/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/mix030_power.opt_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 22:58:36,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 22:58:36,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 22:58:37,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 22:58:37,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 22:58:37,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 22:58:37,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 22:58:37,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 22:58:37,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 22:58:37,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 22:58:37,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 22:58:37,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 22:58:37,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 22:58:37,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 22:58:37,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 22:58:37,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 22:58:37,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 22:58:37,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 22:58:37,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 22:58:37,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 22:58:37,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 22:58:37,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 22:58:37,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 22:58:37,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 22:58:37,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 22:58:37,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 22:58:37,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 22:58:37,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 22:58:37,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 22:58:37,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 22:58:37,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 22:58:37,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 22:58:37,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 22:58:37,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 22:58:37,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 22:58:37,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 22:58:37,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 22:58:37,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 22:58:37,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 22:58:37,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 22:58:37,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 22:58:37,074 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 22:58:37,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 22:58:37,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 22:58:37,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 22:58:37,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 22:58:37,100 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 22:58:37,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 22:58:37,101 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 22:58:37,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 22:58:37,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 22:58:37,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 22:58:37,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 22:58:37,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 22:58:37,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 22:58:37,102 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 22:58:37,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 22:58:37,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 22:58:37,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 22:58:37,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 22:58:37,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 22:58:37,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 22:58:37,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 22:58:37,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 22:58:37,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 22:58:37,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 22:58:37,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 22:58:37,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 22:58:37,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 22:58:37,103 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 22:58:37,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 22:58:37,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 22:58:37,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 22:58:37,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 22:58:37,384 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 22:58:37,385 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 22:58:37,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2022-12-05 22:58:38,429 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 22:58:38,623 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 22:58:38,623 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2022-12-05 22:58:38,657 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4b465119/24c060257d1d4b6c90f787a9bc1830e1/FLAG9e7dcccfc [2022-12-05 22:58:38,670 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4b465119/24c060257d1d4b6c90f787a9bc1830e1 [2022-12-05 22:58:38,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 22:58:38,673 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 22:58:38,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 22:58:38,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 22:58:38,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 22:58:38,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:58:38" (1/1) ... [2022-12-05 22:58:38,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16bc418b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:38, skipping insertion in model container [2022-12-05 22:58:38,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:58:38" (1/1) ... [2022-12-05 22:58:38,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 22:58:38,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 22:58:38,868 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/mix030_power.opt_pso.opt_rmo.opt.i[966,979] [2022-12-05 22:58:38,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:38,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:38,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:38,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:38,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:38,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:38,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:38,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:38,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:38,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:38,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:38,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:38,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,000 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,005 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 22:58:39,057 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 22:58:39,066 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/mix030_power.opt_pso.opt_rmo.opt.i[966,979] [2022-12-05 22:58:39,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,091 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,091 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,091 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,104 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,104 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,104 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 22:58:39,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 22:58:39,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 22:58:39,144 INFO L208 MainTranslator]: Completed translation [2022-12-05 22:58:39,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39 WrapperNode [2022-12-05 22:58:39,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 22:58:39,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 22:58:39,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 22:58:39,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 22:58:39,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39" (1/1) ... [2022-12-05 22:58:39,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39" (1/1) ... [2022-12-05 22:58:39,192 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 158 [2022-12-05 22:58:39,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 22:58:39,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 22:58:39,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 22:58:39,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 22:58:39,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39" (1/1) ... [2022-12-05 22:58:39,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39" (1/1) ... [2022-12-05 22:58:39,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39" (1/1) ... [2022-12-05 22:58:39,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39" (1/1) ... [2022-12-05 22:58:39,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39" (1/1) ... [2022-12-05 22:58:39,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39" (1/1) ... [2022-12-05 22:58:39,214 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39" (1/1) ... [2022-12-05 22:58:39,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39" (1/1) ... [2022-12-05 22:58:39,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 22:58:39,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 22:58:39,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 22:58:39,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 22:58:39,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39" (1/1) ... [2022-12-05 22:58:39,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 22:58:39,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 22:58:39,263 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 22:58:39,287 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 22:58:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 22:58:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 22:58:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 22:58:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 22:58:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 22:58:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-05 22:58:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-05 22:58:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-05 22:58:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-05 22:58:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-05 22:58:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-05 22:58:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-05 22:58:39,314 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-05 22:58:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 22:58:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 22:58:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 22:58:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 22:58:39,317 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 22:58:39,407 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 22:58:39,408 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 22:58:39,668 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 22:58:39,769 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 22:58:39,769 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 22:58:39,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:58:39 BoogieIcfgContainer [2022-12-05 22:58:39,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 22:58:39,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 22:58:39,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 22:58:39,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 22:58:39,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 10:58:38" (1/3) ... [2022-12-05 22:58:39,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a39ecac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 10:58:39, skipping insertion in model container [2022-12-05 22:58:39,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:39" (2/3) ... [2022-12-05 22:58:39,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a39ecac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 10:58:39, skipping insertion in model container [2022-12-05 22:58:39,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:58:39" (3/3) ... [2022-12-05 22:58:39,778 INFO L112 eAbstractionObserver]: Analyzing ICFG mix030_power.opt_pso.opt_rmo.opt.i [2022-12-05 22:58:39,795 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 22:58:39,795 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-05 22:58:39,795 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 22:58:39,874 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-05 22:58:39,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 128 transitions, 276 flow [2022-12-05 22:58:39,973 INFO L130 PetriNetUnfolder]: 2/124 cut-off events. [2022-12-05 22:58:39,973 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 22:58:39,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 2/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2022-12-05 22:58:39,979 INFO L82 GeneralOperation]: Start removeDead. Operand has 139 places, 128 transitions, 276 flow [2022-12-05 22:58:39,984 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 124 transitions, 260 flow [2022-12-05 22:58:39,986 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:58:40,002 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 124 transitions, 260 flow [2022-12-05 22:58:40,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 124 transitions, 260 flow [2022-12-05 22:58:40,070 INFO L130 PetriNetUnfolder]: 2/124 cut-off events. [2022-12-05 22:58:40,071 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 22:58:40,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 2/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2022-12-05 22:58:40,081 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 124 transitions, 260 flow [2022-12-05 22:58:40,082 INFO L188 LiptonReduction]: Number of co-enabled transitions 2986 [2022-12-05 22:58:45,254 INFO L203 LiptonReduction]: Total number of compositions: 95 [2022-12-05 22:58:45,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 22:58:45,268 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;@45d36805, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 22:58:45,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-05 22:58:45,271 INFO L130 PetriNetUnfolder]: 0/11 cut-off events. [2022-12-05 22:58:45,271 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 22:58:45,271 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:58:45,271 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:58:45,272 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:58:45,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:58:45,275 INFO L85 PathProgramCache]: Analyzing trace with hash 552942503, now seen corresponding path program 1 times [2022-12-05 22:58:45,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:58:45,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844213071] [2022-12-05 22:58:45,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:58:45,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:58:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:58:45,561 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 22:58:45,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:58:45,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844213071] [2022-12-05 22:58:45,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844213071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:58:45,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:58:45,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 22:58:45,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480297741] [2022-12-05 22:58:45,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:58:45,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 22:58:45,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:58:45,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 22:58:45,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 22:58:45,582 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 33 [2022-12-05 22:58:45,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 33 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22:58:45,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:58:45,583 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 33 [2022-12-05 22:58:45,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:58:46,086 INFO L130 PetriNetUnfolder]: 3519/5249 cut-off events. [2022-12-05 22:58:46,086 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-12-05 22:58:46,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10229 conditions, 5249 events. 3519/5249 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 30768 event pairs, 666 based on Foata normal form. 0/4765 useless extension candidates. Maximal degree in co-relation 10217. Up to 3826 conditions per place. [2022-12-05 22:58:46,104 INFO L137 encePairwiseOnDemand]: 28/33 looper letters, 33 selfloop transitions, 2 changer transitions 6/46 dead transitions. [2022-12-05 22:58:46,104 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 46 transitions, 189 flow [2022-12-05 22:58:46,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 22:58:46,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 22:58:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2022-12-05 22:58:46,111 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6161616161616161 [2022-12-05 22:58:46,112 INFO L175 Difference]: Start difference. First operand has 45 places, 33 transitions, 78 flow. Second operand 3 states and 61 transitions. [2022-12-05 22:58:46,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 46 transitions, 189 flow [2022-12-05 22:58:46,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 46 transitions, 184 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-05 22:58:46,116 INFO L231 Difference]: Finished difference. Result has 41 places, 27 transitions, 66 flow [2022-12-05 22:58:46,117 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=41, PETRI_TRANSITIONS=27} [2022-12-05 22:58:46,119 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, -4 predicate places. [2022-12-05 22:58:46,119 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:58:46,120 INFO L89 Accepts]: Start accepts. Operand has 41 places, 27 transitions, 66 flow [2022-12-05 22:58:46,121 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:58:46,121 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:58:46,122 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 27 transitions, 66 flow [2022-12-05 22:58:46,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 27 transitions, 66 flow [2022-12-05 22:58:46,126 INFO L130 PetriNetUnfolder]: 0/27 cut-off events. [2022-12-05 22:58:46,126 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 22:58:46,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 27 events. 0/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 35 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-05 22:58:46,126 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 27 transitions, 66 flow [2022-12-05 22:58:46,126 INFO L188 LiptonReduction]: Number of co-enabled transitions 370 [2022-12-05 22:58:46,165 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:58:46,166 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 47 [2022-12-05 22:58:46,166 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 66 flow [2022-12-05 22:58:46,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22:58:46,167 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:58:46,167 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:58:46,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 22:58:46,167 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:58:46,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:58:46,167 INFO L85 PathProgramCache]: Analyzing trace with hash -333922816, now seen corresponding path program 1 times [2022-12-05 22:58:46,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:58:46,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150074190] [2022-12-05 22:58:46,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:58:46,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:58:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:58:46,410 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 22:58:46,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:58:46,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150074190] [2022-12-05 22:58:46,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150074190] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:58:46,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:58:46,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 22:58:46,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652384877] [2022-12-05 22:58:46,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:58:46,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 22:58:46,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:58:46,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 22:58:46,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 22:58:46,413 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 27 [2022-12-05 22:58:46,413 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 66 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 22:58:46,413 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:58:46,413 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 27 [2022-12-05 22:58:46,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:58:46,826 INFO L130 PetriNetUnfolder]: 3543/5057 cut-off events. [2022-12-05 22:58:46,826 INFO L131 PetriNetUnfolder]: For 243/243 co-relation queries the response was YES. [2022-12-05 22:58:46,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10335 conditions, 5057 events. 3543/5057 cut-off events. For 243/243 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 25467 event pairs, 869 based on Foata normal form. 24/5077 useless extension candidates. Maximal degree in co-relation 10325. Up to 4475 conditions per place. [2022-12-05 22:58:46,845 INFO L137 encePairwiseOnDemand]: 23/27 looper letters, 33 selfloop transitions, 3 changer transitions 0/39 dead transitions. [2022-12-05 22:58:46,845 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 39 transitions, 166 flow [2022-12-05 22:58:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 22:58:46,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 22:58:46,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2022-12-05 22:58:46,847 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5679012345679012 [2022-12-05 22:58:46,848 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 66 flow. Second operand 3 states and 46 transitions. [2022-12-05 22:58:46,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 39 transitions, 166 flow [2022-12-05 22:58:46,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 39 transitions, 160 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 22:58:46,849 INFO L231 Difference]: Finished difference. Result has 39 places, 29 transitions, 81 flow [2022-12-05 22:58:46,849 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=39, PETRI_TRANSITIONS=29} [2022-12-05 22:58:46,850 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, -6 predicate places. [2022-12-05 22:58:46,850 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:58:46,850 INFO L89 Accepts]: Start accepts. Operand has 39 places, 29 transitions, 81 flow [2022-12-05 22:58:46,850 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:58:46,851 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:58:46,851 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 29 transitions, 81 flow [2022-12-05 22:58:46,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 29 transitions, 81 flow [2022-12-05 22:58:46,855 INFO L130 PetriNetUnfolder]: 3/41 cut-off events. [2022-12-05 22:58:46,855 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 22:58:46,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 41 events. 3/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 78 event pairs, 1 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 56. Up to 10 conditions per place. [2022-12-05 22:58:46,855 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 29 transitions, 81 flow [2022-12-05 22:58:46,855 INFO L188 LiptonReduction]: Number of co-enabled transitions 400 [2022-12-05 22:58:46,864 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:58:46,865 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 15 [2022-12-05 22:58:46,865 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 81 flow [2022-12-05 22:58:46,866 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 22:58:46,866 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:58:46,866 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:58:46,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 22:58:46,869 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:58:46,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:58:46,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1761674326, now seen corresponding path program 1 times [2022-12-05 22:58:46,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:58:46,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201401192] [2022-12-05 22:58:46,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:58:46,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:58:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:58:47,237 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 22:58:47,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:58:47,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201401192] [2022-12-05 22:58:47,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201401192] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:58:47,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:58:47,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 22:58:47,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163155241] [2022-12-05 22:58:47,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:58:47,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 22:58:47,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:58:47,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 22:58:47,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 22:58:47,239 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 27 [2022-12-05 22:58:47,239 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 81 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 22:58:47,239 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:58:47,239 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 27 [2022-12-05 22:58:47,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:58:48,122 INFO L130 PetriNetUnfolder]: 9277/12686 cut-off events. [2022-12-05 22:58:48,122 INFO L131 PetriNetUnfolder]: For 1360/1360 co-relation queries the response was YES. [2022-12-05 22:58:48,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27187 conditions, 12686 events. 9277/12686 cut-off events. For 1360/1360 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 60738 event pairs, 2289 based on Foata normal form. 400/13086 useless extension candidates. Maximal degree in co-relation 27176. Up to 7325 conditions per place. [2022-12-05 22:58:48,167 INFO L137 encePairwiseOnDemand]: 15/27 looper letters, 47 selfloop transitions, 11 changer transitions 0/58 dead transitions. [2022-12-05 22:58:48,167 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 58 transitions, 259 flow [2022-12-05 22:58:48,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 22:58:48,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 22:58:48,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 58 transitions. [2022-12-05 22:58:48,169 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5370370370370371 [2022-12-05 22:58:48,169 INFO L175 Difference]: Start difference. First operand has 39 places, 29 transitions, 81 flow. Second operand 4 states and 58 transitions. [2022-12-05 22:58:48,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 58 transitions, 259 flow [2022-12-05 22:58:48,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 58 transitions, 256 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 22:58:48,170 INFO L231 Difference]: Finished difference. Result has 44 places, 38 transitions, 164 flow [2022-12-05 22:58:48,170 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=164, PETRI_PLACES=44, PETRI_TRANSITIONS=38} [2022-12-05 22:58:48,171 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, -1 predicate places. [2022-12-05 22:58:48,171 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:58:48,171 INFO L89 Accepts]: Start accepts. Operand has 44 places, 38 transitions, 164 flow [2022-12-05 22:58:48,171 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:58:48,172 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:58:48,172 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 38 transitions, 164 flow [2022-12-05 22:58:48,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 38 transitions, 164 flow [2022-12-05 22:58:48,306 INFO L130 PetriNetUnfolder]: 773/1343 cut-off events. [2022-12-05 22:58:48,307 INFO L131 PetriNetUnfolder]: For 495/521 co-relation queries the response was YES. [2022-12-05 22:58:48,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3256 conditions, 1343 events. 773/1343 cut-off events. For 495/521 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 7838 event pairs, 342 based on Foata normal form. 0/1274 useless extension candidates. Maximal degree in co-relation 3244. Up to 891 conditions per place. [2022-12-05 22:58:48,320 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 38 transitions, 164 flow [2022-12-05 22:58:48,321 INFO L188 LiptonReduction]: Number of co-enabled transitions 434 [2022-12-05 22:58:48,340 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:58:48,341 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 170 [2022-12-05 22:58:48,342 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 38 transitions, 164 flow [2022-12-05 22:58:48,342 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 22:58:48,342 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:58:48,342 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:58:48,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 22:58:48,342 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:58:48,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:58:48,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1145720827, now seen corresponding path program 1 times [2022-12-05 22:58:48,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:58:48,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479280808] [2022-12-05 22:58:48,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:58:48,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:58:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:58:48,496 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 22:58:48,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:58:48,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479280808] [2022-12-05 22:58:48,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479280808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:58:48,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:58:48,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 22:58:48,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260148739] [2022-12-05 22:58:48,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:58:48,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 22:58:48,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:58:48,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 22:58:48,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 22:58:48,499 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 27 [2022-12-05 22:58:48,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 38 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 22:58:48,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:58:48,500 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 27 [2022-12-05 22:58:48,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:58:49,266 INFO L130 PetriNetUnfolder]: 6210/8946 cut-off events. [2022-12-05 22:58:49,267 INFO L131 PetriNetUnfolder]: For 5991/6089 co-relation queries the response was YES. [2022-12-05 22:58:49,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25230 conditions, 8946 events. 6210/8946 cut-off events. For 5991/6089 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 50576 event pairs, 1480 based on Foata normal form. 87/8742 useless extension candidates. Maximal degree in co-relation 25215. Up to 7574 conditions per place. [2022-12-05 22:58:49,319 INFO L137 encePairwiseOnDemand]: 23/27 looper letters, 49 selfloop transitions, 5 changer transitions 0/61 dead transitions. [2022-12-05 22:58:49,319 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 61 transitions, 360 flow [2022-12-05 22:58:49,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 22:58:49,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 22:58:49,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-12-05 22:58:49,320 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.654320987654321 [2022-12-05 22:58:49,321 INFO L175 Difference]: Start difference. First operand has 44 places, 38 transitions, 164 flow. Second operand 3 states and 53 transitions. [2022-12-05 22:58:49,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 61 transitions, 360 flow [2022-12-05 22:58:49,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 61 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 22:58:49,323 INFO L231 Difference]: Finished difference. Result has 46 places, 42 transitions, 207 flow [2022-12-05 22:58:49,323 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=207, PETRI_PLACES=46, PETRI_TRANSITIONS=42} [2022-12-05 22:58:49,324 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places. [2022-12-05 22:58:49,324 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:58:49,324 INFO L89 Accepts]: Start accepts. Operand has 46 places, 42 transitions, 207 flow [2022-12-05 22:58:49,325 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:58:49,325 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:58:49,325 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 42 transitions, 207 flow [2022-12-05 22:58:49,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 207 flow [2022-12-05 22:58:49,427 INFO L130 PetriNetUnfolder]: 731/1309 cut-off events. [2022-12-05 22:58:49,427 INFO L131 PetriNetUnfolder]: For 900/953 co-relation queries the response was YES. [2022-12-05 22:58:49,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3474 conditions, 1309 events. 731/1309 cut-off events. For 900/953 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 7876 event pairs, 327 based on Foata normal form. 4/1247 useless extension candidates. Maximal degree in co-relation 3460. Up to 852 conditions per place. [2022-12-05 22:58:49,436 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 42 transitions, 207 flow [2022-12-05 22:58:49,436 INFO L188 LiptonReduction]: Number of co-enabled transitions 492 [2022-12-05 22:58:49,444 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:58:49,445 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 121 [2022-12-05 22:58:49,445 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 207 flow [2022-12-05 22:58:49,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 22:58:49,445 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:58:49,445 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:58:49,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 22:58:49,445 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:58:49,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:58:49,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1157713217, now seen corresponding path program 1 times [2022-12-05 22:58:49,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:58:49,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181841571] [2022-12-05 22:58:49,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:58:49,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:58:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:58:49,812 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 22:58:49,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:58:49,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181841571] [2022-12-05 22:58:49,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181841571] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:58:49,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:58:49,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 22:58:49,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656235526] [2022-12-05 22:58:49,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:58:49,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 22:58:49,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:58:49,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 22:58:49,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 22:58:49,815 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 27 [2022-12-05 22:58:49,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 207 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 22:58:49,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:58:49,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 27 [2022-12-05 22:58:49,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:58:50,567 INFO L130 PetriNetUnfolder]: 6602/9670 cut-off events. [2022-12-05 22:58:50,567 INFO L131 PetriNetUnfolder]: For 9264/9539 co-relation queries the response was YES. [2022-12-05 22:58:50,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28865 conditions, 9670 events. 6602/9670 cut-off events. For 9264/9539 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 54265 event pairs, 2052 based on Foata normal form. 114/9630 useless extension candidates. Maximal degree in co-relation 28848. Up to 7862 conditions per place. [2022-12-05 22:58:50,619 INFO L137 encePairwiseOnDemand]: 22/27 looper letters, 44 selfloop transitions, 6 changer transitions 0/60 dead transitions. [2022-12-05 22:58:50,620 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 60 transitions, 382 flow [2022-12-05 22:58:50,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 22:58:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 22:58:50,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2022-12-05 22:58:50,621 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6049382716049383 [2022-12-05 22:58:50,621 INFO L175 Difference]: Start difference. First operand has 46 places, 42 transitions, 207 flow. Second operand 3 states and 49 transitions. [2022-12-05 22:58:50,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 60 transitions, 382 flow [2022-12-05 22:58:50,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 60 transitions, 376 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 22:58:50,624 INFO L231 Difference]: Finished difference. Result has 48 places, 47 transitions, 254 flow [2022-12-05 22:58:50,624 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=48, PETRI_TRANSITIONS=47} [2022-12-05 22:58:50,625 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 3 predicate places. [2022-12-05 22:58:50,625 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:58:50,625 INFO L89 Accepts]: Start accepts. Operand has 48 places, 47 transitions, 254 flow [2022-12-05 22:58:50,625 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:58:50,625 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:58:50,626 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 47 transitions, 254 flow [2022-12-05 22:58:50,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 47 transitions, 254 flow [2022-12-05 22:58:50,764 INFO L130 PetriNetUnfolder]: 935/1665 cut-off events. [2022-12-05 22:58:50,764 INFO L131 PetriNetUnfolder]: For 1566/1640 co-relation queries the response was YES. [2022-12-05 22:58:50,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4725 conditions, 1665 events. 935/1665 cut-off events. For 1566/1640 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 10336 event pairs, 364 based on Foata normal form. 3/1580 useless extension candidates. Maximal degree in co-relation 4709. Up to 1034 conditions per place. [2022-12-05 22:58:50,779 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 47 transitions, 254 flow [2022-12-05 22:58:50,779 INFO L188 LiptonReduction]: Number of co-enabled transitions 538 [2022-12-05 22:58:50,790 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:58:50,791 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 166 [2022-12-05 22:58:50,791 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 47 transitions, 254 flow [2022-12-05 22:58:50,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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 22:58:50,791 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:58:50,791 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:58:50,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 22:58:50,791 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:58:50,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:58:50,792 INFO L85 PathProgramCache]: Analyzing trace with hash -797876017, now seen corresponding path program 1 times [2022-12-05 22:58:50,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:58:50,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103628405] [2022-12-05 22:58:50,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:58:50,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:58:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:58:50,902 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 22:58:50,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:58:50,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103628405] [2022-12-05 22:58:50,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103628405] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:58:50,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:58:50,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 22:58:50,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262720324] [2022-12-05 22:58:50,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:58:50,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 22:58:50,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:58:50,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 22:58:50,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 22:58:50,904 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 27 [2022-12-05 22:58:50,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 47 transitions, 254 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 22:58:50,904 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:58:50,904 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 27 [2022-12-05 22:58:50,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:58:51,906 INFO L130 PetriNetUnfolder]: 8895/12865 cut-off events. [2022-12-05 22:58:51,907 INFO L131 PetriNetUnfolder]: For 17834/18043 co-relation queries the response was YES. [2022-12-05 22:58:51,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40376 conditions, 12865 events. 8895/12865 cut-off events. For 17834/18043 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 75970 event pairs, 3703 based on Foata normal form. 283/12614 useless extension candidates. Maximal degree in co-relation 40357. Up to 6297 conditions per place. [2022-12-05 22:58:51,963 INFO L137 encePairwiseOnDemand]: 24/27 looper letters, 57 selfloop transitions, 6 changer transitions 0/71 dead transitions. [2022-12-05 22:58:51,963 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 71 transitions, 480 flow [2022-12-05 22:58:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 22:58:51,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 22:58:51,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-05 22:58:51,964 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2022-12-05 22:58:51,965 INFO L175 Difference]: Start difference. First operand has 48 places, 47 transitions, 254 flow. Second operand 3 states and 54 transitions. [2022-12-05 22:58:51,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 71 transitions, 480 flow [2022-12-05 22:58:51,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 71 transitions, 472 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 22:58:51,970 INFO L231 Difference]: Finished difference. Result has 50 places, 47 transitions, 268 flow [2022-12-05 22:58:51,970 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=50, PETRI_TRANSITIONS=47} [2022-12-05 22:58:51,972 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 5 predicate places. [2022-12-05 22:58:51,972 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:58:51,972 INFO L89 Accepts]: Start accepts. Operand has 50 places, 47 transitions, 268 flow [2022-12-05 22:58:51,973 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:58:51,973 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:58:51,973 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 47 transitions, 268 flow [2022-12-05 22:58:51,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 47 transitions, 268 flow [2022-12-05 22:58:52,106 INFO L130 PetriNetUnfolder]: 1070/2031 cut-off events. [2022-12-05 22:58:52,106 INFO L131 PetriNetUnfolder]: For 3100/3218 co-relation queries the response was YES. [2022-12-05 22:58:52,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5803 conditions, 2031 events. 1070/2031 cut-off events. For 3100/3218 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 13955 event pairs, 450 based on Foata normal form. 4/1935 useless extension candidates. Maximal degree in co-relation 5786. Up to 1228 conditions per place. [2022-12-05 22:58:52,122 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 47 transitions, 268 flow [2022-12-05 22:58:52,122 INFO L188 LiptonReduction]: Number of co-enabled transitions 538 [2022-12-05 22:58:52,138 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:58:52,138 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 166 [2022-12-05 22:58:52,138 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 47 transitions, 268 flow [2022-12-05 22:58:52,138 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 22:58:52,138 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:58:52,138 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:58:52,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-05 22:58:52,139 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:58:52,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:58:52,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1146229533, now seen corresponding path program 1 times [2022-12-05 22:58:52,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:58:52,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928543512] [2022-12-05 22:58:52,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:58:52,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:58:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:58:52,534 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 22:58:52,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:58:52,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928543512] [2022-12-05 22:58:52,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928543512] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:58:52,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:58:52,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 22:58:52,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360853787] [2022-12-05 22:58:52,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:58:52,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 22:58:52,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:58:52,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 22:58:52,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-05 22:58:52,535 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 27 [2022-12-05 22:58:52,535 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 47 transitions, 268 flow. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 22:58:52,535 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:58:52,535 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 27 [2022-12-05 22:58:52,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:58:53,809 INFO L130 PetriNetUnfolder]: 13575/18738 cut-off events. [2022-12-05 22:58:53,809 INFO L131 PetriNetUnfolder]: For 23207/23207 co-relation queries the response was YES. [2022-12-05 22:58:53,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59901 conditions, 18738 events. 13575/18738 cut-off events. For 23207/23207 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 98638 event pairs, 1281 based on Foata normal form. 64/18802 useless extension candidates. Maximal degree in co-relation 59881. Up to 11762 conditions per place. [2022-12-05 22:58:53,873 INFO L137 encePairwiseOnDemand]: 13/27 looper letters, 86 selfloop transitions, 47 changer transitions 8/141 dead transitions. [2022-12-05 22:58:53,873 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 141 transitions, 1019 flow [2022-12-05 22:58:53,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 22:58:53,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 22:58:53,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 100 transitions. [2022-12-05 22:58:53,874 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6172839506172839 [2022-12-05 22:58:53,874 INFO L175 Difference]: Start difference. First operand has 50 places, 47 transitions, 268 flow. Second operand 6 states and 100 transitions. [2022-12-05 22:58:53,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 141 transitions, 1019 flow [2022-12-05 22:58:53,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 141 transitions, 986 flow, removed 6 selfloop flow, removed 1 redundant places. [2022-12-05 22:58:53,881 INFO L231 Difference]: Finished difference. Result has 59 places, 82 transitions, 718 flow [2022-12-05 22:58:53,881 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=718, PETRI_PLACES=59, PETRI_TRANSITIONS=82} [2022-12-05 22:58:53,881 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 14 predicate places. [2022-12-05 22:58:53,881 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:58:53,881 INFO L89 Accepts]: Start accepts. Operand has 59 places, 82 transitions, 718 flow [2022-12-05 22:58:53,882 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:58:53,882 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:58:53,882 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 82 transitions, 718 flow [2022-12-05 22:58:53,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 82 transitions, 718 flow [2022-12-05 22:58:54,084 INFO L130 PetriNetUnfolder]: 1527/2688 cut-off events. [2022-12-05 22:58:54,085 INFO L131 PetriNetUnfolder]: For 7449/7748 co-relation queries the response was YES. [2022-12-05 22:58:54,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11524 conditions, 2688 events. 1527/2688 cut-off events. For 7449/7748 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 17568 event pairs, 417 based on Foata normal form. 31/2642 useless extension candidates. Maximal degree in co-relation 11501. Up to 1635 conditions per place. [2022-12-05 22:58:54,105 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 82 transitions, 718 flow [2022-12-05 22:58:54,105 INFO L188 LiptonReduction]: Number of co-enabled transitions 744 [2022-12-05 22:58:54,134 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:58:54,136 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 255 [2022-12-05 22:58:54,136 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 82 transitions, 718 flow [2022-12-05 22:58:54,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 22:58:54,136 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:58:54,136 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:58:54,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-05 22:58:54,136 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:58:54,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:58:54,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2097297601, now seen corresponding path program 2 times [2022-12-05 22:58:54,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:58:54,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461356712] [2022-12-05 22:58:54,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:58:54,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:58:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:58:54,425 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 22:58:54,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:58:54,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461356712] [2022-12-05 22:58:54,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461356712] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:58:54,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:58:54,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 22:58:54,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531982875] [2022-12-05 22:58:54,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:58:54,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 22:58:54,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:58:54,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 22:58:54,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-05 22:58:54,427 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 27 [2022-12-05 22:58:54,427 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 82 transitions, 718 flow. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 22:58:54,427 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:58:54,427 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 27 [2022-12-05 22:58:54,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:58:55,810 INFO L130 PetriNetUnfolder]: 10181/14731 cut-off events. [2022-12-05 22:58:55,811 INFO L131 PetriNetUnfolder]: For 49715/51006 co-relation queries the response was YES. [2022-12-05 22:58:55,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63089 conditions, 14731 events. 10181/14731 cut-off events. For 49715/51006 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 85787 event pairs, 1725 based on Foata normal form. 638/15075 useless extension candidates. Maximal degree in co-relation 63063. Up to 10299 conditions per place. [2022-12-05 22:58:55,950 INFO L137 encePairwiseOnDemand]: 20/27 looper letters, 67 selfloop transitions, 16 changer transitions 0/104 dead transitions. [2022-12-05 22:58:55,951 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 104 transitions, 980 flow [2022-12-05 22:58:55,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 22:58:55,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 22:58:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2022-12-05 22:58:55,952 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112 [2022-12-05 22:58:55,952 INFO L175 Difference]: Start difference. First operand has 59 places, 82 transitions, 718 flow. Second operand 4 states and 66 transitions. [2022-12-05 22:58:55,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 104 transitions, 980 flow [2022-12-05 22:58:55,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 104 transitions, 974 flow, removed 3 selfloop flow, removed 0 redundant places. [2022-12-05 22:58:55,968 INFO L231 Difference]: Finished difference. Result has 63 places, 82 transitions, 760 flow [2022-12-05 22:58:55,968 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=712, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=760, PETRI_PLACES=63, PETRI_TRANSITIONS=82} [2022-12-05 22:58:55,968 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 18 predicate places. [2022-12-05 22:58:55,968 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:58:55,969 INFO L89 Accepts]: Start accepts. Operand has 63 places, 82 transitions, 760 flow [2022-12-05 22:58:55,969 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:58:55,969 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:58:55,969 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 82 transitions, 760 flow [2022-12-05 22:58:55,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 82 transitions, 760 flow [2022-12-05 22:58:56,195 INFO L130 PetriNetUnfolder]: 1501/2598 cut-off events. [2022-12-05 22:58:56,195 INFO L131 PetriNetUnfolder]: For 8207/8670 co-relation queries the response was YES. [2022-12-05 22:58:56,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11538 conditions, 2598 events. 1501/2598 cut-off events. For 8207/8670 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 16485 event pairs, 309 based on Foata normal form. 30/2555 useless extension candidates. Maximal degree in co-relation 11512. Up to 1572 conditions per place. [2022-12-05 22:58:56,219 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 82 transitions, 760 flow [2022-12-05 22:58:56,220 INFO L188 LiptonReduction]: Number of co-enabled transitions 744 [2022-12-05 22:58:56,235 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:58:56,236 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 268 [2022-12-05 22:58:56,236 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 82 transitions, 760 flow [2022-12-05 22:58:56,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 22:58:56,236 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:58:56,236 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:58:56,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-05 22:58:56,236 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:58:56,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:58:56,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1292631111, now seen corresponding path program 1 times [2022-12-05 22:58:56,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:58:56,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708706415] [2022-12-05 22:58:56,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:58:56,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:58:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:58:56,778 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 22:58:56,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:58:56,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708706415] [2022-12-05 22:58:56,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708706415] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:58:56,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:58:56,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 22:58:56,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866433742] [2022-12-05 22:58:56,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:58:56,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 22:58:56,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:58:56,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 22:58:56,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-05 22:58:56,780 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 27 [2022-12-05 22:58:56,780 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 82 transitions, 760 flow. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 22:58:56,780 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:58:56,780 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 27 [2022-12-05 22:58:56,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:58:58,392 INFO L130 PetriNetUnfolder]: 13664/18837 cut-off events. [2022-12-05 22:58:58,393 INFO L131 PetriNetUnfolder]: For 55861/55861 co-relation queries the response was YES. [2022-12-05 22:58:58,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83066 conditions, 18837 events. 13664/18837 cut-off events. For 55861/55861 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 98432 event pairs, 2144 based on Foata normal form. 16/18853 useless extension candidates. Maximal degree in co-relation 83037. Up to 13210 conditions per place. [2022-12-05 22:58:58,541 INFO L137 encePairwiseOnDemand]: 13/27 looper letters, 97 selfloop transitions, 77 changer transitions 27/201 dead transitions. [2022-12-05 22:58:58,542 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 201 transitions, 2175 flow [2022-12-05 22:58:58,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 22:58:58,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 22:58:58,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2022-12-05 22:58:58,544 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6049382716049383 [2022-12-05 22:58:58,544 INFO L175 Difference]: Start difference. First operand has 63 places, 82 transitions, 760 flow. Second operand 6 states and 98 transitions. [2022-12-05 22:58:58,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 201 transitions, 2175 flow [2022-12-05 22:58:58,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 201 transitions, 2097 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 22:58:58,592 INFO L231 Difference]: Finished difference. Result has 70 places, 126 transitions, 1530 flow [2022-12-05 22:58:58,593 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1530, PETRI_PLACES=70, PETRI_TRANSITIONS=126} [2022-12-05 22:58:58,593 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 25 predicate places. [2022-12-05 22:58:58,593 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:58:58,593 INFO L89 Accepts]: Start accepts. Operand has 70 places, 126 transitions, 1530 flow [2022-12-05 22:58:58,594 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:58:58,594 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:58:58,595 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 126 transitions, 1530 flow [2022-12-05 22:58:58,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 126 transitions, 1530 flow [2022-12-05 22:58:58,858 INFO L130 PetriNetUnfolder]: 1626/2791 cut-off events. [2022-12-05 22:58:58,858 INFO L131 PetriNetUnfolder]: For 13573/14395 co-relation queries the response was YES. [2022-12-05 22:58:58,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15760 conditions, 2791 events. 1626/2791 cut-off events. For 13573/14395 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 17305 event pairs, 101 based on Foata normal form. 38/2804 useless extension candidates. Maximal degree in co-relation 15729. Up to 1684 conditions per place. [2022-12-05 22:58:58,892 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 126 transitions, 1530 flow [2022-12-05 22:58:58,892 INFO L188 LiptonReduction]: Number of co-enabled transitions 954 [2022-12-05 22:59:00,307 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 22:59:00,308 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1715 [2022-12-05 22:59:00,308 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 127 transitions, 1608 flow [2022-12-05 22:59:00,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 22:59:00,308 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:59:00,308 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:59:00,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-05 22:59:00,308 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:59:00,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:59:00,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1292691561, now seen corresponding path program 2 times [2022-12-05 22:59:00,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:59:00,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895720194] [2022-12-05 22:59:00,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:59:00,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:59:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:59:00,875 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 22:59:00,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:59:00,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895720194] [2022-12-05 22:59:00,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895720194] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:59:00,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:59:00,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 22:59:00,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232662973] [2022-12-05 22:59:00,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:59:00,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 22:59:00,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:59:00,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 22:59:00,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 22:59:00,877 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 31 [2022-12-05 22:59:00,878 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 127 transitions, 1608 flow. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 22:59:00,878 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:59:00,878 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 31 [2022-12-05 22:59:00,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:59:02,783 INFO L130 PetriNetUnfolder]: 14808/20497 cut-off events. [2022-12-05 22:59:02,784 INFO L131 PetriNetUnfolder]: For 96320/96320 co-relation queries the response was YES. [2022-12-05 22:59:03,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105880 conditions, 20497 events. 14808/20497 cut-off events. For 96320/96320 co-relation queries the response was YES. Maximal size of possible extension queue 690. Compared 110185 event pairs, 2855 based on Foata normal form. 64/20561 useless extension candidates. Maximal degree in co-relation 105846. Up to 15881 conditions per place. [2022-12-05 22:59:03,132 INFO L137 encePairwiseOnDemand]: 20/31 looper letters, 165 selfloop transitions, 59 changer transitions 7/231 dead transitions. [2022-12-05 22:59:03,132 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 231 transitions, 3082 flow [2022-12-05 22:59:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 22:59:03,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 22:59:03,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 80 transitions. [2022-12-05 22:59:03,133 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5161290322580645 [2022-12-05 22:59:03,133 INFO L175 Difference]: Start difference. First operand has 71 places, 127 transitions, 1608 flow. Second operand 5 states and 80 transitions. [2022-12-05 22:59:03,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 231 transitions, 3082 flow [2022-12-05 22:59:03,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 231 transitions, 3050 flow, removed 16 selfloop flow, removed 0 redundant places. [2022-12-05 22:59:03,227 INFO L231 Difference]: Finished difference. Result has 78 places, 160 transitions, 2164 flow [2022-12-05 22:59:03,227 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=1474, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2164, PETRI_PLACES=78, PETRI_TRANSITIONS=160} [2022-12-05 22:59:03,228 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 33 predicate places. [2022-12-05 22:59:03,228 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:59:03,228 INFO L89 Accepts]: Start accepts. Operand has 78 places, 160 transitions, 2164 flow [2022-12-05 22:59:03,229 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:59:03,229 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:59:03,229 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 160 transitions, 2164 flow [2022-12-05 22:59:03,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 160 transitions, 2164 flow [2022-12-05 22:59:03,571 INFO L130 PetriNetUnfolder]: 1885/3135 cut-off events. [2022-12-05 22:59:03,571 INFO L131 PetriNetUnfolder]: For 19579/20562 co-relation queries the response was YES. [2022-12-05 22:59:03,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20576 conditions, 3135 events. 1885/3135 cut-off events. For 19579/20562 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 18858 event pairs, 201 based on Foata normal form. 33/3136 useless extension candidates. Maximal degree in co-relation 20540. Up to 1954 conditions per place. [2022-12-05 22:59:03,609 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 160 transitions, 2164 flow [2022-12-05 22:59:03,609 INFO L188 LiptonReduction]: Number of co-enabled transitions 1176 [2022-12-05 22:59:05,191 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 22:59:05,192 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1964 [2022-12-05 22:59:05,192 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 159 transitions, 2202 flow [2022-12-05 22:59:05,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 22:59:05,192 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:59:05,192 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:59:05,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-05 22:59:05,192 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:59:05,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:59:05,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1417183027, now seen corresponding path program 1 times [2022-12-05 22:59:05,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:59:05,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567665317] [2022-12-05 22:59:05,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:59:05,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:59:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:59:05,500 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 22:59:05,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:59:05,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567665317] [2022-12-05 22:59:05,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567665317] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:59:05,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:59:05,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 22:59:05,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176724104] [2022-12-05 22:59:05,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:59:05,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 22:59:05,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:59:05,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 22:59:05,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 22:59:05,502 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 30 [2022-12-05 22:59:05,502 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 159 transitions, 2202 flow. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 22:59:05,502 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:59:05,502 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 30 [2022-12-05 22:59:05,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:59:07,585 INFO L130 PetriNetUnfolder]: 13692/19920 cut-off events. [2022-12-05 22:59:07,585 INFO L131 PetriNetUnfolder]: For 135401/136819 co-relation queries the response was YES. [2022-12-05 22:59:07,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116630 conditions, 19920 events. 13692/19920 cut-off events. For 135401/136819 co-relation queries the response was YES. Maximal size of possible extension queue 896. Compared 123030 event pairs, 2261 based on Foata normal form. 763/20314 useless extension candidates. Maximal degree in co-relation 116591. Up to 10605 conditions per place. [2022-12-05 22:59:07,803 INFO L137 encePairwiseOnDemand]: 20/30 looper letters, 108 selfloop transitions, 71 changer transitions 1/221 dead transitions. [2022-12-05 22:59:07,803 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 221 transitions, 3034 flow [2022-12-05 22:59:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 22:59:07,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 22:59:07,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 102 transitions. [2022-12-05 22:59:07,808 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5666666666666667 [2022-12-05 22:59:07,808 INFO L175 Difference]: Start difference. First operand has 78 places, 159 transitions, 2202 flow. Second operand 6 states and 102 transitions. [2022-12-05 22:59:07,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 221 transitions, 3034 flow [2022-12-05 22:59:07,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 221 transitions, 3000 flow, removed 17 selfloop flow, removed 0 redundant places. [2022-12-05 22:59:07,876 INFO L231 Difference]: Finished difference. Result has 85 places, 174 transitions, 2553 flow [2022-12-05 22:59:07,876 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=2071, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2553, PETRI_PLACES=85, PETRI_TRANSITIONS=174} [2022-12-05 22:59:07,876 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 40 predicate places. [2022-12-05 22:59:07,876 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:59:07,876 INFO L89 Accepts]: Start accepts. Operand has 85 places, 174 transitions, 2553 flow [2022-12-05 22:59:07,877 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:59:07,877 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:59:07,877 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 174 transitions, 2553 flow [2022-12-05 22:59:07,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 174 transitions, 2553 flow [2022-12-05 22:59:08,164 INFO L130 PetriNetUnfolder]: 1997/3382 cut-off events. [2022-12-05 22:59:08,164 INFO L131 PetriNetUnfolder]: For 26974/28216 co-relation queries the response was YES. [2022-12-05 22:59:08,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24562 conditions, 3382 events. 1997/3382 cut-off events. For 26974/28216 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 21331 event pairs, 228 based on Foata normal form. 54/3404 useless extension candidates. Maximal degree in co-relation 24522. Up to 2062 conditions per place. [2022-12-05 22:59:08,195 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 174 transitions, 2553 flow [2022-12-05 22:59:08,196 INFO L188 LiptonReduction]: Number of co-enabled transitions 1276 [2022-12-05 22:59:08,354 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 22:59:08,354 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 478 [2022-12-05 22:59:08,355 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 171 transitions, 2499 flow [2022-12-05 22:59:08,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 22:59:08,355 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:59:08,355 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:59:08,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-05 22:59:08,355 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:59:08,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:59:08,355 INFO L85 PathProgramCache]: Analyzing trace with hash 601876358, now seen corresponding path program 1 times [2022-12-05 22:59:08,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:59:08,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755401106] [2022-12-05 22:59:08,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:59:08,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:59:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:59:09,114 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 22:59:09,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:59:09,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755401106] [2022-12-05 22:59:09,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755401106] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:59:09,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:59:09,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 22:59:09,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309497956] [2022-12-05 22:59:09,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:59:09,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 22:59:09,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:59:09,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 22:59:09,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-05 22:59:09,116 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 27 [2022-12-05 22:59:09,116 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 171 transitions, 2499 flow. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 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 22:59:09,116 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:59:09,116 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 27 [2022-12-05 22:59:09,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:59:11,378 INFO L130 PetriNetUnfolder]: 13295/19226 cut-off events. [2022-12-05 22:59:11,378 INFO L131 PetriNetUnfolder]: For 174390/176038 co-relation queries the response was YES. [2022-12-05 22:59:11,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123403 conditions, 19226 events. 13295/19226 cut-off events. For 174390/176038 co-relation queries the response was YES. Maximal size of possible extension queue 867. Compared 116833 event pairs, 1916 based on Foata normal form. 715/19521 useless extension candidates. Maximal degree in co-relation 123360. Up to 9055 conditions per place. [2022-12-05 22:59:11,499 INFO L137 encePairwiseOnDemand]: 21/27 looper letters, 123 selfloop transitions, 51 changer transitions 0/215 dead transitions. [2022-12-05 22:59:11,499 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 215 transitions, 3220 flow [2022-12-05 22:59:11,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 22:59:11,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 22:59:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 83 transitions. [2022-12-05 22:59:11,500 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6148148148148148 [2022-12-05 22:59:11,500 INFO L175 Difference]: Start difference. First operand has 84 places, 171 transitions, 2499 flow. Second operand 5 states and 83 transitions. [2022-12-05 22:59:11,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 215 transitions, 3220 flow [2022-12-05 22:59:11,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 215 transitions, 3158 flow, removed 10 selfloop flow, removed 2 redundant places. [2022-12-05 22:59:11,714 INFO L231 Difference]: Finished difference. Result has 87 places, 175 transitions, 2660 flow [2022-12-05 22:59:11,714 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=2437, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2660, PETRI_PLACES=87, PETRI_TRANSITIONS=175} [2022-12-05 22:59:11,715 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 42 predicate places. [2022-12-05 22:59:11,715 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:59:11,715 INFO L89 Accepts]: Start accepts. Operand has 87 places, 175 transitions, 2660 flow [2022-12-05 22:59:11,716 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:59:11,716 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:59:11,716 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 175 transitions, 2660 flow [2022-12-05 22:59:11,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 175 transitions, 2660 flow [2022-12-05 22:59:12,127 INFO L130 PetriNetUnfolder]: 1961/3357 cut-off events. [2022-12-05 22:59:12,127 INFO L131 PetriNetUnfolder]: For 29287/30284 co-relation queries the response was YES. [2022-12-05 22:59:12,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25274 conditions, 3357 events. 1961/3357 cut-off events. For 29287/30284 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 21511 event pairs, 225 based on Foata normal form. 49/3374 useless extension candidates. Maximal degree in co-relation 25232. Up to 2027 conditions per place. [2022-12-05 22:59:12,160 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 175 transitions, 2660 flow [2022-12-05 22:59:12,160 INFO L188 LiptonReduction]: Number of co-enabled transitions 1298 [2022-12-05 22:59:12,182 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:59:12,183 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 468 [2022-12-05 22:59:12,183 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 175 transitions, 2660 flow [2022-12-05 22:59:12,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 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 22:59:12,183 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:59:12,183 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 22:59:12,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-05 22:59:12,183 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:59:12,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:59:12,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1820806088, now seen corresponding path program 1 times [2022-12-05 22:59:12,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:59:12,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694183408] [2022-12-05 22:59:12,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:59:12,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:59:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:59:12,266 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 22:59:12,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:59:12,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694183408] [2022-12-05 22:59:12,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694183408] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:59:12,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:59:12,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 22:59:12,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667226561] [2022-12-05 22:59:12,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:59:12,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 22:59:12,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:59:12,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 22:59:12,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 22:59:12,267 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 27 [2022-12-05 22:59:12,267 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 175 transitions, 2660 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 22:59:12,267 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:59:12,267 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 27 [2022-12-05 22:59:12,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:59:13,563 INFO L130 PetriNetUnfolder]: 8304/12324 cut-off events. [2022-12-05 22:59:13,563 INFO L131 PetriNetUnfolder]: For 154974/158479 co-relation queries the response was YES. [2022-12-05 22:59:13,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83049 conditions, 12324 events. 8304/12324 cut-off events. For 154974/158479 co-relation queries the response was YES. Maximal size of possible extension queue 710. Compared 76534 event pairs, 1577 based on Foata normal form. 1303/12947 useless extension candidates. Maximal degree in co-relation 83004. Up to 9453 conditions per place. [2022-12-05 22:59:13,644 INFO L137 encePairwiseOnDemand]: 21/27 looper letters, 215 selfloop transitions, 5 changer transitions 0/262 dead transitions. [2022-12-05 22:59:13,644 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 262 transitions, 4408 flow [2022-12-05 22:59:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 22:59:13,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 22:59:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2022-12-05 22:59:13,645 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6790123456790124 [2022-12-05 22:59:13,645 INFO L175 Difference]: Start difference. First operand has 87 places, 175 transitions, 2660 flow. Second operand 3 states and 55 transitions. [2022-12-05 22:59:13,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 262 transitions, 4408 flow [2022-12-05 22:59:13,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 262 transitions, 4287 flow, removed 10 selfloop flow, removed 3 redundant places. [2022-12-05 22:59:13,719 INFO L231 Difference]: Finished difference. Result has 87 places, 169 transitions, 2438 flow [2022-12-05 22:59:13,720 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=2405, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2438, PETRI_PLACES=87, PETRI_TRANSITIONS=169} [2022-12-05 22:59:13,720 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 42 predicate places. [2022-12-05 22:59:13,720 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:59:13,720 INFO L89 Accepts]: Start accepts. Operand has 87 places, 169 transitions, 2438 flow [2022-12-05 22:59:13,721 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:59:13,721 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:59:13,721 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 169 transitions, 2438 flow [2022-12-05 22:59:13,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 169 transitions, 2438 flow [2022-12-05 22:59:14,263 INFO L130 PetriNetUnfolder]: 3169/5525 cut-off events. [2022-12-05 22:59:14,263 INFO L131 PetriNetUnfolder]: For 41399/42878 co-relation queries the response was YES. [2022-12-05 22:59:14,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34386 conditions, 5525 events. 3169/5525 cut-off events. For 41399/42878 co-relation queries the response was YES. Maximal size of possible extension queue 570. Compared 41652 event pairs, 778 based on Foata normal form. 163/5210 useless extension candidates. Maximal degree in co-relation 34344. Up to 2739 conditions per place. [2022-12-05 22:59:14,327 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 169 transitions, 2438 flow [2022-12-05 22:59:14,328 INFO L188 LiptonReduction]: Number of co-enabled transitions 1500 [2022-12-05 22:59:14,556 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 22:59:14,556 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 836 [2022-12-05 22:59:14,556 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 169 transitions, 2442 flow [2022-12-05 22:59:14,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 22:59:14,557 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:59:14,557 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 22:59:14,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-05 22:59:14,557 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:59:14,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:59:14,557 INFO L85 PathProgramCache]: Analyzing trace with hash -159490501, now seen corresponding path program 1 times [2022-12-05 22:59:14,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:59:14,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39000209] [2022-12-05 22:59:14,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:59:14,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:59:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:59:14,660 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 22:59:14,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:59:14,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39000209] [2022-12-05 22:59:14,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39000209] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:59:14,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:59:14,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 22:59:14,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659262461] [2022-12-05 22:59:14,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:59:14,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 22:59:14,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:59:14,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 22:59:14,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 22:59:14,661 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2022-12-05 22:59:14,661 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 169 transitions, 2442 flow. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 22:59:14,661 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:59:14,661 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2022-12-05 22:59:14,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:59:15,537 INFO L130 PetriNetUnfolder]: 4510/7082 cut-off events. [2022-12-05 22:59:15,537 INFO L131 PetriNetUnfolder]: For 82606/84001 co-relation queries the response was YES. [2022-12-05 22:59:15,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48043 conditions, 7082 events. 4510/7082 cut-off events. For 82606/84001 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 43125 event pairs, 486 based on Foata normal form. 1067/7957 useless extension candidates. Maximal degree in co-relation 47998. Up to 3435 conditions per place. [2022-12-05 22:59:15,588 INFO L137 encePairwiseOnDemand]: 21/29 looper letters, 253 selfloop transitions, 9 changer transitions 0/300 dead transitions. [2022-12-05 22:59:15,588 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 300 transitions, 4950 flow [2022-12-05 22:59:15,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 22:59:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 22:59:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 77 transitions. [2022-12-05 22:59:15,589 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6637931034482759 [2022-12-05 22:59:15,589 INFO L175 Difference]: Start difference. First operand has 87 places, 169 transitions, 2442 flow. Second operand 4 states and 77 transitions. [2022-12-05 22:59:15,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 300 transitions, 4950 flow [2022-12-05 22:59:15,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 300 transitions, 4921 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 22:59:15,635 INFO L231 Difference]: Finished difference. Result has 88 places, 155 transitions, 2202 flow [2022-12-05 22:59:15,635 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=2150, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=2202, PETRI_PLACES=88, PETRI_TRANSITIONS=155} [2022-12-05 22:59:15,635 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 43 predicate places. [2022-12-05 22:59:15,635 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:59:15,635 INFO L89 Accepts]: Start accepts. Operand has 88 places, 155 transitions, 2202 flow [2022-12-05 22:59:15,636 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:59:15,636 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:59:15,636 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 155 transitions, 2202 flow [2022-12-05 22:59:15,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 88 places, 155 transitions, 2202 flow [2022-12-05 22:59:15,888 INFO L130 PetriNetUnfolder]: 1550/2996 cut-off events. [2022-12-05 22:59:15,888 INFO L131 PetriNetUnfolder]: For 21806/23010 co-relation queries the response was YES. [2022-12-05 22:59:15,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19001 conditions, 2996 events. 1550/2996 cut-off events. For 21806/23010 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 21607 event pairs, 239 based on Foata normal form. 165/3021 useless extension candidates. Maximal degree in co-relation 18959. Up to 1316 conditions per place. [2022-12-05 22:59:15,921 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 155 transitions, 2202 flow [2022-12-05 22:59:15,921 INFO L188 LiptonReduction]: Number of co-enabled transitions 1500 [2022-12-05 22:59:16,222 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-05 22:59:16,223 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 588 [2022-12-05 22:59:16,223 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 153 transitions, 2177 flow [2022-12-05 22:59:16,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 22:59:16,223 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:59:16,223 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 22:59:16,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-05 22:59:16,223 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:59:16,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:59:16,224 INFO L85 PathProgramCache]: Analyzing trace with hash -497679680, now seen corresponding path program 1 times [2022-12-05 22:59:16,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:59:16,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653046097] [2022-12-05 22:59:16,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:59:16,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:59:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:59:16,324 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 22:59:16,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:59:16,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653046097] [2022-12-05 22:59:16,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653046097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:59:16,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:59:16,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 22:59:16,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692643059] [2022-12-05 22:59:16,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:59:16,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 22:59:16,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:59:16,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 22:59:16,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-05 22:59:16,325 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2022-12-05 22:59:16,325 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 153 transitions, 2177 flow. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 22:59:16,325 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:59:16,325 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2022-12-05 22:59:16,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:59:17,041 INFO L130 PetriNetUnfolder]: 3380/5307 cut-off events. [2022-12-05 22:59:17,042 INFO L131 PetriNetUnfolder]: For 60573/61570 co-relation queries the response was YES. [2022-12-05 22:59:17,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37245 conditions, 5307 events. 3380/5307 cut-off events. For 60573/61570 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 31365 event pairs, 317 based on Foata normal form. 823/5996 useless extension candidates. Maximal degree in co-relation 37200. Up to 2497 conditions per place. [2022-12-05 22:59:17,081 INFO L137 encePairwiseOnDemand]: 21/29 looper letters, 265 selfloop transitions, 13 changer transitions 2/318 dead transitions. [2022-12-05 22:59:17,082 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 318 transitions, 5210 flow [2022-12-05 22:59:17,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 22:59:17,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 22:59:17,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 95 transitions. [2022-12-05 22:59:17,083 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6551724137931034 [2022-12-05 22:59:17,083 INFO L175 Difference]: Start difference. First operand has 88 places, 153 transitions, 2177 flow. Second operand 5 states and 95 transitions. [2022-12-05 22:59:17,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 318 transitions, 5210 flow [2022-12-05 22:59:17,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 318 transitions, 5188 flow, removed 6 selfloop flow, removed 2 redundant places. [2022-12-05 22:59:17,119 INFO L231 Difference]: Finished difference. Result has 91 places, 155 transitions, 2187 flow [2022-12-05 22:59:17,120 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=2119, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2187, PETRI_PLACES=91, PETRI_TRANSITIONS=155} [2022-12-05 22:59:17,120 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 46 predicate places. [2022-12-05 22:59:17,120 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:59:17,120 INFO L89 Accepts]: Start accepts. Operand has 91 places, 155 transitions, 2187 flow [2022-12-05 22:59:17,122 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:59:17,122 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:59:17,122 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 155 transitions, 2187 flow [2022-12-05 22:59:17,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 155 transitions, 2187 flow [2022-12-05 22:59:17,285 INFO L130 PetriNetUnfolder]: 978/1928 cut-off events. [2022-12-05 22:59:17,285 INFO L131 PetriNetUnfolder]: For 13140/13684 co-relation queries the response was YES. [2022-12-05 22:59:17,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12385 conditions, 1928 events. 978/1928 cut-off events. For 13140/13684 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 12531 event pairs, 51 based on Foata normal form. 130/2003 useless extension candidates. Maximal degree in co-relation 12342. Up to 762 conditions per place. [2022-12-05 22:59:17,306 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 155 transitions, 2187 flow [2022-12-05 22:59:17,306 INFO L188 LiptonReduction]: Number of co-enabled transitions 1402 [2022-12-05 22:59:17,310 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 22:59:17,311 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 191 [2022-12-05 22:59:17,311 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 155 transitions, 2187 flow [2022-12-05 22:59:17,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 22:59:17,311 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 22:59:17,311 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, 1] [2022-12-05 22:59:17,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-05 22:59:17,311 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 22:59:17,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 22:59:17,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1332780463, now seen corresponding path program 1 times [2022-12-05 22:59:17,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 22:59:17,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636658209] [2022-12-05 22:59:17,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 22:59:17,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 22:59:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 22:59:17,447 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 22:59:17,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 22:59:17,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636658209] [2022-12-05 22:59:17,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636658209] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 22:59:17,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 22:59:17,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 22:59:17,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898313076] [2022-12-05 22:59:17,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 22:59:17,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 22:59:17,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 22:59:17,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 22:59:17,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-05 22:59:17,451 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 27 [2022-12-05 22:59:17,451 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 155 transitions, 2187 flow. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 22:59:17,451 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 22:59:17,451 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 27 [2022-12-05 22:59:17,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 22:59:18,016 INFO L130 PetriNetUnfolder]: 3280/5094 cut-off events. [2022-12-05 22:59:18,016 INFO L131 PetriNetUnfolder]: For 57866/58726 co-relation queries the response was YES. [2022-12-05 22:59:18,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35979 conditions, 5094 events. 3280/5094 cut-off events. For 57866/58726 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 29969 event pairs, 306 based on Foata normal form. 490/5450 useless extension candidates. Maximal degree in co-relation 35933. Up to 2380 conditions per place. [2022-12-05 22:59:18,046 INFO L137 encePairwiseOnDemand]: 21/27 looper letters, 247 selfloop transitions, 17 changer transitions 17/317 dead transitions. [2022-12-05 22:59:18,046 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 317 transitions, 5217 flow [2022-12-05 22:59:18,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 22:59:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 22:59:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2022-12-05 22:59:18,048 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6049382716049383 [2022-12-05 22:59:18,048 INFO L175 Difference]: Start difference. First operand has 91 places, 155 transitions, 2187 flow. Second operand 6 states and 98 transitions. [2022-12-05 22:59:18,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 317 transitions, 5217 flow [2022-12-05 22:59:18,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 317 transitions, 5083 flow, removed 33 selfloop flow, removed 5 redundant places. [2022-12-05 22:59:18,149 INFO L231 Difference]: Finished difference. Result has 92 places, 146 transitions, 1999 flow [2022-12-05 22:59:18,149 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=27, PETRI_DIFFERENCE_MINUEND_FLOW=2085, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1999, PETRI_PLACES=92, PETRI_TRANSITIONS=146} [2022-12-05 22:59:18,150 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 47 predicate places. [2022-12-05 22:59:18,150 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 22:59:18,150 INFO L89 Accepts]: Start accepts. Operand has 92 places, 146 transitions, 1999 flow [2022-12-05 22:59:18,153 INFO L95 Accepts]: Finished accepts. [2022-12-05 22:59:18,153 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 22:59:18,153 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 146 transitions, 1999 flow [2022-12-05 22:59:18,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 146 transitions, 1999 flow [2022-12-05 22:59:18,206 INFO L130 PetriNetUnfolder]: 369/725 cut-off events. [2022-12-05 22:59:18,206 INFO L131 PetriNetUnfolder]: For 4416/4491 co-relation queries the response was YES. [2022-12-05 22:59:18,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4615 conditions, 725 events. 369/725 cut-off events. For 4416/4491 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3757 event pairs, 12 based on Foata normal form. 7/714 useless extension candidates. Maximal degree in co-relation 4573. Up to 292 conditions per place. [2022-12-05 22:59:18,213 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 146 transitions, 1999 flow [2022-12-05 22:59:18,213 INFO L188 LiptonReduction]: Number of co-enabled transitions 1060 [2022-12-05 23:04:32,003 WARN L233 SmtUtils]: Spent 9.81s on a formula simplification that was a NOOP. DAG size: 998 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-05 23:09:02,576 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-05 23:09:02,577 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 584427 [2022-12-05 23:09:02,577 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 144 transitions, 1995 flow [2022-12-05 23:09:02,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:09:02,577 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:09:02,577 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, 1, 1] [2022-12-05 23:09:02,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-05 23:09:02,577 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 23:09:02,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:09:02,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1080982328, now seen corresponding path program 1 times [2022-12-05 23:09:02,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:09:02,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357715467] [2022-12-05 23:09:02,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:09:02,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:09:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-12-05 23:13:09,421 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-05 23:13:09,436 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-12-05 23:13:09,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-05 23:13:09,437 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 26 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-4-3-6-5-4-3-4-3-4-3-3-2-4-3-4-3-6-5-6-5-6-5-6-5-6-5-9-5-9-5-9-5-9-5-6-5-9-2-9-5-6-5-6-5-3-2-9-2-5-5-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-5-5-1 context. [2022-12-05 23:13:09,438 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-12-05 23:13:09,438 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-05 23:13:09,439 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-12-05 23:13:09,439 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2022-12-05 23:13:09,439 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2022-12-05 23:13:09,439 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-12-05 23:13:09,439 INFO L458 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:13:09,442 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 23:13:09,443 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 23:13:09,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 11:13:09 BasicIcfg [2022-12-05 23:13:09,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 23:13:09,445 INFO L158 Benchmark]: Toolchain (without parser) took 870771.48ms. Allocated memory was 176.2MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 150.1MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 3.4GB. Max. memory is 8.0GB. [2022-12-05 23:13:09,445 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:13:09,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.84ms. Allocated memory is still 176.2MB. Free memory was 150.1MB in the beginning and 122.3MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-12-05 23:13:09,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.51ms. Allocated memory is still 176.2MB. Free memory was 122.3MB in the beginning and 119.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-05 23:13:09,445 INFO L158 Benchmark]: Boogie Preprocessor took 23.15ms. Allocated memory is still 176.2MB. Free memory was 119.7MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 23:13:09,446 INFO L158 Benchmark]: RCFGBuilder took 552.91ms. Allocated memory is still 176.2MB. Free memory was 117.6MB in the beginning and 81.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-12-05 23:13:09,446 INFO L158 Benchmark]: TraceAbstraction took 869671.77ms. Allocated memory was 176.2MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 81.4MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-12-05 23:13:09,447 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 176.2MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 469.84ms. Allocated memory is still 176.2MB. Free memory was 150.1MB in the beginning and 122.3MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.51ms. Allocated memory is still 176.2MB. Free memory was 122.3MB in the beginning and 119.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.15ms. Allocated memory is still 176.2MB. Free memory was 119.7MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 552.91ms. Allocated memory is still 176.2MB. Free memory was 117.6MB in the beginning and 81.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 869671.77ms. Allocated memory was 176.2MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 81.4MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.2s, 135 PlacesBefore, 45 PlacesAfterwards, 124 TransitionsBefore, 33 TransitionsAfterwards, 2986 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 41 TrivialYvCompositions, 52 ConcurrentYvCompositions, 1 ChoiceCompositions, 95 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2326, independent: 2255, independent conditional: 2255, independent unconditional: 0, dependent: 71, dependent conditional: 71, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2326, independent: 2255, independent conditional: 0, independent unconditional: 2255, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2326, independent: 2255, independent conditional: 0, independent unconditional: 2255, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2326, independent: 2255, independent conditional: 0, independent unconditional: 2255, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1810, independent: 1763, independent conditional: 0, independent unconditional: 1763, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1810, independent: 1728, independent conditional: 0, independent unconditional: 1728, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 82, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 244, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 193, dependent conditional: 0, dependent unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2326, independent: 492, independent conditional: 0, independent unconditional: 492, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 1810, unknown conditional: 0, unknown unconditional: 1810] , Statistics on independence cache: Total cache size (in pairs): 2611, Positive cache size: 2564, Positive conditional cache size: 0, Positive unconditional cache size: 2564, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 38 PlacesBefore, 38 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 370 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 200, independent: 172, independent conditional: 172, independent unconditional: 0, dependent: 28, dependent conditional: 28, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 200, independent: 172, independent conditional: 15, independent unconditional: 157, dependent: 28, dependent conditional: 3, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 200, independent: 172, independent conditional: 15, independent unconditional: 157, dependent: 28, dependent conditional: 3, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 200, independent: 172, independent conditional: 15, independent unconditional: 157, dependent: 28, dependent conditional: 3, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 175, independent: 154, independent conditional: 13, independent unconditional: 141, 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: 175, independent: 147, independent conditional: 0, independent unconditional: 147, 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: 37, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 30, dependent conditional: 8, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 200, independent: 18, independent conditional: 2, independent unconditional: 16, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 175, unknown conditional: 15, unknown unconditional: 160] , Statistics on independence cache: Total cache size (in pairs): 175, Positive cache size: 154, Positive conditional cache size: 13, Positive unconditional cache size: 141, 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, 39 PlacesBefore, 39 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 400 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 175, independent: 150, independent conditional: 150, independent unconditional: 0, dependent: 25, dependent conditional: 25, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 175, independent: 150, independent conditional: 6, independent unconditional: 144, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 175, independent: 150, independent conditional: 0, independent unconditional: 150, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, independent: 150, independent conditional: 0, independent unconditional: 150, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, independent: 11, independent conditional: 0, independent unconditional: 11, 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: 13, independent: 11, independent conditional: 0, independent unconditional: 11, 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: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 175, independent: 139, independent conditional: 0, independent unconditional: 139, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 188, Positive cache size: 165, Positive conditional cache size: 13, Positive unconditional cache size: 152, 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: 6, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 44 PlacesBefore, 44 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 153, independent: 143, independent conditional: 143, 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: 153, independent: 143, independent conditional: 38, independent unconditional: 105, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 153, independent: 143, independent conditional: 19, independent unconditional: 124, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, independent: 143, independent conditional: 19, independent unconditional: 124, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 153, independent: 141, independent conditional: 19, independent unconditional: 122, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 167, Positive conditional cache size: 13, Positive unconditional cache size: 154, Negative cache size: 24, Negative conditional cache size: 3, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 46 PlacesBefore, 46 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 154, independent: 143, independent conditional: 143, independent unconditional: 0, dependent: 11, dependent conditional: 11, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 154, independent: 143, independent conditional: 22, independent unconditional: 121, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 154, independent: 143, independent conditional: 0, independent unconditional: 143, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 154, independent: 143, independent conditional: 0, independent unconditional: 143, dependent: 11, dependent conditional: 0, dependent unconditional: 11, 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: 154, independent: 143, independent conditional: 0, independent unconditional: 143, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 167, Positive conditional cache size: 13, Positive unconditional cache size: 154, Negative cache size: 24, Negative conditional cache size: 3, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 48 PlacesBefore, 48 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 160, independent: 150, independent conditional: 150, 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: 160, independent: 150, independent conditional: 34, independent unconditional: 116, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 160, independent: 150, independent conditional: 6, independent unconditional: 144, 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: 160, independent: 150, independent conditional: 6, independent unconditional: 144, 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: 160, independent: 150, independent conditional: 6, independent unconditional: 144, 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): 191, Positive cache size: 167, Positive conditional cache size: 13, Positive unconditional cache size: 154, Negative cache size: 24, Negative conditional cache size: 3, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 28, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 50 PlacesBefore, 50 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 109, independent: 102, independent conditional: 102, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 109, independent: 102, independent conditional: 25, independent unconditional: 77, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 109, independent: 102, independent conditional: 4, independent unconditional: 98, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 109, independent: 102, independent conditional: 4, independent unconditional: 98, dependent: 7, dependent conditional: 0, dependent unconditional: 7, 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: 109, independent: 102, independent conditional: 4, independent unconditional: 98, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 167, Positive conditional cache size: 13, Positive unconditional cache size: 154, Negative cache size: 24, Negative conditional cache size: 3, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 59 PlacesBefore, 59 PlacesAfterwards, 82 TransitionsBefore, 82 TransitionsAfterwards, 744 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 578, independent: 555, independent conditional: 555, 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: 578, independent: 555, independent conditional: 331, independent unconditional: 224, dependent: 23, dependent conditional: 10, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 579, independent: 555, independent conditional: 168, independent unconditional: 387, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 579, independent: 555, independent conditional: 168, independent unconditional: 387, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, independent: 6, independent conditional: 2, independent unconditional: 4, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, independent: 5, independent conditional: 0, independent unconditional: 5, 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: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 579, independent: 549, independent conditional: 166, independent unconditional: 383, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 8, unknown conditional: 4, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 173, Positive conditional cache size: 15, Positive unconditional cache size: 158, Negative cache size: 26, Negative conditional cache size: 5, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 172, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 63 PlacesBefore, 63 PlacesAfterwards, 82 TransitionsBefore, 82 TransitionsAfterwards, 744 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 477, independent: 453, independent conditional: 453, independent unconditional: 0, dependent: 24, dependent conditional: 24, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 477, independent: 453, independent conditional: 238, independent unconditional: 215, dependent: 24, dependent conditional: 1, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 478, independent: 453, independent conditional: 122, independent unconditional: 331, dependent: 25, dependent conditional: 2, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 478, independent: 453, independent conditional: 122, independent unconditional: 331, dependent: 25, dependent conditional: 2, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 2, 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: 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: 478, independent: 451, independent conditional: 120, independent unconditional: 331, dependent: 25, dependent conditional: 2, dependent unconditional: 23, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 201, Positive cache size: 175, Positive conditional cache size: 17, Positive unconditional cache size: 158, Negative cache size: 26, Negative conditional cache size: 5, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 116, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.4s, 70 PlacesBefore, 71 PlacesAfterwards, 126 TransitionsBefore, 127 TransitionsAfterwards, 954 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2044, independent: 1968, independent conditional: 1968, independent unconditional: 0, dependent: 76, dependent conditional: 76, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2044, independent: 1968, independent conditional: 1302, independent unconditional: 666, dependent: 76, dependent conditional: 26, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2048, independent: 1968, independent conditional: 738, independent unconditional: 1230, dependent: 80, dependent conditional: 6, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2048, independent: 1968, independent conditional: 738, independent unconditional: 1230, dependent: 80, dependent conditional: 6, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, independent: 8, independent conditional: 4, independent unconditional: 4, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, independent: 8, independent conditional: 0, independent unconditional: 8, 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: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2048, independent: 1960, independent conditional: 734, independent unconditional: 1226, dependent: 79, dependent conditional: 5, dependent unconditional: 74, unknown: 9, unknown conditional: 5, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 195, Positive conditional cache size: 21, Positive unconditional cache size: 174, Negative cache size: 27, Negative conditional cache size: 6, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 588, Maximal queried relation: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.6s, 77 PlacesBefore, 78 PlacesAfterwards, 160 TransitionsBefore, 159 TransitionsAfterwards, 1176 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2589, independent: 2491, independent conditional: 2491, independent unconditional: 0, dependent: 98, dependent conditional: 98, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2589, independent: 2491, independent conditional: 1546, independent unconditional: 945, dependent: 98, dependent conditional: 24, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2589, independent: 2491, independent conditional: 866, independent unconditional: 1625, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2589, independent: 2491, independent conditional: 866, independent unconditional: 1625, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 2, independent unconditional: 4, 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: 6, independent: 6, independent conditional: 0, independent unconditional: 6, 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: 2589, independent: 2485, independent conditional: 864, independent unconditional: 1621, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 213, Positive conditional cache size: 23, Positive unconditional cache size: 190, Negative cache size: 27, Negative conditional cache size: 6, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 704, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 84 PlacesBefore, 84 PlacesAfterwards, 174 TransitionsBefore, 171 TransitionsAfterwards, 1276 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2667, independent: 2547, independent conditional: 2547, independent unconditional: 0, dependent: 120, dependent conditional: 120, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2667, independent: 2547, independent conditional: 1498, independent unconditional: 1049, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2667, independent: 2547, independent conditional: 938, independent unconditional: 1609, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2667, independent: 2547, independent conditional: 938, independent unconditional: 1609, dependent: 120, dependent conditional: 0, dependent unconditional: 120, 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: 2667, independent: 2546, independent conditional: 938, independent unconditional: 1608, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 241, Positive cache size: 214, Positive conditional cache size: 23, Positive unconditional cache size: 191, Negative cache size: 27, Negative conditional cache size: 6, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 560, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 87 PlacesBefore, 87 PlacesAfterwards, 175 TransitionsBefore, 175 TransitionsAfterwards, 1298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1383, independent: 1322, independent conditional: 1322, independent unconditional: 0, dependent: 61, dependent conditional: 61, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1383, independent: 1322, independent conditional: 798, independent unconditional: 524, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1383, independent: 1322, independent conditional: 499, independent unconditional: 823, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1383, independent: 1322, independent conditional: 499, independent unconditional: 823, dependent: 61, dependent conditional: 0, dependent unconditional: 61, 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: 1383, independent: 1322, independent conditional: 499, independent unconditional: 823, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 241, Positive cache size: 214, Positive conditional cache size: 23, Positive unconditional cache size: 191, Negative cache size: 27, Negative conditional cache size: 6, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 299, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 87 PlacesBefore, 87 PlacesAfterwards, 169 TransitionsBefore, 169 TransitionsAfterwards, 1500 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 966, independent: 948, independent conditional: 948, 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: 966, independent: 948, independent conditional: 702, independent unconditional: 246, 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: 966, independent: 948, independent conditional: 384, independent unconditional: 564, 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: 966, independent: 948, independent conditional: 384, independent unconditional: 564, 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: 25, independent: 25, independent conditional: 17, independent unconditional: 8, 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: 25, independent: 25, independent conditional: 0, independent unconditional: 25, 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: 966, independent: 923, independent conditional: 367, independent unconditional: 556, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 25, unknown conditional: 17, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 274, Positive cache size: 247, Positive conditional cache size: 40, Positive unconditional cache size: 207, Negative cache size: 27, Negative conditional cache size: 6, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 318, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 88 PlacesBefore, 88 PlacesAfterwards, 155 TransitionsBefore, 153 TransitionsAfterwards, 1500 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 896, independent: 878, independent conditional: 878, 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: 896, independent: 878, independent conditional: 642, independent unconditional: 236, 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: 896, independent: 878, independent conditional: 356, independent unconditional: 522, 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: 896, independent: 878, independent conditional: 356, independent unconditional: 522, 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: 896, independent: 878, independent conditional: 356, independent unconditional: 522, 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): 282, Positive cache size: 255, Positive conditional cache size: 40, Positive unconditional cache size: 215, Negative cache size: 27, Negative conditional cache size: 6, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 286, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 91 PlacesBefore, 91 PlacesAfterwards, 155 TransitionsBefore, 155 TransitionsAfterwards, 1402 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 369, independent: 360, independent conditional: 360, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 369, independent: 360, independent conditional: 270, independent unconditional: 90, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 369, independent: 360, independent conditional: 144, independent unconditional: 216, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 369, independent: 360, independent conditional: 144, independent unconditional: 216, dependent: 9, dependent conditional: 0, dependent unconditional: 9, 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: 369, independent: 360, independent conditional: 144, independent unconditional: 216, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 282, Positive cache size: 255, Positive conditional cache size: 40, Positive unconditional cache size: 215, Negative cache size: 27, Negative conditional cache size: 6, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 126, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 584.4s, 92 PlacesBefore, 90 PlacesAfterwards, 146 TransitionsBefore, 144 TransitionsAfterwards, 1060 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 56, independent: 42, independent conditional: 14, independent unconditional: 28, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 56, independent: 42, independent conditional: 14, independent unconditional: 28, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 56, independent: 42, independent conditional: 14, independent unconditional: 28, dependent: 14, dependent conditional: 0, dependent unconditional: 14, 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: 56, independent: 42, independent conditional: 14, independent unconditional: 28, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 261, Positive conditional cache size: 40, Positive unconditional cache size: 221, Negative cache size: 27, Negative conditional cache size: 6, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 0 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 26 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-4-3-6-5-4-3-4-3-4-3-3-2-4-3-4-3-6-5-6-5-6-5-6-5-6-5-9-5-9-5-9-5-9-5-6-5-9-2-9-5-6-5-6-5-3-2-9-2-5-5-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-5-5-1 context. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 26 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-4-3-6-5-4-3-4-3-4-3-3-2-4-3-4-3-6-5-6-5-6-5-6-5-6-5-9-5-9-5-9-5-9-5-6-5-9-2-9-5-6-5-6-5-3-2-9-2-5-5-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-5-5-1 context. - TimeoutResultAtElement [Line: 847]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 26 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-4-3-6-5-4-3-4-3-4-3-3-2-4-3-4-3-6-5-6-5-6-5-6-5-6-5-9-5-9-5-9-5-9-5-6-5-9-2-9-5-6-5-6-5-3-2-9-2-5-5-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-5-5-1 context. - TimeoutResultAtElement [Line: 851]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 26 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-4-3-6-5-4-3-4-3-4-3-3-2-4-3-4-3-6-5-6-5-6-5-6-5-6-5-9-5-9-5-9-5-9-5-6-5-9-2-9-5-6-5-6-5-3-2-9-2-5-5-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-5-5-1 context. - TimeoutResultAtElement [Line: 849]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 26 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-4-3-6-5-4-3-4-3-4-3-3-2-4-3-4-3-6-5-6-5-6-5-6-5-6-5-9-5-9-5-9-5-9-5-6-5-9-2-9-5-6-5-6-5-3-2-9-2-5-5-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-5-5-1 context. - TimeoutResultAtElement [Line: 845]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 26 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-4-3-6-5-4-3-4-3-4-3-3-2-4-3-4-3-6-5-6-5-6-5-6-5-6-5-9-5-9-5-9-5-9-5-6-5-9-2-9-5-6-5-6-5-3-2-9-2-5-5-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-5-5-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 164 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 869.5s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 570 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 570 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1274 IncrementalHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 36 mSDtfsCounter, 1274 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2660occurred in iteration=12, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 2472 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown