/usr/bin/java -Xmx16000000000 -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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix055_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:22:30,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:22:30,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:22:30,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:22:30,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:22:30,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:22:30,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:22:30,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:22:30,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:22:30,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:22:30,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:22:30,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:22:30,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:22:30,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:22:30,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:22:30,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:22:30,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:22:30,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:22:30,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:22:30,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:22:30,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:22:30,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:22:30,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:22:30,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:22:30,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 22:22:30,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:22:30,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:22:30,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:22:30,651 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 22:22:30,710 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:22:30,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:22:30,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:22:30,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:22:30,715 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:22:30,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:22:30,716 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:22:30,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:22:30,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:22:30,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:22:30,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:22:30,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:22:30,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:22:30,718 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:22:30,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:22:30,719 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:22:30,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:22:30,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:22:30,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:22:30,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:22:30,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:22:30,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:22:30,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:22:30,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:22:30,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:22:30,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:22:30,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:22:30,722 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:22:30,722 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:22:30,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:22:30,722 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:22:31,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:22:31,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:22:31,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:22:31,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:22:31,253 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:22:31,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix055_pso.opt.i [2021-04-28 22:22:31,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f0f45a9a/c324c6fc92f242f7abba9b98d7c4cf2c/FLAG81ec7a4b9 [2021-04-28 22:22:32,188 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:22:32,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_pso.opt.i [2021-04-28 22:22:32,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f0f45a9a/c324c6fc92f242f7abba9b98d7c4cf2c/FLAG81ec7a4b9 [2021-04-28 22:22:32,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f0f45a9a/c324c6fc92f242f7abba9b98d7c4cf2c [2021-04-28 22:22:32,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:22:32,423 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:22:32,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:22:32,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:22:32,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:22:32,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:22:32" (1/1) ... [2021-04-28 22:22:32,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6313690b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:32, skipping insertion in model container [2021-04-28 22:22:32,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:22:32" (1/1) ... [2021-04-28 22:22:32,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:22:32,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:22:32,655 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_pso.opt.i[948,961] [2021-04-28 22:22:32,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:22:32,893 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:22:32,909 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_pso.opt.i[948,961] [2021-04-28 22:22:32,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:22:33,149 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:22:33,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:33 WrapperNode [2021-04-28 22:22:33,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:22:33,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:22:33,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:22:33,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:22:33,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:33" (1/1) ... [2021-04-28 22:22:33,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:33" (1/1) ... [2021-04-28 22:22:33,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:22:33,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:22:33,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:22:33,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:22:33,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:33" (1/1) ... [2021-04-28 22:22:33,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:33" (1/1) ... [2021-04-28 22:22:33,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:33" (1/1) ... [2021-04-28 22:22:33,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:33" (1/1) ... [2021-04-28 22:22:33,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:33" (1/1) ... [2021-04-28 22:22:33,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:33" (1/1) ... [2021-04-28 22:22:33,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:33" (1/1) ... [2021-04-28 22:22:33,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:22:33,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:22:33,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:22:33,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:22:33,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:22:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:22:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:22:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:22:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:22:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:22:33,472 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:22:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:22:33,473 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:22:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 22:22:33,473 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 22:22:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 22:22:33,474 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 22:22:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:22:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:22:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:22:33,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:22:33,477 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 22:22:35,961 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:22:35,962 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:22:35,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:22:35 BoogieIcfgContainer [2021-04-28 22:22:35,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:22:35,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:22:35,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:22:35,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:22:35,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:22:32" (1/3) ... [2021-04-28 22:22:35,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c43462a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:22:35, skipping insertion in model container [2021-04-28 22:22:35,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:22:33" (2/3) ... [2021-04-28 22:22:35,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c43462a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:22:35, skipping insertion in model container [2021-04-28 22:22:35,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:22:35" (3/3) ... [2021-04-28 22:22:35,975 INFO L111 eAbstractionObserver]: Analyzing ICFG mix055_pso.opt.i [2021-04-28 22:22:35,983 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:22:35,989 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:22:35,990 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:22:36,038 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,039 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,039 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,040 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,040 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,041 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,042 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,042 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,043 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,043 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,045 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,045 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,045 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,045 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,051 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,051 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,052 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,052 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,052 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,052 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,053 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,053 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,060 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,061 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,063 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,064 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,065 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,066 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,068 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,068 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,068 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,069 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,070 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,070 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,072 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,073 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:22:36,074 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:22:36,099 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 22:22:36,126 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:22:36,127 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:22:36,127 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:22:36,127 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:22:36,127 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:22:36,127 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:22:36,127 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:22:36,128 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:22:36,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 246 flow [2021-04-28 22:22:36,199 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2021-04-28 22:22:36,200 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:22:36,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-04-28 22:22:36,206 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 113 transitions, 246 flow [2021-04-28 22:22:36,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 109 transitions, 230 flow [2021-04-28 22:22:36,215 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:22:36,232 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 109 transitions, 230 flow [2021-04-28 22:22:36,237 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 109 transitions, 230 flow [2021-04-28 22:22:36,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 109 transitions, 230 flow [2021-04-28 22:22:36,270 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2021-04-28 22:22:36,270 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:22:36,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-04-28 22:22:36,276 INFO L146 LiptonReduction]: Number of co-enabled transitions 2406 [2021-04-28 22:22:40,500 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:22:41,025 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:22:43,405 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:22:44,554 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:22:45,527 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:22:45,652 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 22:22:46,246 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 22:22:46,482 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 22:22:49,202 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:22:49,738 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:22:52,232 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 22:22:53,302 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 22:22:54,741 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 22:22:55,384 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 22:22:58,175 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 22:22:59,446 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 22:23:00,844 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 22:23:01,469 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:23:04,285 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 22:23:05,512 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:23:08,406 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-04-28 22:23:09,045 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:23:11,834 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-28 22:23:13,098 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:23:15,298 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 231 DAG size of output: 190 [2021-04-28 22:23:15,993 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:23:18,940 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-28 22:23:20,283 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:23:21,873 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 22:23:22,687 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:23:25,913 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 22:23:27,367 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 22:23:29,697 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 22:23:30,382 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:23:33,793 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:23:35,266 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:23:40,269 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-04-28 22:23:41,118 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:23:44,744 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-28 22:23:46,451 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:23:48,545 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 22:23:49,537 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:23:53,927 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 22:23:55,916 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:23:58,058 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:23:59,054 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:24:03,433 WARN L205 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:24:05,471 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:24:08,896 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:24:09,007 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:24:09,131 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:24:09,246 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:24:09,403 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:24:09,548 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:24:09,687 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:24:09,829 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:24:09,940 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:24:10,052 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:24:10,169 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:24:10,274 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:24:10,423 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:10,614 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:10,773 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:10,925 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:11,075 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:24:11,210 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:24:11,339 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:24:11,467 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:24:11,608 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:24:11,740 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:24:11,871 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:24:12,003 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:24:12,141 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:24:12,260 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:24:12,386 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:24:12,508 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:24:12,632 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:24:12,762 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:24:12,890 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:24:13,022 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:24:13,895 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 22:24:13,998 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 22:24:14,406 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-04-28 22:24:14,702 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:24:14,817 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:24:14,944 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:24:15,060 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:24:15,539 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:24:15,672 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:24:15,801 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:24:15,930 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:24:17,447 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:24:17,568 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:24:17,690 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:24:17,811 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:24:17,921 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:24:18,030 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:24:18,140 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:24:18,260 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:24:18,739 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:24:18,873 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:24:19,007 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:24:19,140 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:24:19,245 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:24:19,349 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:24:19,456 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:24:19,562 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:24:19,674 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:24:19,785 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:24:19,898 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:24:20,010 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:24:20,209 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:24:20,404 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:24:20,587 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:24:20,763 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:24:20,929 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:24:21,086 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:24:21,238 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:24:21,395 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:24:21,562 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:24:21,733 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:24:21,906 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:24:22,072 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:24:22,286 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:24:22,480 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:24:22,674 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:24:22,864 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:24:23,061 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:24:23,268 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:24:23,452 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:24:23,636 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:24:23,844 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:24:24,061 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:24:24,271 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:24:24,483 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:24:24,652 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:24:24,820 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:24:24,996 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:24:25,180 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:24:25,402 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:24:25,590 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:24:25,772 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:24:25,949 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:24:26,168 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:24:26,381 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:24:26,606 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:24:26,821 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:24:27,008 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:27,158 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:27,310 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:27,455 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:27,679 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:24:27,903 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:24:28,126 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:24:28,348 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:24:28,490 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:28,629 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:28,770 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:28,915 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:29,136 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:24:29,352 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:24:29,558 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:24:29,765 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:24:29,906 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:30,046 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:30,187 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:30,337 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:30,476 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:30,615 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:30,759 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:30,907 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:24:31,185 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:24:31,464 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:24:31,733 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:24:32,000 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:24:32,253 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:24:32,496 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:24:32,739 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:24:32,990 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:24:33,262 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:24:33,535 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:24:33,846 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:24:34,177 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:24:34,411 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:24:34,634 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:24:34,862 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:24:35,095 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:24:35,336 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:24:35,551 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:24:35,782 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:24:36,002 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:24:36,310 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:24:36,620 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:24:36,954 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:24:37,281 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:24:37,595 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:24:37,889 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:24:38,165 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:24:38,459 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:24:38,698 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:24:38,917 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:24:39,152 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:24:39,388 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:24:39,709 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:24:40,039 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:24:40,366 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:24:40,685 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:24:40,936 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:24:41,187 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:24:41,449 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:24:41,707 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:24:42,000 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:24:42,285 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:24:42,608 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:24:42,910 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:24:43,221 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:24:43,531 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:24:43,850 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:24:44,187 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:24:44,436 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:24:44,683 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:24:44,937 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:24:45,207 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:24:45,507 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:24:45,810 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:24:46,107 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:24:46,403 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:24:47,376 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 22:24:47,829 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 22:24:48,778 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 22:24:49,231 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 22:24:49,591 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:49,946 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:50,296 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:50,639 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:50,990 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:51,352 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:51,690 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:52,021 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:52,348 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:52,677 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:53,026 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:53,365 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:53,701 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:54,036 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:54,406 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:54,780 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:55,740 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 22:24:56,197 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 22:24:57,197 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 22:24:57,637 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 22:24:57,864 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:24:58,110 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:24:58,356 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:24:58,595 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:24:58,663 INFO L158 LiptonReduction]: Checked pairs total: 23607 [2021-04-28 22:24:58,663 INFO L160 LiptonReduction]: Total number of compositions: 242 [2021-04-28 22:24:58,668 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142455 [2021-04-28 22:24:58,697 INFO L129 PetriNetUnfolder]: 2/98 cut-off events. [2021-04-28 22:24:58,697 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:24:58,698 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:24:58,699 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:24:58,699 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:24:58,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:24:58,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1113402049, now seen corresponding path program 1 times [2021-04-28 22:24:58,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:24:58,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168659863] [2021-04-28 22:24:58,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:24:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:24:59,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:59,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:24:59,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168659863] [2021-04-28 22:24:59,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:24:59,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:24:59,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796555460] [2021-04-28 22:24:59,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:24:59,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:24:59,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:24:59,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:24:59,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 355 [2021-04-28 22:24:59,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 137 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 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) [2021-04-28 22:24:59,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:24:59,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 355 [2021-04-28 22:24:59,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:24:59,603 INFO L129 PetriNetUnfolder]: 114/405 cut-off events. [2021-04-28 22:24:59,603 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:24:59,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 644 conditions, 405 events. 114/405 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 2811 event pairs, 48 based on Foata normal form. 6/168 useless extension candidates. Maximal degree in co-relation 572. Up to 167 conditions per place. [2021-04-28 22:24:59,608 INFO L132 encePairwiseOnDemand]: 339/355 looper letters, 7 selfloop transitions, 2 changer transitions 100/149 dead transitions. [2021-04-28 22:24:59,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 149 transitions, 402 flow [2021-04-28 22:24:59,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:24:59,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:24:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 883 transitions. [2021-04-28 22:24:59,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8291079812206573 [2021-04-28 22:24:59,632 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 883 transitions. [2021-04-28 22:24:59,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 883 transitions. [2021-04-28 22:24:59,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:24:59,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 883 transitions. [2021-04-28 22:24:59,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2021-04-28 22:24:59,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 355.0) internal successors, (1420), 4 states have internal predecessors, (1420), 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) [2021-04-28 22:24:59,658 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 355.0) internal successors, (1420), 4 states have internal predecessors, (1420), 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) [2021-04-28 22:24:59,660 INFO L185 Difference]: Start difference. First operand has 148 places, 137 transitions, 286 flow. Second operand 3 states and 883 transitions. [2021-04-28 22:24:59,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 149 transitions, 402 flow [2021-04-28 22:24:59,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 149 transitions, 398 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 22:24:59,669 INFO L241 Difference]: Finished difference. Result has 143 places, 46 transitions, 104 flow [2021-04-28 22:24:59,671 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=143, PETRI_TRANSITIONS=46} [2021-04-28 22:24:59,672 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -5 predicate places. [2021-04-28 22:24:59,672 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:24:59,672 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 46 transitions, 104 flow [2021-04-28 22:24:59,673 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 46 transitions, 104 flow [2021-04-28 22:24:59,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 46 transitions, 104 flow [2021-04-28 22:24:59,680 INFO L129 PetriNetUnfolder]: 0/46 cut-off events. [2021-04-28 22:24:59,680 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:24:59,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 163 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 22:24:59,682 INFO L146 LiptonReduction]: Number of co-enabled transitions 1278 [2021-04-28 22:25:00,069 INFO L158 LiptonReduction]: Checked pairs total: 1274 [2021-04-28 22:25:00,069 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:25:00,069 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 397 [2021-04-28 22:25:00,072 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 46 transitions, 104 flow [2021-04-28 22:25:00,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 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) [2021-04-28 22:25:00,073 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:25:00,073 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:25:00,073 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 22:25:00,073 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:25:00,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:25:00,074 INFO L82 PathProgramCache]: Analyzing trace with hash 532558527, now seen corresponding path program 1 times [2021-04-28 22:25:00,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:25:00,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250827556] [2021-04-28 22:25:00,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:25:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:25:00,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:00,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:25:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:25:00,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250827556] [2021-04-28 22:25:00,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:25:00,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:25:00,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337328046] [2021-04-28 22:25:00,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:25:00,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:25:00,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:25:00,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:25:00,201 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 355 [2021-04-28 22:25:00,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 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) [2021-04-28 22:25:00,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:25:00,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 355 [2021-04-28 22:25:00,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:25:00,229 INFO L129 PetriNetUnfolder]: 3/60 cut-off events. [2021-04-28 22:25:00,230 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:25:00,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 60 events. 3/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 207 event pairs, 1 based on Foata normal form. 1/36 useless extension candidates. Maximal degree in co-relation 74. Up to 10 conditions per place. [2021-04-28 22:25:00,231 INFO L132 encePairwiseOnDemand]: 351/355 looper letters, 3 selfloop transitions, 3 changer transitions 0/48 dead transitions. [2021-04-28 22:25:00,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 48 transitions, 120 flow [2021-04-28 22:25:00,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:25:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:25:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 766 transitions. [2021-04-28 22:25:00,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192488262910798 [2021-04-28 22:25:00,238 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 766 transitions. [2021-04-28 22:25:00,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 766 transitions. [2021-04-28 22:25:00,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:25:00,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 766 transitions. [2021-04-28 22:25:00,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 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) [2021-04-28 22:25:00,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 355.0) internal successors, (1420), 4 states have internal predecessors, (1420), 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) [2021-04-28 22:25:00,247 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 355.0) internal successors, (1420), 4 states have internal predecessors, (1420), 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) [2021-04-28 22:25:00,248 INFO L185 Difference]: Start difference. First operand has 57 places, 46 transitions, 104 flow. Second operand 3 states and 766 transitions. [2021-04-28 22:25:00,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 48 transitions, 120 flow [2021-04-28 22:25:00,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 48 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:25:00,250 INFO L241 Difference]: Finished difference. Result has 58 places, 48 transitions, 119 flow [2021-04-28 22:25:00,250 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=58, PETRI_TRANSITIONS=48} [2021-04-28 22:25:00,251 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -90 predicate places. [2021-04-28 22:25:00,251 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:25:00,251 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 48 transitions, 119 flow [2021-04-28 22:25:00,252 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 48 transitions, 119 flow [2021-04-28 22:25:00,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 48 transitions, 119 flow [2021-04-28 22:25:00,261 INFO L129 PetriNetUnfolder]: 3/58 cut-off events. [2021-04-28 22:25:00,261 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:25:00,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 58 events. 3/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 202 event pairs, 1 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 73. Up to 10 conditions per place. [2021-04-28 22:25:00,263 INFO L146 LiptonReduction]: Number of co-enabled transitions 1388 [2021-04-28 22:25:00,268 INFO L158 LiptonReduction]: Checked pairs total: 1056 [2021-04-28 22:25:00,268 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:25:00,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-04-28 22:25:00,270 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 119 flow [2021-04-28 22:25:00,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 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) [2021-04-28 22:25:00,271 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:25:00,271 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:25:00,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 22:25:00,271 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:25:00,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:25:00,272 INFO L82 PathProgramCache]: Analyzing trace with hash 2039061783, now seen corresponding path program 1 times [2021-04-28 22:25:00,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:25:00,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887991621] [2021-04-28 22:25:00,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:25:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:25:00,491 INFO L142 QuantifierPusher]: treesize reduction 10, result has 58.3 percent of original size [2021-04-28 22:25:00,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 22:25:00,520 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-04-28 22:25:00,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 22:25:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:25:00,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887991621] [2021-04-28 22:25:00,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:25:00,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:25:00,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331149758] [2021-04-28 22:25:00,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:25:00,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:25:00,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:25:00,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:25:00,550 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 355 [2021-04-28 22:25:00,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 119 flow. Second operand has 4 states, 4 states have (on average 219.75) internal successors, (879), 4 states have internal predecessors, (879), 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) [2021-04-28 22:25:00,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:25:00,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 355 [2021-04-28 22:25:00,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:25:00,706 INFO L129 PetriNetUnfolder]: 35/159 cut-off events. [2021-04-28 22:25:00,706 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2021-04-28 22:25:00,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 159 events. 35/159 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 724 event pairs, 8 based on Foata normal form. 4/105 useless extension candidates. Maximal degree in co-relation 250. Up to 45 conditions per place. [2021-04-28 22:25:00,709 INFO L132 encePairwiseOnDemand]: 350/355 looper letters, 10 selfloop transitions, 5 changer transitions 0/56 dead transitions. [2021-04-28 22:25:00,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 56 transitions, 165 flow [2021-04-28 22:25:00,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:25:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:25:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 893 transitions. [2021-04-28 22:25:00,717 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6288732394366198 [2021-04-28 22:25:00,717 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 893 transitions. [2021-04-28 22:25:00,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 893 transitions. [2021-04-28 22:25:00,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:25:00,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 893 transitions. [2021-04-28 22:25:00,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 223.25) internal successors, (893), 4 states have internal predecessors, (893), 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) [2021-04-28 22:25:00,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 355.0) internal successors, (1775), 5 states have internal predecessors, (1775), 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) [2021-04-28 22:25:00,726 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 355.0) internal successors, (1775), 5 states have internal predecessors, (1775), 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) [2021-04-28 22:25:00,726 INFO L185 Difference]: Start difference. First operand has 58 places, 48 transitions, 119 flow. Second operand 4 states and 893 transitions. [2021-04-28 22:25:00,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 56 transitions, 165 flow [2021-04-28 22:25:00,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 56 transitions, 162 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:25:00,729 INFO L241 Difference]: Finished difference. Result has 62 places, 52 transitions, 150 flow [2021-04-28 22:25:00,729 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=150, PETRI_PLACES=62, PETRI_TRANSITIONS=52} [2021-04-28 22:25:00,730 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -86 predicate places. [2021-04-28 22:25:00,730 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:25:00,730 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 52 transitions, 150 flow [2021-04-28 22:25:00,730 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 52 transitions, 150 flow [2021-04-28 22:25:00,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 52 transitions, 150 flow [2021-04-28 22:25:00,749 INFO L129 PetriNetUnfolder]: 12/96 cut-off events. [2021-04-28 22:25:00,749 INFO L130 PetriNetUnfolder]: For 40/43 co-relation queries the response was YES. [2021-04-28 22:25:00,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 96 events. 12/96 cut-off events. For 40/43 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 438 event pairs, 7 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 160. Up to 21 conditions per place. [2021-04-28 22:25:00,752 INFO L146 LiptonReduction]: Number of co-enabled transitions 1580 [2021-04-28 22:25:01,068 INFO L158 LiptonReduction]: Checked pairs total: 661 [2021-04-28 22:25:01,068 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:25:01,068 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 338 [2021-04-28 22:25:01,070 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 52 transitions, 150 flow [2021-04-28 22:25:01,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 219.75) internal successors, (879), 4 states have internal predecessors, (879), 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) [2021-04-28 22:25:01,072 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:25:01,072 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:25:01,072 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 22:25:01,072 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:25:01,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:25:01,073 INFO L82 PathProgramCache]: Analyzing trace with hash -699395725, now seen corresponding path program 1 times [2021-04-28 22:25:01,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:25:01,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049518178] [2021-04-28 22:25:01,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:25:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:25:01,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:01,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:25:01,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:01,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:25:01,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:01,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 22:25:01,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:01,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 22:25:01,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:25:01,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049518178] [2021-04-28 22:25:01,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:25:01,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:25:01,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994743702] [2021-04-28 22:25:01,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:25:01,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:25:01,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:25:01,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:25:01,313 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 355 [2021-04-28 22:25:01,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 52 transitions, 150 flow. Second operand has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 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) [2021-04-28 22:25:01,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:25:01,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 355 [2021-04-28 22:25:01,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:25:01,499 INFO L129 PetriNetUnfolder]: 25/153 cut-off events. [2021-04-28 22:25:01,499 INFO L130 PetriNetUnfolder]: For 99/99 co-relation queries the response was YES. [2021-04-28 22:25:01,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 153 events. 25/153 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 746 event pairs, 7 based on Foata normal form. 4/99 useless extension candidates. Maximal degree in co-relation 282. Up to 27 conditions per place. [2021-04-28 22:25:01,505 INFO L132 encePairwiseOnDemand]: 351/355 looper letters, 11 selfloop transitions, 4 changer transitions 0/56 dead transitions. [2021-04-28 22:25:01,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 56 transitions, 197 flow [2021-04-28 22:25:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:25:01,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:25:01,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 888 transitions. [2021-04-28 22:25:01,513 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6253521126760564 [2021-04-28 22:25:01,513 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 888 transitions. [2021-04-28 22:25:01,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 888 transitions. [2021-04-28 22:25:01,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:25:01,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 888 transitions. [2021-04-28 22:25:01,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 222.0) internal successors, (888), 4 states have internal predecessors, (888), 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) [2021-04-28 22:25:01,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 355.0) internal successors, (1775), 5 states have internal predecessors, (1775), 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) [2021-04-28 22:25:01,525 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 355.0) internal successors, (1775), 5 states have internal predecessors, (1775), 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) [2021-04-28 22:25:01,525 INFO L185 Difference]: Start difference. First operand has 62 places, 52 transitions, 150 flow. Second operand 4 states and 888 transitions. [2021-04-28 22:25:01,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 56 transitions, 197 flow [2021-04-28 22:25:01,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 56 transitions, 197 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:25:01,530 INFO L241 Difference]: Finished difference. Result has 66 places, 53 transitions, 170 flow [2021-04-28 22:25:01,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=170, PETRI_PLACES=66, PETRI_TRANSITIONS=53} [2021-04-28 22:25:01,530 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -82 predicate places. [2021-04-28 22:25:01,531 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:25:01,531 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 53 transitions, 170 flow [2021-04-28 22:25:01,531 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 53 transitions, 170 flow [2021-04-28 22:25:01,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 53 transitions, 170 flow [2021-04-28 22:25:01,562 INFO L129 PetriNetUnfolder]: 9/105 cut-off events. [2021-04-28 22:25:01,562 INFO L130 PetriNetUnfolder]: For 53/59 co-relation queries the response was YES. [2021-04-28 22:25:01,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 105 events. 9/105 cut-off events. For 53/59 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 468 event pairs, 3 based on Foata normal form. 1/63 useless extension candidates. Maximal degree in co-relation 180. Up to 20 conditions per place. [2021-04-28 22:25:01,566 INFO L146 LiptonReduction]: Number of co-enabled transitions 1622 [2021-04-28 22:25:02,330 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-04-28 22:25:02,594 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:25:03,910 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 106 DAG size of output: 83 [2021-04-28 22:25:04,418 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:25:05,164 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-04-28 22:25:05,419 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:25:06,609 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 106 DAG size of output: 83 [2021-04-28 22:25:07,078 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:25:07,090 INFO L158 LiptonReduction]: Checked pairs total: 1277 [2021-04-28 22:25:07,091 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 22:25:07,091 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5560 [2021-04-28 22:25:07,093 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 54 transitions, 181 flow [2021-04-28 22:25:07,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 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) [2021-04-28 22:25:07,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:25:07,094 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:25:07,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 22:25:07,095 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:25:07,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:25:07,095 INFO L82 PathProgramCache]: Analyzing trace with hash -666917645, now seen corresponding path program 1 times [2021-04-28 22:25:07,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:25:07,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143740192] [2021-04-28 22:25:07,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:25:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:25:07,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:07,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:25:07,185 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:25:07,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:25:07,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:07,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:25:07,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:25:07,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143740192] [2021-04-28 22:25:07,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:25:07,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:25:07,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388509176] [2021-04-28 22:25:07,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:25:07,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:25:07,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:25:07,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:25:07,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 357 [2021-04-28 22:25:07,222 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 54 transitions, 181 flow. Second operand has 4 states, 4 states have (on average 267.75) internal successors, (1071), 4 states have internal predecessors, (1071), 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) [2021-04-28 22:25:07,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:25:07,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 357 [2021-04-28 22:25:07,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:25:13,082 INFO L129 PetriNetUnfolder]: 30594/43698 cut-off events. [2021-04-28 22:25:13,082 INFO L130 PetriNetUnfolder]: For 5023/5731 co-relation queries the response was YES. [2021-04-28 22:25:13,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89284 conditions, 43698 events. 30594/43698 cut-off events. For 5023/5731 co-relation queries the response was YES. Maximal size of possible extension queue 8214. Compared 383943 event pairs, 17370 based on Foata normal form. 703/12810 useless extension candidates. Maximal degree in co-relation 89268. Up to 27667 conditions per place. [2021-04-28 22:25:13,431 INFO L132 encePairwiseOnDemand]: 337/357 looper letters, 34 selfloop transitions, 33 changer transitions 0/98 dead transitions. [2021-04-28 22:25:13,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 98 transitions, 403 flow [2021-04-28 22:25:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:25:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:25:13,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1401 transitions. [2021-04-28 22:25:13,439 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7848739495798319 [2021-04-28 22:25:13,440 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1401 transitions. [2021-04-28 22:25:13,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1401 transitions. [2021-04-28 22:25:13,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:25:13,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1401 transitions. [2021-04-28 22:25:13,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 280.2) internal successors, (1401), 5 states have internal predecessors, (1401), 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) [2021-04-28 22:25:13,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 357.0) internal successors, (2142), 6 states have internal predecessors, (2142), 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) [2021-04-28 22:25:13,453 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 357.0) internal successors, (2142), 6 states have internal predecessors, (2142), 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) [2021-04-28 22:25:13,453 INFO L185 Difference]: Start difference. First operand has 67 places, 54 transitions, 181 flow. Second operand 5 states and 1401 transitions. [2021-04-28 22:25:13,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 98 transitions, 403 flow [2021-04-28 22:25:13,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 98 transitions, 395 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:25:13,473 INFO L241 Difference]: Finished difference. Result has 72 places, 85 transitions, 419 flow [2021-04-28 22:25:13,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=419, PETRI_PLACES=72, PETRI_TRANSITIONS=85} [2021-04-28 22:25:13,473 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -76 predicate places. [2021-04-28 22:25:13,474 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:25:13,474 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 85 transitions, 419 flow [2021-04-28 22:25:13,474 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 85 transitions, 419 flow [2021-04-28 22:25:13,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 85 transitions, 419 flow [2021-04-28 22:25:17,028 INFO L129 PetriNetUnfolder]: 28089/40467 cut-off events. [2021-04-28 22:25:17,028 INFO L130 PetriNetUnfolder]: For 11511/36506 co-relation queries the response was YES. [2021-04-28 22:25:17,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117221 conditions, 40467 events. 28089/40467 cut-off events. For 11511/36506 co-relation queries the response was YES. Maximal size of possible extension queue 7407. Compared 357589 event pairs, 16781 based on Foata normal form. 0/11631 useless extension candidates. Maximal degree in co-relation 117204. Up to 38426 conditions per place. [2021-04-28 22:25:17,820 INFO L146 LiptonReduction]: Number of co-enabled transitions 2512 [2021-04-28 22:25:17,880 INFO L158 LiptonReduction]: Checked pairs total: 1155 [2021-04-28 22:25:17,880 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:25:17,880 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4406 [2021-04-28 22:25:17,883 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 85 transitions, 419 flow [2021-04-28 22:25:17,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 267.75) internal successors, (1071), 4 states have internal predecessors, (1071), 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) [2021-04-28 22:25:17,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:25:17,884 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:25:17,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 22:25:17,884 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:25:17,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:25:17,884 INFO L82 PathProgramCache]: Analyzing trace with hash -218292691, now seen corresponding path program 1 times [2021-04-28 22:25:17,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:25:17,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635899145] [2021-04-28 22:25:17,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:25:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:25:17,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:17,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:25:17,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:17,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:25:17,998 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:25:18,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:25:18,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:18,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:25:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:25:18,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635899145] [2021-04-28 22:25:18,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:25:18,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:25:18,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052778822] [2021-04-28 22:25:18,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:25:18,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:25:18,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:25:18,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:25:18,036 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 357 [2021-04-28 22:25:18,038 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 85 transitions, 419 flow. Second operand has 5 states, 5 states have (on average 267.8) internal successors, (1339), 5 states have internal predecessors, (1339), 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) [2021-04-28 22:25:18,038 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:25:18,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 357 [2021-04-28 22:25:18,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:25:23,705 INFO L129 PetriNetUnfolder]: 34860/51858 cut-off events. [2021-04-28 22:25:23,705 INFO L130 PetriNetUnfolder]: For 16417/114445 co-relation queries the response was YES. [2021-04-28 22:25:23,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200001 conditions, 51858 events. 34860/51858 cut-off events. For 16417/114445 co-relation queries the response was YES. Maximal size of possible extension queue 11142. Compared 479168 event pairs, 7614 based on Foata normal form. 757/16778 useless extension candidates. Maximal degree in co-relation 199982. Up to 48554 conditions per place. [2021-04-28 22:25:24,062 INFO L132 encePairwiseOnDemand]: 337/357 looper letters, 35 selfloop transitions, 64 changer transitions 0/130 dead transitions. [2021-04-28 22:25:24,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 130 transitions, 866 flow [2021-04-28 22:25:24,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 22:25:24,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 22:25:24,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1965 transitions. [2021-04-28 22:25:24,073 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7863145258103241 [2021-04-28 22:25:24,073 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1965 transitions. [2021-04-28 22:25:24,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1965 transitions. [2021-04-28 22:25:24,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:25:24,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1965 transitions. [2021-04-28 22:25:24,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 280.7142857142857) internal successors, (1965), 7 states have internal predecessors, (1965), 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) [2021-04-28 22:25:24,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 357.0) internal successors, (2856), 8 states have internal predecessors, (2856), 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) [2021-04-28 22:25:24,088 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 357.0) internal successors, (2856), 8 states have internal predecessors, (2856), 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) [2021-04-28 22:25:24,088 INFO L185 Difference]: Start difference. First operand has 72 places, 85 transitions, 419 flow. Second operand 7 states and 1965 transitions. [2021-04-28 22:25:24,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 130 transitions, 866 flow [2021-04-28 22:25:24,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 130 transitions, 866 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:25:24,249 INFO L241 Difference]: Finished difference. Result has 81 places, 116 transitions, 861 flow [2021-04-28 22:25:24,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=419, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=861, PETRI_PLACES=81, PETRI_TRANSITIONS=116} [2021-04-28 22:25:24,249 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -67 predicate places. [2021-04-28 22:25:24,250 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:25:24,250 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 116 transitions, 861 flow [2021-04-28 22:25:24,250 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 116 transitions, 861 flow [2021-04-28 22:25:24,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 116 transitions, 861 flow [2021-04-28 22:25:29,302 INFO L129 PetriNetUnfolder]: 33510/50757 cut-off events. [2021-04-28 22:25:29,302 INFO L130 PetriNetUnfolder]: For 39663/127525 co-relation queries the response was YES. [2021-04-28 22:25:29,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 241515 conditions, 50757 events. 33510/50757 cut-off events. For 39663/127525 co-relation queries the response was YES. Maximal size of possible extension queue 9870. Compared 484435 event pairs, 7995 based on Foata normal form. 3/14550 useless extension candidates. Maximal degree in co-relation 241493. Up to 48731 conditions per place. [2021-04-28 22:25:30,183 INFO L146 LiptonReduction]: Number of co-enabled transitions 3528 [2021-04-28 22:25:30,622 INFO L158 LiptonReduction]: Checked pairs total: 2157 [2021-04-28 22:25:30,622 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:25:30,622 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6373 [2021-04-28 22:25:30,623 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 116 transitions, 861 flow [2021-04-28 22:25:30,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 267.8) internal successors, (1339), 5 states have internal predecessors, (1339), 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) [2021-04-28 22:25:30,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:25:30,624 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:25:30,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:25:30,625 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:25:30,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:25:30,625 INFO L82 PathProgramCache]: Analyzing trace with hash -377052041, now seen corresponding path program 1 times [2021-04-28 22:25:30,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:25:30,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036556432] [2021-04-28 22:25:30,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:25:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:25:30,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:30,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:25:30,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:30,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:25:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:25:30,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036556432] [2021-04-28 22:25:30,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:25:30,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:25:30,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171376786] [2021-04-28 22:25:30,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:25:30,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:25:30,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:25:30,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:25:30,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 357 [2021-04-28 22:25:30,717 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 116 transitions, 861 flow. Second operand has 3 states, 3 states have (on average 256.0) internal successors, (768), 3 states have internal predecessors, (768), 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) [2021-04-28 22:25:30,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:25:30,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 357 [2021-04-28 22:25:30,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:25:39,397 INFO L129 PetriNetUnfolder]: 56111/82395 cut-off events. [2021-04-28 22:25:39,397 INFO L130 PetriNetUnfolder]: For 69646/313952 co-relation queries the response was YES. [2021-04-28 22:25:39,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 395057 conditions, 82395 events. 56111/82395 cut-off events. For 69646/313952 co-relation queries the response was YES. Maximal size of possible extension queue 17289. Compared 771513 event pairs, 14283 based on Foata normal form. 453/24051 useless extension candidates. Maximal degree in co-relation 395033. Up to 79994 conditions per place. [2021-04-28 22:25:40,151 INFO L132 encePairwiseOnDemand]: 354/357 looper letters, 3 selfloop transitions, 3 changer transitions 6/116 dead transitions. [2021-04-28 22:25:40,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 116 transitions, 873 flow [2021-04-28 22:25:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:25:40,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:25:40,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 771 transitions. [2021-04-28 22:25:40,157 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7198879551820728 [2021-04-28 22:25:40,157 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 771 transitions. [2021-04-28 22:25:40,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 771 transitions. [2021-04-28 22:25:40,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:25:40,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 771 transitions. [2021-04-28 22:25:40,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 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) [2021-04-28 22:25:40,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 357.0) internal successors, (1428), 4 states have internal predecessors, (1428), 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) [2021-04-28 22:25:40,164 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 357.0) internal successors, (1428), 4 states have internal predecessors, (1428), 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) [2021-04-28 22:25:40,164 INFO L185 Difference]: Start difference. First operand has 81 places, 116 transitions, 861 flow. Second operand 3 states and 771 transitions. [2021-04-28 22:25:40,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 116 transitions, 873 flow [2021-04-28 22:25:41,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 116 transitions, 711 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 22:25:41,707 INFO L241 Difference]: Finished difference. Result has 81 places, 110 transitions, 668 flow [2021-04-28 22:25:41,707 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=699, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=668, PETRI_PLACES=81, PETRI_TRANSITIONS=110} [2021-04-28 22:25:41,707 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -67 predicate places. [2021-04-28 22:25:41,707 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:25:41,708 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 110 transitions, 668 flow [2021-04-28 22:25:41,708 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 110 transitions, 668 flow [2021-04-28 22:25:41,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 110 transitions, 668 flow [2021-04-28 22:25:49,628 INFO L129 PetriNetUnfolder]: 52579/79733 cut-off events. [2021-04-28 22:25:49,628 INFO L130 PetriNetUnfolder]: For 79209/88365 co-relation queries the response was YES. [2021-04-28 22:25:49,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 368821 conditions, 79733 events. 52579/79733 cut-off events. For 79209/88365 co-relation queries the response was YES. Maximal size of possible extension queue 16927. Compared 810699 event pairs, 14667 based on Foata normal form. 3/22690 useless extension candidates. Maximal degree in co-relation 368799. Up to 72292 conditions per place. [2021-04-28 22:25:50,751 INFO L146 LiptonReduction]: Number of co-enabled transitions 3382 [2021-04-28 22:25:51,912 INFO L158 LiptonReduction]: Checked pairs total: 2037 [2021-04-28 22:25:51,913 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:25:51,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10206 [2021-04-28 22:25:51,914 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 110 transitions, 668 flow [2021-04-28 22:25:51,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 256.0) internal successors, (768), 3 states have internal predecessors, (768), 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) [2021-04-28 22:25:51,915 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:25:51,915 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:25:51,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 22:25:51,915 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:25:51,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:25:51,915 INFO L82 PathProgramCache]: Analyzing trace with hash -860919859, now seen corresponding path program 1 times [2021-04-28 22:25:51,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:25:51,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748067974] [2021-04-28 22:25:51,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:25:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:25:52,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:52,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:25:52,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:52,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:25:52,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:52,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:25:52,110 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:25:52,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:25:52,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:25:52,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:25:52,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:25:52,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748067974] [2021-04-28 22:25:52,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:25:52,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:25:52,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235132773] [2021-04-28 22:25:52,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:25:52,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:25:52,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:25:52,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:25:52,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 357 [2021-04-28 22:25:52,150 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 110 transitions, 668 flow. Second operand has 6 states, 6 states have (on average 267.8333333333333) internal successors, (1607), 6 states have internal predecessors, (1607), 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) [2021-04-28 22:25:52,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:25:52,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 357 [2021-04-28 22:25:52,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:26:02,065 INFO L129 PetriNetUnfolder]: 54470/85302 cut-off events. [2021-04-28 22:26:02,065 INFO L130 PetriNetUnfolder]: For 87633/282106 co-relation queries the response was YES. [2021-04-28 22:26:02,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 476952 conditions, 85302 events. 54470/85302 cut-off events. For 87633/282106 co-relation queries the response was YES. Maximal size of possible extension queue 19074. Compared 881890 event pairs, 2592 based on Foata normal form. 1213/27339 useless extension candidates. Maximal degree in co-relation 476928. Up to 76657 conditions per place. [2021-04-28 22:26:02,853 INFO L132 encePairwiseOnDemand]: 337/357 looper letters, 24 selfloop transitions, 86 changer transitions 15/156 dead transitions. [2021-04-28 22:26:02,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 156 transitions, 1327 flow [2021-04-28 22:26:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 22:26:02,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 22:26:02,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2523 transitions. [2021-04-28 22:26:02,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7852474323062558 [2021-04-28 22:26:02,866 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2523 transitions. [2021-04-28 22:26:02,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2523 transitions. [2021-04-28 22:26:02,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:26:02,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2523 transitions. [2021-04-28 22:26:02,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 280.3333333333333) internal successors, (2523), 9 states have internal predecessors, (2523), 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) [2021-04-28 22:26:02,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 357.0) internal successors, (3570), 10 states have internal predecessors, (3570), 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) [2021-04-28 22:26:02,886 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 357.0) internal successors, (3570), 10 states have internal predecessors, (3570), 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) [2021-04-28 22:26:02,886 INFO L185 Difference]: Start difference. First operand has 81 places, 110 transitions, 668 flow. Second operand 9 states and 2523 transitions. [2021-04-28 22:26:02,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 156 transitions, 1327 flow [2021-04-28 22:26:04,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 156 transitions, 1322 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 22:26:04,243 INFO L241 Difference]: Finished difference. Result has 91 places, 138 transitions, 1202 flow [2021-04-28 22:26:04,243 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1202, PETRI_PLACES=91, PETRI_TRANSITIONS=138} [2021-04-28 22:26:04,243 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -57 predicate places. [2021-04-28 22:26:04,243 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:26:04,244 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 138 transitions, 1202 flow [2021-04-28 22:26:04,244 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 138 transitions, 1202 flow [2021-04-28 22:26:04,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 138 transitions, 1202 flow [2021-04-28 22:26:11,281 INFO L129 PetriNetUnfolder]: 29220/58659 cut-off events. [2021-04-28 22:26:11,281 INFO L130 PetriNetUnfolder]: For 132869/168223 co-relation queries the response was YES. [2021-04-28 22:26:11,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356810 conditions, 58659 events. 29220/58659 cut-off events. For 132869/168223 co-relation queries the response was YES. Maximal size of possible extension queue 13715. Compared 800307 event pairs, 2592 based on Foata normal form. 4/16944 useless extension candidates. Maximal degree in co-relation 356784. Up to 50866 conditions per place. [2021-04-28 22:26:12,073 INFO L146 LiptonReduction]: Number of co-enabled transitions 3804 [2021-04-28 22:26:13,476 INFO L158 LiptonReduction]: Checked pairs total: 2955 [2021-04-28 22:26:13,476 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:26:13,476 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9233 [2021-04-28 22:26:13,477 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 138 transitions, 1202 flow [2021-04-28 22:26:13,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 267.8333333333333) internal successors, (1607), 6 states have internal predecessors, (1607), 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) [2021-04-28 22:26:13,478 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:26:13,478 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:26:13,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 22:26:13,478 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:26:13,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:26:13,479 INFO L82 PathProgramCache]: Analyzing trace with hash -359386107, now seen corresponding path program 1 times [2021-04-28 22:26:13,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:26:13,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360188744] [2021-04-28 22:26:13,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:26:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:26:13,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:26:13,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:26:13,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:26:13,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:26:13,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:26:13,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:26:13,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:26:13,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360188744] [2021-04-28 22:26:13,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:26:13,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:26:13,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987872301] [2021-04-28 22:26:13,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:26:13,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:26:13,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:26:13,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:26:13,558 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 357 [2021-04-28 22:26:13,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 138 transitions, 1202 flow. Second operand has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2021-04-28 22:26:13,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:26:13,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 357 [2021-04-28 22:26:13,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:26:29,521 INFO L129 PetriNetUnfolder]: 56964/112178 cut-off events. [2021-04-28 22:26:29,521 INFO L130 PetriNetUnfolder]: For 294435/506687 co-relation queries the response was YES. [2021-04-28 22:26:30,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 682544 conditions, 112178 events. 56964/112178 cut-off events. For 294435/506687 co-relation queries the response was YES. Maximal size of possible extension queue 28584. Compared 1589405 event pairs, 5184 based on Foata normal form. 328/32580 useless extension candidates. Maximal degree in co-relation 682516. Up to 97156 conditions per place. [2021-04-28 22:26:30,257 INFO L132 encePairwiseOnDemand]: 354/357 looper letters, 4 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2021-04-28 22:26:30,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 140 transitions, 1228 flow [2021-04-28 22:26:30,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:26:30,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:26:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 999 transitions. [2021-04-28 22:26:30,264 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6995798319327731 [2021-04-28 22:26:30,264 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 999 transitions. [2021-04-28 22:26:30,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 999 transitions. [2021-04-28 22:26:30,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:26:30,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 999 transitions. [2021-04-28 22:26:30,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 249.75) internal successors, (999), 4 states have internal predecessors, (999), 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) [2021-04-28 22:26:30,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 357.0) internal successors, (1785), 5 states have internal predecessors, (1785), 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) [2021-04-28 22:26:30,272 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 357.0) internal successors, (1785), 5 states have internal predecessors, (1785), 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) [2021-04-28 22:26:30,272 INFO L185 Difference]: Start difference. First operand has 91 places, 138 transitions, 1202 flow. Second operand 4 states and 999 transitions. [2021-04-28 22:26:30,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 140 transitions, 1228 flow [2021-04-28 22:30:24,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 140 transitions, 929 flow, removed 96 selfloop flow, removed 5 redundant places. [2021-04-28 22:30:24,320 INFO L241 Difference]: Finished difference. Result has 91 places, 139 transitions, 916 flow [2021-04-28 22:30:24,321 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=916, PETRI_PLACES=91, PETRI_TRANSITIONS=139} [2021-04-28 22:30:24,321 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -57 predicate places. [2021-04-28 22:30:24,321 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:30:24,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 139 transitions, 916 flow [2021-04-28 22:30:24,321 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 139 transitions, 916 flow [2021-04-28 22:30:24,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 139 transitions, 916 flow [2021-04-28 22:30:39,501 INFO L129 PetriNetUnfolder]: 57378/113788 cut-off events. [2021-04-28 22:30:39,501 INFO L130 PetriNetUnfolder]: For 193162/232442 co-relation queries the response was YES. [2021-04-28 22:30:40,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 499915 conditions, 113788 events. 57378/113788 cut-off events. For 193162/232442 co-relation queries the response was YES. Maximal size of possible extension queue 28053. Compared 1655530 event pairs, 5184 based on Foata normal form. 32/32260 useless extension candidates. Maximal degree in co-relation 499888. Up to 62668 conditions per place. [2021-04-28 22:30:41,322 INFO L146 LiptonReduction]: Number of co-enabled transitions 3900 [2021-04-28 22:32:30,407 INFO L158 LiptonReduction]: Checked pairs total: 2508 [2021-04-28 22:32:30,408 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:32:30,408 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 126087 [2021-04-28 22:32:30,409 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 139 transitions, 916 flow [2021-04-28 22:32:30,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2021-04-28 22:32:30,409 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:32:30,409 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:32:30,409 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 22:32:30,409 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:32:30,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:32:30,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1455074266, now seen corresponding path program 1 times [2021-04-28 22:32:30,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:32:30,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869228445] [2021-04-28 22:32:30,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:32:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:32:30,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:32:30,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:32:30,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:32:30,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:32:30,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:32:30,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:32:30,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:32:30,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:32:30,544 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:32:30,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:32:30,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:32:30,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:32:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:32:30,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869228445] [2021-04-28 22:32:30,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:32:30,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 22:32:30,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860073095] [2021-04-28 22:32:30,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 22:32:30,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:32:30,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 22:32:30,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 22:32:30,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 357 [2021-04-28 22:32:30,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 139 transitions, 916 flow. Second operand has 7 states, 7 states have (on average 267.85714285714283) internal successors, (1875), 7 states have internal predecessors, (1875), 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) [2021-04-28 22:32:30,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:32:30,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 357 [2021-04-28 22:32:30,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:32:49,210 INFO L129 PetriNetUnfolder]: 54786/113519 cut-off events. [2021-04-28 22:32:49,211 INFO L130 PetriNetUnfolder]: For 199156/689910 co-relation queries the response was YES. [2021-04-28 22:32:49,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 593169 conditions, 113519 events. 54786/113519 cut-off events. For 199156/689910 co-relation queries the response was YES. Maximal size of possible extension queue 28485. Compared 1688336 event pairs, 0 based on Foata normal form. 1978/35168 useless extension candidates. Maximal degree in co-relation 593140. Up to 59617 conditions per place. [2021-04-28 22:32:49,884 INFO L132 encePairwiseOnDemand]: 337/357 looper letters, 6 selfloop transitions, 104 changer transitions 20/162 dead transitions. [2021-04-28 22:32:49,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 162 transitions, 1391 flow [2021-04-28 22:32:49,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 22:32:49,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 22:32:49,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3060 transitions. [2021-04-28 22:32:49,896 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7792207792207793 [2021-04-28 22:32:49,896 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3060 transitions. [2021-04-28 22:32:49,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3060 transitions. [2021-04-28 22:32:49,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:32:49,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3060 transitions. [2021-04-28 22:32:49,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 278.1818181818182) internal successors, (3060), 11 states have internal predecessors, (3060), 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) [2021-04-28 22:32:49,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 357.0) internal successors, (4284), 12 states have internal predecessors, (4284), 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) [2021-04-28 22:32:49,919 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 357.0) internal successors, (4284), 12 states have internal predecessors, (4284), 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) [2021-04-28 22:32:49,919 INFO L185 Difference]: Start difference. First operand has 91 places, 139 transitions, 916 flow. Second operand 11 states and 3060 transitions. [2021-04-28 22:32:49,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 162 transitions, 1391 flow [2021-04-28 22:34:55,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 162 transitions, 1384 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-04-28 22:34:55,094 INFO L241 Difference]: Finished difference. Result has 103 places, 139 transitions, 1170 flow [2021-04-28 22:34:55,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1170, PETRI_PLACES=103, PETRI_TRANSITIONS=139} [2021-04-28 22:34:55,094 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -45 predicate places. [2021-04-28 22:34:55,095 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:34:55,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 139 transitions, 1170 flow [2021-04-28 22:34:55,095 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 139 transitions, 1170 flow [2021-04-28 22:34:55,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 139 transitions, 1170 flow [2021-04-28 22:35:04,774 INFO L129 PetriNetUnfolder]: 36210/73666 cut-off events. [2021-04-28 22:35:04,775 INFO L130 PetriNetUnfolder]: For 108061/194345 co-relation queries the response was YES. [2021-04-28 22:35:05,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 336690 conditions, 73666 events. 36210/73666 cut-off events. For 108061/194345 co-relation queries the response was YES. Maximal size of possible extension queue 21598. Compared 1055916 event pairs, 0 based on Foata normal form. 1/19163 useless extension candidates. Maximal degree in co-relation 336659. Up to 50814 conditions per place. [2021-04-28 22:35:05,917 INFO L146 LiptonReduction]: Number of co-enabled transitions 3798 [2021-04-28 22:35:49,973 INFO L158 LiptonReduction]: Checked pairs total: 2433 [2021-04-28 22:35:49,973 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:35:49,974 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54879 [2021-04-28 22:35:49,975 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 139 transitions, 1170 flow [2021-04-28 22:35:49,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 267.85714285714283) internal successors, (1875), 7 states have internal predecessors, (1875), 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) [2021-04-28 22:35:49,976 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:35:49,976 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:35:49,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 22:35:49,977 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:35:49,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:35:49,977 INFO L82 PathProgramCache]: Analyzing trace with hash 956242848, now seen corresponding path program 1 times [2021-04-28 22:35:49,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:35:49,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049689937] [2021-04-28 22:35:49,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:35:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:35:50,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:35:50,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:35:50,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:35:50,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:35:50,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:35:50,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:35:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:35:50,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049689937] [2021-04-28 22:35:50,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:35:50,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:35:50,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704841360] [2021-04-28 22:35:50,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:35:50,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:35:50,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:35:50,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:35:50,068 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 357 [2021-04-28 22:35:50,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 139 transitions, 1170 flow. Second operand has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 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) [2021-04-28 22:35:50,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:35:50,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 357 [2021-04-28 22:35:50,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-04-28 22:36:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:36:06,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 22:36:06,058 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-28 22:36:06,077 WARN L224 ceAbstractionStarter]: Timeout [2021-04-28 22:36:06,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 10:36:06 BasicIcfg [2021-04-28 22:36:06,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 22:36:06,082 INFO L168 Benchmark]: Toolchain (without parser) took 813700.45 ms. Allocated memory was 302.0 MB in the beginning and 15.3 GB in the end (delta: 15.0 GB). Free memory was 277.2 MB in the beginning and 8.0 GB in the end (delta: -7.7 GB). Peak memory consumption was 8.4 GB. Max. memory is 16.0 GB. [2021-04-28 22:36:06,083 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 22:36:06,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.19 ms. Allocated memory is still 302.0 MB. Free memory was 274.0 MB in the beginning and 279.8 MB in the end (delta: -5.8 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. [2021-04-28 22:36:06,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.73 ms. Allocated memory is still 302.0 MB. Free memory was 279.8 MB in the beginning and 276.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 22:36:06,083 INFO L168 Benchmark]: Boogie Preprocessor took 90.85 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 274.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 22:36:06,085 INFO L168 Benchmark]: RCFGBuilder took 2610.92 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 274.6 MB in the beginning and 296.5 MB in the end (delta: -21.9 MB). Peak memory consumption was 172.1 MB. Max. memory is 16.0 GB. [2021-04-28 22:36:06,087 INFO L168 Benchmark]: TraceAbstraction took 810110.82 ms. Allocated memory was 362.8 MB in the beginning and 15.3 GB in the end (delta: 15.0 GB). Free memory was 296.5 MB in the beginning and 8.0 GB in the end (delta: -7.7 GB). Peak memory consumption was 8.3 GB. Max. memory is 16.0 GB. [2021-04-28 22:36:06,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 726.19 ms. Allocated memory is still 302.0 MB. Free memory was 274.0 MB in the beginning and 279.8 MB in the end (delta: -5.8 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 103.73 ms. Allocated memory is still 302.0 MB. Free memory was 279.8 MB in the beginning and 276.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 90.85 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 274.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2610.92 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 274.6 MB in the beginning and 296.5 MB in the end (delta: -21.9 MB). Peak memory consumption was 172.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 810110.82 ms. Allocated memory was 362.8 MB in the beginning and 15.3 GB in the end (delta: 15.0 GB). Free memory was 296.5 MB in the beginning and 8.0 GB in the end (delta: -7.7 GB). Peak memory consumption was 8.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 142426.6ms, 120 PlacesBefore, 148 PlacesAfterwards, 109 TransitionsBefore, 137 TransitionsAfterwards, 2406 CoEnabledTransitionPairs, 9 FixpointIterations, 149 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 242 TotalNumberOfCompositions, 23607 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5334, positive: 4999, positive conditional: 4999, positive unconditional: 0, negative: 335, negative conditional: 335, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2524, positive: 2461, positive conditional: 0, positive unconditional: 2461, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2524, positive: 2461, positive conditional: 0, positive unconditional: 2461, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2524, positive: 2409, positive conditional: 0, positive unconditional: 2409, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 115, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1872, positive: 205, positive conditional: 0, positive unconditional: 205, negative: 1667, negative conditional: 0, negative unconditional: 1667, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5334, positive: 2538, positive conditional: 2538, positive unconditional: 0, negative: 272, negative conditional: 272, negative unconditional: 0, unknown: 2524, unknown conditional: 2524, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2524, Positive cache size: 2461, Positive conditional cache size: 2461, Positive unconditional cache size: 0, Negative cache size: 63, Negative conditional cache size: 63, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 396.5ms, 143 PlacesBefore, 57 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 1278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1274 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 480, positive: 442, positive conditional: 442, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 174, positive: 163, positive conditional: 8, positive unconditional: 155, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 174, positive: 163, positive conditional: 8, positive unconditional: 155, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 174, positive: 153, positive conditional: 0, positive unconditional: 153, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 375, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 292, negative conditional: 70, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 480, positive: 279, positive conditional: 279, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 174, unknown conditional: 174, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2698, Positive cache size: 2624, Positive conditional cache size: 2624, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.4ms, 58 PlacesBefore, 58 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 1388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1056 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 309, positive: 278, positive conditional: 278, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 5, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 5, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 309, positive: 268, positive conditional: 268, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2708, Positive cache size: 2634, Positive conditional cache size: 2634, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 338.1ms, 62 PlacesBefore, 62 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 1580 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 661 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 145, positive: 127, positive conditional: 127, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 34, positive conditional: 18, positive unconditional: 16, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, positive: 34, positive conditional: 18, positive unconditional: 16, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 308, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 256, negative conditional: 74, negative unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 145, positive: 93, positive conditional: 93, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2748, Positive cache size: 2668, Positive conditional cache size: 2668, Positive unconditional cache size: 0, Negative cache size: 80, Negative conditional cache size: 80, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5559.6ms, 66 PlacesBefore, 67 PlacesAfterwards, 53 TransitionsBefore, 54 TransitionsAfterwards, 1622 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1277 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 459, positive: 427, positive conditional: 427, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49, positive: 48, positive conditional: 47, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 49, positive: 48, positive conditional: 47, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 49, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 459, positive: 379, positive conditional: 379, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2797, Positive cache size: 2716, Positive conditional cache size: 2716, Positive unconditional cache size: 0, Negative cache size: 81, Negative conditional cache size: 81, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4406.3ms, 72 PlacesBefore, 72 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 2512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1155 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 284, positive: 266, positive conditional: 266, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 53, positive conditional: 26, positive unconditional: 27, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 53, positive: 53, positive conditional: 26, positive unconditional: 27, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 53, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 284, positive: 213, positive conditional: 213, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2850, Positive cache size: 2769, Positive conditional cache size: 2769, Positive unconditional cache size: 0, Negative cache size: 81, Negative conditional cache size: 81, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6371.8ms, 81 PlacesBefore, 81 PlacesAfterwards, 116 TransitionsBefore, 116 TransitionsAfterwards, 3528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2157 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 579, positive: 555, positive conditional: 555, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82, positive: 82, positive conditional: 55, positive unconditional: 27, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 82, positive: 82, positive conditional: 55, positive unconditional: 27, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 82, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 579, positive: 473, positive conditional: 473, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 82, unknown conditional: 82, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2932, Positive cache size: 2851, Positive conditional cache size: 2851, Positive unconditional cache size: 0, Negative cache size: 81, Negative conditional cache size: 81, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10204.6ms, 81 PlacesBefore, 81 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 3382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2037 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 609, positive: 585, positive conditional: 585, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, positive: 57, positive conditional: 56, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 57, positive: 57, positive conditional: 56, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 57, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 609, positive: 528, positive conditional: 528, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 57, unknown conditional: 57, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2989, Positive cache size: 2908, Positive conditional cache size: 2908, Positive unconditional cache size: 0, Negative cache size: 81, Negative conditional cache size: 81, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9232.0ms, 91 PlacesBefore, 91 PlacesAfterwards, 138 TransitionsBefore, 138 TransitionsAfterwards, 3804 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2955 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 793, positive: 763, positive conditional: 763, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121, positive: 120, positive conditional: 104, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 121, positive: 120, positive conditional: 104, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 121, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 793, positive: 643, positive conditional: 643, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 121, unknown conditional: 121, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3110, Positive cache size: 3028, Positive conditional cache size: 3028, Positive unconditional cache size: 0, Negative cache size: 82, Negative conditional cache size: 82, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 126086.1ms, 91 PlacesBefore, 91 PlacesAfterwards, 139 TransitionsBefore, 139 TransitionsAfterwards, 3900 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2508 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1787, positive: 1762, positive conditional: 1762, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 106, positive: 106, positive conditional: 99, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 106, positive: 106, positive conditional: 99, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 106, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1787, positive: 1656, positive conditional: 1656, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 106, unknown conditional: 106, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3216, Positive cache size: 3134, Positive conditional cache size: 3134, Positive unconditional cache size: 0, Negative cache size: 82, Negative conditional cache size: 82, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54878.4ms, 103 PlacesBefore, 101 PlacesAfterwards, 139 TransitionsBefore, 139 TransitionsAfterwards, 3798 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2433 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1469, positive: 1444, positive conditional: 1444, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 93, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 93, positive: 93, positive conditional: 91, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 93, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1469, positive: 1351, positive conditional: 1351, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 93, unknown conditional: 93, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3309, Positive cache size: 3227, Positive conditional cache size: 3227, Positive unconditional cache size: 0, Negative cache size: 82, Negative conditional cache size: 82, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 18). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (4states, 243/357 universal loopers) in iteration 11,while PetriNetUnfolder was constructing finite prefix that currently has 372965 conditions, 84309 events (56778/84308 cut-off events. For 198161/929880 co-relation queries the response was YES. Maximal size of possible extension queue 37944. Compared 936380 event pairs, 0 based on Foata normal form. 3/27820 useless extension candidates. Maximal degree in co-relation 372941. Up to 49746 conditions per place.). - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 18). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (4states, 243/357 universal loopers) in iteration 11,while PetriNetUnfolder was constructing finite prefix that currently has 372965 conditions, 84309 events (56778/84308 cut-off events. For 198161/929880 co-relation queries the response was YES. Maximal size of possible extension queue 37944. Compared 936380 event pairs, 0 based on Foata normal form. 3/27820 useless extension candidates. Maximal degree in co-relation 372941. Up to 49746 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 112 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 19.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 809937.5ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 447880.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 142550.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 58 SDtfs, 101 SDslu, 24 SDs, 0 SdLazy, 647 SolverSat, 259 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1370.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 652.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1202occurred in iteration=8, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 52.6ms SsaConstructionTime, 475.7ms SatisfiabilityAnalysisTime, 1195.3ms InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 700 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown !SESSION 2021-04-28 22:22:28.621 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.10 java.vendor=AdoptOpenJDK BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_GB Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix055_pso.opt.i Command-line arguments: -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix055_pso.opt.i !ENTRY org.eclipse.osgi 4 0 2021-04-28 22:36:06.381 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f0f45a9a/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f0f45a9a/.metadata/.log.