/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:36:05,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:36:05,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:36:05,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:36:05,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:36:05,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:36:05,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:36:05,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:36:05,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:36:05,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:36:05,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:36:05,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:36:05,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:36:05,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:36:05,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:36:05,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:36:05,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:36:05,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:36:05,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:36:05,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:36:05,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:36:05,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:36:05,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:36:05,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:36:05,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:36:05,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:36:05,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:36:05,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:36:05,595 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 10:36:05,758 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:36:05,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:36:05,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:36:05,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:36:05,759 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:36:05,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:36:05,760 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:36:05,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:36:05,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:36:05,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:36:05,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:36:05,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:36:05,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:36:05,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:36:05,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:36:05,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:36:05,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:36:05,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:36:05,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:36:05,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:36:05,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:36:05,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:36:05,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:36:05,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:36:05,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:36:05,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:36:05,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:36:05,763 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:36:05,763 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:36:05,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:36:05,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:36:06,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:36:06,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:36:06,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:36:06,073 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:36:06,074 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:36:06,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i [2021-03-26 10:36:06,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1dac248a/720a626c42274e9b9b21e52c61658020/FLAG7d4e487fe [2021-03-26 10:36:06,699 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:36:06,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i [2021-03-26 10:36:06,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1dac248a/720a626c42274e9b9b21e52c61658020/FLAG7d4e487fe [2021-03-26 10:36:07,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1dac248a/720a626c42274e9b9b21e52c61658020 [2021-03-26 10:36:07,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:36:07,113 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:36:07,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:36:07,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:36:07,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:36:07,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:36:07" (1/1) ... [2021-03-26 10:36:07,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625961c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07, skipping insertion in model container [2021-03-26 10:36:07,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:36:07" (1/1) ... [2021-03-26 10:36:07,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:36:07,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:36:07,320 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/safe019_pso.opt.i[949,962] [2021-03-26 10:36:07,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:36:07,497 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:36:07,507 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/safe019_pso.opt.i[949,962] [2021-03-26 10:36:07,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:36:07,628 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:36:07,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07 WrapperNode [2021-03-26 10:36:07,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:36:07,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:36:07,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:36:07,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:36:07,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07" (1/1) ... [2021-03-26 10:36:07,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07" (1/1) ... [2021-03-26 10:36:07,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:36:07,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:36:07,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:36:07,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:36:07,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07" (1/1) ... [2021-03-26 10:36:07,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07" (1/1) ... [2021-03-26 10:36:07,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07" (1/1) ... [2021-03-26 10:36:07,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07" (1/1) ... [2021-03-26 10:36:07,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07" (1/1) ... [2021-03-26 10:36:07,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07" (1/1) ... [2021-03-26 10:36:07,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07" (1/1) ... [2021-03-26 10:36:07,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:36:07,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:36:07,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:36:07,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:36:07,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07" (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 [2021-03-26 10:36:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:36:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:36:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:36:07,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:36:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:36:07,806 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:36:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:36:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:36:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:36:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:36:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 10:36:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 10:36:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:36:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:36:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:36:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:36:07,809 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 10:36:08,259 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:36:08,260 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-26 10:36:08,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:36:08 BoogieIcfgContainer [2021-03-26 10:36:08,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:36:08,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:36:08,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:36:08,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:36:08,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:36:07" (1/3) ... [2021-03-26 10:36:08,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6f6e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:36:08, skipping insertion in model container [2021-03-26 10:36:08,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:36:07" (2/3) ... [2021-03-26 10:36:08,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6f6e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:36:08, skipping insertion in model container [2021-03-26 10:36:08,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:36:08" (3/3) ... [2021-03-26 10:36:08,269 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.opt.i [2021-03-26 10:36:08,275 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:36:08,279 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 10:36:08,279 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:36:08,312 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,312 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,313 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,313 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,313 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,313 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,315 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,315 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,315 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,315 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,323 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,323 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,324 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,324 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,324 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,326 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,326 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,326 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,326 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,326 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,327 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,327 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,327 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,327 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,327 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,327 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,327 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,329 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,330 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,334 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,334 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,334 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,334 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,338 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,338 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,340 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,340 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,341 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:36:08,343 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:36:08,358 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 10:36:08,374 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:36:08,374 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:36:08,374 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:36:08,375 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:36:08,375 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:36:08,375 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:36:08,375 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:36:08,375 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:36:08,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 86 transitions, 192 flow [2021-03-26 10:36:08,427 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-03-26 10:36:08,427 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:36:08,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2021-03-26 10:36:08,431 INFO L82 GeneralOperation]: Start removeDead. Operand has 97 places, 86 transitions, 192 flow [2021-03-26 10:36:08,434 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 68 transitions, 148 flow [2021-03-26 10:36:08,436 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:08,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 68 transitions, 148 flow [2021-03-26 10:36:08,450 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 68 transitions, 148 flow [2021-03-26 10:36:08,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 68 transitions, 148 flow [2021-03-26 10:36:08,466 INFO L129 PetriNetUnfolder]: 1/68 cut-off events. [2021-03-26 10:36:08,466 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:36:08,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 68 events. 1/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2021-03-26 10:36:08,469 INFO L142 LiptonReduction]: Number of co-enabled transitions 1250 [2021-03-26 10:36:09,933 INFO L154 LiptonReduction]: Checked pairs total: 1269 [2021-03-26 10:36:09,934 INFO L156 LiptonReduction]: Total number of compositions: 43 [2021-03-26 10:36:09,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1502 [2021-03-26 10:36:09,955 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-26 10:36:09,955 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:36:09,956 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:36:09,956 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:36:09,957 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:36:09,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:36:09,964 INFO L82 PathProgramCache]: Analyzing trace with hash 2002329809, now seen corresponding path program 1 times [2021-03-26 10:36:09,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:36:09,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112438133] [2021-03-26 10:36:09,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:36:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:36:10,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:10,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:36:10,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:10,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:10,213 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:36:10,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:36:10,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:36:10,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112438133] [2021-03-26 10:36:10,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:36:10,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:36:10,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647617663] [2021-03-26 10:36:10,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:36:10,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:36:10,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:36:10,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:36:10,257 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 129 [2021-03-26 10:36:10,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 25 transitions, 62 flow. Second operand has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 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) [2021-03-26 10:36:10,263 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:36:10,263 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 129 [2021-03-26 10:36:10,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:36:10,329 INFO L129 PetriNetUnfolder]: 36/115 cut-off events. [2021-03-26 10:36:10,329 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:36:10,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 115 events. 36/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 460 event pairs, 24 based on Foata normal form. 5/109 useless extension candidates. Maximal degree in co-relation 188. Up to 59 conditions per place. [2021-03-26 10:36:10,335 INFO L132 encePairwiseOnDemand]: 123/129 looper letters, 9 selfloop transitions, 5 changer transitions 0/30 dead transitions. [2021-03-26 10:36:10,335 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 30 transitions, 100 flow [2021-03-26 10:36:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:36:10,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:36:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 432 transitions. [2021-03-26 10:36:10,346 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8372093023255814 [2021-03-26 10:36:10,347 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 432 transitions. [2021-03-26 10:36:10,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 432 transitions. [2021-03-26 10:36:10,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:36:10,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 432 transitions. [2021-03-26 10:36:10,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 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) [2021-03-26 10:36:10,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 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) [2021-03-26 10:36:10,361 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 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) [2021-03-26 10:36:10,363 INFO L185 Difference]: Start difference. First operand has 38 places, 25 transitions, 62 flow. Second operand 4 states and 432 transitions. [2021-03-26 10:36:10,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 30 transitions, 100 flow [2021-03-26 10:36:10,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 96 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 10:36:10,367 INFO L241 Difference]: Finished difference. Result has 40 places, 28 transitions, 94 flow [2021-03-26 10:36:10,369 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=94, PETRI_PLACES=40, PETRI_TRANSITIONS=28} [2021-03-26 10:36:10,369 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 2 predicate places. [2021-03-26 10:36:10,370 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:10,370 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 28 transitions, 94 flow [2021-03-26 10:36:10,370 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 28 transitions, 94 flow [2021-03-26 10:36:10,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 28 transitions, 94 flow [2021-03-26 10:36:10,387 INFO L129 PetriNetUnfolder]: 19/82 cut-off events. [2021-03-26 10:36:10,387 INFO L130 PetriNetUnfolder]: For 20/22 co-relation queries the response was YES. [2021-03-26 10:36:10,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 82 events. 19/82 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 319 event pairs, 10 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 153. Up to 34 conditions per place. [2021-03-26 10:36:10,388 INFO L142 LiptonReduction]: Number of co-enabled transitions 226 [2021-03-26 10:36:10,859 INFO L154 LiptonReduction]: Checked pairs total: 278 [2021-03-26 10:36:10,859 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 10:36:10,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 490 [2021-03-26 10:36:10,860 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 24 transitions, 86 flow [2021-03-26 10:36:10,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 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) [2021-03-26 10:36:10,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:36:10,861 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:36:10,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:36:10,861 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:36:10,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:36:10,862 INFO L82 PathProgramCache]: Analyzing trace with hash 233500185, now seen corresponding path program 1 times [2021-03-26 10:36:10,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:36:10,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658417909] [2021-03-26 10:36:10,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:36:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:36:10,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:10,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:36:10,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:10,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:10,953 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:36:10,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:36:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:36:10,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658417909] [2021-03-26 10:36:10,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:36:10,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:36:10,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942945878] [2021-03-26 10:36:10,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:36:10,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:36:10,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:36:10,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:36:10,967 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 133 [2021-03-26 10:36:10,968 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 24 transitions, 86 flow. Second operand has 4 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 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) [2021-03-26 10:36:10,968 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:36:10,968 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 133 [2021-03-26 10:36:10,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:36:11,004 INFO L129 PetriNetUnfolder]: 28/99 cut-off events. [2021-03-26 10:36:11,005 INFO L130 PetriNetUnfolder]: For 61/101 co-relation queries the response was YES. [2021-03-26 10:36:11,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 265 conditions, 99 events. 28/99 cut-off events. For 61/101 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 392 event pairs, 7 based on Foata normal form. 4/96 useless extension candidates. Maximal degree in co-relation 251. Up to 46 conditions per place. [2021-03-26 10:36:11,006 INFO L132 encePairwiseOnDemand]: 125/133 looper letters, 7 selfloop transitions, 9 changer transitions 0/29 dead transitions. [2021-03-26 10:36:11,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 29 transitions, 142 flow [2021-03-26 10:36:11,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:36:11,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:36:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 435 transitions. [2021-03-26 10:36:11,012 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8176691729323309 [2021-03-26 10:36:11,012 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 435 transitions. [2021-03-26 10:36:11,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 435 transitions. [2021-03-26 10:36:11,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:36:11,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 435 transitions. [2021-03-26 10:36:11,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.75) internal successors, (435), 4 states have internal predecessors, (435), 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) [2021-03-26 10:36:11,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 133.0) internal successors, (665), 5 states have internal predecessors, (665), 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) [2021-03-26 10:36:11,018 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 133.0) internal successors, (665), 5 states have internal predecessors, (665), 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) [2021-03-26 10:36:11,019 INFO L185 Difference]: Start difference. First operand has 36 places, 24 transitions, 86 flow. Second operand 4 states and 435 transitions. [2021-03-26 10:36:11,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 29 transitions, 142 flow [2021-03-26 10:36:11,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 138 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:36:11,021 INFO L241 Difference]: Finished difference. Result has 40 places, 26 transitions, 127 flow [2021-03-26 10:36:11,022 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=40, PETRI_TRANSITIONS=26} [2021-03-26 10:36:11,022 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 2 predicate places. [2021-03-26 10:36:11,022 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:11,023 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 26 transitions, 127 flow [2021-03-26 10:36:11,023 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 26 transitions, 127 flow [2021-03-26 10:36:11,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 26 transitions, 127 flow [2021-03-26 10:36:11,034 INFO L129 PetriNetUnfolder]: 21/81 cut-off events. [2021-03-26 10:36:11,034 INFO L130 PetriNetUnfolder]: For 79/87 co-relation queries the response was YES. [2021-03-26 10:36:11,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 81 events. 21/81 cut-off events. For 79/87 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 308 event pairs, 12 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 216. Up to 35 conditions per place. [2021-03-26 10:36:11,037 INFO L142 LiptonReduction]: Number of co-enabled transitions 216 [2021-03-26 10:36:11,189 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-03-26 10:36:11,395 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-03-26 10:36:11,459 INFO L154 LiptonReduction]: Checked pairs total: 234 [2021-03-26 10:36:11,459 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:36:11,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 437 [2021-03-26 10:36:11,460 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 25 transitions, 123 flow [2021-03-26 10:36:11,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 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) [2021-03-26 10:36:11,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:36:11,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:36:11,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:36:11,461 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:36:11,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:36:11,462 INFO L82 PathProgramCache]: Analyzing trace with hash -466507060, now seen corresponding path program 1 times [2021-03-26 10:36:11,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:36:11,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773263689] [2021-03-26 10:36:11,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:36:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:36:11,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:11,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:36:11,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:11,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:11,508 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:36:11,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:36:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:36:11,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773263689] [2021-03-26 10:36:11,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:36:11,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:36:11,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990778709] [2021-03-26 10:36:11,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:36:11,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:36:11,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:36:11,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:36:11,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 134 [2021-03-26 10:36:11,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 25 transitions, 123 flow. Second operand has 4 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 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) [2021-03-26 10:36:11,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:36:11,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 134 [2021-03-26 10:36:11,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:36:11,545 INFO L129 PetriNetUnfolder]: 22/83 cut-off events. [2021-03-26 10:36:11,546 INFO L130 PetriNetUnfolder]: For 117/202 co-relation queries the response was YES. [2021-03-26 10:36:11,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 83 events. 22/83 cut-off events. For 117/202 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 307 event pairs, 2 based on Foata normal form. 4/81 useless extension candidates. Maximal degree in co-relation 266. Up to 38 conditions per place. [2021-03-26 10:36:11,547 INFO L132 encePairwiseOnDemand]: 128/134 looper letters, 8 selfloop transitions, 10 changer transitions 0/31 dead transitions. [2021-03-26 10:36:11,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 31 transitions, 197 flow [2021-03-26 10:36:11,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:36:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:36:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 436 transitions. [2021-03-26 10:36:11,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8134328358208955 [2021-03-26 10:36:11,549 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 436 transitions. [2021-03-26 10:36:11,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 436 transitions. [2021-03-26 10:36:11,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:36:11,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 436 transitions. [2021-03-26 10:36:11,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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) [2021-03-26 10:36:11,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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) [2021-03-26 10:36:11,552 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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) [2021-03-26 10:36:11,553 INFO L185 Difference]: Start difference. First operand has 39 places, 25 transitions, 123 flow. Second operand 4 states and 436 transitions. [2021-03-26 10:36:11,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 31 transitions, 197 flow [2021-03-26 10:36:11,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 31 transitions, 181 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 10:36:11,555 INFO L241 Difference]: Finished difference. Result has 41 places, 28 transitions, 159 flow [2021-03-26 10:36:11,555 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=159, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2021-03-26 10:36:11,556 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 3 predicate places. [2021-03-26 10:36:11,556 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:11,556 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 159 flow [2021-03-26 10:36:11,556 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 159 flow [2021-03-26 10:36:11,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 28 transitions, 159 flow [2021-03-26 10:36:11,563 INFO L129 PetriNetUnfolder]: 15/68 cut-off events. [2021-03-26 10:36:11,563 INFO L130 PetriNetUnfolder]: For 101/115 co-relation queries the response was YES. [2021-03-26 10:36:11,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 68 events. 15/68 cut-off events. For 101/115 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 250 event pairs, 5 based on Foata normal form. 1/66 useless extension candidates. Maximal degree in co-relation 201. Up to 27 conditions per place. [2021-03-26 10:36:11,582 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-26 10:36:11,585 INFO L154 LiptonReduction]: Checked pairs total: 160 [2021-03-26 10:36:11,585 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:36:11,585 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-26 10:36:11,586 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 28 transitions, 159 flow [2021-03-26 10:36:11,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 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) [2021-03-26 10:36:11,587 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:36:11,587 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:36:11,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:36:11,587 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:36:11,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:36:11,588 INFO L82 PathProgramCache]: Analyzing trace with hash 463810323, now seen corresponding path program 1 times [2021-03-26 10:36:11,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:36:11,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127468633] [2021-03-26 10:36:11,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:36:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:36:11,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:11,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:11,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:11,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:11,633 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:36:11,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:36:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:36:11,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127468633] [2021-03-26 10:36:11,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:36:11,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:36:11,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616464126] [2021-03-26 10:36:11,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:36:11,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:36:11,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:36:11,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:36:11,645 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 134 [2021-03-26 10:36:11,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 159 flow. Second operand has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 states have internal predecessors, (530), 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) [2021-03-26 10:36:11,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:36:11,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 134 [2021-03-26 10:36:11,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:36:11,684 INFO L129 PetriNetUnfolder]: 22/99 cut-off events. [2021-03-26 10:36:11,687 INFO L130 PetriNetUnfolder]: For 181/290 co-relation queries the response was YES. [2021-03-26 10:36:11,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 99 events. 22/99 cut-off events. For 181/290 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 438 event pairs, 8 based on Foata normal form. 11/104 useless extension candidates. Maximal degree in co-relation 338. Up to 37 conditions per place. [2021-03-26 10:36:11,689 INFO L132 encePairwiseOnDemand]: 128/134 looper letters, 8 selfloop transitions, 7 changer transitions 8/36 dead transitions. [2021-03-26 10:36:11,689 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 36 transitions, 254 flow [2021-03-26 10:36:11,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:36:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:36:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 543 transitions. [2021-03-26 10:36:11,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8104477611940298 [2021-03-26 10:36:11,691 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 543 transitions. [2021-03-26 10:36:11,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 543 transitions. [2021-03-26 10:36:11,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:36:11,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 543 transitions. [2021-03-26 10:36:11,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 108.6) internal successors, (543), 5 states have internal predecessors, (543), 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) [2021-03-26 10:36:11,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 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) [2021-03-26 10:36:11,695 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 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) [2021-03-26 10:36:11,695 INFO L185 Difference]: Start difference. First operand has 41 places, 28 transitions, 159 flow. Second operand 5 states and 543 transitions. [2021-03-26 10:36:11,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 36 transitions, 254 flow [2021-03-26 10:36:11,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 36 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:36:11,700 INFO L241 Difference]: Finished difference. Result has 45 places, 26 transitions, 152 flow [2021-03-26 10:36:11,700 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=152, PETRI_PLACES=45, PETRI_TRANSITIONS=26} [2021-03-26 10:36:11,700 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places. [2021-03-26 10:36:11,701 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:11,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 26 transitions, 152 flow [2021-03-26 10:36:11,702 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 26 transitions, 152 flow [2021-03-26 10:36:11,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 26 transitions, 152 flow [2021-03-26 10:36:11,708 INFO L129 PetriNetUnfolder]: 10/53 cut-off events. [2021-03-26 10:36:11,708 INFO L130 PetriNetUnfolder]: For 123/127 co-relation queries the response was YES. [2021-03-26 10:36:11,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 53 events. 10/53 cut-off events. For 123/127 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 171 event pairs, 3 based on Foata normal form. 1/54 useless extension candidates. Maximal degree in co-relation 168. Up to 21 conditions per place. [2021-03-26 10:36:11,709 INFO L142 LiptonReduction]: Number of co-enabled transitions 182 [2021-03-26 10:36:11,716 INFO L154 LiptonReduction]: Checked pairs total: 152 [2021-03-26 10:36:11,716 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:36:11,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-26 10:36:11,721 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 26 transitions, 152 flow [2021-03-26 10:36:11,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 states have internal predecessors, (530), 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) [2021-03-26 10:36:11,723 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:36:11,723 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:36:11,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:36:11,728 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:36:11,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:36:11,729 INFO L82 PathProgramCache]: Analyzing trace with hash -492853645, now seen corresponding path program 1 times [2021-03-26 10:36:11,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:36:11,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115837847] [2021-03-26 10:36:11,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:36:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:36:11,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:11,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:36:11,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:11,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:11,809 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:36:11,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:36:11,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:36:11,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115837847] [2021-03-26 10:36:11,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:36:11,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:36:11,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213526379] [2021-03-26 10:36:11,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:36:11,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:36:11,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:36:11,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:36:11,822 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 134 [2021-03-26 10:36:11,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 26 transitions, 152 flow. Second operand has 4 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 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) [2021-03-26 10:36:11,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:36:11,823 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 134 [2021-03-26 10:36:11,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:36:11,850 INFO L129 PetriNetUnfolder]: 8/60 cut-off events. [2021-03-26 10:36:11,850 INFO L130 PetriNetUnfolder]: For 170/187 co-relation queries the response was YES. [2021-03-26 10:36:11,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 60 events. 8/60 cut-off events. For 170/187 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 193 event pairs, 1 based on Foata normal form. 12/72 useless extension candidates. Maximal degree in co-relation 206. Up to 22 conditions per place. [2021-03-26 10:36:11,851 INFO L132 encePairwiseOnDemand]: 129/134 looper letters, 8 selfloop transitions, 7 changer transitions 1/29 dead transitions. [2021-03-26 10:36:11,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 29 transitions, 203 flow [2021-03-26 10:36:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:36:11,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:36:11,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-03-26 10:36:11,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8078358208955224 [2021-03-26 10:36:11,855 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 433 transitions. [2021-03-26 10:36:11,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 433 transitions. [2021-03-26 10:36:11,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:36:11,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 433 transitions. [2021-03-26 10:36:11,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 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) [2021-03-26 10:36:11,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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) [2021-03-26 10:36:11,858 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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) [2021-03-26 10:36:11,859 INFO L185 Difference]: Start difference. First operand has 45 places, 26 transitions, 152 flow. Second operand 4 states and 433 transitions. [2021-03-26 10:36:11,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 29 transitions, 203 flow [2021-03-26 10:36:11,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 29 transitions, 172 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 10:36:11,861 INFO L241 Difference]: Finished difference. Result has 45 places, 27 transitions, 156 flow [2021-03-26 10:36:11,861 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=156, PETRI_PLACES=45, PETRI_TRANSITIONS=27} [2021-03-26 10:36:11,861 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places. [2021-03-26 10:36:11,862 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:11,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 27 transitions, 156 flow [2021-03-26 10:36:11,862 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 27 transitions, 156 flow [2021-03-26 10:36:11,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 27 transitions, 156 flow [2021-03-26 10:36:11,868 INFO L129 PetriNetUnfolder]: 5/54 cut-off events. [2021-03-26 10:36:11,868 INFO L130 PetriNetUnfolder]: For 110/113 co-relation queries the response was YES. [2021-03-26 10:36:11,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 54 events. 5/54 cut-off events. For 110/113 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 176 event pairs, 3 based on Foata normal form. 2/56 useless extension candidates. Maximal degree in co-relation 154. Up to 16 conditions per place. [2021-03-26 10:36:11,869 INFO L142 LiptonReduction]: Number of co-enabled transitions 182 [2021-03-26 10:36:11,872 INFO L154 LiptonReduction]: Checked pairs total: 103 [2021-03-26 10:36:11,872 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:36:11,872 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 10:36:11,874 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 27 transitions, 156 flow [2021-03-26 10:36:11,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 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) [2021-03-26 10:36:11,874 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:36:11,874 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:36:11,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:36:11,875 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:36:11,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:36:11,876 INFO L82 PathProgramCache]: Analyzing trace with hash 276880125, now seen corresponding path program 2 times [2021-03-26 10:36:11,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:36:11,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105813133] [2021-03-26 10:36:11,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:36:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:36:11,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:11,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:11,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:11,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:36:11,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105813133] [2021-03-26 10:36:11,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:36:11,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:36:11,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537233299] [2021-03-26 10:36:11,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:36:11,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:36:11,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:36:11,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:36:11,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 134 [2021-03-26 10:36:11,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 27 transitions, 156 flow. Second operand has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 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) [2021-03-26 10:36:11,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:36:11,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 134 [2021-03-26 10:36:11,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:36:11,983 INFO L129 PetriNetUnfolder]: 16/100 cut-off events. [2021-03-26 10:36:11,983 INFO L130 PetriNetUnfolder]: For 302/302 co-relation queries the response was YES. [2021-03-26 10:36:11,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 100 events. 16/100 cut-off events. For 302/302 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 480 event pairs, 2 based on Foata normal form. 8/107 useless extension candidates. Maximal degree in co-relation 308. Up to 29 conditions per place. [2021-03-26 10:36:11,984 INFO L132 encePairwiseOnDemand]: 130/134 looper letters, 5 selfloop transitions, 4 changer transitions 4/33 dead transitions. [2021-03-26 10:36:11,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 33 transitions, 219 flow [2021-03-26 10:36:11,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:36:11,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:36:11,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 462 transitions. [2021-03-26 10:36:11,986 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8619402985074627 [2021-03-26 10:36:11,987 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 462 transitions. [2021-03-26 10:36:11,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 462 transitions. [2021-03-26 10:36:11,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:36:11,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 462 transitions. [2021-03-26 10:36:11,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 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) [2021-03-26 10:36:11,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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) [2021-03-26 10:36:11,990 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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) [2021-03-26 10:36:11,990 INFO L185 Difference]: Start difference. First operand has 45 places, 27 transitions, 156 flow. Second operand 4 states and 462 transitions. [2021-03-26 10:36:11,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 33 transitions, 219 flow [2021-03-26 10:36:11,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 33 transitions, 193 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-26 10:36:11,992 INFO L241 Difference]: Finished difference. Result has 47 places, 27 transitions, 152 flow [2021-03-26 10:36:11,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=152, PETRI_PLACES=47, PETRI_TRANSITIONS=27} [2021-03-26 10:36:11,993 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 9 predicate places. [2021-03-26 10:36:11,993 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:11,993 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 27 transitions, 152 flow [2021-03-26 10:36:11,993 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 27 transitions, 152 flow [2021-03-26 10:36:11,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 27 transitions, 152 flow [2021-03-26 10:36:11,999 INFO L129 PetriNetUnfolder]: 5/53 cut-off events. [2021-03-26 10:36:11,999 INFO L130 PetriNetUnfolder]: For 114/114 co-relation queries the response was YES. [2021-03-26 10:36:12,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 53 events. 5/53 cut-off events. For 114/114 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 165 event pairs, 2 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 150. Up to 16 conditions per place. [2021-03-26 10:36:12,001 INFO L142 LiptonReduction]: Number of co-enabled transitions 160 [2021-03-26 10:36:12,003 INFO L154 LiptonReduction]: Checked pairs total: 91 [2021-03-26 10:36:12,003 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:36:12,003 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 10:36:12,007 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 27 transitions, 152 flow [2021-03-26 10:36:12,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 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) [2021-03-26 10:36:12,008 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:36:12,008 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:36:12,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:36:12,008 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:36:12,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:36:12,009 INFO L82 PathProgramCache]: Analyzing trace with hash -250262607, now seen corresponding path program 1 times [2021-03-26 10:36:12,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:36:12,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568001094] [2021-03-26 10:36:12,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:36:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:36:12,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:36:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:36:12,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568001094] [2021-03-26 10:36:12,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:36:12,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:36:12,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402430082] [2021-03-26 10:36:12,069 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:36:12,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:36:12,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:36:12,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:36:12,071 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 134 [2021-03-26 10:36:12,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 27 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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) [2021-03-26 10:36:12,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:36:12,073 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 134 [2021-03-26 10:36:12,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:36:12,122 INFO L129 PetriNetUnfolder]: 203/389 cut-off events. [2021-03-26 10:36:12,122 INFO L130 PetriNetUnfolder]: For 432/439 co-relation queries the response was YES. [2021-03-26 10:36:12,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 958 conditions, 389 events. 203/389 cut-off events. For 432/439 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 2069 event pairs, 106 based on Foata normal form. 3/336 useless extension candidates. Maximal degree in co-relation 938. Up to 326 conditions per place. [2021-03-26 10:36:12,125 INFO L132 encePairwiseOnDemand]: 128/134 looper letters, 5 selfloop transitions, 5 changer transitions 0/31 dead transitions. [2021-03-26 10:36:12,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 31 transitions, 180 flow [2021-03-26 10:36:12,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:36:12,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:36:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 341 transitions. [2021-03-26 10:36:12,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8482587064676617 [2021-03-26 10:36:12,127 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 341 transitions. [2021-03-26 10:36:12,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 341 transitions. [2021-03-26 10:36:12,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:36:12,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 341 transitions. [2021-03-26 10:36:12,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2021-03-26 10:36:12,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2021-03-26 10:36:12,129 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2021-03-26 10:36:12,129 INFO L185 Difference]: Start difference. First operand has 47 places, 27 transitions, 152 flow. Second operand 3 states and 341 transitions. [2021-03-26 10:36:12,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 31 transitions, 180 flow [2021-03-26 10:36:12,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 31 transitions, 160 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-03-26 10:36:12,131 INFO L241 Difference]: Finished difference. Result has 45 places, 31 transitions, 165 flow [2021-03-26 10:36:12,131 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=45, PETRI_TRANSITIONS=31} [2021-03-26 10:36:12,132 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places. [2021-03-26 10:36:12,132 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:12,132 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 31 transitions, 165 flow [2021-03-26 10:36:12,132 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 31 transitions, 165 flow [2021-03-26 10:36:12,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 31 transitions, 165 flow [2021-03-26 10:36:12,154 INFO L129 PetriNetUnfolder]: 176/341 cut-off events. [2021-03-26 10:36:12,154 INFO L130 PetriNetUnfolder]: For 172/178 co-relation queries the response was YES. [2021-03-26 10:36:12,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 807 conditions, 341 events. 176/341 cut-off events. For 172/178 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 1812 event pairs, 92 based on Foata normal form. 1/298 useless extension candidates. Maximal degree in co-relation 791. Up to 279 conditions per place. [2021-03-26 10:36:12,158 INFO L142 LiptonReduction]: Number of co-enabled transitions 200 [2021-03-26 10:36:12,161 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:36:12,162 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:36:12,162 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-26 10:36:12,162 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 31 transitions, 165 flow [2021-03-26 10:36:12,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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) [2021-03-26 10:36:12,163 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:36:12,163 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:36:12,163 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:36:12,163 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:36:12,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:36:12,164 INFO L82 PathProgramCache]: Analyzing trace with hash 830977235, now seen corresponding path program 1 times [2021-03-26 10:36:12,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:36:12,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380609395] [2021-03-26 10:36:12,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:36:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:36:12,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:36:12,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:36:12,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380609395] [2021-03-26 10:36:12,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:36:12,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:36:12,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703758623] [2021-03-26 10:36:12,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:36:12,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:36:12,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:36:12,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:36:12,221 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 134 [2021-03-26 10:36:12,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 31 transitions, 165 flow. Second operand has 4 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 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) [2021-03-26 10:36:12,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:36:12,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 134 [2021-03-26 10:36:12,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:36:12,263 INFO L129 PetriNetUnfolder]: 135/290 cut-off events. [2021-03-26 10:36:12,264 INFO L130 PetriNetUnfolder]: For 205/376 co-relation queries the response was YES. [2021-03-26 10:36:12,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 290 events. 135/290 cut-off events. For 205/376 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1426 event pairs, 33 based on Foata normal form. 46/315 useless extension candidates. Maximal degree in co-relation 912. Up to 235 conditions per place. [2021-03-26 10:36:12,266 INFO L132 encePairwiseOnDemand]: 128/134 looper letters, 5 selfloop transitions, 9 changer transitions 0/35 dead transitions. [2021-03-26 10:36:12,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 35 transitions, 209 flow [2021-03-26 10:36:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:36:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:36:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 455 transitions. [2021-03-26 10:36:12,268 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8488805970149254 [2021-03-26 10:36:12,268 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 455 transitions. [2021-03-26 10:36:12,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 455 transitions. [2021-03-26 10:36:12,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:36:12,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 455 transitions. [2021-03-26 10:36:12,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 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) [2021-03-26 10:36:12,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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) [2021-03-26 10:36:12,271 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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) [2021-03-26 10:36:12,271 INFO L185 Difference]: Start difference. First operand has 45 places, 31 transitions, 165 flow. Second operand 4 states and 455 transitions. [2021-03-26 10:36:12,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 35 transitions, 209 flow [2021-03-26 10:36:12,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 35 transitions, 204 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:36:12,273 INFO L241 Difference]: Finished difference. Result has 48 places, 35 transitions, 212 flow [2021-03-26 10:36:12,273 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=212, PETRI_PLACES=48, PETRI_TRANSITIONS=35} [2021-03-26 10:36:12,273 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 10 predicate places. [2021-03-26 10:36:12,273 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:12,274 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 35 transitions, 212 flow [2021-03-26 10:36:12,274 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 35 transitions, 212 flow [2021-03-26 10:36:12,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 35 transitions, 212 flow [2021-03-26 10:36:12,291 INFO L129 PetriNetUnfolder]: 120/253 cut-off events. [2021-03-26 10:36:12,291 INFO L130 PetriNetUnfolder]: For 194/360 co-relation queries the response was YES. [2021-03-26 10:36:12,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 836 conditions, 253 events. 120/253 cut-off events. For 194/360 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1266 event pairs, 29 based on Foata normal form. 4/236 useless extension candidates. Maximal degree in co-relation 818. Up to 206 conditions per place. [2021-03-26 10:36:12,294 INFO L142 LiptonReduction]: Number of co-enabled transitions 240 [2021-03-26 10:36:12,303 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:36:12,303 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:36:12,303 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-26 10:36:12,304 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 35 transitions, 212 flow [2021-03-26 10:36:12,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 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) [2021-03-26 10:36:12,304 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:36:12,304 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:36:12,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:36:12,305 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:36:12,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:36:12,305 INFO L82 PathProgramCache]: Analyzing trace with hash 701304892, now seen corresponding path program 1 times [2021-03-26 10:36:12,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:36:12,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541753596] [2021-03-26 10:36:12,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:36:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:36:12,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:36:12,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:36:12,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541753596] [2021-03-26 10:36:12,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:36:12,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:36:12,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367542325] [2021-03-26 10:36:12,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:36:12,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:36:12,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:36:12,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:36:12,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 134 [2021-03-26 10:36:12,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 35 transitions, 212 flow. Second operand has 5 states, 5 states have (on average 110.8) internal successors, (554), 5 states have internal predecessors, (554), 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) [2021-03-26 10:36:12,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:36:12,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 134 [2021-03-26 10:36:12,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:36:12,406 INFO L129 PetriNetUnfolder]: 79/186 cut-off events. [2021-03-26 10:36:12,407 INFO L130 PetriNetUnfolder]: For 263/564 co-relation queries the response was YES. [2021-03-26 10:36:12,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 186 events. 79/186 cut-off events. For 263/564 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 799 event pairs, 5 based on Foata normal form. 90/263 useless extension candidates. Maximal degree in co-relation 762. Up to 151 conditions per place. [2021-03-26 10:36:12,408 INFO L132 encePairwiseOnDemand]: 128/134 looper letters, 5 selfloop transitions, 13 changer transitions 0/39 dead transitions. [2021-03-26 10:36:12,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 39 transitions, 272 flow [2021-03-26 10:36:12,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:36:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:36:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 569 transitions. [2021-03-26 10:36:12,410 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8492537313432836 [2021-03-26 10:36:12,410 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 569 transitions. [2021-03-26 10:36:12,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 569 transitions. [2021-03-26 10:36:12,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:36:12,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 569 transitions. [2021-03-26 10:36:12,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 113.8) internal successors, (569), 5 states have internal predecessors, (569), 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) [2021-03-26 10:36:12,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 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) [2021-03-26 10:36:12,415 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 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) [2021-03-26 10:36:12,415 INFO L185 Difference]: Start difference. First operand has 48 places, 35 transitions, 212 flow. Second operand 5 states and 569 transitions. [2021-03-26 10:36:12,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 39 transitions, 272 flow [2021-03-26 10:36:12,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 39 transitions, 254 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-26 10:36:12,419 INFO L241 Difference]: Finished difference. Result has 51 places, 39 transitions, 262 flow [2021-03-26 10:36:12,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=262, PETRI_PLACES=51, PETRI_TRANSITIONS=39} [2021-03-26 10:36:12,419 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 13 predicate places. [2021-03-26 10:36:12,419 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:12,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 39 transitions, 262 flow [2021-03-26 10:36:12,420 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 39 transitions, 262 flow [2021-03-26 10:36:12,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 39 transitions, 262 flow [2021-03-26 10:36:12,435 INFO L129 PetriNetUnfolder]: 71/164 cut-off events. [2021-03-26 10:36:12,435 INFO L130 PetriNetUnfolder]: For 245/345 co-relation queries the response was YES. [2021-03-26 10:36:12,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 164 events. 71/164 cut-off events. For 245/345 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 709 event pairs, 5 based on Foata normal form. 10/162 useless extension candidates. Maximal degree in co-relation 630. Up to 120 conditions per place. [2021-03-26 10:36:12,437 INFO L142 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-26 10:36:12,442 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:36:12,442 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:36:12,442 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-26 10:36:12,443 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 39 transitions, 262 flow [2021-03-26 10:36:12,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 110.8) internal successors, (554), 5 states have internal predecessors, (554), 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) [2021-03-26 10:36:12,444 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:36:12,444 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:36:12,444 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:36:12,444 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:36:12,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:36:12,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1718705999, now seen corresponding path program 1 times [2021-03-26 10:36:12,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:36:12,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810093330] [2021-03-26 10:36:12,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:36:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:36:12,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:36:12,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:36:12,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810093330] [2021-03-26 10:36:12,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:36:12,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:36:12,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164755702] [2021-03-26 10:36:12,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:36:12,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:36:12,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:36:12,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:36:12,493 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 134 [2021-03-26 10:36:12,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 39 transitions, 262 flow. Second operand has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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) [2021-03-26 10:36:12,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:36:12,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 134 [2021-03-26 10:36:12,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:36:12,525 INFO L129 PetriNetUnfolder]: 94/215 cut-off events. [2021-03-26 10:36:12,525 INFO L130 PetriNetUnfolder]: For 394/545 co-relation queries the response was YES. [2021-03-26 10:36:12,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 868 conditions, 215 events. 94/215 cut-off events. For 394/545 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 978 event pairs, 6 based on Foata normal form. 19/217 useless extension candidates. Maximal degree in co-relation 847. Up to 165 conditions per place. [2021-03-26 10:36:12,528 INFO L132 encePairwiseOnDemand]: 130/134 looper letters, 5 selfloop transitions, 5 changer transitions 0/39 dead transitions. [2021-03-26 10:36:12,528 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 39 transitions, 282 flow [2021-03-26 10:36:12,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:36:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:36:12,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 569 transitions. [2021-03-26 10:36:12,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8492537313432836 [2021-03-26 10:36:12,529 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 569 transitions. [2021-03-26 10:36:12,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 569 transitions. [2021-03-26 10:36:12,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:36:12,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 569 transitions. [2021-03-26 10:36:12,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 113.8) internal successors, (569), 5 states have internal predecessors, (569), 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) [2021-03-26 10:36:12,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 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) [2021-03-26 10:36:12,532 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 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) [2021-03-26 10:36:12,533 INFO L185 Difference]: Start difference. First operand has 51 places, 39 transitions, 262 flow. Second operand 5 states and 569 transitions. [2021-03-26 10:36:12,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 39 transitions, 282 flow [2021-03-26 10:36:12,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 39 transitions, 248 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-26 10:36:12,536 INFO L241 Difference]: Finished difference. Result has 53 places, 39 transitions, 241 flow [2021-03-26 10:36:12,537 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=241, PETRI_PLACES=53, PETRI_TRANSITIONS=39} [2021-03-26 10:36:12,537 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 15 predicate places. [2021-03-26 10:36:12,537 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:12,537 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 39 transitions, 241 flow [2021-03-26 10:36:12,537 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 39 transitions, 241 flow [2021-03-26 10:36:12,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 39 transitions, 241 flow [2021-03-26 10:36:12,554 INFO L129 PetriNetUnfolder]: 89/201 cut-off events. [2021-03-26 10:36:12,554 INFO L130 PetriNetUnfolder]: For 293/368 co-relation queries the response was YES. [2021-03-26 10:36:12,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 645 conditions, 201 events. 89/201 cut-off events. For 293/368 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 969 event pairs, 6 based on Foata normal form. 12/196 useless extension candidates. Maximal degree in co-relation 626. Up to 107 conditions per place. [2021-03-26 10:36:12,556 INFO L142 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-26 10:36:12,560 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:36:12,561 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:36:12,561 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-26 10:36:12,563 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 39 transitions, 241 flow [2021-03-26 10:36:12,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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) [2021-03-26 10:36:12,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:36:12,564 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:36:12,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:36:12,564 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:36:12,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:36:12,564 INFO L82 PathProgramCache]: Analyzing trace with hash -919527697, now seen corresponding path program 2 times [2021-03-26 10:36:12,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:36:12,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682590921] [2021-03-26 10:36:12,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:36:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:36:12,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:36:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:36:12,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682590921] [2021-03-26 10:36:12,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:36:12,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:36:12,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253493294] [2021-03-26 10:36:12,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:36:12,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:36:12,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:36:12,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:36:12,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 134 [2021-03-26 10:36:12,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 39 transitions, 241 flow. Second operand has 6 states, 6 states have (on average 110.83333333333333) internal successors, (665), 6 states have internal predecessors, (665), 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) [2021-03-26 10:36:12,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:36:12,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 134 [2021-03-26 10:36:12,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:36:12,687 INFO L129 PetriNetUnfolder]: 77/172 cut-off events. [2021-03-26 10:36:12,688 INFO L130 PetriNetUnfolder]: For 388/840 co-relation queries the response was YES. [2021-03-26 10:36:12,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 648 conditions, 172 events. 77/172 cut-off events. For 388/840 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 706 event pairs, 1 based on Foata normal form. 120/274 useless extension candidates. Maximal degree in co-relation 627. Up to 75 conditions per place. [2021-03-26 10:36:12,689 INFO L132 encePairwiseOnDemand]: 128/134 looper letters, 1 selfloop transitions, 17 changer transitions 5/39 dead transitions. [2021-03-26 10:36:12,689 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 39 transitions, 277 flow [2021-03-26 10:36:12,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:36:12,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:36:12,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 679 transitions. [2021-03-26 10:36:12,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8445273631840796 [2021-03-26 10:36:12,691 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 679 transitions. [2021-03-26 10:36:12,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 679 transitions. [2021-03-26 10:36:12,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:36:12,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 679 transitions. [2021-03-26 10:36:12,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 113.16666666666667) internal successors, (679), 6 states have internal predecessors, (679), 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) [2021-03-26 10:36:12,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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) [2021-03-26 10:36:12,695 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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) [2021-03-26 10:36:12,695 INFO L185 Difference]: Start difference. First operand has 53 places, 39 transitions, 241 flow. Second operand 6 states and 679 transitions. [2021-03-26 10:36:12,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 39 transitions, 277 flow [2021-03-26 10:36:12,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 39 transitions, 254 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-03-26 10:36:12,697 INFO L241 Difference]: Finished difference. Result has 54 places, 34 transitions, 230 flow [2021-03-26 10:36:12,698 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=230, PETRI_PLACES=54, PETRI_TRANSITIONS=34} [2021-03-26 10:36:12,698 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 16 predicate places. [2021-03-26 10:36:12,698 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:12,698 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 34 transitions, 230 flow [2021-03-26 10:36:12,698 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 34 transitions, 230 flow [2021-03-26 10:36:12,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 34 transitions, 230 flow [2021-03-26 10:36:12,705 INFO L129 PetriNetUnfolder]: 38/90 cut-off events. [2021-03-26 10:36:12,705 INFO L130 PetriNetUnfolder]: For 150/173 co-relation queries the response was YES. [2021-03-26 10:36:12,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 90 events. 38/90 cut-off events. For 150/173 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 284 event pairs, 1 based on Foata normal form. 1/84 useless extension candidates. Maximal degree in co-relation 319. Up to 38 conditions per place. [2021-03-26 10:36:12,706 INFO L142 LiptonReduction]: Number of co-enabled transitions 138 [2021-03-26 10:36:12,879 INFO L154 LiptonReduction]: Checked pairs total: 32 [2021-03-26 10:36:12,879 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 10:36:12,879 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 181 [2021-03-26 10:36:12,882 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 32 transitions, 237 flow [2021-03-26 10:36:12,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 110.83333333333333) internal successors, (665), 6 states have internal predecessors, (665), 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) [2021-03-26 10:36:12,884 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:36:12,884 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] [2021-03-26 10:36:12,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:36:12,884 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:36:12,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:36:12,885 INFO L82 PathProgramCache]: Analyzing trace with hash 2075286018, now seen corresponding path program 1 times [2021-03-26 10:36:12,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:36:12,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62434873] [2021-03-26 10:36:12,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:36:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:36:12,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:36:12,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:36:12,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:36:12,949 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:36:12,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:36:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:36:12,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62434873] [2021-03-26 10:36:12,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:36:12,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:36:12,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454766078] [2021-03-26 10:36:12,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:36:12,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:36:12,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:36:12,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:36:12,958 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 139 [2021-03-26 10:36:12,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 32 transitions, 237 flow. Second operand has 4 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 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) [2021-03-26 10:36:12,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:36:12,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 139 [2021-03-26 10:36:12,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:36:12,990 INFO L129 PetriNetUnfolder]: 49/120 cut-off events. [2021-03-26 10:36:12,990 INFO L130 PetriNetUnfolder]: For 347/387 co-relation queries the response was YES. [2021-03-26 10:36:12,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 120 events. 49/120 cut-off events. For 347/387 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 464 event pairs, 0 based on Foata normal form. 9/125 useless extension candidates. Maximal degree in co-relation 464. Up to 49 conditions per place. [2021-03-26 10:36:12,991 INFO L132 encePairwiseOnDemand]: 131/139 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2021-03-26 10:36:12,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 32 transitions, 251 flow [2021-03-26 10:36:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:36:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:36:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 516 transitions. [2021-03-26 10:36:12,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7424460431654676 [2021-03-26 10:36:12,992 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 516 transitions. [2021-03-26 10:36:12,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 516 transitions. [2021-03-26 10:36:12,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:36:12,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 516 transitions. [2021-03-26 10:36:12,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 103.2) internal successors, (516), 5 states have internal predecessors, (516), 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) [2021-03-26 10:36:12,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 139.0) internal successors, (834), 6 states have internal predecessors, (834), 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) [2021-03-26 10:36:12,996 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 139.0) internal successors, (834), 6 states have internal predecessors, (834), 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) [2021-03-26 10:36:12,996 INFO L185 Difference]: Start difference. First operand has 51 places, 32 transitions, 237 flow. Second operand 5 states and 516 transitions. [2021-03-26 10:36:12,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 32 transitions, 251 flow [2021-03-26 10:36:13,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 151 flow, removed 13 selfloop flow, removed 14 redundant places. [2021-03-26 10:36:13,001 INFO L241 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow [2021-03-26 10:36:13,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0} [2021-03-26 10:36:13,001 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 2 predicate places. [2021-03-26 10:36:13,001 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:36:13,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 0 transitions, 0 flow [2021-03-26 10:36:13,002 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 0 transitions, 0 flow [2021-03-26 10:36:13,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 10:36:13,002 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 10:36:13,002 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:36:13,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-26 10:36:13,002 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 10:36:13,002 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:36:13,002 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:36:13,002 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 10:36:13,004 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 10:36:13,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 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) [2021-03-26 10:36:13,004 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:36:13,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:36:13 BasicIcfg [2021-03-26 10:36:13,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:36:13,008 INFO L168 Benchmark]: Toolchain (without parser) took 5894.54 ms. Allocated memory was 255.9 MB in the beginning and 423.6 MB in the end (delta: 167.8 MB). Free memory was 234.6 MB in the beginning and 320.7 MB in the end (delta: -86.1 MB). Peak memory consumption was 81.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:36:13,008 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 238.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:36:13,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.14 ms. Allocated memory was 255.9 MB in the beginning and 352.3 MB in the end (delta: 96.5 MB). Free memory was 234.6 MB in the beginning and 313.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-26 10:36:13,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.68 ms. Allocated memory is still 352.3 MB. Free memory was 313.9 MB in the beginning and 311.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:36:13,009 INFO L168 Benchmark]: Boogie Preprocessor took 34.17 ms. Allocated memory is still 352.3 MB. Free memory was 311.9 MB in the beginning and 310.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:36:13,009 INFO L168 Benchmark]: RCFGBuilder took 537.80 ms. Allocated memory is still 352.3 MB. Free memory was 310.6 MB in the beginning and 286.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:36:13,011 INFO L168 Benchmark]: TraceAbstraction took 4744.09 ms. Allocated memory was 352.3 MB in the beginning and 423.6 MB in the end (delta: 71.3 MB). Free memory was 286.1 MB in the beginning and 320.7 MB in the end (delta: -34.6 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:36:13,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 238.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 515.14 ms. Allocated memory was 255.9 MB in the beginning and 352.3 MB in the end (delta: 96.5 MB). Free memory was 234.6 MB in the beginning and 313.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.68 ms. Allocated memory is still 352.3 MB. Free memory was 313.9 MB in the beginning and 311.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.17 ms. Allocated memory is still 352.3 MB. Free memory was 311.9 MB in the beginning and 310.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 537.80 ms. Allocated memory is still 352.3 MB. Free memory was 310.6 MB in the beginning and 286.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4744.09 ms. Allocated memory was 352.3 MB in the beginning and 423.6 MB in the end (delta: 71.3 MB). Free memory was 286.1 MB in the beginning and 320.7 MB in the end (delta: -34.6 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1484.0ms, 80 PlacesBefore, 38 PlacesAfterwards, 68 TransitionsBefore, 25 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 4 FixpointIterations, 14 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 43 TotalNumberOfCompositions, 1269 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 878, positive: 850, positive conditional: 850, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 878, positive: 850, positive conditional: 0, positive unconditional: 850, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 878, positive: 850, positive conditional: 0, positive unconditional: 850, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 759, positive: 735, positive conditional: 0, positive unconditional: 735, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 759, positive: 718, positive conditional: 0, positive unconditional: 718, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 151, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 878, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 759, unknown conditional: 0, unknown unconditional: 759] , Statistics on independence cache: Total cache size (in pairs): 759, Positive cache size: 735, Positive conditional cache size: 0, Positive unconditional cache size: 735, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 488.9ms, 40 PlacesBefore, 36 PlacesAfterwards, 28 TransitionsBefore, 24 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 278 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 120, positive: 101, positive conditional: 0, positive unconditional: 101, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 120, positive: 101, positive conditional: 0, positive unconditional: 101, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 42, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 42, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 120, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 42, unknown conditional: 0, unknown unconditional: 42] , Statistics on independence cache: Total cache size (in pairs): 801, Positive cache size: 771, Positive conditional cache size: 0, Positive unconditional cache size: 771, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 435.5ms, 40 PlacesBefore, 39 PlacesAfterwards, 26 TransitionsBefore, 25 TransitionsAfterwards, 216 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 234 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116, positive: 100, positive conditional: 100, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 116, positive: 100, positive conditional: 12, positive unconditional: 88, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 116, positive: 100, positive conditional: 12, positive unconditional: 88, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 116, positive: 92, positive conditional: 12, positive unconditional: 80, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 812, Positive cache size: 779, Positive conditional cache size: 0, Positive unconditional cache size: 779, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.7ms, 41 PlacesBefore, 41 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 160 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 92, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 92, positive: 81, positive conditional: 7, positive unconditional: 74, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 92, positive: 81, positive conditional: 7, positive unconditional: 74, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 92, positive: 80, positive conditional: 7, positive unconditional: 73, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 813, Positive cache size: 780, Positive conditional cache size: 0, Positive unconditional cache size: 780, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.7ms, 45 PlacesBefore, 45 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 182 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 152 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 74, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 3, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 74, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 816, Positive cache size: 782, Positive conditional cache size: 0, Positive unconditional cache size: 782, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Eliminated conditions: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.9ms, 45 PlacesBefore, 45 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 182 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 103 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 42, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 42, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 817, Positive cache size: 783, Positive conditional cache size: 0, Positive unconditional cache size: 783, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Eliminated conditions: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.8ms, 47 PlacesBefore, 47 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 91 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34, positive: 27, positive conditional: 3, positive unconditional: 24, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 27, positive conditional: 3, positive unconditional: 24, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 34, positive: 27, positive conditional: 3, positive unconditional: 24, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 817, Positive cache size: 783, Positive conditional cache size: 0, Positive unconditional cache size: 783, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Eliminated conditions: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.5ms, 45 PlacesBefore, 45 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 817, Positive cache size: 783, Positive conditional cache size: 0, Positive unconditional cache size: 783, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.3ms, 48 PlacesBefore, 48 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 817, Positive cache size: 783, Positive conditional cache size: 0, Positive unconditional cache size: 783, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.6ms, 51 PlacesBefore, 51 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 817, Positive cache size: 783, Positive conditional cache size: 0, Positive unconditional cache size: 783, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.4ms, 53 PlacesBefore, 53 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 817, Positive cache size: 783, Positive conditional cache size: 0, Positive unconditional cache size: 783, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 181.0ms, 54 PlacesBefore, 51 PlacesAfterwards, 34 TransitionsBefore, 32 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 32 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32, positive: 32, positive conditional: 23, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 32, positive conditional: 23, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 4, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 32, positive: 27, positive conditional: 19, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 822, Positive cache size: 788, Positive conditional cache size: 4, Positive unconditional cache size: 784, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Eliminated conditions: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.7ms, 40 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 822, Positive cache size: 788, Positive conditional cache size: 4, Positive unconditional cache size: 784, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Eliminated conditions: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 10.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 4634.3ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 687.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1569.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 67 SDtfs, 31 SDslu, 24 SDs, 0 SdLazy, 155 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 123.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 117.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=262occurred in iteration=9, 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: 26.0ms SsaConstructionTime, 214.7ms SatisfiabilityAnalysisTime, 627.8ms InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 954 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...