relation 4982. Up to 518 conditions per place. [2022-12-05 22:53:54,969 INFO L137 encePairwiseOnDemand]: 21/24 looper letters, 34 selfloop transitions, 1 changer transitions 47/83 dead transitions. [2022-12-05 22:53:54,969 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 83 transitions, 757 flow [2022-12-05 22:53:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 22:53:54,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 22:53:54,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 54 transitions. [2022-12-05 22:53:54,970 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5625 [2022-12-05 22:53:54,970 INFO L175 Difference]: Start difference. First operand has 62 places, 49 transitions, 408 flow. Second operand 4 states and 54 transitions. [2022-12-05 22:53:54,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 83 transitions, 757 flow [2022-12-05 22:53:54,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 83 transitions, 745 flow, removed 6 selfloop flow, removed 0 redundant places. [2022-12-05 22:53:54,979 INFO L231 Difference]: Finished difference. Result has 66 places, 34 transitions, 231 flow [2022-12-05 22:53:54,980 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=231, PETRI_PLACES=66, PETRI_TRANSITIONS=34} [2022-12-05 22:53:54,980 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 23 predicate places. [2022-12-05 22:53:54,980 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:53:54,980 INFO L89 Accepts]: Start accepts. Operand has 66 places, 34 transitions, 231 flow [2022-12-05 22:53:54,981 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:53:54,981 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:53:54,981 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 34 transitions, 231 flow [2022-12-05 22:53:54,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 34 transitions, 231 flow [2022-12-05 22:53:54,987 INFO L130 PetriNetUnfolder]: 26/86 cut-off events. [2022-12-05 22:53:54,987 INFO L131 PetriNetUnfolder]: For 497/518 co-relation queries the response was YES. [2022-12-05 22:53:54,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 86 events. 26/86 cut-off events. For 497/518 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 301 event pairs, 2 based on Foata normal form. 4/86 useless extension candidates. Maximal degree in co-relation 283. Up to 24 conditions per place. [2022-12-05 22:53:54,988 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 34 transitions, 231 flow [2022-12-05 22:53:54,988 INFO L188 LiptonReduction]: Number of co-enabled transitions 82 [2022-12-05 22:53:55,078 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [382] L755-->L758: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] and [402] L826-->L842: Formula: (let ((.cse6 (= 0 (mod v_~z$r_buff1_thd4~0_56 256))) (.cse10 (= (mod v_~z$r_buff0_thd4~0_67 256) 0))) (let ((.cse11 (not .cse10)) (.cse8 (and .cse10 .cse6)) (.cse9 (and .cse10 (= (mod v_~z$w_buff1_used~0_107 256) 0))) (.cse12 (= (mod v_~z$w_buff0_used~0_120 256) 0))) (let ((.cse2 (or .cse8 .cse9 .cse12)) (.cse3 (and (not .cse12) .cse11))) (let ((.cse0 (ite .cse2 v_~z~0_116 (ite .cse3 v_~z$w_buff0~0_53 v_~z$w_buff1~0_54))) (.cse1 (not (= (mod v_~weak$$choice2~0_64 256) 0))) (.cse7 (= (mod v_~z$w_buff1_used~0_106 256) 0)) (.cse4 (= (mod v_~z$w_buff0_used~0_119 256) 0))) (and (= |v_P3Thread1of1ForFork2_#t~nondet5#1_1| v_~weak$$choice0~0_16) (= v_~z$mem_tmp~0_46 v_~z~0_116) (= .cse0 v_~__unbuffered_p3_EAX~0_14) (= v_~z$w_buff1~0_54 v_~z$w_buff1~0_53) (= (ite .cse1 v_~z$w_buff0_used~0_120 (ite .cse2 v_~z$w_buff0_used~0_120 (ite .cse3 0 v_~z$w_buff0_used~0_120))) v_~z$w_buff0_used~0_119) (= v_~z$r_buff1_thd4~0_55 (ite .cse1 v_~z$r_buff1_thd4~0_56 (ite (let ((.cse5 (= (mod v_~z$r_buff0_thd4~0_66 256) 0))) (or .cse4 (and .cse5 .cse6) (and .cse5 .cse7))) v_~z$r_buff1_thd4~0_56 0))) (= |v_P3Thread1of1ForFork2_#t~nondet6#1_1| v_~weak$$choice2~0_64) (= v_~z$w_buff1_used~0_106 (ite .cse1 v_~z$w_buff1_used~0_107 (ite (or .cse4 .cse8 .cse9) v_~z$w_buff1_used~0_107 0))) (= v_~z~0_114 (ite .cse1 v_~z$mem_tmp~0_46 .cse0)) (= v_~z$w_buff0~0_53 v_~z$w_buff0~0_52) (= v_~z$flush_delayed~0_70 0) (= v_~z$r_buff0_thd4~0_66 (ite .cse1 v_~z$r_buff0_thd4~0_67 (ite (or (and .cse10 .cse7) .cse4 .cse8) v_~z$r_buff0_thd4~0_67 (ite (and (not .cse4) .cse11) 0 v_~z$r_buff0_thd4~0_67))))))))) InVars {P3Thread1of1ForFork2_#t~nondet5#1=|v_P3Thread1of1ForFork2_#t~nondet5#1_1|, ~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_56, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_120, ~z$w_buff0~0=v_~z$w_buff0~0_53, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_67, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_107, ~z$w_buff1~0=v_~z$w_buff1~0_54, P3Thread1of1ForFork2_#t~nondet6#1=|v_P3Thread1of1ForFork2_#t~nondet6#1_1|, ~z~0=v_~z~0_116} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_46, ~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_55, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_119, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_106, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z$flush_delayed~0=v_~z$flush_delayed~0_70, ~weak$$choice0~0=v_~weak$$choice0~0_16, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_14, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_66, ~z~0=v_~z~0_114, ~weak$$choice2~0=v_~weak$$choice2~0_64} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$r_buff1_thd4~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$w_buff1_used~0, ~z$w_buff1~0, ~z$flush_delayed~0, P3Thread1of1ForFork2_#t~nondet6#1, ~weak$$choice0~0, P3Thread1of1ForFork2_#t~nondet5#1, ~__unbuffered_p3_EAX~0, ~z$r_buff0_thd4~0, ~z~0, ~weak$$choice2~0] [2022-12-05 22:53:55,697 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-05 22:53:55,698 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-05 22:53:55,698 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-05 22:53:55,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-05 22:53:55,699 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 22:53:55,701 INFO L158 Benchmark]: Toolchain (without parser) took 14979.95ms. Allocated memory was 207.6MB in the beginning and 770.7MB in the end (delta: 563.1MB). Free memory was 164.2MB in the beginning and 330.5MB in the end (delta: -166.3MB). Peak memory consumption was 397.3MB. Max. memory is 8.0GB. [2022-12-05 22:53:55,701 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 207.6MB. Free memory is still 184.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 22:53:55,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.75ms. Allocated memory is still 207.6MB. Free memory was 163.7MB in the beginning and 134.8MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-12-05 22:53:55,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.60ms. Allocated memory is still 207.6MB. Free memory was 134.8MB in the beginning and 132.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 22:53:55,701 INFO L158 Benchmark]: Boogie Preprocessor took 53.20ms. Allocated memory is still 207.6MB. Free memory was 132.2MB in the beginning and 130.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 22:53:55,702 INFO L158 Benchmark]: RCFGBuilder took 570.35ms. Allocated memory is still 207.6MB. Free memory was 130.1MB in the beginning and 92.9MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-12-05 22:53:55,702 INFO L158 Benchmark]: TraceAbstraction took 13960.91ms. Allocated memory was 207.6MB in the beginning and 770.7MB in the end (delta: 563.1MB). Free memory was 92.4MB in the beginning and 330.5MB in the end (delta: -238.1MB). Peak memory consumption was 326.0MB. Max. memory is 8.0GB. [2022-12-05 22:53:55,703 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 207.6MB. Free memory is still 184.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 339.75ms. Allocated memory is still 207.6MB. Free memory was 163.7MB in the beginning and 134.8MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.60ms. Allocated memory is still 207.6MB. Free memory was 134.8MB in the beginning and 132.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.20ms. Allocated memory is still 207.6MB. Free memory was 132.2MB in the beginning and 130.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 570.35ms. Allocated memory is still 207.6MB. Free memory was 130.1MB in the beginning and 92.9MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 13960.91ms. Allocated memory was 207.6MB in the beginning and 770.7MB in the end (delta: 563.1MB). Free memory was 92.4MB in the beginning and 330.5MB in the end (delta: -238.1MB). Peak memory consumption was 326.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5s, 137 PlacesBefore, 43 PlacesAfterwards, 126 TransitionsBefore, 31 TransitionsAfterwards, 2836 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 44 TrivialYvCompositions, 52 ConcurrentYvCompositions, 1 ChoiceCompositions, 98 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2135, independent: 2068, independent conditional: 2068, independent unconditional: 0, dependent: 67, dependent conditional: 67, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2135, independent: 2068, independent conditional: 0, independent unconditional: 2068, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2135, independent: 2068, independent conditional: 0, independent unconditional: 2068, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2135, independent: 2068, independent conditional: 0, independent unconditional: 2068, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1721, independent: 1675, independent conditional: 0, independent unconditional: 1675, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1721, independent: 1652, independent conditional: 0, independent unconditional: 1652, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 142, dependent conditional: 0, dependent unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2135, independent: 393, independent conditional: 0, independent unconditional: 393, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 1721, unknown conditional: 0, unknown unconditional: 1721] , Statistics on independence cache: Total cache size (in pairs): 2543, Positive cache size: 2497, Positive conditional cache size: 0, Positive unconditional cache size: 2497, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 37 PlacesBefore, 37 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 205, independent: 179, independent conditional: 179, independent unconditional: 0, dependent: 26, dependent conditional: 26, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 205, independent: 179, independent conditional: 11, independent unconditional: 168, dependent: 26, dependent conditional: 3, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 205, independent: 179, independent conditional: 11, independent unconditional: 168, dependent: 26, dependent conditional: 3, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 205, independent: 179, independent conditional: 11, independent unconditional: 168, dependent: 26, dependent conditional: 3, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 181, independent: 160, independent conditional: 10, independent unconditional: 150, dependent: 21, dependent conditional: 2, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 181, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 21, dependent conditional: 2, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 82, dependent conditional: 11, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 205, independent: 19, independent conditional: 1, independent unconditional: 18, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 181, unknown conditional: 12, unknown unconditional: 169] , Statistics on independence cache: Total cache size (in pairs): 181, Positive cache size: 160, Positive conditional cache size: 10, Positive unconditional cache size: 150, Negative cache size: 21, Negative conditional cache size: 2, Negative unconditional cache size: 19, 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: 0.0s, 38 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 250, independent: 227, independent conditional: 227, independent unconditional: 0, dependent: 23, dependent conditional: 23, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 250, independent: 227, independent conditional: 31, independent unconditional: 196, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 250, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 250, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 250, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , Statistics on independence cache: Total cache size (in pairs): 196, Positive cache size: 173, Positive conditional cache size: 10, Positive unconditional cache size: 163, Negative cache size: 23, Negative conditional cache size: 2, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 31, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 43 PlacesBefore, 43 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 257, independent: 239, independent conditional: 239, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 257, independent: 239, independent conditional: 59, independent unconditional: 180, dependent: 18, dependent conditional: 4, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 257, independent: 239, independent conditional: 0, independent unconditional: 239, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 257, independent: 239, independent conditional: 0, independent unconditional: 239, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 257, independent: 232, independent conditional: 0, independent unconditional: 232, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 205, Positive cache size: 180, Positive conditional cache size: 10, Positive unconditional cache size: 170, Negative cache size: 25, Negative conditional cache size: 2, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 63, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 48 PlacesBefore, 48 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 536 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 290, independent: 259, independent conditional: 259, independent unconditional: 0, dependent: 31, dependent conditional: 31, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 290, independent: 259, independent conditional: 63, independent unconditional: 196, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 292, independent: 259, independent conditional: 0, independent unconditional: 259, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 292, independent: 259, independent conditional: 0, independent unconditional: 259, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 1, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 292, independent: 258, independent conditional: 0, independent unconditional: 258, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 181, Positive conditional cache size: 10, Positive unconditional cache size: 171, Negative cache size: 25, Negative conditional cache size: 2, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 71, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 50 PlacesBefore, 50 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 256, independent: 239, independent conditional: 239, independent unconditional: 0, dependent: 17, dependent conditional: 17, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 256, independent: 239, independent conditional: 51, independent unconditional: 188, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 256, independent: 239, independent conditional: 34, independent unconditional: 205, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 256, independent: 239, independent conditional: 34, independent unconditional: 205, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 256, independent: 239, independent conditional: 34, independent unconditional: 205, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 207, Positive cache size: 181, Positive conditional cache size: 10, Positive unconditional cache size: 171, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 54 PlacesBefore, 54 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, independent: 143, independent conditional: 143, 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: 158, independent: 143, independent conditional: 53, independent unconditional: 90, 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: 158, independent: 143, independent conditional: 16, independent unconditional: 127, 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: 158, independent: 143, independent conditional: 16, independent unconditional: 127, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 158, independent: 141, independent conditional: 16, independent unconditional: 125, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 183, Positive conditional cache size: 10, Positive unconditional cache size: 173, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 37, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 63 PlacesBefore, 63 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 752 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 321, independent: 303, independent conditional: 303, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 321, independent: 303, independent conditional: 168, independent unconditional: 135, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 321, independent: 303, independent conditional: 72, independent unconditional: 231, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 321, independent: 303, independent conditional: 72, independent unconditional: 231, dependent: 18, dependent conditional: 0, dependent unconditional: 18, 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: 321, independent: 303, independent conditional: 72, independent unconditional: 231, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 183, Positive conditional cache size: 10, Positive unconditional cache size: 173, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 96, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 67 PlacesBefore, 67 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 358, independent: 339, independent conditional: 339, independent unconditional: 0, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 358, independent: 339, independent conditional: 176, independent unconditional: 163, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 358, independent: 339, independent conditional: 92, independent unconditional: 247, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 358, independent: 339, independent conditional: 92, independent unconditional: 247, dependent: 19, dependent conditional: 0, dependent unconditional: 19, 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: 358, independent: 339, independent conditional: 92, independent unconditional: 247, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 183, Positive conditional cache size: 10, Positive unconditional cache size: 173, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 84, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 70 PlacesBefore, 70 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 164, independent: 145, independent conditional: 145, independent unconditional: 0, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 164, independent: 145, independent conditional: 60, independent unconditional: 85, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 164, independent: 145, independent conditional: 30, independent unconditional: 115, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 164, independent: 145, independent conditional: 30, independent unconditional: 115, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 164, independent: 145, independent conditional: 30, independent unconditional: 115, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 183, Positive conditional cache size: 10, Positive unconditional cache size: 173, Negative cache size: 27, Negative conditional cache size: 2, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 68 PlacesBefore, 65 PlacesAfterwards, 44 TransitionsBefore, 41 TransitionsAfterwards, 330 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 302, independent: 280, independent conditional: 280, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 302, independent: 280, independent conditional: 161, independent unconditional: 119, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 302, independent: 280, independent conditional: 127, independent unconditional: 153, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 302, independent: 280, independent conditional: 127, independent unconditional: 153, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, independent: 9, independent conditional: 2, independent unconditional: 7, 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: 9, independent: 9, independent conditional: 0, independent unconditional: 9, 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: 302, independent: 271, independent conditional: 125, independent unconditional: 146, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 9, unknown conditional: 2, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 275, Positive cache size: 248, Positive conditional cache size: 15, Positive unconditional cache size: 233, Negative cache size: 27, Negative conditional cache size: 2, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 62 PlacesBefore, 62 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 362 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 152, independent: 142, independent conditional: 142, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 152, independent: 142, independent conditional: 116, independent unconditional: 26, dependent: 10, dependent conditional: 6, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 152, independent: 142, independent conditional: 80, independent unconditional: 62, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 152, independent: 142, independent conditional: 80, independent unconditional: 62, dependent: 10, dependent conditional: 0, dependent unconditional: 10, 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: 152, independent: 142, independent conditional: 80, independent unconditional: 62, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 275, Positive cache size: 248, Positive conditional cache size: 15, Positive unconditional cache size: 233, Negative cache size: 27, Negative conditional cache size: 2, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.7s, 64 PlacesBefore, 63 PlacesAfterwards, 34 TransitionsBefore, 33 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, independent: 51, independent conditional: 51, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 63, independent: 51, independent conditional: 38, independent unconditional: 13, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 63, independent: 51, independent conditional: 36, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63, independent: 51, independent conditional: 36, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, 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: 63, independent: 51, independent conditional: 36, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 304, Positive cache size: 277, Positive conditional cache size: 15, Positive unconditional cache size: 262, Negative cache size: 27, Negative conditional cache size: 2, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 0 - ExceptionOrErrorResult: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:125) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-05 22:53:55,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...