/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:03:19,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:03:19,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:03:19,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:03:19,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:03:19,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:03:19,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:03:19,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:03:19,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:03:19,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:03:19,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:03:19,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:03:19,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:03:19,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:03:19,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:03:19,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:03:19,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:03:19,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:03:20,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:03:20,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:03:20,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:03:20,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:03:20,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:03:20,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:03:20,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:03:20,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:03:20,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:03:20,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:03:20,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:03:20,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:03:20,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:03:20,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:03:20,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:03:20,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:03:20,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:03:20,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:03:20,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:03:20,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:03:20,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:03:20,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:03:20,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:03:20,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-06 01:03:20,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:03:20,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:03:20,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:03:20,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:03:20,071 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:03:20,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:03:20,072 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:03:20,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:03:20,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:03:20,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:03:20,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:03:20,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:03:20,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:03:20,073 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:03:20,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:03:20,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:03:20,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:03:20,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:03:20,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:03:20,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:03:20,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:03:20,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:03:20,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:03:20,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:03:20,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:03:20,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:03:20,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:03:20,075 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:03:20,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:03:20,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:03:20,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:03:20,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:03:20,411 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:03:20,413 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:03:20,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-12-06 01:03:21,577 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:03:21,789 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:03:21,795 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-12-06 01:03:21,804 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf2a61ff/94a03f95e3ba468abc74a9dca37bb366/FLAG628a9205f [2022-12-06 01:03:21,817 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf2a61ff/94a03f95e3ba468abc74a9dca37bb366 [2022-12-06 01:03:21,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:03:21,820 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:03:21,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:03:21,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:03:21,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:03:21,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:03:21" (1/1) ... [2022-12-06 01:03:21,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5685d966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:21, skipping insertion in model container [2022-12-06 01:03:21,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:03:21" (1/1) ... [2022-12-06 01:03:21,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:03:21,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:03:21,991 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/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[996,1009] [2022-12-06 01:03:22,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,131 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,132 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,132 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,132 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,189 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:03:22,208 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:03:22,217 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/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[996,1009] [2022-12-06 01:03:22,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,255 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,255 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,255 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,256 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,256 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:03:22,256 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:03:22,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:03:22,291 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:03:22,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22 WrapperNode [2022-12-06 01:03:22,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:03:22,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:03:22,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:03:22,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:03:22,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22" (1/1) ... [2022-12-06 01:03:22,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22" (1/1) ... [2022-12-06 01:03:22,348 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2022-12-06 01:03:22,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:03:22,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:03:22,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:03:22,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:03:22,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22" (1/1) ... [2022-12-06 01:03:22,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22" (1/1) ... [2022-12-06 01:03:22,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22" (1/1) ... [2022-12-06 01:03:22,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22" (1/1) ... [2022-12-06 01:03:22,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22" (1/1) ... [2022-12-06 01:03:22,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22" (1/1) ... [2022-12-06 01:03:22,376 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22" (1/1) ... [2022-12-06 01:03:22,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22" (1/1) ... [2022-12-06 01:03:22,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:03:22,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:03:22,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:03:22,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:03:22,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22" (1/1) ... [2022-12-06 01:03:22,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:03:22,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:03:22,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 01:03:22,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 01:03:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:03:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 01:03:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:03:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:03:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:03:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 01:03:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 01:03:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 01:03:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 01:03:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 01:03:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 01:03:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:03:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 01:03:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:03:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:03:22,449 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 01:03:22,571 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:03:22,572 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:03:22,866 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:03:23,030 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:03:23,030 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 01:03:23,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:03:23 BoogieIcfgContainer [2022-12-06 01:03:23,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:03:23,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:03:23,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:03:23,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:03:23,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:03:21" (1/3) ... [2022-12-06 01:03:23,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de9f383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:03:23, skipping insertion in model container [2022-12-06 01:03:23,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:03:22" (2/3) ... [2022-12-06 01:03:23,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de9f383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:03:23, skipping insertion in model container [2022-12-06 01:03:23,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:03:23" (3/3) ... [2022-12-06 01:03:23,044 INFO L112 eAbstractionObserver]: Analyzing ICFG mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-12-06 01:03:23,058 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:03:23,058 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 01:03:23,058 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:03:23,100 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 01:03:23,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 110 transitions, 235 flow [2022-12-06 01:03:23,153 INFO L130 PetriNetUnfolder]: 2/107 cut-off events. [2022-12-06 01:03:23,154 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:03:23,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 107 events. 2/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 60 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2022-12-06 01:03:23,158 INFO L82 GeneralOperation]: Start removeDead. Operand has 118 places, 110 transitions, 235 flow [2022-12-06 01:03:23,161 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 107 transitions, 223 flow [2022-12-06 01:03:23,162 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:23,174 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 107 transitions, 223 flow [2022-12-06 01:03:23,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 107 transitions, 223 flow [2022-12-06 01:03:23,196 INFO L130 PetriNetUnfolder]: 2/107 cut-off events. [2022-12-06 01:03:23,196 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:03:23,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 107 events. 2/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 60 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2022-12-06 01:03:23,198 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 107 transitions, 223 flow [2022-12-06 01:03:23,199 INFO L188 LiptonReduction]: Number of co-enabled transitions 2008 [2022-12-06 01:03:26,954 INFO L203 LiptonReduction]: Total number of compositions: 83 [2022-12-06 01:03:26,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:03:26,985 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;@31cdef1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:03:26,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-06 01:03:26,987 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2022-12-06 01:03:26,987 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:03:26,988 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:26,988 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 01:03:26,988 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:03:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:26,992 INFO L85 PathProgramCache]: Analyzing trace with hash 471579, now seen corresponding path program 1 times [2022-12-06 01:03:26,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:26,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210191281] [2022-12-06 01:03:27,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:27,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:27,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:27,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210191281] [2022-12-06 01:03:27,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210191281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:27,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:27,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:03:27,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307160828] [2022-12-06 01:03:27,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:27,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:03:27,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:27,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:03:27,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:03:27,381 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 29 [2022-12-06 01:03:27,382 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 67 flow. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:27,382 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:27,382 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 29 [2022-12-06 01:03:27,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:27,668 INFO L130 PetriNetUnfolder]: 1106/1788 cut-off events. [2022-12-06 01:03:27,668 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-06 01:03:27,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3482 conditions, 1788 events. 1106/1788 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 9891 event pairs, 176 based on Foata normal form. 0/1601 useless extension candidates. Maximal degree in co-relation 3471. Up to 1336 conditions per place. [2022-12-06 01:03:27,682 INFO L137 encePairwiseOnDemand]: 24/29 looper letters, 31 selfloop transitions, 2 changer transitions 8/44 dead transitions. [2022-12-06 01:03:27,682 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 44 transitions, 185 flow [2022-12-06 01:03:27,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:03:27,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:03:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2022-12-06 01:03:27,692 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.632183908045977 [2022-12-06 01:03:27,694 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2022-12-06 01:03:27,695 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:27,695 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 44 transitions, 185 flow [2022-12-06 01:03:27,708 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 44 transitions, 185 flow [2022-12-06 01:03:27,708 INFO L188 LiptonReduction]: Number of co-enabled transitions 134 [2022-12-06 01:03:27,976 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-06 01:03:27,977 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 282 [2022-12-06 01:03:27,977 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 42 transitions, 181 flow [2022-12-06 01:03:27,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:27,977 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:27,977 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:27,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:03:27,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:03:27,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:27,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1553387902, now seen corresponding path program 1 times [2022-12-06 01:03:27,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:27,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226389566] [2022-12-06 01:03:27,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:27,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:28,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:28,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226389566] [2022-12-06 01:03:28,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226389566] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:28,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:28,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:03:28,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325457173] [2022-12-06 01:03:28,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:28,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:03:28,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:28,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:03:28,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:03:28,195 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 26 [2022-12-06 01:03:28,195 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 42 transitions, 181 flow. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:28,195 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:28,195 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 26 [2022-12-06 01:03:28,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:28,560 INFO L130 PetriNetUnfolder]: 1840/2789 cut-off events. [2022-12-06 01:03:28,561 INFO L131 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2022-12-06 01:03:28,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8271 conditions, 2789 events. 1840/2789 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 13873 event pairs, 242 based on Foata normal form. 0/2537 useless extension candidates. Maximal degree in co-relation 8257. Up to 2177 conditions per place. [2022-12-06 01:03:28,571 INFO L137 encePairwiseOnDemand]: 16/26 looper letters, 50 selfloop transitions, 9 changer transitions 14/73 dead transitions. [2022-12-06 01:03:28,571 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 73 transitions, 455 flow [2022-12-06 01:03:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:03:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:03:28,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2022-12-06 01:03:28,573 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6282051282051282 [2022-12-06 01:03:28,573 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2022-12-06 01:03:28,574 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:28,574 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 73 transitions, 455 flow [2022-12-06 01:03:28,585 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 73 transitions, 455 flow [2022-12-06 01:03:28,585 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:28,588 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:28,589 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 16 [2022-12-06 01:03:28,589 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 73 transitions, 455 flow [2022-12-06 01:03:28,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:28,590 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:28,590 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:28,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:03:28,590 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:03:28,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:28,591 INFO L85 PathProgramCache]: Analyzing trace with hash 910384443, now seen corresponding path program 1 times [2022-12-06 01:03:28,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:28,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315400756] [2022-12-06 01:03:28,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:28,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:28,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:28,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:28,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315400756] [2022-12-06 01:03:28,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315400756] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:28,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:28,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:03:28,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125198204] [2022-12-06 01:03:28,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:28,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:03:28,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:28,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:03:28,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:03:28,741 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 26 [2022-12-06 01:03:28,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 73 transitions, 455 flow. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:28,741 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:28,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 26 [2022-12-06 01:03:28,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:29,050 INFO L130 PetriNetUnfolder]: 1768/2681 cut-off events. [2022-12-06 01:03:29,050 INFO L131 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2022-12-06 01:03:29,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10653 conditions, 2681 events. 1768/2681 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 13093 event pairs, 78 based on Foata normal form. 0/2453 useless extension candidates. Maximal degree in co-relation 10636. Up to 2101 conditions per place. [2022-12-06 01:03:29,062 INFO L137 encePairwiseOnDemand]: 22/26 looper letters, 76 selfloop transitions, 5 changer transitions 26/107 dead transitions. [2022-12-06 01:03:29,062 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 107 transitions, 873 flow [2022-12-06 01:03:29,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:03:29,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:03:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2022-12-06 01:03:29,063 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.48717948717948717 [2022-12-06 01:03:29,064 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 2 predicate places. [2022-12-06 01:03:29,065 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:29,065 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 107 transitions, 873 flow [2022-12-06 01:03:29,079 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 107 transitions, 873 flow [2022-12-06 01:03:29,079 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:29,082 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:29,084 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 20 [2022-12-06 01:03:29,086 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 107 transitions, 873 flow [2022-12-06 01:03:29,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:29,087 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:29,087 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:29,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 01:03:29,087 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:03:29,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:29,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1842897932, now seen corresponding path program 1 times [2022-12-06 01:03:29,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:29,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580813730] [2022-12-06 01:03:29,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:29,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:29,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:29,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:29,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580813730] [2022-12-06 01:03:29,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580813730] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:29,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:29,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:03:29,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823861188] [2022-12-06 01:03:29,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:29,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:03:29,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:29,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:03:29,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:03:29,218 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 26 [2022-12-06 01:03:29,218 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 107 transitions, 873 flow. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:29,218 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:29,218 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 26 [2022-12-06 01:03:29,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:29,565 INFO L130 PetriNetUnfolder]: 1306/2102 cut-off events. [2022-12-06 01:03:29,566 INFO L131 PetriNetUnfolder]: For 138/138 co-relation queries the response was YES. [2022-12-06 01:03:29,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10354 conditions, 2102 events. 1306/2102 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 10599 event pairs, 44 based on Foata normal form. 140/2041 useless extension candidates. Maximal degree in co-relation 10334. Up to 1691 conditions per place. [2022-12-06 01:03:29,578 INFO L137 encePairwiseOnDemand]: 19/26 looper letters, 109 selfloop transitions, 17 changer transitions 134/262 dead transitions. [2022-12-06 01:03:29,578 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 262 transitions, 2645 flow [2022-12-06 01:03:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:03:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:03:29,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 76 transitions. [2022-12-06 01:03:29,579 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5846153846153846 [2022-12-06 01:03:29,580 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 6 predicate places. [2022-12-06 01:03:29,580 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:29,581 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 262 transitions, 2645 flow [2022-12-06 01:03:29,596 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 262 transitions, 2645 flow [2022-12-06 01:03:29,596 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:29,597 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:29,599 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 19 [2022-12-06 01:03:29,599 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 262 transitions, 2645 flow [2022-12-06 01:03:29,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:29,599 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:29,599 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:29,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 01:03:29,599 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:03:29,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:29,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1285597527, now seen corresponding path program 1 times [2022-12-06 01:03:29,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:29,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295318014] [2022-12-06 01:03:29,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:29,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:29,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:29,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:29,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295318014] [2022-12-06 01:03:29,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295318014] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:29,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:29,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:03:29,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132676016] [2022-12-06 01:03:29,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:29,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 01:03:29,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:29,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 01:03:29,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 01:03:29,749 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 26 [2022-12-06 01:03:29,750 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 262 transitions, 2645 flow. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:29,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:29,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 26 [2022-12-06 01:03:29,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:30,151 INFO L130 PetriNetUnfolder]: 1000/1648 cut-off events. [2022-12-06 01:03:30,151 INFO L131 PetriNetUnfolder]: For 222/222 co-relation queries the response was YES. [2022-12-06 01:03:30,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9680 conditions, 1648 events. 1000/1648 cut-off events. For 222/222 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8063 event pairs, 11 based on Foata normal form. 82/1556 useless extension candidates. Maximal degree in co-relation 9657. Up to 1315 conditions per place. [2022-12-06 01:03:30,161 INFO L137 encePairwiseOnDemand]: 19/26 looper letters, 110 selfloop transitions, 31 changer transitions 222/365 dead transitions. [2022-12-06 01:03:30,161 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 365 transitions, 4407 flow [2022-12-06 01:03:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 01:03:30,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 01:03:30,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 103 transitions. [2022-12-06 01:03:30,162 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5659340659340659 [2022-12-06 01:03:30,163 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 12 predicate places. [2022-12-06 01:03:30,166 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:30,166 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 365 transitions, 4407 flow [2022-12-06 01:03:30,182 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 365 transitions, 4407 flow [2022-12-06 01:03:30,182 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:30,183 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:30,184 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 21 [2022-12-06 01:03:30,184 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 365 transitions, 4407 flow [2022-12-06 01:03:30,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:30,185 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:30,185 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:30,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 01:03:30,185 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:03:30,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:30,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1349194546, now seen corresponding path program 1 times [2022-12-06 01:03:30,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:30,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010499918] [2022-12-06 01:03:30,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:30,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:30,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:30,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:30,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010499918] [2022-12-06 01:03:30,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010499918] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:30,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:30,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:03:30,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828332611] [2022-12-06 01:03:30,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:30,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:03:30,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:30,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:03:30,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:03:30,340 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 26 [2022-12-06 01:03:30,340 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 365 transitions, 4407 flow. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:30,340 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:30,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 26 [2022-12-06 01:03:30,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:30,731 INFO L130 PetriNetUnfolder]: 1314/2220 cut-off events. [2022-12-06 01:03:30,731 INFO L131 PetriNetUnfolder]: For 366/366 co-relation queries the response was YES. [2022-12-06 01:03:30,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15156 conditions, 2220 events. 1314/2220 cut-off events. For 366/366 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 11994 event pairs, 7 based on Foata normal form. 0/1988 useless extension candidates. Maximal degree in co-relation 15130. Up to 1862 conditions per place. [2022-12-06 01:03:30,743 INFO L137 encePairwiseOnDemand]: 23/26 looper letters, 137 selfloop transitions, 10 changer transitions 470/619 dead transitions. [2022-12-06 01:03:30,744 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 619 transitions, 8716 flow [2022-12-06 01:03:30,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:03:30,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:03:30,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 60 transitions. [2022-12-06 01:03:30,745 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5769230769230769 [2022-12-06 01:03:30,747 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 15 predicate places. [2022-12-06 01:03:30,747 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:30,747 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 619 transitions, 8716 flow [2022-12-06 01:03:30,765 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 619 transitions, 8716 flow [2022-12-06 01:03:30,765 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:30,768 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:30,769 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 22 [2022-12-06 01:03:30,769 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 619 transitions, 8716 flow [2022-12-06 01:03:30,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:30,769 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:30,769 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:30,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 01:03:30,769 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:03:30,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:30,773 INFO L85 PathProgramCache]: Analyzing trace with hash 225828559, now seen corresponding path program 1 times [2022-12-06 01:03:30,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:30,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403801264] [2022-12-06 01:03:30,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:30,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:30,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:30,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:30,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403801264] [2022-12-06 01:03:30,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403801264] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:30,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:30,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 01:03:30,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473976049] [2022-12-06 01:03:30,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:30,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 01:03:30,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:30,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 01:03:30,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-06 01:03:30,923 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 26 [2022-12-06 01:03:30,923 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 619 transitions, 8716 flow. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:30,923 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:30,923 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 26 [2022-12-06 01:03:30,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:31,421 INFO L130 PetriNetUnfolder]: 1239/2075 cut-off events. [2022-12-06 01:03:31,421 INFO L131 PetriNetUnfolder]: For 548/548 co-relation queries the response was YES. [2022-12-06 01:03:31,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16128 conditions, 2075 events. 1239/2075 cut-off events. For 548/548 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 11137 event pairs, 0 based on Foata normal form. 37/1889 useless extension candidates. Maximal degree in co-relation 16099. Up to 1727 conditions per place. [2022-12-06 01:03:31,428 INFO L137 encePairwiseOnDemand]: 19/26 looper letters, 62 selfloop transitions, 21 changer transitions 555/640 dead transitions. [2022-12-06 01:03:31,428 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 640 transitions, 10286 flow [2022-12-06 01:03:31,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-06 01:03:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-06 01:03:31,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 107 transitions. [2022-12-06 01:03:31,429 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.45726495726495725 [2022-12-06 01:03:31,430 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 23 predicate places. [2022-12-06 01:03:31,430 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:31,430 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 640 transitions, 10286 flow [2022-12-06 01:03:31,444 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 640 transitions, 10286 flow [2022-12-06 01:03:31,444 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:31,445 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:31,446 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 16 [2022-12-06 01:03:31,446 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 640 transitions, 10286 flow [2022-12-06 01:03:31,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:31,446 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:03:31,446 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:31,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 01:03:31,446 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:03:31,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:03:31,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1771249056, now seen corresponding path program 1 times [2022-12-06 01:03:31,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:03:31,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415534697] [2022-12-06 01:03:31,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:03:31,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:03:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:03:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:03:31,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:03:31,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415534697] [2022-12-06 01:03:31,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415534697] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:03:31,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:03:31,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 01:03:31,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307362618] [2022-12-06 01:03:31,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:03:31,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 01:03:31,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:03:31,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 01:03:31,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-06 01:03:31,946 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 26 [2022-12-06 01:03:31,946 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 640 transitions, 10286 flow. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:31,946 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:03:31,946 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 26 [2022-12-06 01:03:31,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:03:32,421 INFO L130 PetriNetUnfolder]: 1498/2563 cut-off events. [2022-12-06 01:03:32,422 INFO L131 PetriNetUnfolder]: For 769/769 co-relation queries the response was YES. [2022-12-06 01:03:32,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22487 conditions, 2563 events. 1498/2563 cut-off events. For 769/769 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 14801 event pairs, 0 based on Foata normal form. 0/2287 useless extension candidates. Maximal degree in co-relation 22455. Up to 2215 conditions per place. [2022-12-06 01:03:32,429 INFO L137 encePairwiseOnDemand]: 20/26 looper letters, 0 selfloop transitions, 0 changer transitions 950/950 dead transitions. [2022-12-06 01:03:32,430 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 950 transitions, 17148 flow [2022-12-06 01:03:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 01:03:32,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 01:03:32,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 70 transitions. [2022-12-06 01:03:32,431 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.38461538461538464 [2022-12-06 01:03:32,433 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 28 predicate places. [2022-12-06 01:03:32,433 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:03:32,433 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 950 transitions, 17148 flow [2022-12-06 01:03:32,452 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 950 transitions, 17148 flow [2022-12-06 01:03:32,452 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:03:32,455 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:03:32,456 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 23 [2022-12-06 01:03:32,456 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 950 transitions, 17148 flow [2022-12-06 01:03:32,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:03:32,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-06 01:03:32,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-12-06 01:03:32,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-06 01:03:32,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-12-06 01:03:32,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2022-12-06 01:03:32,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-06 01:03:32,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 01:03:32,459 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:03:32,465 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:03:32,465 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:03:32,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:03:32 BasicIcfg [2022-12-06 01:03:32,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:03:32,469 INFO L158 Benchmark]: Toolchain (without parser) took 10648.51ms. Allocated memory was 217.1MB in the beginning and 424.7MB in the end (delta: 207.6MB). Free memory was 182.5MB in the beginning and 177.2MB in the end (delta: 5.3MB). Peak memory consumption was 214.0MB. Max. memory is 8.0GB. [2022-12-06 01:03:32,469 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 217.1MB. Free memory is still 194.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:03:32,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.65ms. Allocated memory is still 217.1MB. Free memory was 182.5MB in the beginning and 156.3MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-12-06 01:03:32,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.48ms. Allocated memory is still 217.1MB. Free memory was 155.8MB in the beginning and 153.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:03:32,469 INFO L158 Benchmark]: Boogie Preprocessor took 41.87ms. Allocated memory is still 217.1MB. Free memory was 153.7MB in the beginning and 151.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:03:32,469 INFO L158 Benchmark]: RCFGBuilder took 640.18ms. Allocated memory is still 217.1MB. Free memory was 151.6MB in the beginning and 117.0MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2022-12-06 01:03:32,469 INFO L158 Benchmark]: TraceAbstraction took 9434.24ms. Allocated memory was 217.1MB in the beginning and 424.7MB in the end (delta: 207.6MB). Free memory was 115.9MB in the beginning and 177.2MB in the end (delta: -61.3MB). Peak memory consumption was 147.9MB. Max. memory is 8.0GB. [2022-12-06 01:03:32,470 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 217.1MB. Free memory is still 194.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 470.65ms. Allocated memory is still 217.1MB. Free memory was 182.5MB in the beginning and 156.3MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.48ms. Allocated memory is still 217.1MB. Free memory was 155.8MB in the beginning and 153.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.87ms. Allocated memory is still 217.1MB. Free memory was 153.7MB in the beginning and 151.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 640.18ms. Allocated memory is still 217.1MB. Free memory was 151.6MB in the beginning and 117.0MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 9434.24ms. Allocated memory was 217.1MB in the beginning and 424.7MB in the end (delta: 207.6MB). Free memory was 115.9MB in the beginning and 177.2MB in the end (delta: -61.3MB). Peak memory consumption was 147.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.8s, 115 PlacesBefore, 38 PlacesAfterwards, 107 TransitionsBefore, 29 TransitionsAfterwards, 2008 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 39 TrivialYvCompositions, 42 ConcurrentYvCompositions, 1 ChoiceCompositions, 83 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1576, independent: 1515, independent conditional: 1515, independent unconditional: 0, dependent: 61, dependent conditional: 61, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1576, independent: 1515, independent conditional: 0, independent unconditional: 1515, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1576, independent: 1515, independent conditional: 0, independent unconditional: 1515, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1576, independent: 1515, independent conditional: 0, independent unconditional: 1515, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1280, independent: 1238, independent conditional: 0, independent unconditional: 1238, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1280, independent: 1224, independent conditional: 0, independent unconditional: 1224, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 192, dependent conditional: 0, dependent unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1576, independent: 277, independent conditional: 0, independent unconditional: 277, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 1280, unknown conditional: 0, unknown unconditional: 1280] , Statistics on independence cache: Total cache size (in pairs): 1882, Positive cache size: 1840, Positive conditional cache size: 0, Positive unconditional cache size: 1840, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 38 PlacesBefore, 36 PlacesAfterwards, 44 TransitionsBefore, 42 TransitionsAfterwards, 134 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 38 PlacesBefore, 38 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 40 PlacesBefore, 40 PlacesAfterwards, 107 TransitionsBefore, 107 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 44 PlacesBefore, 44 PlacesAfterwards, 262 TransitionsBefore, 262 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 50 PlacesBefore, 50 PlacesAfterwards, 365 TransitionsBefore, 365 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 53 PlacesBefore, 53 PlacesAfterwards, 619 TransitionsBefore, 619 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 61 PlacesBefore, 61 PlacesAfterwards, 640 TransitionsBefore, 640 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 66 PlacesBefore, 66 PlacesAfterwards, 950 TransitionsBefore, 950 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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, 138 locations, 6 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: 9.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 326 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 326 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 807 IncrementalHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 2 mSDtfsCounter, 807 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17148occurred in iteration=8, InterpolantAutomatonStates: 41, 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, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 472 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 01:03:32,512 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...