/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix005.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 06:16:46,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 06:16:46,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 06:16:47,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 06:16:47,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 06:16:47,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 06:16:47,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 06:16:47,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 06:16:47,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 06:16:47,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 06:16:47,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 06:16:47,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 06:16:47,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 06:16:47,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 06:16:47,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 06:16:47,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 06:16:47,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 06:16:47,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 06:16:47,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 06:16:47,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 06:16:47,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 06:16:47,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 06:16:47,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 06:16:47,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 06:16:47,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 06:16:47,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 06:16:47,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 06:16:47,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 06:16:47,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 06:16:47,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 06:16:47,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 06:16:47,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 06:16:47,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 06:16:47,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 06:16:47,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 06:16:47,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 06:16:47,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 06:16:47,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 06:16:47,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 06:16:47,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 06:16:47,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 06:16:47,145 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 06:16:47,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 06:16:47,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 06:16:47,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 06:16:47,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 06:16:47,201 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 06:16:47,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 06:16:47,202 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 06:16:47,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 06:16:47,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 06:16:47,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 06:16:47,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 06:16:47,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 06:16:47,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 06:16:47,203 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 06:16:47,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 06:16:47,204 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 06:16:47,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 06:16:47,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 06:16:47,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 06:16:47,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 06:16:47,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 06:16:47,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:16:47,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 06:16:47,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 06:16:47,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 06:16:47,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 06:16:47,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 06:16:47,205 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 06:16:47,205 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 06:16:47,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 06:16:47,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 06:16:47,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 06:16:47,814 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 06:16:47,814 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 06:16:47,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix005.opt.i [2022-12-06 06:16:49,729 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 06:16:50,128 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 06:16:50,128 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005.opt.i [2022-12-06 06:16:50,177 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e95c204e/cbf05aee0fc6458189bdf3ffea153647/FLAG9dee45f99 [2022-12-06 06:16:50,215 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e95c204e/cbf05aee0fc6458189bdf3ffea153647 [2022-12-06 06:16:50,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 06:16:50,219 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 06:16:50,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 06:16:50,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 06:16:50,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 06:16:50,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:16:50" (1/1) ... [2022-12-06 06:16:50,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d645dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:50, skipping insertion in model container [2022-12-06 06:16:50,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:16:50" (1/1) ... [2022-12-06 06:16:50,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 06:16:50,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 06:16:50,542 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005.opt.i[944,957] [2022-12-06 06:16:50,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,766 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,766 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,768 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,768 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,771 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,771 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,793 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,810 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,811 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,811 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,812 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,812 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,829 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,843 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,846 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,846 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,855 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,855 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,856 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,863 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,865 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:16:50,882 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 06:16:50,895 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005.opt.i[944,957] [2022-12-06 06:16:50,924 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,925 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,925 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,925 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,926 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,926 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,926 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,926 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,942 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,942 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,956 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,956 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:50,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:16:50,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:16:51,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:16:51,044 INFO L208 MainTranslator]: Completed translation [2022-12-06 06:16:51,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51 WrapperNode [2022-12-06 06:16:51,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 06:16:51,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 06:16:51,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 06:16:51,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 06:16:51,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51" (1/1) ... [2022-12-06 06:16:51,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51" (1/1) ... [2022-12-06 06:16:51,122 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 164 [2022-12-06 06:16:51,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 06:16:51,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 06:16:51,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 06:16:51,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 06:16:51,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51" (1/1) ... [2022-12-06 06:16:51,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51" (1/1) ... [2022-12-06 06:16:51,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51" (1/1) ... [2022-12-06 06:16:51,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51" (1/1) ... [2022-12-06 06:16:51,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51" (1/1) ... [2022-12-06 06:16:51,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51" (1/1) ... [2022-12-06 06:16:51,174 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51" (1/1) ... [2022-12-06 06:16:51,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51" (1/1) ... [2022-12-06 06:16:51,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 06:16:51,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 06:16:51,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 06:16:51,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 06:16:51,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51" (1/1) ... [2022-12-06 06:16:51,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:16:51,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 06:16:51,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 06:16:51,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 06:16:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 06:16:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 06:16:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 06:16:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 06:16:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 06:16:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 06:16:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 06:16:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 06:16:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 06:16:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 06:16:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 06:16:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-06 06:16:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-06 06:16:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 06:16:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 06:16:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 06:16:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 06:16:51,301 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 06:16:51,621 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 06:16:51,622 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 06:16:52,167 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 06:16:52,407 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 06:16:52,407 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 06:16:52,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:16:52 BoogieIcfgContainer [2022-12-06 06:16:52,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 06:16:52,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 06:16:52,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 06:16:52,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 06:16:52,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:16:50" (1/3) ... [2022-12-06 06:16:52,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b00ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:16:52, skipping insertion in model container [2022-12-06 06:16:52,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:16:51" (2/3) ... [2022-12-06 06:16:52,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b00ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:16:52, skipping insertion in model container [2022-12-06 06:16:52,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:16:52" (3/3) ... [2022-12-06 06:16:52,430 INFO L112 eAbstractionObserver]: Analyzing ICFG mix005.opt.i [2022-12-06 06:16:52,464 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 06:16:52,464 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 06:16:52,465 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 06:16:52,574 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 06:16:52,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 141 places, 130 transitions, 280 flow [2022-12-06 06:16:52,833 INFO L130 PetriNetUnfolder]: 2/126 cut-off events. [2022-12-06 06:16:52,833 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:16:52,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 126 events. 2/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 65 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-06 06:16:52,841 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 130 transitions, 280 flow [2022-12-06 06:16:52,848 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 137 places, 126 transitions, 264 flow [2022-12-06 06:16:52,864 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:16:52,887 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 126 transitions, 264 flow [2022-12-06 06:16:52,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 126 transitions, 264 flow [2022-12-06 06:16:52,974 INFO L130 PetriNetUnfolder]: 2/126 cut-off events. [2022-12-06 06:16:52,974 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:16:52,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 126 events. 2/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 65 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-06 06:16:52,981 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 126 transitions, 264 flow [2022-12-06 06:16:52,981 INFO L188 LiptonReduction]: Number of co-enabled transitions 2836 [2022-12-06 06:17:01,245 INFO L203 LiptonReduction]: Total number of compositions: 98 [2022-12-06 06:17:01,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 06:17:01,272 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;@f7bcc60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 06:17:01,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-06 06:17:01,286 INFO L130 PetriNetUnfolder]: 0/16 cut-off events. [2022-12-06 06:17:01,287 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:17:01,287 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:17:01,288 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:17:01,288 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:17:01,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:17:01,293 INFO L85 PathProgramCache]: Analyzing trace with hash -393038656, now seen corresponding path program 1 times [2022-12-06 06:17:01,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:17:01,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144489238] [2022-12-06 06:17:01,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:17:01,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:17:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:17:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:17:01,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:17:01,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144489238] [2022-12-06 06:17:01,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144489238] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:17:01,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:17:01,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 06:17:01,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319295534] [2022-12-06 06:17:01,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:17:01,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:17:01,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:17:01,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:17:01,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:17:01,970 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 31 [2022-12-06 06:17:01,972 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 31 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:01,972 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:17:01,972 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 31 [2022-12-06 06:17:01,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:17:03,113 INFO L130 PetriNetUnfolder]: 3113/4519 cut-off events. [2022-12-06 06:17:03,113 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-06 06:17:03,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8913 conditions, 4519 events. 3113/4519 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 24159 event pairs, 593 based on Foata normal form. 0/4146 useless extension candidates. Maximal degree in co-relation 8901. Up to 3385 conditions per place. [2022-12-06 06:17:03,187 INFO L137 encePairwiseOnDemand]: 26/31 looper letters, 30 selfloop transitions, 2 changer transitions 4/40 dead transitions. [2022-12-06 06:17:03,187 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 40 transitions, 164 flow [2022-12-06 06:17:03,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:17:03,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:17:03,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-12-06 06:17:03,199 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5698924731182796 [2022-12-06 06:17:03,201 INFO L175 Difference]: Start difference. First operand has 43 places, 31 transitions, 74 flow. Second operand 3 states and 53 transitions. [2022-12-06 06:17:03,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 40 transitions, 164 flow [2022-12-06 06:17:03,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 40 transitions, 160 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-06 06:17:03,230 INFO L231 Difference]: Finished difference. Result has 39 places, 26 transitions, 64 flow [2022-12-06 06:17:03,232 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=39, PETRI_TRANSITIONS=26} [2022-12-06 06:17:03,237 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -4 predicate places. [2022-12-06 06:17:03,237 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:17:03,238 INFO L89 Accepts]: Start accepts. Operand has 39 places, 26 transitions, 64 flow [2022-12-06 06:17:03,253 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:17:03,254 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:17:03,254 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 26 transitions, 64 flow [2022-12-06 06:17:03,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 26 transitions, 64 flow [2022-12-06 06:17:03,268 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-12-06 06:17:03,268 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:17:03,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-06 06:17:03,270 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 26 transitions, 64 flow [2022-12-06 06:17:03,271 INFO L188 LiptonReduction]: Number of co-enabled transitions 332 [2022-12-06 06:17:03,523 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:17:03,526 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 289 [2022-12-06 06:17:03,526 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 26 transitions, 64 flow [2022-12-06 06:17:03,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:03,526 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:17:03,526 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:17:03,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 06:17:03,530 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:17:03,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:17:03,531 INFO L85 PathProgramCache]: Analyzing trace with hash 246988925, now seen corresponding path program 1 times [2022-12-06 06:17:03,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:17:03,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764575160] [2022-12-06 06:17:03,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:17:03,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:17:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:17:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:17:03,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:17:03,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764575160] [2022-12-06 06:17:03,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764575160] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:17:03,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:17:03,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 06:17:03,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834130165] [2022-12-06 06:17:03,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:17:03,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:17:03,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:17:03,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:17:03,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:17:03,981 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 26 [2022-12-06 06:17:03,982 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 26 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:03,982 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:17:03,982 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 26 [2022-12-06 06:17:03,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:17:04,715 INFO L130 PetriNetUnfolder]: 2715/3966 cut-off events. [2022-12-06 06:17:04,716 INFO L131 PetriNetUnfolder]: For 178/178 co-relation queries the response was YES. [2022-12-06 06:17:04,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8048 conditions, 3966 events. 2715/3966 cut-off events. For 178/178 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 20418 event pairs, 799 based on Foata normal form. 40/3987 useless extension candidates. Maximal degree in co-relation 8038. Up to 3389 conditions per place. [2022-12-06 06:17:04,741 INFO L137 encePairwiseOnDemand]: 22/26 looper letters, 38 selfloop transitions, 3 changer transitions 0/44 dead transitions. [2022-12-06 06:17:04,742 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 44 transitions, 190 flow [2022-12-06 06:17:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:17:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:17:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2022-12-06 06:17:04,744 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6538461538461539 [2022-12-06 06:17:04,744 INFO L175 Difference]: Start difference. First operand has 37 places, 26 transitions, 64 flow. Second operand 3 states and 51 transitions. [2022-12-06 06:17:04,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 44 transitions, 190 flow [2022-12-06 06:17:04,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 44 transitions, 184 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:17:04,747 INFO L231 Difference]: Finished difference. Result has 38 places, 28 transitions, 79 flow [2022-12-06 06:17:04,747 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=79, PETRI_PLACES=38, PETRI_TRANSITIONS=28} [2022-12-06 06:17:04,748 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -5 predicate places. [2022-12-06 06:17:04,748 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:17:04,748 INFO L89 Accepts]: Start accepts. Operand has 38 places, 28 transitions, 79 flow [2022-12-06 06:17:04,749 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:17:04,749 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:17:04,749 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 28 transitions, 79 flow [2022-12-06 06:17:04,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 79 flow [2022-12-06 06:17:04,755 INFO L130 PetriNetUnfolder]: 3/36 cut-off events. [2022-12-06 06:17:04,755 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:17:04,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 36 events. 3/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 1 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 51. Up to 10 conditions per place. [2022-12-06 06:17:04,756 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 28 transitions, 79 flow [2022-12-06 06:17:04,756 INFO L188 LiptonReduction]: Number of co-enabled transitions 386 [2022-12-06 06:17:04,774 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:17:04,776 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 28 [2022-12-06 06:17:04,777 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 79 flow [2022-12-06 06:17:04,780 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) [2022-12-06 06:17:04,781 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:17:04,781 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:17:04,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 06:17:04,782 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:17:04,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:17:04,782 INFO L85 PathProgramCache]: Analyzing trace with hash -933277752, now seen corresponding path program 1 times [2022-12-06 06:17:04,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:17:04,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755714289] [2022-12-06 06:17:04,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:17:04,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:17:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:17:05,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:17:05,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:17:05,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755714289] [2022-12-06 06:17:05,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755714289] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:17:05,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:17:05,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:17:05,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527277200] [2022-12-06 06:17:05,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:17:05,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:17:05,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:17:05,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:17:05,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:17:05,117 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 26 [2022-12-06 06:17:05,117 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 79 flow. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:05,117 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:17:05,117 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 26 [2022-12-06 06:17:05,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:17:06,485 INFO L130 PetriNetUnfolder]: 6509/8990 cut-off events. [2022-12-06 06:17:06,486 INFO L131 PetriNetUnfolder]: For 1308/1308 co-relation queries the response was YES. [2022-12-06 06:17:06,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19823 conditions, 8990 events. 6509/8990 cut-off events. For 1308/1308 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 43064 event pairs, 1665 based on Foata normal form. 312/9302 useless extension candidates. Maximal degree in co-relation 19812. Up to 5141 conditions per place. [2022-12-06 06:17:06,551 INFO L137 encePairwiseOnDemand]: 17/26 looper letters, 51 selfloop transitions, 9 changer transitions 0/60 dead transitions. [2022-12-06 06:17:06,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 60 transitions, 279 flow [2022-12-06 06:17:06,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:17:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:17:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 58 transitions. [2022-12-06 06:17:06,555 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5576923076923077 [2022-12-06 06:17:06,555 INFO L175 Difference]: Start difference. First operand has 38 places, 28 transitions, 79 flow. Second operand 4 states and 58 transitions. [2022-12-06 06:17:06,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 60 transitions, 279 flow [2022-12-06 06:17:06,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 60 transitions, 274 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:17:06,558 INFO L231 Difference]: Finished difference. Result has 43 places, 35 transitions, 150 flow [2022-12-06 06:17:06,558 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=150, PETRI_PLACES=43, PETRI_TRANSITIONS=35} [2022-12-06 06:17:06,559 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 0 predicate places. [2022-12-06 06:17:06,559 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:17:06,559 INFO L89 Accepts]: Start accepts. Operand has 43 places, 35 transitions, 150 flow [2022-12-06 06:17:06,562 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:17:06,562 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:17:06,562 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 35 transitions, 150 flow [2022-12-06 06:17:06,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 35 transitions, 150 flow [2022-12-06 06:17:06,603 INFO L130 PetriNetUnfolder]: 150/343 cut-off events. [2022-12-06 06:17:06,603 INFO L131 PetriNetUnfolder]: For 216/256 co-relation queries the response was YES. [2022-12-06 06:17:06,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 820 conditions, 343 events. 150/343 cut-off events. For 216/256 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1857 event pairs, 72 based on Foata normal form. 3/328 useless extension candidates. Maximal degree in co-relation 808. Up to 214 conditions per place. [2022-12-06 06:17:06,607 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 35 transitions, 150 flow [2022-12-06 06:17:06,607 INFO L188 LiptonReduction]: Number of co-enabled transitions 454 [2022-12-06 06:17:06,707 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:17:06,708 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 149 [2022-12-06 06:17:06,708 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 35 transitions, 150 flow [2022-12-06 06:17:06,708 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) [2022-12-06 06:17:06,708 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:17:06,709 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:17:06,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 06:17:06,709 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:17:06,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:17:06,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1084142392, now seen corresponding path program 1 times [2022-12-06 06:17:06,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:17:06,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332953485] [2022-12-06 06:17:06,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:17:06,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:17:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:17:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:17:06,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:17:06,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332953485] [2022-12-06 06:17:06,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332953485] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:17:06,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:17:06,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:17:06,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469295094] [2022-12-06 06:17:06,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:17:06,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:17:06,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:17:06,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:17:06,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:17:06,926 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 26 [2022-12-06 06:17:06,927 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 35 transitions, 150 flow. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:06,927 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:17:06,927 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 26 [2022-12-06 06:17:06,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:17:08,410 INFO L130 PetriNetUnfolder]: 6695/9248 cut-off events. [2022-12-06 06:17:08,410 INFO L131 PetriNetUnfolder]: For 6470/6470 co-relation queries the response was YES. [2022-12-06 06:17:08,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24805 conditions, 9248 events. 6695/9248 cut-off events. For 6470/6470 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 42966 event pairs, 1911 based on Foata normal form. 84/9332 useless extension candidates. Maximal degree in co-relation 24790. Up to 4869 conditions per place. [2022-12-06 06:17:08,535 INFO L137 encePairwiseOnDemand]: 17/26 looper letters, 51 selfloop transitions, 15 changer transitions 0/66 dead transitions. [2022-12-06 06:17:08,539 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 66 transitions, 404 flow [2022-12-06 06:17:08,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:17:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:17:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 52 transitions. [2022-12-06 06:17:08,552 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 06:17:08,552 INFO L175 Difference]: Start difference. First operand has 43 places, 35 transitions, 150 flow. Second operand 4 states and 52 transitions. [2022-12-06 06:17:08,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 66 transitions, 404 flow [2022-12-06 06:17:08,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 66 transitions, 396 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-12-06 06:17:08,568 INFO L231 Difference]: Finished difference. Result has 48 places, 46 transitions, 295 flow [2022-12-06 06:17:08,568 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=295, PETRI_PLACES=48, PETRI_TRANSITIONS=46} [2022-12-06 06:17:08,569 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 5 predicate places. [2022-12-06 06:17:08,569 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:17:08,569 INFO L89 Accepts]: Start accepts. Operand has 48 places, 46 transitions, 295 flow [2022-12-06 06:17:08,570 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:17:08,570 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:17:08,570 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 46 transitions, 295 flow [2022-12-06 06:17:08,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 46 transitions, 295 flow [2022-12-06 06:17:08,658 INFO L130 PetriNetUnfolder]: 136/321 cut-off events. [2022-12-06 06:17:08,659 INFO L131 PetriNetUnfolder]: For 485/503 co-relation queries the response was YES. [2022-12-06 06:17:08,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1050 conditions, 321 events. 136/321 cut-off events. For 485/503 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1656 event pairs, 61 based on Foata normal form. 7/316 useless extension candidates. Maximal degree in co-relation 1034. Up to 179 conditions per place. [2022-12-06 06:17:08,662 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 46 transitions, 295 flow [2022-12-06 06:17:08,662 INFO L188 LiptonReduction]: Number of co-enabled transitions 536 [2022-12-06 06:17:08,684 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:17:08,690 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 121 [2022-12-06 06:17:08,690 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 46 transitions, 295 flow [2022-12-06 06:17:08,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:08,691 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:17:08,691 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:17:08,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 06:17:08,691 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:17:08,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:17:08,692 INFO L85 PathProgramCache]: Analyzing trace with hash -52475647, now seen corresponding path program 1 times [2022-12-06 06:17:08,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:17:08,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770533407] [2022-12-06 06:17:08,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:17:08,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:17:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:17:08,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:17:08,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:17:08,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770533407] [2022-12-06 06:17:08,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770533407] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:17:08,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:17:08,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:17:08,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928758720] [2022-12-06 06:17:08,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:17:08,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:17:08,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:17:08,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:17:08,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:17:08,984 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 26 [2022-12-06 06:17:08,984 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 46 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:08,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:17:08,985 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 26 [2022-12-06 06:17:08,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:17:10,397 INFO L130 PetriNetUnfolder]: 3307/4963 cut-off events. [2022-12-06 06:17:10,397 INFO L131 PetriNetUnfolder]: For 6619/7068 co-relation queries the response was YES. [2022-12-06 06:17:10,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14036 conditions, 4963 events. 3307/4963 cut-off events. For 6619/7068 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 27573 event pairs, 843 based on Foata normal form. 183/4886 useless extension candidates. Maximal degree in co-relation 14017. Up to 4266 conditions per place. [2022-12-06 06:17:10,471 INFO L137 encePairwiseOnDemand]: 20/26 looper letters, 48 selfloop transitions, 5 changer transitions 0/70 dead transitions. [2022-12-06 06:17:10,471 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 70 transitions, 515 flow [2022-12-06 06:17:10,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:17:10,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:17:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-06 06:17:10,475 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2022-12-06 06:17:10,475 INFO L175 Difference]: Start difference. First operand has 48 places, 46 transitions, 295 flow. Second operand 3 states and 52 transitions. [2022-12-06 06:17:10,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 70 transitions, 515 flow [2022-12-06 06:17:10,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 70 transitions, 506 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-12-06 06:17:10,483 INFO L231 Difference]: Finished difference. Result has 50 places, 50 transitions, 323 flow [2022-12-06 06:17:10,483 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=50, PETRI_TRANSITIONS=50} [2022-12-06 06:17:10,485 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 7 predicate places. [2022-12-06 06:17:10,485 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:17:10,486 INFO L89 Accepts]: Start accepts. Operand has 50 places, 50 transitions, 323 flow [2022-12-06 06:17:10,486 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:17:10,487 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:17:10,487 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 50 transitions, 323 flow [2022-12-06 06:17:10,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 50 transitions, 323 flow [2022-12-06 06:17:10,603 INFO L130 PetriNetUnfolder]: 503/1100 cut-off events. [2022-12-06 06:17:10,603 INFO L131 PetriNetUnfolder]: For 929/999 co-relation queries the response was YES. [2022-12-06 06:17:10,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2845 conditions, 1100 events. 503/1100 cut-off events. For 929/999 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 7781 event pairs, 267 based on Foata normal form. 7/1002 useless extension candidates. Maximal degree in co-relation 2827. Up to 612 conditions per place. [2022-12-06 06:17:10,656 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 50 transitions, 323 flow [2022-12-06 06:17:10,656 INFO L188 LiptonReduction]: Number of co-enabled transitions 674 [2022-12-06 06:17:10,688 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:17:10,690 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 205 [2022-12-06 06:17:10,690 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 50 transitions, 323 flow [2022-12-06 06:17:10,690 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) [2022-12-06 06:17:10,690 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:17:10,690 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:17:10,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 06:17:10,691 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:17:10,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:17:10,707 INFO L85 PathProgramCache]: Analyzing trace with hash -355160451, now seen corresponding path program 1 times [2022-12-06 06:17:10,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:17:10,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119625539] [2022-12-06 06:17:10,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:17:10,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:17:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:17:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:17:11,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:17:11,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119625539] [2022-12-06 06:17:11,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119625539] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:17:11,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:17:11,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:17:11,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587510193] [2022-12-06 06:17:11,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:17:11,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:17:11,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:17:11,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:17:11,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:17:11,004 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 26 [2022-12-06 06:17:11,004 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 50 transitions, 323 flow. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:11,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:17:11,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 26 [2022-12-06 06:17:11,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:17:12,233 INFO L130 PetriNetUnfolder]: 5786/8373 cut-off events. [2022-12-06 06:17:12,233 INFO L131 PetriNetUnfolder]: For 13543/13543 co-relation queries the response was YES. [2022-12-06 06:17:12,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28986 conditions, 8373 events. 5786/8373 cut-off events. For 13543/13543 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 42699 event pairs, 1996 based on Foata normal form. 78/8451 useless extension candidates. Maximal degree in co-relation 28965. Up to 4285 conditions per place. [2022-12-06 06:17:12,379 INFO L137 encePairwiseOnDemand]: 20/26 looper letters, 65 selfloop transitions, 13 changer transitions 6/84 dead transitions. [2022-12-06 06:17:12,380 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 84 transitions, 623 flow [2022-12-06 06:17:12,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:17:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:17:12,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 59 transitions. [2022-12-06 06:17:12,392 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5673076923076923 [2022-12-06 06:17:12,392 INFO L175 Difference]: Start difference. First operand has 50 places, 50 transitions, 323 flow. Second operand 4 states and 59 transitions. [2022-12-06 06:17:12,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 84 transitions, 623 flow [2022-12-06 06:17:12,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 84 transitions, 614 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:17:12,402 INFO L231 Difference]: Finished difference. Result has 54 places, 48 transitions, 340 flow [2022-12-06 06:17:12,402 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=340, PETRI_PLACES=54, PETRI_TRANSITIONS=48} [2022-12-06 06:17:12,421 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 11 predicate places. [2022-12-06 06:17:12,421 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:17:12,421 INFO L89 Accepts]: Start accepts. Operand has 54 places, 48 transitions, 340 flow [2022-12-06 06:17:12,423 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:17:12,423 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:17:12,423 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 48 transitions, 340 flow [2022-12-06 06:17:12,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 48 transitions, 340 flow [2022-12-06 06:17:12,617 INFO L130 PetriNetUnfolder]: 528/1191 cut-off events. [2022-12-06 06:17:12,618 INFO L131 PetriNetUnfolder]: For 1285/1368 co-relation queries the response was YES. [2022-12-06 06:17:12,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3016 conditions, 1191 events. 528/1191 cut-off events. For 1285/1368 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 8656 event pairs, 287 based on Foata normal form. 6/1076 useless extension candidates. Maximal degree in co-relation 2995. Up to 718 conditions per place. [2022-12-06 06:17:12,660 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 48 transitions, 340 flow [2022-12-06 06:17:12,660 INFO L188 LiptonReduction]: Number of co-enabled transitions 582 [2022-12-06 06:17:12,668 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:17:12,668 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 247 [2022-12-06 06:17:12,669 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 48 transitions, 340 flow [2022-12-06 06:17:12,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:12,669 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:17:12,669 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:17:12,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 06:17:12,669 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:17:12,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:17:12,670 INFO L85 PathProgramCache]: Analyzing trace with hash -329344161, now seen corresponding path program 1 times [2022-12-06 06:17:12,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:17:12,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660757351] [2022-12-06 06:17:12,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:17:12,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:17:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:17:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:17:13,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:17:13,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660757351] [2022-12-06 06:17:13,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660757351] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:17:13,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:17:13,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:17:13,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643810983] [2022-12-06 06:17:13,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:17:13,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 06:17:13,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:17:13,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 06:17:13,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 06:17:13,070 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 26 [2022-12-06 06:17:13,070 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 48 transitions, 340 flow. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:13,070 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:17:13,070 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 26 [2022-12-06 06:17:13,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:17:14,362 INFO L130 PetriNetUnfolder]: 6053/8956 cut-off events. [2022-12-06 06:17:14,363 INFO L131 PetriNetUnfolder]: For 17958/17958 co-relation queries the response was YES. [2022-12-06 06:17:14,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31411 conditions, 8956 events. 6053/8956 cut-off events. For 17958/17958 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 49909 event pairs, 616 based on Foata normal form. 78/9034 useless extension candidates. Maximal degree in co-relation 31387. Up to 4300 conditions per place. [2022-12-06 06:17:14,480 INFO L137 encePairwiseOnDemand]: 16/26 looper letters, 85 selfloop transitions, 31 changer transitions 12/128 dead transitions. [2022-12-06 06:17:14,481 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 128 transitions, 991 flow [2022-12-06 06:17:14,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 06:17:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 06:17:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 92 transitions. [2022-12-06 06:17:14,483 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5897435897435898 [2022-12-06 06:17:14,483 INFO L175 Difference]: Start difference. First operand has 54 places, 48 transitions, 340 flow. Second operand 6 states and 92 transitions. [2022-12-06 06:17:14,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 128 transitions, 991 flow [2022-12-06 06:17:14,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 128 transitions, 969 flow, removed 11 selfloop flow, removed 0 redundant places. [2022-12-06 06:17:14,495 INFO L231 Difference]: Finished difference. Result has 63 places, 63 transitions, 600 flow [2022-12-06 06:17:14,495 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=600, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2022-12-06 06:17:14,496 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 20 predicate places. [2022-12-06 06:17:14,515 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:17:14,515 INFO L89 Accepts]: Start accepts. Operand has 63 places, 63 transitions, 600 flow [2022-12-06 06:17:14,517 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:17:14,517 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:17:14,518 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 63 transitions, 600 flow [2022-12-06 06:17:14,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 63 transitions, 600 flow [2022-12-06 06:17:14,752 INFO L130 PetriNetUnfolder]: 796/1793 cut-off events. [2022-12-06 06:17:14,752 INFO L131 PetriNetUnfolder]: For 2679/2847 co-relation queries the response was YES. [2022-12-06 06:17:14,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4729 conditions, 1793 events. 796/1793 cut-off events. For 2679/2847 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 14324 event pairs, 407 based on Foata normal form. 6/1619 useless extension candidates. Maximal degree in co-relation 4702. Up to 1169 conditions per place. [2022-12-06 06:17:14,781 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 63 transitions, 600 flow [2022-12-06 06:17:14,781 INFO L188 LiptonReduction]: Number of co-enabled transitions 752 [2022-12-06 06:17:14,790 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:17:14,791 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 276 [2022-12-06 06:17:14,791 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 600 flow [2022-12-06 06:17:14,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:14,791 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:17:14,792 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:17:14,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 06:17:14,792 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:17:14,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:17:14,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1196428175, now seen corresponding path program 2 times [2022-12-06 06:17:14,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:17:14,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137393135] [2022-12-06 06:17:14,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:17:14,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:17:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:17:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:17:15,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:17:15,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137393135] [2022-12-06 06:17:15,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137393135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:17:15,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:17:15,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:17:15,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403483289] [2022-12-06 06:17:15,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:17:15,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:17:15,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:17:15,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:17:15,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:17:15,074 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 26 [2022-12-06 06:17:15,075 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 600 flow. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:15,075 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:17:15,075 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 26 [2022-12-06 06:17:15,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:17:15,802 INFO L130 PetriNetUnfolder]: 2619/4278 cut-off events. [2022-12-06 06:17:15,802 INFO L131 PetriNetUnfolder]: For 10986/11318 co-relation queries the response was YES. [2022-12-06 06:17:15,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15292 conditions, 4278 events. 2619/4278 cut-off events. For 10986/11318 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 25943 event pairs, 436 based on Foata normal form. 421/4525 useless extension candidates. Maximal degree in co-relation 15262. Up to 2460 conditions per place. [2022-12-06 06:17:15,849 INFO L137 encePairwiseOnDemand]: 20/26 looper letters, 83 selfloop transitions, 9 changer transitions 4/114 dead transitions. [2022-12-06 06:17:15,850 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 114 transitions, 1204 flow [2022-12-06 06:17:15,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:17:15,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:17:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 71 transitions. [2022-12-06 06:17:15,851 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6826923076923077 [2022-12-06 06:17:15,851 INFO L175 Difference]: Start difference. First operand has 63 places, 63 transitions, 600 flow. Second operand 4 states and 71 transitions. [2022-12-06 06:17:15,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 114 transitions, 1204 flow [2022-12-06 06:17:15,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 114 transitions, 1188 flow, removed 8 selfloop flow, removed 0 redundant places. [2022-12-06 06:17:15,864 INFO L231 Difference]: Finished difference. Result has 67 places, 65 transitions, 620 flow [2022-12-06 06:17:15,864 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=620, PETRI_PLACES=67, PETRI_TRANSITIONS=65} [2022-12-06 06:17:15,866 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 24 predicate places. [2022-12-06 06:17:15,866 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:17:15,866 INFO L89 Accepts]: Start accepts. Operand has 67 places, 65 transitions, 620 flow [2022-12-06 06:17:15,870 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:17:15,870 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:17:15,870 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 65 transitions, 620 flow [2022-12-06 06:17:15,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 65 transitions, 620 flow [2022-12-06 06:17:15,992 INFO L130 PetriNetUnfolder]: 495/1232 cut-off events. [2022-12-06 06:17:15,993 INFO L131 PetriNetUnfolder]: For 2302/2803 co-relation queries the response was YES. [2022-12-06 06:17:15,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4286 conditions, 1232 events. 495/1232 cut-off events. For 2302/2803 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 9296 event pairs, 140 based on Foata normal form. 44/1215 useless extension candidates. Maximal degree in co-relation 4256. Up to 762 conditions per place. [2022-12-06 06:17:16,006 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 65 transitions, 620 flow [2022-12-06 06:17:16,007 INFO L188 LiptonReduction]: Number of co-enabled transitions 782 [2022-12-06 06:17:16,030 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:17:16,031 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 165 [2022-12-06 06:17:16,031 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 620 flow [2022-12-06 06:17:16,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:16,032 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:17:16,032 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] [2022-12-06 06:17:16,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 06:17:16,032 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:17:16,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:17:16,032 INFO L85 PathProgramCache]: Analyzing trace with hash -204566124, now seen corresponding path program 1 times [2022-12-06 06:17:16,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:17:16,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432373018] [2022-12-06 06:17:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:17:16,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:17:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:17:16,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:17:16,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:17:16,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432373018] [2022-12-06 06:17:16,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432373018] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:17:16,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:17:16,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:17:16,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063994458] [2022-12-06 06:17:16,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:17:16,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 06:17:16,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:17:16,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 06:17:16,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-06 06:17:16,291 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 26 [2022-12-06 06:17:16,291 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 620 flow. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:16,291 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:17:16,291 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 26 [2022-12-06 06:17:16,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:17:16,728 INFO L130 PetriNetUnfolder]: 1781/2962 cut-off events. [2022-12-06 06:17:16,729 INFO L131 PetriNetUnfolder]: For 9330/9735 co-relation queries the response was YES. [2022-12-06 06:17:16,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12403 conditions, 2962 events. 1781/2962 cut-off events. For 9330/9735 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 17251 event pairs, 279 based on Foata normal form. 349/3173 useless extension candidates. Maximal degree in co-relation 12370. Up to 1158 conditions per place. [2022-12-06 06:17:16,759 INFO L137 encePairwiseOnDemand]: 20/26 looper letters, 91 selfloop transitions, 13 changer transitions 5/125 dead transitions. [2022-12-06 06:17:16,759 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 125 transitions, 1302 flow [2022-12-06 06:17:16,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:17:16,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:17:16,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 88 transitions. [2022-12-06 06:17:16,761 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.676923076923077 [2022-12-06 06:17:16,761 INFO L175 Difference]: Start difference. First operand has 67 places, 65 transitions, 620 flow. Second operand 5 states and 88 transitions. [2022-12-06 06:17:16,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 125 transitions, 1302 flow [2022-12-06 06:17:16,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 125 transitions, 1284 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-12-06 06:17:16,780 INFO L231 Difference]: Finished difference. Result has 70 places, 66 transitions, 628 flow [2022-12-06 06:17:16,780 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=628, PETRI_PLACES=70, PETRI_TRANSITIONS=66} [2022-12-06 06:17:16,780 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 27 predicate places. [2022-12-06 06:17:16,781 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:17:16,781 INFO L89 Accepts]: Start accepts. Operand has 70 places, 66 transitions, 628 flow [2022-12-06 06:17:16,782 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:17:16,782 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:17:16,782 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 66 transitions, 628 flow [2022-12-06 06:17:16,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 66 transitions, 628 flow [2022-12-06 06:17:16,884 INFO L130 PetriNetUnfolder]: 306/760 cut-off events. [2022-12-06 06:17:16,884 INFO L131 PetriNetUnfolder]: For 2148/2520 co-relation queries the response was YES. [2022-12-06 06:17:16,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3060 conditions, 760 events. 306/760 cut-off events. For 2148/2520 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4906 event pairs, 60 based on Foata normal form. 58/778 useless extension candidates. Maximal degree in co-relation 3029. Up to 373 conditions per place. [2022-12-06 06:17:16,895 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 66 transitions, 628 flow [2022-12-06 06:17:16,895 INFO L188 LiptonReduction]: Number of co-enabled transitions 690 [2022-12-06 06:17:16,936 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:17:16,937 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 156 [2022-12-06 06:17:16,937 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 66 transitions, 628 flow [2022-12-06 06:17:16,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:16,938 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:17:16,938 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:17:16,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-06 06:17:16,938 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:17:16,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:17:16,938 INFO L85 PathProgramCache]: Analyzing trace with hash -886518020, now seen corresponding path program 1 times [2022-12-06 06:17:16,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:17:16,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171176512] [2022-12-06 06:17:16,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:17:16,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:17:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:17:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:17:17,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:17:17,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171176512] [2022-12-06 06:17:17,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171176512] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:17:17,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:17:17,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 06:17:17,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906150847] [2022-12-06 06:17:17,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:17:17,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 06:17:17,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:17:17,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 06:17:17,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-06 06:17:17,222 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 26 [2022-12-06 06:17:17,222 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 628 flow. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:17,222 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:17:17,222 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 26 [2022-12-06 06:17:17,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:17:17,846 INFO L130 PetriNetUnfolder]: 1621/2638 cut-off events. [2022-12-06 06:17:17,846 INFO L131 PetriNetUnfolder]: For 9257/9583 co-relation queries the response was YES. [2022-12-06 06:17:17,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11396 conditions, 2638 events. 1621/2638 cut-off events. For 9257/9583 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 14967 event pairs, 265 based on Foata normal form. 184/2689 useless extension candidates. Maximal degree in co-relation 11362. Up to 1008 conditions per place. [2022-12-06 06:17:17,863 INFO L137 encePairwiseOnDemand]: 20/26 looper letters, 55 selfloop transitions, 17 changer transitions 44/122 dead transitions. [2022-12-06 06:17:17,864 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 122 transitions, 1284 flow [2022-12-06 06:17:17,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 06:17:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 06:17:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 92 transitions. [2022-12-06 06:17:17,865 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5897435897435898 [2022-12-06 06:17:17,865 INFO L175 Difference]: Start difference. First operand has 70 places, 66 transitions, 628 flow. Second operand 6 states and 92 transitions. [2022-12-06 06:17:17,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 122 transitions, 1284 flow [2022-12-06 06:17:17,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 122 transitions, 1225 flow, removed 11 selfloop flow, removed 5 redundant places. [2022-12-06 06:17:17,933 INFO L231 Difference]: Finished difference. Result has 71 places, 44 transitions, 334 flow [2022-12-06 06:17:17,934 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=334, PETRI_PLACES=71, PETRI_TRANSITIONS=44} [2022-12-06 06:17:17,934 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 28 predicate places. [2022-12-06 06:17:17,935 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:17:17,935 INFO L89 Accepts]: Start accepts. Operand has 71 places, 44 transitions, 334 flow [2022-12-06 06:17:17,941 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:17:17,941 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:17:17,941 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 44 transitions, 334 flow [2022-12-06 06:17:17,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 44 transitions, 334 flow [2022-12-06 06:17:17,962 INFO L130 PetriNetUnfolder]: 70/192 cut-off events. [2022-12-06 06:17:17,962 INFO L131 PetriNetUnfolder]: For 464/498 co-relation queries the response was YES. [2022-12-06 06:17:17,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 192 events. 70/192 cut-off events. For 464/498 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 831 event pairs, 14 based on Foata normal form. 1/182 useless extension candidates. Maximal degree in co-relation 708. Up to 58 conditions per place. [2022-12-06 06:17:17,965 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 44 transitions, 334 flow [2022-12-06 06:17:17,965 INFO L188 LiptonReduction]: Number of co-enabled transitions 330 [2022-12-06 06:17:18,139 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [382] L755-->L758: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] and [525] $Ultimate##0-->L773: Formula: (and (= |v_P1Thread1of1ForFork3_#in~arg.base_19| v_P1Thread1of1ForFork3_~arg.base_19) (= v_~y~0_51 v_~__unbuffered_p1_EAX~0_88) (= 2 v_~x~0_108) (= |v_P1Thread1of1ForFork3_#in~arg.offset_19| v_P1Thread1of1ForFork3_~arg.offset_19)) InVars {P1Thread1of1ForFork3_#in~arg.base=|v_P1Thread1of1ForFork3_#in~arg.base_19|, P1Thread1of1ForFork3_#in~arg.offset=|v_P1Thread1of1ForFork3_#in~arg.offset_19|, ~y~0=v_~y~0_51} OutVars{P1Thread1of1ForFork3_~arg.offset=v_P1Thread1of1ForFork3_~arg.offset_19, P1Thread1of1ForFork3_#in~arg.base=|v_P1Thread1of1ForFork3_#in~arg.base_19|, P1Thread1of1ForFork3_~arg.base=v_P1Thread1of1ForFork3_~arg.base_19, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_88, P1Thread1of1ForFork3_#in~arg.offset=|v_P1Thread1of1ForFork3_#in~arg.offset_19|, ~y~0=v_~y~0_51, ~x~0=v_~x~0_108} AuxVars[] AssignedVars[P1Thread1of1ForFork3_~arg.offset, P1Thread1of1ForFork3_~arg.base, ~__unbuffered_p1_EAX~0, ~x~0] [2022-12-06 06:17:18,707 INFO L203 LiptonReduction]: Total number of compositions: 5 [2022-12-06 06:17:18,708 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 773 [2022-12-06 06:17:18,708 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 41 transitions, 340 flow [2022-12-06 06:17:18,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:18,708 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:17:18,708 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:17:18,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-06 06:17:18,708 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:17:18,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:17:18,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1113409615, now seen corresponding path program 1 times [2022-12-06 06:17:18,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:17:18,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895877043] [2022-12-06 06:17:18,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:17:18,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:17:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:17:19,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:17:19,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:17:19,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895877043] [2022-12-06 06:17:19,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895877043] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:17:19,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:17:19,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:17:19,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906464058] [2022-12-06 06:17:19,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:17:19,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:17:19,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:17:19,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:17:19,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:17:19,008 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 24 [2022-12-06 06:17:19,008 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 41 transitions, 340 flow. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:19,008 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:17:19,008 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 24 [2022-12-06 06:17:19,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:17:19,305 INFO L130 PetriNetUnfolder]: 593/1005 cut-off events. [2022-12-06 06:17:19,305 INFO L131 PetriNetUnfolder]: For 4594/4594 co-relation queries the response was YES. [2022-12-06 06:17:19,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4702 conditions, 1005 events. 593/1005 cut-off events. For 4594/4594 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4568 event pairs, 65 based on Foata normal form. 1/1006 useless extension candidates. Maximal degree in co-relation 4673. Up to 702 conditions per place. [2022-12-06 06:17:19,314 INFO L137 encePairwiseOnDemand]: 13/24 looper letters, 59 selfloop transitions, 14 changer transitions 13/86 dead transitions. [2022-12-06 06:17:19,314 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 86 transitions, 831 flow [2022-12-06 06:17:19,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:17:19,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:17:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 58 transitions. [2022-12-06 06:17:19,316 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.48333333333333334 [2022-12-06 06:17:19,316 INFO L175 Difference]: Start difference. First operand has 65 places, 41 transitions, 340 flow. Second operand 5 states and 58 transitions. [2022-12-06 06:17:19,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 86 transitions, 831 flow [2022-12-06 06:17:19,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 86 transitions, 695 flow, removed 27 selfloop flow, removed 9 redundant places. [2022-12-06 06:17:19,327 INFO L231 Difference]: Finished difference. Result has 62 places, 49 transitions, 408 flow [2022-12-06 06:17:19,328 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=408, PETRI_PLACES=62, PETRI_TRANSITIONS=49} [2022-12-06 06:17:19,328 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 19 predicate places. [2022-12-06 06:17:19,328 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:17:19,328 INFO L89 Accepts]: Start accepts. Operand has 62 places, 49 transitions, 408 flow [2022-12-06 06:17:19,331 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:17:19,331 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:17:19,331 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 49 transitions, 408 flow [2022-12-06 06:17:19,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 49 transitions, 408 flow [2022-12-06 06:17:19,371 INFO L130 PetriNetUnfolder]: 102/267 cut-off events. [2022-12-06 06:17:19,371 INFO L131 PetriNetUnfolder]: For 987/1035 co-relation queries the response was YES. [2022-12-06 06:17:19,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 976 conditions, 267 events. 102/267 cut-off events. For 987/1035 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1426 event pairs, 4 based on Foata normal form. 15/270 useless extension candidates. Maximal degree in co-relation 949. Up to 78 conditions per place. [2022-12-06 06:17:19,375 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 49 transitions, 408 flow [2022-12-06 06:17:19,375 INFO L188 LiptonReduction]: Number of co-enabled transitions 362 [2022-12-06 06:17:19,376 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:17:19,377 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 49 [2022-12-06 06:17:19,377 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 49 transitions, 408 flow [2022-12-06 06:17:19,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:19,377 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:17:19,377 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] [2022-12-06 06:17:19,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-06 06:17:19,378 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:17:19,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:17:19,378 INFO L85 PathProgramCache]: Analyzing trace with hash 492319188, now seen corresponding path program 1 times [2022-12-06 06:17:19,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:17:19,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82747787] [2022-12-06 06:17:19,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:17:19,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:17:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:17:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:17:19,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:17:19,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82747787] [2022-12-06 06:17:19,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82747787] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:17:19,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:17:19,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:17:19,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775736316] [2022-12-06 06:17:19,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:17:19,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:17:19,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:17:19,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:17:19,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:17:19,671 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 24 [2022-12-06 06:17:19,671 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 49 transitions, 408 flow. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:17:19,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:17:19,671 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 24 [2022-12-06 06:17:19,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:17:20,437 INFO L130 PetriNetUnfolder]: 630/1099 cut-off events. [2022-12-06 06:17:20,437 INFO L131 PetriNetUnfolder]: For 5318/5318 co-relation queries the response was YES. [2022-12-06 06:17:20,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5012 conditions, 1099 events. 630/1099 cut-off events. For 5318/5318 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5278 event pairs, 136 based on Foata normal form. 1/1100 useless extension candidates. Maximal degree in co-relation 4982. Up to 518 conditions per place. [2022-12-06 06:17:20,472 INFO L137 encePairwiseOnDemand]: 21/24 looper letters, 34 selfloop transitions, 1 changer transitions 47/83 dead transitions. [2022-12-06 06:17:20,473 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 83 transitions, 757 flow [2022-12-06 06:17:20,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:17:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:17:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 54 transitions. [2022-12-06 06:17:20,474 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5625 [2022-12-06 06:17:20,475 INFO L175 Difference]: Start difference. First operand has 62 places, 49 transitions, 408 flow. Second operand 4 states and 54 transitions. [2022-12-06 06:17:20,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 83 transitions, 757 flow [2022-12-06 06:17:20,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 83 transitions, 745 flow, removed 6 selfloop flow, removed 0 redundant places. [2022-12-06 06:17:20,492 INFO L231 Difference]: Finished difference. Result has 66 places, 34 transitions, 231 flow [2022-12-06 06:17:20,492 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=231, PETRI_PLACES=66, PETRI_TRANSITIONS=34} [2022-12-06 06:17:20,493 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 23 predicate places. [2022-12-06 06:17:20,493 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:17:20,493 INFO L89 Accepts]: Start accepts. Operand has 66 places, 34 transitions, 231 flow [2022-12-06 06:17:20,494 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:17:20,494 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:17:20,494 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 34 transitions, 231 flow [2022-12-06 06:17:20,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 34 transitions, 231 flow [2022-12-06 06:17:20,508 INFO L130 PetriNetUnfolder]: 26/86 cut-off events. [2022-12-06 06:17:20,509 INFO L131 PetriNetUnfolder]: For 497/518 co-relation queries the response was YES. [2022-12-06 06:17:20,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 86 events. 26/86 cut-off events. For 497/518 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 301 event pairs, 2 based on Foata normal form. 4/86 useless extension candidates. Maximal degree in co-relation 283. Up to 24 conditions per place. [2022-12-06 06:17:20,510 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 34 transitions, 231 flow [2022-12-06 06:17:20,510 INFO L188 LiptonReduction]: Number of co-enabled transitions 82 [2022-12-06 06:17:20,722 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [382] L755-->L758: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] and [402] L826-->L842: Formula: (let ((.cse6 (= 0 (mod v_~z$r_buff1_thd4~0_56 256))) (.cse10 (= (mod v_~z$r_buff0_thd4~0_67 256) 0))) (let ((.cse11 (not .cse10)) (.cse8 (and .cse10 .cse6)) (.cse9 (and .cse10 (= (mod v_~z$w_buff1_used~0_107 256) 0))) (.cse12 (= (mod v_~z$w_buff0_used~0_120 256) 0))) (let ((.cse2 (or .cse8 .cse9 .cse12)) (.cse3 (and (not .cse12) .cse11))) (let ((.cse0 (ite .cse2 v_~z~0_116 (ite .cse3 v_~z$w_buff0~0_53 v_~z$w_buff1~0_54))) (.cse1 (not (= (mod v_~weak$$choice2~0_64 256) 0))) (.cse7 (= (mod v_~z$w_buff1_used~0_106 256) 0)) (.cse4 (= (mod v_~z$w_buff0_used~0_119 256) 0))) (and (= |v_P3Thread1of1ForFork2_#t~nondet5#1_1| v_~weak$$choice0~0_16) (= v_~z$mem_tmp~0_46 v_~z~0_116) (= .cse0 v_~__unbuffered_p3_EAX~0_14) (= v_~z$w_buff1~0_54 v_~z$w_buff1~0_53) (= (ite .cse1 v_~z$w_buff0_used~0_120 (ite .cse2 v_~z$w_buff0_used~0_120 (ite .cse3 0 v_~z$w_buff0_used~0_120))) v_~z$w_buff0_used~0_119) (= v_~z$r_buff1_thd4~0_55 (ite .cse1 v_~z$r_buff1_thd4~0_56 (ite (let ((.cse5 (= (mod v_~z$r_buff0_thd4~0_66 256) 0))) (or .cse4 (and .cse5 .cse6) (and .cse5 .cse7))) v_~z$r_buff1_thd4~0_56 0))) (= |v_P3Thread1of1ForFork2_#t~nondet6#1_1| v_~weak$$choice2~0_64) (= v_~z$w_buff1_used~0_106 (ite .cse1 v_~z$w_buff1_used~0_107 (ite (or .cse4 .cse8 .cse9) v_~z$w_buff1_used~0_107 0))) (= v_~z~0_114 (ite .cse1 v_~z$mem_tmp~0_46 .cse0)) (= v_~z$w_buff0~0_53 v_~z$w_buff0~0_52) (= v_~z$flush_delayed~0_70 0) (= v_~z$r_buff0_thd4~0_66 (ite .cse1 v_~z$r_buff0_thd4~0_67 (ite (or (and .cse10 .cse7) .cse4 .cse8) v_~z$r_buff0_thd4~0_67 (ite (and (not .cse4) .cse11) 0 v_~z$r_buff0_thd4~0_67))))))))) InVars {P3Thread1of1ForFork2_#t~nondet5#1=|v_P3Thread1of1ForFork2_#t~nondet5#1_1|, ~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_56, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_120, ~z$w_buff0~0=v_~z$w_buff0~0_53, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_67, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_107, ~z$w_buff1~0=v_~z$w_buff1~0_54, P3Thread1of1ForFork2_#t~nondet6#1=|v_P3Thread1of1ForFork2_#t~nondet6#1_1|, ~z~0=v_~z~0_116} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_46, ~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_55, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_119, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_106, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z$flush_delayed~0=v_~z$flush_delayed~0_70, ~weak$$choice0~0=v_~weak$$choice0~0_16, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_14, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_66, ~z~0=v_~z~0_114, ~weak$$choice2~0=v_~weak$$choice2~0_64} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$r_buff1_thd4~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$w_buff1_used~0, ~z$w_buff1~0, ~z$flush_delayed~0, P3Thread1of1ForFork2_#t~nondet6#1, ~weak$$choice0~0, P3Thread1of1ForFork2_#t~nondet5#1, ~__unbuffered_p3_EAX~0, ~z$r_buff0_thd4~0, ~z~0, ~weak$$choice2~0] [2022-12-06 06:17:21,749 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-06 06:17:21,751 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-06 06:17:21,751 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-06 06:17:21,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-06 06:17:21,752 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet! at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:125) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.refineAbstraction(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-06 06:17:21,755 INFO L158 Benchmark]: Toolchain (without parser) took 31535.91ms. Allocated memory was 186.6MB in the beginning and 1.2GB in the end (delta: 977.3MB). Free memory was 142.8MB in the beginning and 933.5MB in the end (delta: -790.7MB). Peak memory consumption was 756.5MB. Max. memory is 8.0GB. [2022-12-06 06:17:21,755 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory was 162.8MB in the beginning and 162.6MB in the end (delta: 152.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:17:21,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.26ms. Allocated memory is still 186.6MB. Free memory was 142.3MB in the beginning and 113.4MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-12-06 06:17:21,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.30ms. Allocated memory is still 186.6MB. Free memory was 113.4MB in the beginning and 110.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 06:17:21,756 INFO L158 Benchmark]: Boogie Preprocessor took 56.16ms. Allocated memory is still 186.6MB. Free memory was 110.3MB in the beginning and 108.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 06:17:21,756 INFO L158 Benchmark]: RCFGBuilder took 1230.86ms. Allocated memory is still 186.6MB. Free memory was 108.3MB in the beginning and 72.1MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-12-06 06:17:21,756 INFO L158 Benchmark]: TraceAbstraction took 29341.26ms. Allocated memory was 186.6MB in the beginning and 1.2GB in the end (delta: 977.3MB). Free memory was 71.0MB in the beginning and 933.5MB in the end (delta: -862.5MB). Peak memory consumption was 685.2MB. Max. memory is 8.0GB. [2022-12-06 06:17:21,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory was 162.8MB in the beginning and 162.6MB in the end (delta: 152.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 825.26ms. Allocated memory is still 186.6MB. Free memory was 142.3MB in the beginning and 113.4MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.30ms. Allocated memory is still 186.6MB. Free memory was 113.4MB in the beginning and 110.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.16ms. Allocated memory is still 186.6MB. Free memory was 110.3MB in the beginning and 108.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 1230.86ms. Allocated memory is still 186.6MB. Free memory was 108.3MB in the beginning and 72.1MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 29341.26ms. Allocated memory was 186.6MB in the beginning and 1.2GB in the end (delta: 977.3MB). Free memory was 71.0MB in the beginning and 933.5MB in the end (delta: -862.5MB). Peak memory consumption was 685.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.3s, 137 PlacesBefore, 43 PlacesAfterwards, 126 TransitionsBefore, 31 TransitionsAfterwards, 2836 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 44 TrivialYvCompositions, 52 ConcurrentYvCompositions, 1 ChoiceCompositions, 98 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2135, independent: 2068, independent conditional: 2068, independent unconditional: 0, dependent: 67, dependent conditional: 67, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2135, independent: 2068, independent conditional: 0, independent unconditional: 2068, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2135, independent: 2068, independent conditional: 0, independent unconditional: 2068, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2135, independent: 2068, independent conditional: 0, independent unconditional: 2068, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1721, independent: 1675, independent conditional: 0, independent unconditional: 1675, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1721, independent: 1652, independent conditional: 0, independent unconditional: 1652, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 473, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 406, dependent conditional: 0, dependent unconditional: 406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2135, independent: 393, independent conditional: 0, independent unconditional: 393, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 1721, unknown conditional: 0, unknown unconditional: 1721] , Statistics on independence cache: Total cache size (in pairs): 2543, Positive cache size: 2497, Positive conditional cache size: 0, Positive unconditional cache size: 2497, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 37 PlacesBefore, 37 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 205, independent: 179, independent conditional: 179, independent unconditional: 0, dependent: 26, dependent conditional: 26, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 205, independent: 179, independent conditional: 11, independent unconditional: 168, dependent: 26, dependent conditional: 3, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 205, independent: 179, independent conditional: 11, independent unconditional: 168, dependent: 26, dependent conditional: 3, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 205, independent: 179, independent conditional: 11, independent unconditional: 168, dependent: 26, dependent conditional: 3, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 181, independent: 160, independent conditional: 10, independent unconditional: 150, dependent: 21, dependent conditional: 2, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 181, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 21, dependent conditional: 2, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 245, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 238, dependent conditional: 43, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 205, independent: 19, independent conditional: 1, independent unconditional: 18, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 181, unknown conditional: 12, unknown unconditional: 169] , Statistics on independence cache: Total cache size (in pairs): 181, Positive cache size: 160, Positive conditional cache size: 10, Positive unconditional cache size: 150, Negative cache size: 21, Negative conditional cache size: 2, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 38 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 250, independent: 227, independent conditional: 227, independent unconditional: 0, dependent: 23, dependent conditional: 23, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 250, independent: 227, independent conditional: 31, independent unconditional: 196, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 250, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 250, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 250, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , Statistics on independence cache: Total cache size (in pairs): 196, Positive cache size: 173, Positive conditional cache size: 10, Positive unconditional cache size: 163, Negative cache size: 23, Negative conditional cache size: 2, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 31, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 43 PlacesBefore, 43 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 257, independent: 239, independent conditional: 239, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 257, independent: 239, independent conditional: 59, independent unconditional: 180, dependent: 18, dependent conditional: 4, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 257, independent: 239, independent conditional: 0, independent unconditional: 239, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 257, independent: 239, independent conditional: 0, independent unconditional: 239, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 257, independent: 232, independent conditional: 0, independent unconditional: 232, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 205, Positive cache size: 180, Positive conditional cache size: 10, Positive unconditional cache size: 170, Negative cache size: 25, Negative conditional cache size: 2, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 63, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 48 PlacesBefore, 48 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 536 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 290, independent: 259, independent conditional: 259, independent unconditional: 0, dependent: 31, dependent conditional: 31, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 290, independent: 259, independent conditional: 63, independent unconditional: 196, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 292, independent: 259, independent conditional: 0, independent unconditional: 259, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 292, independent: 259, independent conditional: 0, independent unconditional: 259, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 292, independent: 258, independent conditional: 0, independent unconditional: 258, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 181, Positive conditional cache size: 10, Positive unconditional cache size: 171, Negative cache size: 25, Negative conditional cache size: 2, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 71, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 50 PlacesBefore, 50 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 256, independent: 239, independent conditional: 239, independent unconditional: 0, dependent: 17, dependent conditional: 17, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 256, independent: 239, independent conditional: 51, independent unconditional: 188, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 256, independent: 239, independent conditional: 34, independent unconditional: 205, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 256, independent: 239, independent conditional: 34, independent unconditional: 205, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 256, independent: 239, independent conditional: 34, independent unconditional: 205, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 207, Positive cache size: 181, Positive conditional cache size: 10, Positive unconditional cache size: 171, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 54 PlacesBefore, 54 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, independent: 143, independent conditional: 143, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 158, independent: 143, independent conditional: 53, independent unconditional: 90, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 158, independent: 143, independent conditional: 16, independent unconditional: 127, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 158, independent: 143, independent conditional: 16, independent unconditional: 127, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 158, independent: 141, independent conditional: 16, independent unconditional: 125, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 183, Positive conditional cache size: 10, Positive unconditional cache size: 173, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 37, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 63 PlacesBefore, 63 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 752 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 321, independent: 303, independent conditional: 303, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 321, independent: 303, independent conditional: 168, independent unconditional: 135, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 321, independent: 303, independent conditional: 72, independent unconditional: 231, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 321, independent: 303, independent conditional: 72, independent unconditional: 231, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 321, independent: 303, independent conditional: 72, independent unconditional: 231, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 183, Positive conditional cache size: 10, Positive unconditional cache size: 173, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 96, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 67 PlacesBefore, 67 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 358, independent: 339, independent conditional: 339, independent unconditional: 0, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 358, independent: 339, independent conditional: 176, independent unconditional: 163, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 358, independent: 339, independent conditional: 92, independent unconditional: 247, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 358, independent: 339, independent conditional: 92, independent unconditional: 247, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 358, independent: 339, independent conditional: 92, independent unconditional: 247, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 183, Positive conditional cache size: 10, Positive unconditional cache size: 173, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 84, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 70 PlacesBefore, 70 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 164, independent: 145, independent conditional: 145, independent unconditional: 0, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 164, independent: 145, independent conditional: 60, independent unconditional: 85, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 164, independent: 145, independent conditional: 30, independent unconditional: 115, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 164, independent: 145, independent conditional: 30, independent unconditional: 115, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 26, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 164, independent: 145, independent conditional: 30, independent unconditional: 115, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 183, Positive conditional cache size: 10, Positive unconditional cache size: 173, Negative cache size: 27, Negative conditional cache size: 2, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.7s, 68 PlacesBefore, 65 PlacesAfterwards, 44 TransitionsBefore, 41 TransitionsAfterwards, 330 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 302, independent: 280, independent conditional: 280, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 302, independent: 280, independent conditional: 161, independent unconditional: 119, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 302, independent: 280, independent conditional: 127, independent unconditional: 153, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 302, independent: 280, independent conditional: 127, independent unconditional: 153, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, independent: 9, independent conditional: 2, independent unconditional: 7, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 302, independent: 271, independent conditional: 125, independent unconditional: 146, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 9, unknown conditional: 2, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 275, Positive cache size: 248, Positive conditional cache size: 15, Positive unconditional cache size: 233, Negative cache size: 27, Negative conditional cache size: 2, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 62 PlacesBefore, 62 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 362 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 152, independent: 142, independent conditional: 142, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 152, independent: 142, independent conditional: 116, independent unconditional: 26, dependent: 10, dependent conditional: 6, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 152, independent: 142, independent conditional: 80, independent unconditional: 62, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 152, independent: 142, independent conditional: 80, independent unconditional: 62, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 152, independent: 142, independent conditional: 80, independent unconditional: 62, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 275, Positive cache size: 248, Positive conditional cache size: 15, Positive unconditional cache size: 233, Negative cache size: 27, Negative conditional cache size: 2, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.2s, 64 PlacesBefore, 63 PlacesAfterwards, 34 TransitionsBefore, 33 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, independent: 51, independent conditional: 51, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 63, independent: 51, independent conditional: 38, independent unconditional: 13, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 63, independent: 51, independent conditional: 36, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63, independent: 51, independent conditional: 36, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, independent: 51, independent conditional: 36, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 304, Positive cache size: 277, Positive conditional cache size: 15, Positive unconditional cache size: 262, Negative cache size: 27, Negative conditional cache size: 2, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 0 - ExceptionOrErrorResult: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word contains letters no longer in the reduced abstraction's alphabet!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:125) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-06 06:17:21,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...