/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 00:51:51,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 00:51:51,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 00:51:51,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 00:51:51,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 00:51:51,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 00:51:51,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 00:51:51,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 00:51:51,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 00:51:51,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 00:51:51,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 00:51:51,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 00:51:51,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 00:51:51,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 00:51:51,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 00:51:51,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 00:51:51,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 00:51:51,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 00:51:51,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 00:51:51,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 00:51:51,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 00:51:51,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 00:51:51,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 00:51:51,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 00:51:51,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 00:51:51,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 00:51:51,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 00:51:51,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 00:51:51,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 00:51:51,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 00:51:51,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 00:51:51,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 00:51:51,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 00:51:51,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 00:51:51,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 00:51:51,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 00:51:51,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 00:51:51,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 00:51:51,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 00:51:51,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 00:51:51,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 00:51:51,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-13 00:51:51,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 00:51:51,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 00:51:51,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 00:51:51,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 00:51:51,737 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 00:51:51,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 00:51:51,738 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 00:51:51,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 00:51:51,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 00:51:51,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 00:51:51,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 00:51:51,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 00:51:51,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 00:51:51,740 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 00:51:51,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 00:51:51,740 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 00:51:51,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 00:51:51,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 00:51:51,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 00:51:51,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 00:51:51,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 00:51:51,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 00:51:51,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 00:51:51,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 00:51:51,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 00:51:51,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 00:51:51,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 00:51:51,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 00:51:51,742 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 00:51:52,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 00:51:52,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 00:51:52,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 00:51:52,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 00:51:52,144 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 00:51:52,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-12-13 00:51:53,470 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 00:51:53,691 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 00:51:53,691 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-12-13 00:51:53,707 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d56030c27/892f99e6a2a14daba9910eb8f0b98550/FLAG20460b0e1 [2022-12-13 00:51:53,720 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d56030c27/892f99e6a2a14daba9910eb8f0b98550 [2022-12-13 00:51:53,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 00:51:53,723 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 00:51:53,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 00:51:53,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 00:51:53,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 00:51:53,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:51:53" (1/1) ... [2022-12-13 00:51:53,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d116a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:53, skipping insertion in model container [2022-12-13 00:51:53,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:51:53" (1/1) ... [2022-12-13 00:51:53,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 00:51:53,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 00:51:53,878 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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-12-13 00:51:54,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,014 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,014 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,014 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 00:51:54,035 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 00:51:54,045 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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-12-13 00:51:54,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:51:54,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:51:54,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 00:51:54,117 INFO L208 MainTranslator]: Completed translation [2022-12-13 00:51:54,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54 WrapperNode [2022-12-13 00:51:54,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 00:51:54,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 00:51:54,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 00:51:54,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 00:51:54,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54" (1/1) ... [2022-12-13 00:51:54,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54" (1/1) ... [2022-12-13 00:51:54,166 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-12-13 00:51:54,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 00:51:54,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 00:51:54,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 00:51:54,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 00:51:54,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54" (1/1) ... [2022-12-13 00:51:54,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54" (1/1) ... [2022-12-13 00:51:54,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54" (1/1) ... [2022-12-13 00:51:54,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54" (1/1) ... [2022-12-13 00:51:54,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54" (1/1) ... [2022-12-13 00:51:54,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54" (1/1) ... [2022-12-13 00:51:54,194 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54" (1/1) ... [2022-12-13 00:51:54,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54" (1/1) ... [2022-12-13 00:51:54,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 00:51:54,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 00:51:54,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 00:51:54,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 00:51:54,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54" (1/1) ... [2022-12-13 00:51:54,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 00:51:54,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 00:51:54,234 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) [2022-12-13 00:51:54,248 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 [2022-12-13 00:51:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 00:51:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 00:51:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 00:51:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 00:51:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 00:51:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 00:51:54,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 00:51:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 00:51:54,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 00:51:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 00:51:54,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 00:51:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 00:51:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 00:51:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 00:51:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 00:51:54,273 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 00:51:54,356 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 00:51:54,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 00:51:54,487 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 00:51:54,492 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 00:51:54,492 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 00:51:54,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:51:54 BoogieIcfgContainer [2022-12-13 00:51:54,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 00:51:54,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 00:51:54,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 00:51:54,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 00:51:54,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:51:53" (1/3) ... [2022-12-13 00:51:54,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c9d4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:51:54, skipping insertion in model container [2022-12-13 00:51:54,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:54" (2/3) ... [2022-12-13 00:51:54,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c9d4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:51:54, skipping insertion in model container [2022-12-13 00:51:54,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:51:54" (3/3) ... [2022-12-13 00:51:54,502 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-12-13 00:51:54,515 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 00:51:54,515 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 00:51:54,515 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 00:51:54,556 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 00:51:54,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 84 transitions, 183 flow [2022-12-13 00:51:54,634 INFO L130 PetriNetUnfolder]: 2/81 cut-off events. [2022-12-13 00:51:54,635 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 00:51:54,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2022-12-13 00:51:54,638 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 84 transitions, 183 flow [2022-12-13 00:51:54,642 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 69 transitions, 147 flow [2022-12-13 00:51:54,643 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:51:54,666 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 69 transitions, 147 flow [2022-12-13 00:51:54,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 78 places, 69 transitions, 147 flow [2022-12-13 00:51:54,697 INFO L130 PetriNetUnfolder]: 1/69 cut-off events. [2022-12-13 00:51:54,697 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 00:51:54,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 1/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 34 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2022-12-13 00:51:54,699 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 69 transitions, 147 flow [2022-12-13 00:51:54,699 INFO L226 LiptonReduction]: Number of co-enabled transitions 974 [2022-12-13 00:51:56,576 INFO L241 LiptonReduction]: Total number of compositions: 53 [2022-12-13 00:51:56,601 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 00:51:56,605 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;@29d2bfe2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 00:51:56,606 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 00:51:56,609 INFO L130 PetriNetUnfolder]: 0/20 cut-off events. [2022-12-13 00:51:56,609 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 00:51:56,609 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:51:56,610 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:51:56,610 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 00:51:56,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:51:56,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1773352347, now seen corresponding path program 1 times [2022-12-13 00:51:56,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:51:56,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403277994] [2022-12-13 00:51:56,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:51:56,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:51:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:51:57,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 00:51:57,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:51:57,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403277994] [2022-12-13 00:51:57,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403277994] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:51:57,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:51:57,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 00:51:57,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947003032] [2022-12-13 00:51:57,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:51:57,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 00:51:57,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:51:57,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 00:51:57,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 00:51:57,064 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 26 [2022-12-13 00:51:57,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 26 transitions, 61 flow. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 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) [2022-12-13 00:51:57,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:51:57,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 26 [2022-12-13 00:51:57,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:51:57,230 INFO L130 PetriNetUnfolder]: 532/924 cut-off events. [2022-12-13 00:51:57,230 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-12-13 00:51:57,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1800 conditions, 924 events. 532/924 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4631 event pairs, 185 based on Foata normal form. 4/741 useless extension candidates. Maximal degree in co-relation 1789. Up to 792 conditions per place. [2022-12-13 00:51:57,240 INFO L137 encePairwiseOnDemand]: 21/26 looper letters, 25 selfloop transitions, 3 changer transitions 0/35 dead transitions. [2022-12-13 00:51:57,241 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 35 transitions, 141 flow [2022-12-13 00:51:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 00:51:57,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 00:51:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-13 00:51:57,253 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2022-12-13 00:51:57,255 INFO L175 Difference]: Start difference. First operand has 35 places, 26 transitions, 61 flow. Second operand 3 states and 52 transitions. [2022-12-13 00:51:57,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 35 transitions, 141 flow [2022-12-13 00:51:57,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 35 transitions, 136 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 00:51:57,260 INFO L231 Difference]: Finished difference. Result has 35 places, 27 transitions, 75 flow [2022-12-13 00:51:57,261 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=75, PETRI_PLACES=35, PETRI_TRANSITIONS=27} [2022-12-13 00:51:57,265 INFO L295 CegarLoopForPetriNet]: 35 programPoint places, 0 predicate places. [2022-12-13 00:51:57,265 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:51:57,266 INFO L89 Accepts]: Start accepts. Operand has 35 places, 27 transitions, 75 flow [2022-12-13 00:51:57,268 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:51:57,269 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:51:57,269 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 27 transitions, 75 flow [2022-12-13 00:51:57,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 27 transitions, 75 flow [2022-12-13 00:51:57,274 INFO L130 PetriNetUnfolder]: 3/39 cut-off events. [2022-12-13 00:51:57,274 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 00:51:57,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 39 events. 3/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 90 event pairs, 1 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 52. Up to 10 conditions per place. [2022-12-13 00:51:57,277 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 27 transitions, 75 flow [2022-12-13 00:51:57,278 INFO L226 LiptonReduction]: Number of co-enabled transitions 346 [2022-12-13 00:51:57,349 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 00:51:57,351 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 86 [2022-12-13 00:51:57,351 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 27 transitions, 75 flow [2022-12-13 00:51:57,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 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) [2022-12-13 00:51:57,352 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:51:57,352 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:51:57,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 00:51:57,352 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 00:51:57,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:51:57,353 INFO L85 PathProgramCache]: Analyzing trace with hash 860651159, now seen corresponding path program 1 times [2022-12-13 00:51:57,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:51:57,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209685077] [2022-12-13 00:51:57,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:51:57,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:51:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:51:57,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 00:51:57,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:51:57,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209685077] [2022-12-13 00:51:57,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209685077] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:51:57,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:51:57,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 00:51:57,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625669163] [2022-12-13 00:51:57,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:51:57,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 00:51:57,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:51:57,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 00:51:57,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 00:51:57,468 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 25 [2022-12-13 00:51:57,468 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 27 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-12-13 00:51:57,468 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:51:57,469 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 25 [2022-12-13 00:51:57,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:51:57,556 INFO L130 PetriNetUnfolder]: 383/693 cut-off events. [2022-12-13 00:51:57,557 INFO L131 PetriNetUnfolder]: For 81/81 co-relation queries the response was YES. [2022-12-13 00:51:57,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1500 conditions, 693 events. 383/693 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3586 event pairs, 119 based on Foata normal form. 12/550 useless extension candidates. Maximal degree in co-relation 1489. Up to 441 conditions per place. [2022-12-13 00:51:57,567 INFO L137 encePairwiseOnDemand]: 22/25 looper letters, 22 selfloop transitions, 3 changer transitions 0/33 dead transitions. [2022-12-13 00:51:57,567 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 33 transitions, 137 flow [2022-12-13 00:51:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 00:51:57,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 00:51:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2022-12-13 00:51:57,569 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6533333333333333 [2022-12-13 00:51:57,569 INFO L175 Difference]: Start difference. First operand has 35 places, 27 transitions, 75 flow. Second operand 3 states and 49 transitions. [2022-12-13 00:51:57,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 33 transitions, 137 flow [2022-12-13 00:51:57,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 33 transitions, 134 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 00:51:57,571 INFO L231 Difference]: Finished difference. Result has 37 places, 27 transitions, 83 flow [2022-12-13 00:51:57,572 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=83, PETRI_PLACES=37, PETRI_TRANSITIONS=27} [2022-12-13 00:51:57,572 INFO L295 CegarLoopForPetriNet]: 35 programPoint places, 2 predicate places. [2022-12-13 00:51:57,572 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:51:57,572 INFO L89 Accepts]: Start accepts. Operand has 37 places, 27 transitions, 83 flow [2022-12-13 00:51:57,573 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:51:57,573 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:51:57,573 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 27 transitions, 83 flow [2022-12-13 00:51:57,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 27 transitions, 83 flow [2022-12-13 00:51:57,577 INFO L130 PetriNetUnfolder]: 2/33 cut-off events. [2022-12-13 00:51:57,577 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 00:51:57,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 33 events. 2/33 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 81 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 48. Up to 8 conditions per place. [2022-12-13 00:51:57,578 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 27 transitions, 83 flow [2022-12-13 00:51:57,579 INFO L226 LiptonReduction]: Number of co-enabled transitions 344 [2022-12-13 00:51:57,586 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 00:51:57,587 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 15 [2022-12-13 00:51:57,588 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 27 transitions, 83 flow [2022-12-13 00:51:57,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-12-13 00:51:57,589 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:51:57,589 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:51:57,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 00:51:57,589 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 00:51:57,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:51:57,591 INFO L85 PathProgramCache]: Analyzing trace with hash 860651872, now seen corresponding path program 1 times [2022-12-13 00:51:57,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:51:57,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068673010] [2022-12-13 00:51:57,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:51:57,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:51:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:51:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 00:51:57,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:51:57,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068673010] [2022-12-13 00:51:57,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068673010] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:51:57,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:51:57,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 00:51:57,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111007751] [2022-12-13 00:51:57,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:51:57,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 00:51:57,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:51:57,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 00:51:57,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 00:51:57,755 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 25 [2022-12-13 00:51:57,755 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 27 transitions, 83 flow. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-12-13 00:51:57,755 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:51:57,755 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 25 [2022-12-13 00:51:57,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:51:57,965 INFO L130 PetriNetUnfolder]: 677/1172 cut-off events. [2022-12-13 00:51:57,965 INFO L131 PetriNetUnfolder]: For 442/442 co-relation queries the response was YES. [2022-12-13 00:51:57,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2593 conditions, 1172 events. 677/1172 cut-off events. For 442/442 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 6364 event pairs, 179 based on Foata normal form. 60/958 useless extension candidates. Maximal degree in co-relation 2580. Up to 613 conditions per place. [2022-12-13 00:51:57,971 INFO L137 encePairwiseOnDemand]: 19/25 looper letters, 40 selfloop transitions, 11 changer transitions 4/62 dead transitions. [2022-12-13 00:51:57,972 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 62 transitions, 291 flow [2022-12-13 00:51:57,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 00:51:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 00:51:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 90 transitions. [2022-12-13 00:51:57,973 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.72 [2022-12-13 00:51:57,973 INFO L175 Difference]: Start difference. First operand has 37 places, 27 transitions, 83 flow. Second operand 5 states and 90 transitions. [2022-12-13 00:51:57,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 62 transitions, 291 flow [2022-12-13 00:51:57,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 62 transitions, 281 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 00:51:57,976 INFO L231 Difference]: Finished difference. Result has 42 places, 35 transitions, 157 flow [2022-12-13 00:51:57,976 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=157, PETRI_PLACES=42, PETRI_TRANSITIONS=35} [2022-12-13 00:51:57,976 INFO L295 CegarLoopForPetriNet]: 35 programPoint places, 7 predicate places. [2022-12-13 00:51:57,977 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:51:57,977 INFO L89 Accepts]: Start accepts. Operand has 42 places, 35 transitions, 157 flow [2022-12-13 00:51:57,977 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:51:57,978 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:51:57,978 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 35 transitions, 157 flow [2022-12-13 00:51:57,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 35 transitions, 157 flow [2022-12-13 00:51:57,986 INFO L130 PetriNetUnfolder]: 10/88 cut-off events. [2022-12-13 00:51:57,986 INFO L131 PetriNetUnfolder]: For 45/54 co-relation queries the response was YES. [2022-12-13 00:51:57,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 88 events. 10/88 cut-off events. For 45/54 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 463 event pairs, 1 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 176. Up to 19 conditions per place. [2022-12-13 00:51:57,987 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 35 transitions, 157 flow [2022-12-13 00:51:57,987 INFO L226 LiptonReduction]: Number of co-enabled transitions 430 [2022-12-13 00:51:57,989 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 00:51:57,990 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 13 [2022-12-13 00:51:57,990 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 35 transitions, 157 flow [2022-12-13 00:51:57,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-12-13 00:51:57,990 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:51:57,991 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:51:57,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 00:51:57,991 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 00:51:57,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:51:57,991 INFO L85 PathProgramCache]: Analyzing trace with hash 910425179, now seen corresponding path program 1 times [2022-12-13 00:51:57,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:51:57,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116157267] [2022-12-13 00:51:57,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:51:57,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:51:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:51:58,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 00:51:58,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:51:58,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116157267] [2022-12-13 00:51:58,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116157267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:51:58,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:51:58,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 00:51:58,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51521181] [2022-12-13 00:51:58,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:51:58,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 00:51:58,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:51:58,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 00:51:58,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 00:51:58,173 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 25 [2022-12-13 00:51:58,174 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 35 transitions, 157 flow. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 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) [2022-12-13 00:51:58,174 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:51:58,174 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 25 [2022-12-13 00:51:58,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:51:58,381 INFO L130 PetriNetUnfolder]: 656/1174 cut-off events. [2022-12-13 00:51:58,381 INFO L131 PetriNetUnfolder]: For 933/933 co-relation queries the response was YES. [2022-12-13 00:51:58,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3081 conditions, 1174 events. 656/1174 cut-off events. For 933/933 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 6744 event pairs, 387 based on Foata normal form. 9/917 useless extension candidates. Maximal degree in co-relation 3065. Up to 915 conditions per place. [2022-12-13 00:51:58,390 INFO L137 encePairwiseOnDemand]: 22/25 looper letters, 32 selfloop transitions, 6 changer transitions 0/45 dead transitions. [2022-12-13 00:51:58,390 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 45 transitions, 261 flow [2022-12-13 00:51:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 00:51:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 00:51:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2022-12-13 00:51:58,392 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.68 [2022-12-13 00:51:58,392 INFO L175 Difference]: Start difference. First operand has 42 places, 35 transitions, 157 flow. Second operand 3 states and 51 transitions. [2022-12-13 00:51:58,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 45 transitions, 261 flow [2022-12-13 00:51:58,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 45 transitions, 261 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 00:51:58,395 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 177 flow [2022-12-13 00:51:58,395 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=177, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2022-12-13 00:51:58,396 INFO L295 CegarLoopForPetriNet]: 35 programPoint places, 10 predicate places. [2022-12-13 00:51:58,396 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:51:58,396 INFO L89 Accepts]: Start accepts. Operand has 45 places, 35 transitions, 177 flow [2022-12-13 00:51:58,397 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:51:58,397 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:51:58,397 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 35 transitions, 177 flow [2022-12-13 00:51:58,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 35 transitions, 177 flow [2022-12-13 00:51:58,405 INFO L130 PetriNetUnfolder]: 9/85 cut-off events. [2022-12-13 00:51:58,405 INFO L131 PetriNetUnfolder]: For 69/74 co-relation queries the response was YES. [2022-12-13 00:51:58,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 85 events. 9/85 cut-off events. For 69/74 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 424 event pairs, 1 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 180. Up to 17 conditions per place. [2022-12-13 00:51:58,406 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 35 transitions, 177 flow [2022-12-13 00:51:58,406 INFO L226 LiptonReduction]: Number of co-enabled transitions 428 [2022-12-13 00:51:58,408 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 00:51:58,409 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 13 [2022-12-13 00:51:58,409 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 177 flow [2022-12-13 00:51:58,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 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) [2022-12-13 00:51:58,409 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:51:58,410 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:51:58,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 00:51:58,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 00:51:58,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:51:58,410 INFO L85 PathProgramCache]: Analyzing trace with hash 910403324, now seen corresponding path program 1 times [2022-12-13 00:51:58,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:51:58,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097264268] [2022-12-13 00:51:58,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:51:58,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:51:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:51:58,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 00:51:58,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:51:58,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097264268] [2022-12-13 00:51:58,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097264268] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:51:58,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:51:58,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 00:51:58,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355419130] [2022-12-13 00:51:58,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:51:58,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 00:51:58,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:51:58,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 00:51:58,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 00:51:58,528 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 25 [2022-12-13 00:51:58,528 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 177 flow. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2022-12-13 00:51:58,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:51:58,528 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 25 [2022-12-13 00:51:58,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:51:58,693 INFO L130 PetriNetUnfolder]: 741/1351 cut-off events. [2022-12-13 00:51:58,693 INFO L131 PetriNetUnfolder]: For 1629/1629 co-relation queries the response was YES. [2022-12-13 00:51:58,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3520 conditions, 1351 events. 741/1351 cut-off events. For 1629/1629 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 8324 event pairs, 123 based on Foata normal form. 48/1074 useless extension candidates. Maximal degree in co-relation 3501. Up to 630 conditions per place. [2022-12-13 00:51:58,700 INFO L137 encePairwiseOnDemand]: 21/25 looper letters, 29 selfloop transitions, 5 changer transitions 10/51 dead transitions. [2022-12-13 00:51:58,700 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 51 transitions, 307 flow [2022-12-13 00:51:58,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 00:51:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 00:51:58,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2022-12-13 00:51:58,703 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.67 [2022-12-13 00:51:58,703 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 177 flow. Second operand 4 states and 67 transitions. [2022-12-13 00:51:58,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 51 transitions, 307 flow [2022-12-13 00:51:58,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 51 transitions, 293 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-13 00:51:58,709 INFO L231 Difference]: Finished difference. Result has 48 places, 29 transitions, 142 flow [2022-12-13 00:51:58,709 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=142, PETRI_PLACES=48, PETRI_TRANSITIONS=29} [2022-12-13 00:51:58,712 INFO L295 CegarLoopForPetriNet]: 35 programPoint places, 13 predicate places. [2022-12-13 00:51:58,713 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:51:58,714 INFO L89 Accepts]: Start accepts. Operand has 48 places, 29 transitions, 142 flow [2022-12-13 00:51:58,715 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:51:58,715 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:51:58,715 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 29 transitions, 142 flow [2022-12-13 00:51:58,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 29 transitions, 142 flow [2022-12-13 00:51:58,719 INFO L130 PetriNetUnfolder]: 3/41 cut-off events. [2022-12-13 00:51:58,719 INFO L131 PetriNetUnfolder]: For 41/47 co-relation queries the response was YES. [2022-12-13 00:51:58,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 41 events. 3/41 cut-off events. For 41/47 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 113 event pairs, 1 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 91. Up to 8 conditions per place. [2022-12-13 00:51:58,719 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 29 transitions, 142 flow [2022-12-13 00:51:58,719 INFO L226 LiptonReduction]: Number of co-enabled transitions 322 [2022-12-13 00:51:58,725 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 00:51:58,729 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 15 [2022-12-13 00:51:58,729 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 29 transitions, 142 flow [2022-12-13 00:51:58,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2022-12-13 00:51:58,729 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:51:58,729 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:51:58,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 00:51:58,729 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 00:51:58,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:51:58,729 INFO L85 PathProgramCache]: Analyzing trace with hash -45394435, now seen corresponding path program 1 times [2022-12-13 00:51:58,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:51:58,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622246506] [2022-12-13 00:51:58,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:51:58,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:51:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:51:58,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 00:51:58,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:51:58,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622246506] [2022-12-13 00:51:58,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622246506] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:51:58,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:51:58,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 00:51:58,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365154078] [2022-12-13 00:51:58,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:51:58,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 00:51:58,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:51:58,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 00:51:58,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 00:51:58,839 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 25 [2022-12-13 00:51:58,839 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 29 transitions, 142 flow. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2022-12-13 00:51:58,839 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:51:58,840 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 25 [2022-12-13 00:51:58,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:51:58,923 INFO L130 PetriNetUnfolder]: 538/940 cut-off events. [2022-12-13 00:51:58,923 INFO L131 PetriNetUnfolder]: For 2425/2425 co-relation queries the response was YES. [2022-12-13 00:51:58,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2634 conditions, 940 events. 538/940 cut-off events. For 2425/2425 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4322 event pairs, 181 based on Foata normal form. 48/757 useless extension candidates. Maximal degree in co-relation 2613. Up to 316 conditions per place. [2022-12-13 00:51:58,928 INFO L137 encePairwiseOnDemand]: 21/25 looper letters, 24 selfloop transitions, 3 changer transitions 12/44 dead transitions. [2022-12-13 00:51:58,928 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 44 transitions, 261 flow [2022-12-13 00:51:58,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 00:51:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 00:51:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 60 transitions. [2022-12-13 00:51:58,929 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6 [2022-12-13 00:51:58,929 INFO L175 Difference]: Start difference. First operand has 48 places, 29 transitions, 142 flow. Second operand 4 states and 60 transitions. [2022-12-13 00:51:58,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 44 transitions, 261 flow [2022-12-13 00:51:58,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 44 transitions, 236 flow, removed 3 selfloop flow, removed 6 redundant places. [2022-12-13 00:51:58,932 INFO L231 Difference]: Finished difference. Result has 47 places, 24 transitions, 104 flow [2022-12-13 00:51:58,932 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=104, PETRI_PLACES=47, PETRI_TRANSITIONS=24} [2022-12-13 00:51:58,933 INFO L295 CegarLoopForPetriNet]: 35 programPoint places, 12 predicate places. [2022-12-13 00:51:58,933 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:51:58,933 INFO L89 Accepts]: Start accepts. Operand has 47 places, 24 transitions, 104 flow [2022-12-13 00:51:58,933 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:51:58,933 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:51:58,934 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 24 transitions, 104 flow [2022-12-13 00:51:58,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 24 transitions, 104 flow [2022-12-13 00:51:58,937 INFO L130 PetriNetUnfolder]: 1/26 cut-off events. [2022-12-13 00:51:58,937 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-12-13 00:51:58,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 26 events. 1/26 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 39 event pairs, 1 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2022-12-13 00:51:58,937 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 24 transitions, 104 flow [2022-12-13 00:51:58,937 INFO L226 LiptonReduction]: Number of co-enabled transitions 192 [2022-12-13 00:51:58,989 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 00:51:58,990 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 57 [2022-12-13 00:51:58,990 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 23 transitions, 102 flow [2022-12-13 00:51:58,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2022-12-13 00:51:58,990 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:51:58,990 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:51:58,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 00:51:58,990 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 00:51:58,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:51:58,991 INFO L85 PathProgramCache]: Analyzing trace with hash -141395808, now seen corresponding path program 1 times [2022-12-13 00:51:58,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:51:58,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668470859] [2022-12-13 00:51:58,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:51:58,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:51:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:51:59,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 00:51:59,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:51:59,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668470859] [2022-12-13 00:51:59,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668470859] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:51:59,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:51:59,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 00:51:59,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578572680] [2022-12-13 00:51:59,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:51:59,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 00:51:59,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:51:59,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 00:51:59,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 00:51:59,067 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 23 [2022-12-13 00:51:59,067 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 23 transitions, 102 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) [2022-12-13 00:51:59,067 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:51:59,067 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 23 [2022-12-13 00:51:59,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:51:59,136 INFO L130 PetriNetUnfolder]: 437/698 cut-off events. [2022-12-13 00:51:59,136 INFO L131 PetriNetUnfolder]: For 2333/2363 co-relation queries the response was YES. [2022-12-13 00:51:59,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2188 conditions, 698 events. 437/698 cut-off events. For 2333/2363 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 3109 event pairs, 215 based on Foata normal form. 4/372 useless extension candidates. Maximal degree in co-relation 2169. Up to 667 conditions per place. [2022-12-13 00:51:59,141 INFO L137 encePairwiseOnDemand]: 12/23 looper letters, 23 selfloop transitions, 10 changer transitions 0/36 dead transitions. [2022-12-13 00:51:59,141 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 36 transitions, 214 flow [2022-12-13 00:51:59,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 00:51:59,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 00:51:59,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-12-13 00:51:59,144 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6231884057971014 [2022-12-13 00:51:59,144 INFO L175 Difference]: Start difference. First operand has 44 places, 23 transitions, 102 flow. Second operand 3 states and 43 transitions. [2022-12-13 00:51:59,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 36 transitions, 214 flow [2022-12-13 00:51:59,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 36 transitions, 171 flow, removed 8 selfloop flow, removed 9 redundant places. [2022-12-13 00:51:59,171 INFO L231 Difference]: Finished difference. Result has 38 places, 32 transitions, 140 flow [2022-12-13 00:51:59,172 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=38, PETRI_TRANSITIONS=32} [2022-12-13 00:51:59,172 INFO L295 CegarLoopForPetriNet]: 35 programPoint places, 3 predicate places. [2022-12-13 00:51:59,172 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:51:59,172 INFO L89 Accepts]: Start accepts. Operand has 38 places, 32 transitions, 140 flow [2022-12-13 00:51:59,173 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:51:59,173 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:51:59,174 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 32 transitions, 140 flow [2022-12-13 00:51:59,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 32 transitions, 140 flow [2022-12-13 00:51:59,207 INFO L130 PetriNetUnfolder]: 267/483 cut-off events. [2022-12-13 00:51:59,207 INFO L131 PetriNetUnfolder]: For 160/178 co-relation queries the response was YES. [2022-12-13 00:51:59,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1100 conditions, 483 events. 267/483 cut-off events. For 160/178 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 2671 event pairs, 132 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 1089. Up to 406 conditions per place. [2022-12-13 00:51:59,210 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 32 transitions, 140 flow [2022-12-13 00:51:59,212 INFO L226 LiptonReduction]: Number of co-enabled transitions 144 [2022-12-13 00:51:59,347 INFO L241 LiptonReduction]: Total number of compositions: 2 [2022-12-13 00:51:59,348 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 176 [2022-12-13 00:51:59,349 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 161 flow [2022-12-13 00:51:59,349 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) [2022-12-13 00:51:59,349 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:51:59,349 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:51:59,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 00:51:59,349 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 00:51:59,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:51:59,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1499401, now seen corresponding path program 1 times [2022-12-13 00:51:59,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:51:59,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312621893] [2022-12-13 00:51:59,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:51:59,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:51:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:51:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 00:51:59,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:51:59,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312621893] [2022-12-13 00:51:59,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312621893] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:51:59,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:51:59,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 00:51:59,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373490799] [2022-12-13 00:51:59,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:51:59,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 00:51:59,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:51:59,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 00:51:59,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 00:51:59,446 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 29 [2022-12-13 00:51:59,447 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 161 flow. Second operand has 4 states, 4 states have (on average 5.75) 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) [2022-12-13 00:51:59,447 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:51:59,447 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 29 [2022-12-13 00:51:59,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:51:59,517 INFO L130 PetriNetUnfolder]: 290/521 cut-off events. [2022-12-13 00:51:59,517 INFO L131 PetriNetUnfolder]: For 377/440 co-relation queries the response was YES. [2022-12-13 00:51:59,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1740 conditions, 521 events. 290/521 cut-off events. For 377/440 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 2550 event pairs, 65 based on Foata normal form. 19/301 useless extension candidates. Maximal degree in co-relation 1726. Up to 460 conditions per place. [2022-12-13 00:51:59,520 INFO L137 encePairwiseOnDemand]: 12/29 looper letters, 24 selfloop transitions, 19 changer transitions 0/46 dead transitions. [2022-12-13 00:51:59,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 46 transitions, 302 flow [2022-12-13 00:51:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 00:51:59,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 00:51:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 56 transitions. [2022-12-13 00:51:59,521 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.4827586206896552 [2022-12-13 00:51:59,521 INFO L175 Difference]: Start difference. First operand has 38 places, 32 transitions, 161 flow. Second operand 4 states and 56 transitions. [2022-12-13 00:51:59,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 46 transitions, 302 flow [2022-12-13 00:51:59,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 46 transitions, 292 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 00:51:59,523 INFO L231 Difference]: Finished difference. Result has 41 places, 41 transitions, 263 flow [2022-12-13 00:51:59,523 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=263, PETRI_PLACES=41, PETRI_TRANSITIONS=41} [2022-12-13 00:51:59,525 INFO L295 CegarLoopForPetriNet]: 35 programPoint places, 6 predicate places. [2022-12-13 00:51:59,526 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:51:59,526 INFO L89 Accepts]: Start accepts. Operand has 41 places, 41 transitions, 263 flow [2022-12-13 00:51:59,526 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:51:59,526 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:51:59,526 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 41 transitions, 263 flow [2022-12-13 00:51:59,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 41 transitions, 263 flow [2022-12-13 00:51:59,546 INFO L130 PetriNetUnfolder]: 198/399 cut-off events. [2022-12-13 00:51:59,547 INFO L131 PetriNetUnfolder]: For 257/323 co-relation queries the response was YES. [2022-12-13 00:51:59,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1321 conditions, 399 events. 198/399 cut-off events. For 257/323 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 2231 event pairs, 36 based on Foata normal form. 2/213 useless extension candidates. Maximal degree in co-relation 1308. Up to 307 conditions per place. [2022-12-13 00:51:59,549 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 41 transitions, 263 flow [2022-12-13 00:51:59,549 INFO L226 LiptonReduction]: Number of co-enabled transitions 122 [2022-12-13 00:51:59,783 INFO L241 LiptonReduction]: Total number of compositions: 3 [2022-12-13 00:51:59,784 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 258 [2022-12-13 00:51:59,784 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 41 transitions, 290 flow [2022-12-13 00:51:59,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) 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) [2022-12-13 00:51:59,784 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:51:59,784 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:51:59,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 00:51:59,785 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 00:51:59,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:51:59,785 INFO L85 PathProgramCache]: Analyzing trace with hash -767845491, now seen corresponding path program 1 times [2022-12-13 00:51:59,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:51:59,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655669389] [2022-12-13 00:51:59,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:51:59,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:51:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:51:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 00:51:59,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:51:59,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655669389] [2022-12-13 00:51:59,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655669389] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:51:59,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:51:59,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 00:51:59,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065868642] [2022-12-13 00:51:59,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:51:59,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 00:51:59,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:51:59,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 00:51:59,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 00:51:59,919 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 35 [2022-12-13 00:51:59,919 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 41 transitions, 290 flow. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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) [2022-12-13 00:51:59,919 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:51:59,919 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 35 [2022-12-13 00:51:59,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:52:00,031 INFO L130 PetriNetUnfolder]: 107/269 cut-off events. [2022-12-13 00:52:00,032 INFO L131 PetriNetUnfolder]: For 225/279 co-relation queries the response was YES. [2022-12-13 00:52:00,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1208 conditions, 269 events. 107/269 cut-off events. For 225/279 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1341 event pairs, 2 based on Foata normal form. 39/190 useless extension candidates. Maximal degree in co-relation 1192. Up to 196 conditions per place. [2022-12-13 00:52:00,034 INFO L137 encePairwiseOnDemand]: 12/35 looper letters, 14 selfloop transitions, 28 changer transitions 1/46 dead transitions. [2022-12-13 00:52:00,034 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 46 transitions, 395 flow [2022-12-13 00:52:00,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 00:52:00,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 00:52:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2022-12-13 00:52:00,036 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.33714285714285713 [2022-12-13 00:52:00,036 INFO L175 Difference]: Start difference. First operand has 41 places, 41 transitions, 290 flow. Second operand 5 states and 59 transitions. [2022-12-13 00:52:00,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 46 transitions, 395 flow [2022-12-13 00:52:00,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 46 transitions, 302 flow, removed 26 selfloop flow, removed 5 redundant places. [2022-12-13 00:52:00,050 INFO L231 Difference]: Finished difference. Result has 41 places, 41 transitions, 276 flow [2022-12-13 00:52:00,050 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=276, PETRI_PLACES=41, PETRI_TRANSITIONS=41} [2022-12-13 00:52:00,051 INFO L295 CegarLoopForPetriNet]: 35 programPoint places, 6 predicate places. [2022-12-13 00:52:00,051 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:52:00,051 INFO L89 Accepts]: Start accepts. Operand has 41 places, 41 transitions, 276 flow [2022-12-13 00:52:00,052 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:52:00,052 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:52:00,053 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 41 transitions, 276 flow [2022-12-13 00:52:00,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 41 transitions, 276 flow [2022-12-13 00:52:00,067 INFO L130 PetriNetUnfolder]: 81/225 cut-off events. [2022-12-13 00:52:00,071 INFO L131 PetriNetUnfolder]: For 100/124 co-relation queries the response was YES. [2022-12-13 00:52:00,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 225 events. 81/225 cut-off events. For 100/124 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1156 event pairs, 0 based on Foata normal form. 1/121 useless extension candidates. Maximal degree in co-relation 778. Up to 163 conditions per place. [2022-12-13 00:52:00,073 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 41 transitions, 276 flow [2022-12-13 00:52:00,073 INFO L226 LiptonReduction]: Number of co-enabled transitions 86 [2022-12-13 00:52:00,371 INFO L241 LiptonReduction]: Total number of compositions: 3 [2022-12-13 00:52:00,372 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 321 [2022-12-13 00:52:00,372 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 38 transitions, 275 flow [2022-12-13 00:52:00,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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) [2022-12-13 00:52:00,372 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:52:00,372 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:52:00,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 00:52:00,372 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-13 00:52:00,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:52:00,373 INFO L85 PathProgramCache]: Analyzing trace with hash -140783465, now seen corresponding path program 1 times [2022-12-13 00:52:00,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:52:00,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205952384] [2022-12-13 00:52:00,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:52:00,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:52:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:52:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 00:52:00,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:52:00,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205952384] [2022-12-13 00:52:00,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205952384] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:52:00,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:52:00,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 00:52:00,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893807665] [2022-12-13 00:52:00,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:52:00,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 00:52:00,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:52:00,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 00:52:00,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 00:52:00,464 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 32 [2022-12-13 00:52:00,464 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 38 transitions, 275 flow. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 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) [2022-12-13 00:52:00,464 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:52:00,464 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 32 [2022-12-13 00:52:00,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:52:00,542 INFO L130 PetriNetUnfolder]: 89/173 cut-off events. [2022-12-13 00:52:00,542 INFO L131 PetriNetUnfolder]: For 165/165 co-relation queries the response was YES. [2022-12-13 00:52:00,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 832 conditions, 173 events. 89/173 cut-off events. For 165/165 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 649 event pairs, 0 based on Foata normal form. 27/130 useless extension candidates. Maximal degree in co-relation 818. Up to 136 conditions per place. [2022-12-13 00:52:00,543 INFO L137 encePairwiseOnDemand]: 13/32 looper letters, 0 selfloop transitions, 0 changer transitions 43/43 dead transitions. [2022-12-13 00:52:00,543 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 43 transitions, 375 flow [2022-12-13 00:52:00,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 00:52:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 00:52:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2022-12-13 00:52:00,544 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3375 [2022-12-13 00:52:00,544 INFO L175 Difference]: Start difference. First operand has 38 places, 38 transitions, 275 flow. Second operand 5 states and 54 transitions. [2022-12-13 00:52:00,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 43 transitions, 375 flow [2022-12-13 00:52:00,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 43 transitions, 265 flow, removed 18 selfloop flow, removed 5 redundant places. [2022-12-13 00:52:00,546 INFO L231 Difference]: Finished difference. Result has 36 places, 0 transitions, 0 flow [2022-12-13 00:52:00,547 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=36, PETRI_TRANSITIONS=0} [2022-12-13 00:52:00,548 INFO L295 CegarLoopForPetriNet]: 35 programPoint places, 1 predicate places. [2022-12-13 00:52:00,548 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:52:00,548 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 0 transitions, 0 flow [2022-12-13 00:52:00,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-13 00:52:00,549 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 00:52:00,549 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 00:52:00,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-13 00:52:00,549 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 00:52:00,549 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 00:52:00,549 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 00:52:00,550 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-13 00:52:00,550 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 00:52:00,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 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) [2022-12-13 00:52:00,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-13 00:52:00,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-13 00:52:00,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-13 00:52:00,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-13 00:52:00,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 00:52:00,553 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:52:00,555 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 00:52:00,556 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 00:52:00,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:52:00 BasicIcfg [2022-12-13 00:52:00,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 00:52:00,559 INFO L158 Benchmark]: Toolchain (without parser) took 6836.17ms. Allocated memory was 211.8MB in the beginning and 395.3MB in the end (delta: 183.5MB). Free memory was 187.0MB in the beginning and 363.8MB in the end (delta: -176.8MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2022-12-13 00:52:00,559 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 211.8MB. Free memory is still 188.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 00:52:00,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.77ms. Allocated memory is still 211.8MB. Free memory was 187.0MB in the beginning and 163.8MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-12-13 00:52:00,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.27ms. Allocated memory is still 211.8MB. Free memory was 163.8MB in the beginning and 161.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 00:52:00,560 INFO L158 Benchmark]: Boogie Preprocessor took 29.72ms. Allocated memory is still 211.8MB. Free memory was 161.7MB in the beginning and 160.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 00:52:00,560 INFO L158 Benchmark]: RCFGBuilder took 297.32ms. Allocated memory is still 211.8MB. Free memory was 160.1MB in the beginning and 146.5MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-13 00:52:00,560 INFO L158 Benchmark]: TraceAbstraction took 6062.96ms. Allocated memory was 211.8MB in the beginning and 395.3MB in the end (delta: 183.5MB). Free memory was 145.4MB in the beginning and 363.8MB in the end (delta: -218.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 00:52:00,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 211.8MB. Free memory is still 188.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 393.77ms. Allocated memory is still 211.8MB. Free memory was 187.0MB in the beginning and 163.8MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.27ms. Allocated memory is still 211.8MB. Free memory was 163.8MB in the beginning and 161.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.72ms. Allocated memory is still 211.8MB. Free memory was 161.7MB in the beginning and 160.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 297.32ms. Allocated memory is still 211.8MB. Free memory was 160.1MB in the beginning and 146.5MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 6062.96ms. Allocated memory was 211.8MB in the beginning and 395.3MB in the end (delta: 183.5MB). Free memory was 145.4MB in the beginning and 363.8MB in the end (delta: -218.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 78 PlacesBefore, 35 PlacesAfterwards, 69 TransitionsBefore, 26 TransitionsAfterwards, 974 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 32 ConcurrentYvCompositions, 0 ChoiceCompositions, 53 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1170, independent: 1112, independent conditional: 1112, independent unconditional: 0, dependent: 58, dependent conditional: 58, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1170, independent: 1112, independent conditional: 0, independent unconditional: 1112, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1170, independent: 1112, independent conditional: 0, independent unconditional: 1112, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1170, independent: 1112, independent conditional: 0, independent unconditional: 1112, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 813, independent: 777, independent conditional: 0, independent unconditional: 777, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 813, independent: 754, independent conditional: 0, independent unconditional: 754, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1170, independent: 335, independent conditional: 0, independent unconditional: 335, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 813, unknown conditional: 0, unknown unconditional: 813] , Statistics on independence cache: Total cache size (in pairs): 1215, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 35 PlacesBefore, 35 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 346 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 139, independent: 118, independent conditional: 118, independent unconditional: 0, dependent: 21, dependent conditional: 21, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 139, independent: 118, independent conditional: 7, independent unconditional: 111, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 139, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 139, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 108, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 108, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 139, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 108, unknown conditional: 0, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 37 PlacesBefore, 37 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 344 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 173, independent: 151, independent conditional: 151, 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: 173, independent: 151, independent conditional: 7, independent unconditional: 144, 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: 173, independent: 151, independent conditional: 0, independent unconditional: 151, 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: 173, independent: 151, independent conditional: 0, independent unconditional: 151, 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: 24, independent: 23, independent conditional: 0, independent unconditional: 23, 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: 24, independent: 23, independent conditional: 0, independent unconditional: 23, 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: 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] ], Cache Queries: [ total: 173, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 119, Positive conditional cache size: 0, Positive unconditional cache size: 119, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 42 PlacesBefore, 42 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 135, independent: 126, independent conditional: 126, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 135, independent: 126, independent conditional: 38, independent unconditional: 88, dependent: 9, dependent conditional: 5, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 135, independent: 126, independent conditional: 9, independent unconditional: 117, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 135, independent: 126, independent conditional: 9, independent unconditional: 117, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, independent: 5, independent conditional: 0, independent unconditional: 5, 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: 5, independent: 5, independent conditional: 0, independent unconditional: 5, 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: 135, independent: 121, independent conditional: 9, independent unconditional: 112, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 137, Positive cache size: 124, Positive conditional cache size: 0, Positive unconditional cache size: 124, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, 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, 45 PlacesBefore, 45 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 123, independent: 114, independent conditional: 114, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 123, independent: 114, independent conditional: 26, independent unconditional: 88, dependent: 9, dependent conditional: 5, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 128, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 128, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 137, Positive cache size: 124, Positive conditional cache size: 0, Positive unconditional cache size: 124, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 36, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 48 PlacesBefore, 48 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 322 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58, independent: 48, independent conditional: 48, 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: 58, independent: 48, independent conditional: 1, independent unconditional: 47, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 60, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 60, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 125, Positive conditional cache size: 0, Positive unconditional cache size: 125, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 45 PlacesBefore, 44 PlacesAfterwards, 24 TransitionsBefore, 23 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 175, independent: 155, independent conditional: 155, independent unconditional: 0, dependent: 20, dependent conditional: 20, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 175, independent: 155, independent conditional: 13, independent unconditional: 142, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 175, independent: 155, independent conditional: 0, independent unconditional: 155, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, independent: 155, independent conditional: 0, independent unconditional: 155, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, independent: 17, independent conditional: 0, independent unconditional: 17, 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: 17, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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.Query Time [ms]: [ total: 15, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 175, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 147, Positive conditional cache size: 0, Positive unconditional cache size: 147, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 38 PlacesBefore, 38 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, independent: 60, independent conditional: 60, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 60, independent: 60, independent conditional: 39, independent unconditional: 21, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 60, independent: 60, independent conditional: 39, independent unconditional: 21, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 60, independent: 60, independent conditional: 39, independent unconditional: 21, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 3, 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: 4, independent: 4, independent conditional: 0, independent unconditional: 4, 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: 60, independent: 56, independent conditional: 36, independent unconditional: 20, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4, unknown conditional: 3, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 211, Positive conditional cache size: 3, Positive unconditional cache size: 208, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 41 PlacesBefore, 41 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 122 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, independent: 51, independent conditional: 51, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 51, independent: 51, independent conditional: 48, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 51, independent: 51, independent conditional: 27, independent unconditional: 24, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 51, independent: 51, independent conditional: 27, independent unconditional: 24, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 51, independent: 50, independent conditional: 27, independent unconditional: 23, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 281, Positive cache size: 266, Positive conditional cache size: 3, Positive unconditional cache size: 263, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 41 PlacesBefore, 38 PlacesAfterwards, 41 TransitionsBefore, 38 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 42, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 42, independent: 42, independent conditional: 42, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 312, Positive conditional cache size: 3, Positive unconditional cache size: 309, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, 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, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 312, Positive conditional cache size: 3, Positive unconditional cache size: 309, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.0s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 440 IncrementalHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 4 mSDtfsCounter, 440 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=290occurred in iteration=8, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 388 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 00:52:00,611 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...