/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/safe016_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:33:52,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:33:52,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:33:52,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:33:52,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:33:52,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:33:52,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:33:52,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:33:52,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:33:52,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:33:52,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:33:52,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:33:52,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:33:52,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:33:52,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:33:52,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:33:52,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:33:52,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:33:52,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:33:52,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:33:52,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:33:52,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:33:52,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:33:52,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:33:52,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-26 10:33:52,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-26 10:33:52,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-26 10:33:52,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-26 10:33:52,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-26 10:33:52,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-26 10:33:52,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 10:33:52,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 10:33:52,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 10:33:52,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 10:33:52,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 10:33:52,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 10:33:52,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 10:33:52,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 10:33:52,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:33:52,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:33:52,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:33:52,567 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 10:33:52,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:33:52,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:33:52,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:33:52,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:33:52,616 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:33:52,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:33:52,616 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:33:52,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:33:52,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:33:52,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:33:52,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:33:52,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:33:52,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:33:52,618 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:33:52,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:33:52,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:33:52,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:33:52,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:33:52,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:33:52,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:33:52,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:33:52,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:33:52,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:33:52,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:33:52,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:33:52,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:33:52,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:33:52,619 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:33:52,620 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:33:52,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:33:52,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:33:52,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:33:52,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:33:52,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:33:52,955 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:33:52,955 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:33:52,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc.i [2021-03-26 10:33:53,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9d98fcb/4a1856ff22454554b6b75f228ca42f82/FLAGe0eb02d62 [2021-03-26 10:33:53,602 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:33:53,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc.i [2021-03-26 10:33:53,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9d98fcb/4a1856ff22454554b6b75f228ca42f82/FLAGe0eb02d62 [2021-03-26 10:33:54,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9d98fcb/4a1856ff22454554b6b75f228ca42f82 [2021-03-26 10:33:54,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:33:54,012 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:33:54,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:33:54,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:33:54,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:33:54,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:33:54" (1/1) ... [2021-03-26 10:33:54,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de15db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54, skipping insertion in model container [2021-03-26 10:33:54,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:33:54" (1/1) ... [2021-03-26 10:33:54,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:33:54,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:33:54,253 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/safe016_pso.oepc.i[950,963] [2021-03-26 10:33:54,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:33:54,443 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:33:54,454 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/safe016_pso.oepc.i[950,963] [2021-03-26 10:33:54,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:33:54,589 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:33:54,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54 WrapperNode [2021-03-26 10:33:54,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:33:54,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:33:54,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:33:54,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:33:54,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54" (1/1) ... [2021-03-26 10:33:54,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54" (1/1) ... [2021-03-26 10:33:54,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:33:54,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:33:54,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:33:54,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:33:54,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54" (1/1) ... [2021-03-26 10:33:54,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54" (1/1) ... [2021-03-26 10:33:54,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54" (1/1) ... [2021-03-26 10:33:54,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54" (1/1) ... [2021-03-26 10:33:54,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54" (1/1) ... [2021-03-26 10:33:54,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54" (1/1) ... [2021-03-26 10:33:54,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54" (1/1) ... [2021-03-26 10:33:54,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:33:54,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:33:54,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:33:54,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:33:54,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54" (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 10:33:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:33:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:33:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:33:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:33:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:33:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:33:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:33:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:33:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:33:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:33:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 10:33:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 10:33:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:33:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:33:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:33:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:33:54,767 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 10:33:55,184 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:33:55,184 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-26 10:33:55,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:33:55 BoogieIcfgContainer [2021-03-26 10:33:55,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:33:55,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:33:55,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:33:55,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:33:55,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:33:54" (1/3) ... [2021-03-26 10:33:55,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35af2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:33:55, skipping insertion in model container [2021-03-26 10:33:55,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:54" (2/3) ... [2021-03-26 10:33:55,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35af2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:33:55, skipping insertion in model container [2021-03-26 10:33:55,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:33:55" (3/3) ... [2021-03-26 10:33:55,192 INFO L111 eAbstractionObserver]: Analyzing ICFG safe016_pso.oepc.i [2021-03-26 10:33:55,197 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:33:55,201 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 10:33:55,202 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:33:55,228 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,228 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,228 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,228 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,229 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,229 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,229 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,229 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,229 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,230 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,230 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,231 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,231 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,231 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,231 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,231 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,233 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,233 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,233 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,233 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,235 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,235 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,235 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,235 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,236 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,236 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,236 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,236 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,236 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,236 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,238 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,239 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,239 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,243 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,243 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,243 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,243 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,245 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,245 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,245 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,245 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,247 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,247 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:55,249 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:33:55,265 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 10:33:55,284 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:33:55,284 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:33:55,284 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:33:55,284 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:33:55,284 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:33:55,285 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:33:55,285 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:33:55,285 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:33:55,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 85 transitions, 190 flow [2021-03-26 10:33:55,351 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-03-26 10:33:55,351 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:33:55,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2021-03-26 10:33:55,355 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 85 transitions, 190 flow [2021-03-26 10:33:55,358 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 67 transitions, 146 flow [2021-03-26 10:33:55,360 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:55,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions, 146 flow [2021-03-26 10:33:55,374 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 67 transitions, 146 flow [2021-03-26 10:33:55,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions, 146 flow [2021-03-26 10:33:55,389 INFO L129 PetriNetUnfolder]: 1/67 cut-off events. [2021-03-26 10:33:55,390 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:33:55,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 67 events. 1/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2021-03-26 10:33:55,392 INFO L142 LiptonReduction]: Number of co-enabled transitions 1250 [2021-03-26 10:33:57,222 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-03-26 10:33:57,364 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-03-26 10:33:57,412 INFO L154 LiptonReduction]: Checked pairs total: 1383 [2021-03-26 10:33:57,412 INFO L156 LiptonReduction]: Total number of compositions: 44 [2021-03-26 10:33:57,415 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2055 [2021-03-26 10:33:57,423 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 10:33:57,423 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:33:57,424 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:57,424 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:57,425 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:57,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:57,429 INFO L82 PathProgramCache]: Analyzing trace with hash -592752111, now seen corresponding path program 1 times [2021-03-26 10:33:57,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:57,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382479345] [2021-03-26 10:33:57,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:57,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:57,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:57,719 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:33:57,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:33:57,741 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 10:33:57,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382479345] [2021-03-26 10:33:57,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:57,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:33:57,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998983719] [2021-03-26 10:33:57,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:33:57,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:57,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:33:57,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:33:57,762 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 129 [2021-03-26 10:33:57,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 23 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 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 10:33:57,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:57,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 129 [2021-03-26 10:33:57,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:57,839 INFO L129 PetriNetUnfolder]: 117/286 cut-off events. [2021-03-26 10:33:57,839 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:33:57,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 286 events. 117/286 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1486 event pairs, 57 based on Foata normal form. 14/282 useless extension candidates. Maximal degree in co-relation 492. Up to 129 conditions per place. [2021-03-26 10:33:57,843 INFO L132 encePairwiseOnDemand]: 121/129 looper letters, 11 selfloop transitions, 7 changer transitions 0/32 dead transitions. [2021-03-26 10:33:57,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 32 transitions, 112 flow [2021-03-26 10:33:57,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:33:57,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:33:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 428 transitions. [2021-03-26 10:33:57,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8294573643410853 [2021-03-26 10:33:57,866 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 428 transitions. [2021-03-26 10:33:57,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 428 transitions. [2021-03-26 10:33:57,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:57,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 428 transitions. [2021-03-26 10:33:57,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 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 10:33:57,883 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 10:33:57,884 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 10:33:57,886 INFO L185 Difference]: Start difference. First operand has 36 places, 23 transitions, 58 flow. Second operand 4 states and 428 transitions. [2021-03-26 10:33:57,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 32 transitions, 112 flow [2021-03-26 10:33:57,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 32 transitions, 108 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 10:33:57,890 INFO L241 Difference]: Finished difference. Result has 38 places, 28 transitions, 106 flow [2021-03-26 10:33:57,892 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=38, PETRI_TRANSITIONS=28} [2021-03-26 10:33:57,893 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2021-03-26 10:33:57,894 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:57,894 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 28 transitions, 106 flow [2021-03-26 10:33:57,894 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 28 transitions, 106 flow [2021-03-26 10:33:57,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 106 flow [2021-03-26 10:33:57,940 INFO L129 PetriNetUnfolder]: 99/246 cut-off events. [2021-03-26 10:33:57,940 INFO L130 PetriNetUnfolder]: For 51/65 co-relation queries the response was YES. [2021-03-26 10:33:57,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 546 conditions, 246 events. 99/246 cut-off events. For 51/65 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1302 event pairs, 43 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 534. Up to 115 conditions per place. [2021-03-26 10:33:57,945 INFO L142 LiptonReduction]: Number of co-enabled transitions 240 [2021-03-26 10:33:58,291 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 10:33:58,532 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 10:33:58,635 INFO L154 LiptonReduction]: Checked pairs total: 146 [2021-03-26 10:33:58,635 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:33:58,635 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 741 [2021-03-26 10:33:58,637 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 25 transitions, 100 flow [2021-03-26 10:33:58,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 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 10:33:58,638 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:58,638 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:58,638 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:33:58,638 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:58,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:58,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1195447099, now seen corresponding path program 1 times [2021-03-26 10:33:58,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:58,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018400616] [2021-03-26 10:33:58,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:58,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:58,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:58,727 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:33:58,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:33:58,737 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 10:33:58,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018400616] [2021-03-26 10:33:58,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:58,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:33:58,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706207103] [2021-03-26 10:33:58,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:33:58,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:58,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:33:58,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:33:58,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:33:58,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 25 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 10:33:58,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:58,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:33:58,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:58,801 INFO L129 PetriNetUnfolder]: 98/250 cut-off events. [2021-03-26 10:33:58,802 INFO L130 PetriNetUnfolder]: For 142/383 co-relation queries the response was YES. [2021-03-26 10:33:58,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 718 conditions, 250 events. 98/250 cut-off events. For 142/383 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1252 event pairs, 16 based on Foata normal form. 7/244 useless extension candidates. Maximal degree in co-relation 706. Up to 107 conditions per place. [2021-03-26 10:33:58,806 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 12 selfloop transitions, 11 changer transitions 0/35 dead transitions. [2021-03-26 10:33:58,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 35 transitions, 196 flow [2021-03-26 10:33:58,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:33:58,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:33:58,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 430 transitions. [2021-03-26 10:33:58,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8143939393939394 [2021-03-26 10:33:58,814 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 430 transitions. [2021-03-26 10:33:58,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 430 transitions. [2021-03-26 10:33:58,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:58,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 430 transitions. [2021-03-26 10:33:58,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.5) internal successors, (430), 4 states have internal predecessors, (430), 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 10:33:58,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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 10:33:58,820 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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 10:33:58,820 INFO L185 Difference]: Start difference. First operand has 35 places, 25 transitions, 100 flow. Second operand 4 states and 430 transitions. [2021-03-26 10:33:58,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 35 transitions, 196 flow [2021-03-26 10:33:58,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 35 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:33:58,824 INFO L241 Difference]: Finished difference. Result has 40 places, 32 transitions, 193 flow [2021-03-26 10:33:58,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=193, PETRI_PLACES=40, PETRI_TRANSITIONS=32} [2021-03-26 10:33:58,824 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 4 predicate places. [2021-03-26 10:33:58,825 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:58,825 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 32 transitions, 193 flow [2021-03-26 10:33:58,826 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 32 transitions, 193 flow [2021-03-26 10:33:58,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 32 transitions, 193 flow [2021-03-26 10:33:58,843 INFO L129 PetriNetUnfolder]: 97/238 cut-off events. [2021-03-26 10:33:58,844 INFO L130 PetriNetUnfolder]: For 262/348 co-relation queries the response was YES. [2021-03-26 10:33:58,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 778 conditions, 238 events. 97/238 cut-off events. For 262/348 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1191 event pairs, 33 based on Foata normal form. 1/225 useless extension candidates. Maximal degree in co-relation 764. Up to 105 conditions per place. [2021-03-26 10:33:58,848 INFO L142 LiptonReduction]: Number of co-enabled transitions 266 [2021-03-26 10:33:58,886 INFO L154 LiptonReduction]: Checked pairs total: 91 [2021-03-26 10:33:58,886 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:58,886 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61 [2021-03-26 10:33:58,888 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 32 transitions, 193 flow [2021-03-26 10:33:58,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 10:33:58,889 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:58,890 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:58,890 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:33:58,892 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:58,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:58,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1648942006, now seen corresponding path program 1 times [2021-03-26 10:33:58,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:58,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407631349] [2021-03-26 10:33:58,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:58,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:58,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:58,968 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:33:58,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:33:58,977 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 10:33:58,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407631349] [2021-03-26 10:33:58,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:58,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:33:58,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257065607] [2021-03-26 10:33:58,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:33:58,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:58,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:33:58,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:33:58,980 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:33:58,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 32 transitions, 193 flow. Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 10:33:58,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:58,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:33:58,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:59,020 INFO L129 PetriNetUnfolder]: 80/213 cut-off events. [2021-03-26 10:33:59,020 INFO L130 PetriNetUnfolder]: For 323/646 co-relation queries the response was YES. [2021-03-26 10:33:59,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 833 conditions, 213 events. 80/213 cut-off events. For 323/646 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1033 event pairs, 6 based on Foata normal form. 4/205 useless extension candidates. Maximal degree in co-relation 817. Up to 91 conditions per place. [2021-03-26 10:33:59,023 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 15 selfloop transitions, 18 changer transitions 0/45 dead transitions. [2021-03-26 10:33:59,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 45 transitions, 366 flow [2021-03-26 10:33:59,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:33:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:33:59,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-03-26 10:33:59,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8200757575757576 [2021-03-26 10:33:59,025 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 433 transitions. [2021-03-26 10:33:59,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 433 transitions. [2021-03-26 10:33:59,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:59,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 433 transitions. [2021-03-26 10:33:59,027 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 10:33:59,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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 10:33:59,028 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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 10:33:59,028 INFO L185 Difference]: Start difference. First operand has 40 places, 32 transitions, 193 flow. Second operand 4 states and 433 transitions. [2021-03-26 10:33:59,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 45 transitions, 366 flow [2021-03-26 10:33:59,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 45 transitions, 361 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:33:59,032 INFO L241 Difference]: Finished difference. Result has 45 places, 42 transitions, 363 flow [2021-03-26 10:33:59,032 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=363, PETRI_PLACES=45, PETRI_TRANSITIONS=42} [2021-03-26 10:33:59,032 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 9 predicate places. [2021-03-26 10:33:59,033 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:59,033 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 42 transitions, 363 flow [2021-03-26 10:33:59,033 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 42 transitions, 363 flow [2021-03-26 10:33:59,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 42 transitions, 363 flow [2021-03-26 10:33:59,050 INFO L129 PetriNetUnfolder]: 81/208 cut-off events. [2021-03-26 10:33:59,050 INFO L130 PetriNetUnfolder]: For 556/629 co-relation queries the response was YES. [2021-03-26 10:33:59,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 868 conditions, 208 events. 81/208 cut-off events. For 556/629 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1020 event pairs, 28 based on Foata normal form. 1/198 useless extension candidates. Maximal degree in co-relation 850. Up to 90 conditions per place. [2021-03-26 10:33:59,053 INFO L142 LiptonReduction]: Number of co-enabled transitions 324 [2021-03-26 10:33:59,086 INFO L154 LiptonReduction]: Checked pairs total: 280 [2021-03-26 10:33:59,086 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:59,086 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-03-26 10:33:59,087 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 42 transitions, 363 flow [2021-03-26 10:33:59,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 10:33:59,088 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:59,088 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:59,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:33:59,088 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:59,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:59,089 INFO L82 PathProgramCache]: Analyzing trace with hash 402087372, now seen corresponding path program 1 times [2021-03-26 10:33:59,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:59,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033818019] [2021-03-26 10:33:59,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:59,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:59,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:59,153 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:33:59,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:33:59,168 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 10:33:59,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033818019] [2021-03-26 10:33:59,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:59,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:33:59,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381731938] [2021-03-26 10:33:59,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:33:59,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:59,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:33:59,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:33:59,174 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:33:59,175 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 42 transitions, 363 flow. Second operand has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 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 10:33:59,175 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:59,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:33:59,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:59,243 INFO L129 PetriNetUnfolder]: 80/242 cut-off events. [2021-03-26 10:33:59,243 INFO L130 PetriNetUnfolder]: For 720/1189 co-relation queries the response was YES. [2021-03-26 10:33:59,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 242 events. 80/242 cut-off events. For 720/1189 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1390 event pairs, 5 based on Foata normal form. 18/250 useless extension candidates. Maximal degree in co-relation 1122. Up to 94 conditions per place. [2021-03-26 10:33:59,246 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 18 selfloop transitions, 18 changer transitions 30/78 dead transitions. [2021-03-26 10:33:59,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 78 transitions, 888 flow [2021-03-26 10:33:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:33:59,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:33:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 541 transitions. [2021-03-26 10:33:59,249 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8196969696969697 [2021-03-26 10:33:59,249 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 541 transitions. [2021-03-26 10:33:59,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 541 transitions. [2021-03-26 10:33:59,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:59,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 541 transitions. [2021-03-26 10:33:59,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 108.2) internal successors, (541), 5 states have internal predecessors, (541), 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 10:33:59,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 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 10:33:59,253 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 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 10:33:59,253 INFO L185 Difference]: Start difference. First operand has 45 places, 42 transitions, 363 flow. Second operand 5 states and 541 transitions. [2021-03-26 10:33:59,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 78 transitions, 888 flow [2021-03-26 10:33:59,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 78 transitions, 888 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 10:33:59,260 INFO L241 Difference]: Finished difference. Result has 51 places, 43 transitions, 425 flow [2021-03-26 10:33:59,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=425, PETRI_PLACES=51, PETRI_TRANSITIONS=43} [2021-03-26 10:33:59,261 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 15 predicate places. [2021-03-26 10:33:59,261 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:59,261 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 43 transitions, 425 flow [2021-03-26 10:33:59,261 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 43 transitions, 425 flow [2021-03-26 10:33:59,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 425 flow [2021-03-26 10:33:59,283 INFO L129 PetriNetUnfolder]: 41/133 cut-off events. [2021-03-26 10:33:59,283 INFO L130 PetriNetUnfolder]: For 552/621 co-relation queries the response was YES. [2021-03-26 10:33:59,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 133 events. 41/133 cut-off events. For 552/621 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 607 event pairs, 11 based on Foata normal form. 2/127 useless extension candidates. Maximal degree in co-relation 615. Up to 55 conditions per place. [2021-03-26 10:33:59,285 INFO L142 LiptonReduction]: Number of co-enabled transitions 328 [2021-03-26 10:33:59,291 INFO L154 LiptonReduction]: Checked pairs total: 370 [2021-03-26 10:33:59,291 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:59,292 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-03-26 10:33:59,297 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 43 transitions, 425 flow [2021-03-26 10:33:59,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 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 10:33:59,298 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:59,298 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:59,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:33:59,302 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:59,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:59,303 INFO L82 PathProgramCache]: Analyzing trace with hash -16236178, now seen corresponding path program 1 times [2021-03-26 10:33:59,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:59,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794701709] [2021-03-26 10:33:59,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:59,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:33:59,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:59,342 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:33:59,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:33:59,353 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 10:33:59,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794701709] [2021-03-26 10:33:59,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:59,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:33:59,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253348140] [2021-03-26 10:33:59,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:33:59,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:59,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:33:59,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:33:59,355 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:33:59,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 425 flow. Second operand has 4 states, 4 states have (on average 104.5) internal successors, (418), 4 states have internal predecessors, (418), 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 10:33:59,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:59,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:33:59,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:59,401 INFO L129 PetriNetUnfolder]: 35/140 cut-off events. [2021-03-26 10:33:59,401 INFO L130 PetriNetUnfolder]: For 604/837 co-relation queries the response was YES. [2021-03-26 10:33:59,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 140 events. 35/140 cut-off events. For 604/837 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 696 event pairs, 3 based on Foata normal form. 14/148 useless extension candidates. Maximal degree in co-relation 707. Up to 54 conditions per place. [2021-03-26 10:33:59,403 INFO L132 encePairwiseOnDemand]: 125/132 looper letters, 15 selfloop transitions, 19 changer transitions 5/51 dead transitions. [2021-03-26 10:33:59,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 51 transitions, 598 flow [2021-03-26 10:33:59,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:33:59,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:33:59,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 429 transitions. [2021-03-26 10:33:59,404 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8125 [2021-03-26 10:33:59,405 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 429 transitions. [2021-03-26 10:33:59,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 429 transitions. [2021-03-26 10:33:59,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:59,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 429 transitions. [2021-03-26 10:33:59,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 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 10:33:59,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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 10:33:59,408 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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 10:33:59,409 INFO L185 Difference]: Start difference. First operand has 51 places, 43 transitions, 425 flow. Second operand 4 states and 429 transitions. [2021-03-26 10:33:59,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 51 transitions, 598 flow [2021-03-26 10:33:59,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 51 transitions, 551 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 10:33:59,413 INFO L241 Difference]: Finished difference. Result has 54 places, 44 transitions, 483 flow [2021-03-26 10:33:59,413 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=483, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2021-03-26 10:33:59,414 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 18 predicate places. [2021-03-26 10:33:59,414 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:59,414 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 44 transitions, 483 flow [2021-03-26 10:33:59,417 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 44 transitions, 483 flow [2021-03-26 10:33:59,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 44 transitions, 483 flow [2021-03-26 10:33:59,428 INFO L129 PetriNetUnfolder]: 27/121 cut-off events. [2021-03-26 10:33:59,428 INFO L130 PetriNetUnfolder]: For 597/665 co-relation queries the response was YES. [2021-03-26 10:33:59,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 121 events. 27/121 cut-off events. For 597/665 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 594 event pairs, 2 based on Foata normal form. 1/118 useless extension candidates. Maximal degree in co-relation 564. Up to 48 conditions per place. [2021-03-26 10:33:59,430 INFO L142 LiptonReduction]: Number of co-enabled transitions 324 [2021-03-26 10:33:59,438 INFO L154 LiptonReduction]: Checked pairs total: 362 [2021-03-26 10:33:59,438 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:59,438 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-26 10:33:59,442 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 483 flow [2021-03-26 10:33:59,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 104.5) internal successors, (418), 4 states have internal predecessors, (418), 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 10:33:59,443 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:59,443 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:59,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:33:59,443 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:59,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:59,443 INFO L82 PathProgramCache]: Analyzing trace with hash -947902052, now seen corresponding path program 1 times [2021-03-26 10:33:59,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:59,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71814248] [2021-03-26 10:33:59,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:59,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:59,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:59,504 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:33:59,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:33:59,515 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 10:33:59,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71814248] [2021-03-26 10:33:59,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:59,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:33:59,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945698165] [2021-03-26 10:33:59,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:33:59,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:59,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:33:59,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:33:59,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:33:59,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 483 flow. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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 10:33:59,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:59,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:33:59,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:59,572 INFO L129 PetriNetUnfolder]: 28/150 cut-off events. [2021-03-26 10:33:59,573 INFO L130 PetriNetUnfolder]: For 874/1156 co-relation queries the response was YES. [2021-03-26 10:33:59,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 150 events. 28/150 cut-off events. For 874/1156 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 808 event pairs, 0 based on Foata normal form. 8/153 useless extension candidates. Maximal degree in co-relation 783. Up to 54 conditions per place. [2021-03-26 10:33:59,574 INFO L132 encePairwiseOnDemand]: 124/132 looper letters, 13 selfloop transitions, 14 changer transitions 23/62 dead transitions. [2021-03-26 10:33:59,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 62 transitions, 813 flow [2021-03-26 10:33:59,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:33:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:33:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 540 transitions. [2021-03-26 10:33:59,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2021-03-26 10:33:59,577 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 540 transitions. [2021-03-26 10:33:59,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 540 transitions. [2021-03-26 10:33:59,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:59,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 540 transitions. [2021-03-26 10:33:59,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 108.0) internal successors, (540), 5 states have internal predecessors, (540), 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 10:33:59,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 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 10:33:59,581 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 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 10:33:59,581 INFO L185 Difference]: Start difference. First operand has 54 places, 44 transitions, 483 flow. Second operand 5 states and 540 transitions. [2021-03-26 10:33:59,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 62 transitions, 813 flow [2021-03-26 10:33:59,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 62 transitions, 803 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-03-26 10:33:59,586 INFO L241 Difference]: Finished difference. Result has 59 places, 36 transitions, 398 flow [2021-03-26 10:33:59,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=398, PETRI_PLACES=59, PETRI_TRANSITIONS=36} [2021-03-26 10:33:59,587 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 23 predicate places. [2021-03-26 10:33:59,587 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:59,588 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 36 transitions, 398 flow [2021-03-26 10:33:59,588 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 36 transitions, 398 flow [2021-03-26 10:33:59,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 36 transitions, 398 flow [2021-03-26 10:33:59,599 INFO L129 PetriNetUnfolder]: 11/78 cut-off events. [2021-03-26 10:33:59,599 INFO L130 PetriNetUnfolder]: For 503/513 co-relation queries the response was YES. [2021-03-26 10:33:59,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 78 events. 11/78 cut-off events. For 503/513 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 316 event pairs, 1 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 390. Up to 24 conditions per place. [2021-03-26 10:33:59,601 INFO L142 LiptonReduction]: Number of co-enabled transitions 204 [2021-03-26 10:33:59,606 INFO L154 LiptonReduction]: Checked pairs total: 275 [2021-03-26 10:33:59,606 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:59,606 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-03-26 10:33:59,616 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 36 transitions, 398 flow [2021-03-26 10:33:59,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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 10:33:59,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:59,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:59,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:33:59,618 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:59,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:59,618 INFO L82 PathProgramCache]: Analyzing trace with hash 289755301, now seen corresponding path program 1 times [2021-03-26 10:33:59,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:59,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639127690] [2021-03-26 10:33:59,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:59,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:33:59,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:59,677 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:33:59,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:33:59,694 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 10:33:59,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639127690] [2021-03-26 10:33:59,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:59,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:33:59,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529517459] [2021-03-26 10:33:59,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:33:59,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:59,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:33:59,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:33:59,697 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 132 [2021-03-26 10:33:59,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 36 transitions, 398 flow. Second operand has 4 states, 4 states have (on average 104.5) internal successors, (418), 4 states have internal predecessors, (418), 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 10:33:59,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:59,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 132 [2021-03-26 10:33:59,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:59,731 INFO L129 PetriNetUnfolder]: 9/75 cut-off events. [2021-03-26 10:33:59,731 INFO L130 PetriNetUnfolder]: For 517/535 co-relation queries the response was YES. [2021-03-26 10:33:59,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 75 events. 9/75 cut-off events. For 517/535 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 293 event pairs, 2 based on Foata normal form. 6/80 useless extension candidates. Maximal degree in co-relation 415. Up to 24 conditions per place. [2021-03-26 10:33:59,732 INFO L132 encePairwiseOnDemand]: 125/132 looper letters, 8 selfloop transitions, 12 changer transitions 5/37 dead transitions. [2021-03-26 10:33:59,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 37 transitions, 468 flow [2021-03-26 10:33:59,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:33:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:33:59,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 429 transitions. [2021-03-26 10:33:59,734 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8125 [2021-03-26 10:33:59,734 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 429 transitions. [2021-03-26 10:33:59,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 429 transitions. [2021-03-26 10:33:59,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:59,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 429 transitions. [2021-03-26 10:33:59,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 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 10:33:59,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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 10:33:59,736 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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 10:33:59,737 INFO L185 Difference]: Start difference. First operand has 59 places, 36 transitions, 398 flow. Second operand 4 states and 429 transitions. [2021-03-26 10:33:59,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 37 transitions, 468 flow [2021-03-26 10:33:59,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 37 transitions, 390 flow, removed 2 selfloop flow, removed 8 redundant places. [2021-03-26 10:33:59,742 INFO L241 Difference]: Finished difference. Result has 55 places, 32 transitions, 302 flow [2021-03-26 10:33:59,742 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=302, PETRI_PLACES=55, PETRI_TRANSITIONS=32} [2021-03-26 10:33:59,743 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 19 predicate places. [2021-03-26 10:33:59,743 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:59,743 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 32 transitions, 302 flow [2021-03-26 10:33:59,743 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 32 transitions, 302 flow [2021-03-26 10:33:59,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 32 transitions, 302 flow [2021-03-26 10:33:59,750 INFO L129 PetriNetUnfolder]: 7/62 cut-off events. [2021-03-26 10:33:59,750 INFO L130 PetriNetUnfolder]: For 356/366 co-relation queries the response was YES. [2021-03-26 10:33:59,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 62 events. 7/62 cut-off events. For 356/366 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 212 event pairs, 1 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 266. Up to 18 conditions per place. [2021-03-26 10:33:59,751 INFO L142 LiptonReduction]: Number of co-enabled transitions 166 [2021-03-26 10:33:59,754 INFO L154 LiptonReduction]: Checked pairs total: 191 [2021-03-26 10:33:59,754 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:59,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 10:33:59,755 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 32 transitions, 302 flow [2021-03-26 10:33:59,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 104.5) internal successors, (418), 4 states have internal predecessors, (418), 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 10:33:59,755 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:59,755 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:59,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:33:59,756 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:59,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:59,756 INFO L82 PathProgramCache]: Analyzing trace with hash -697804178, now seen corresponding path program 2 times [2021-03-26 10:33:59,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:59,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189743489] [2021-03-26 10:33:59,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:59,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:59,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:33:59,808 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 10:33:59,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189743489] [2021-03-26 10:33:59,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:59,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:33:59,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189912995] [2021-03-26 10:33:59,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:33:59,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:59,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:33:59,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:33:59,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2021-03-26 10:33:59,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 32 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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 10:33:59,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:59,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2021-03-26 10:33:59,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:59,849 INFO L129 PetriNetUnfolder]: 184/362 cut-off events. [2021-03-26 10:33:59,849 INFO L130 PetriNetUnfolder]: For 877/906 co-relation queries the response was YES. [2021-03-26 10:33:59,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 362 events. 184/362 cut-off events. For 877/906 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 1889 event pairs, 92 based on Foata normal form. 3/316 useless extension candidates. Maximal degree in co-relation 1003. Up to 298 conditions per place. [2021-03-26 10:33:59,852 INFO L132 encePairwiseOnDemand]: 126/132 looper letters, 5 selfloop transitions, 5 changer transitions 0/36 dead transitions. [2021-03-26 10:33:59,852 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 36 transitions, 330 flow [2021-03-26 10:33:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:33:59,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:33:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2021-03-26 10:33:59,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8459595959595959 [2021-03-26 10:33:59,854 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 335 transitions. [2021-03-26 10:33:59,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 335 transitions. [2021-03-26 10:33:59,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:59,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 335 transitions. [2021-03-26 10:33:59,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 10:33:59,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 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 10:33:59,857 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 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 10:33:59,857 INFO L185 Difference]: Start difference. First operand has 55 places, 32 transitions, 302 flow. Second operand 3 states and 335 transitions. [2021-03-26 10:33:59,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 36 transitions, 330 flow [2021-03-26 10:33:59,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 36 transitions, 287 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-26 10:33:59,862 INFO L241 Difference]: Finished difference. Result has 54 places, 36 transitions, 292 flow [2021-03-26 10:33:59,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=54, PETRI_TRANSITIONS=36} [2021-03-26 10:33:59,862 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 18 predicate places. [2021-03-26 10:33:59,863 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:59,863 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 36 transitions, 292 flow [2021-03-26 10:33:59,863 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 36 transitions, 292 flow [2021-03-26 10:33:59,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 36 transitions, 292 flow [2021-03-26 10:33:59,890 INFO L129 PetriNetUnfolder]: 205/397 cut-off events. [2021-03-26 10:33:59,891 INFO L130 PetriNetUnfolder]: For 623/641 co-relation queries the response was YES. [2021-03-26 10:33:59,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1031 conditions, 397 events. 205/397 cut-off events. For 623/641 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 2165 event pairs, 102 based on Foata normal form. 2/347 useless extension candidates. Maximal degree in co-relation 1007. Up to 336 conditions per place. [2021-03-26 10:33:59,895 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-26 10:33:59,898 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:33:59,898 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:59,898 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-26 10:33:59,899 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 36 transitions, 292 flow [2021-03-26 10:33:59,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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 10:33:59,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:59,900 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:59,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:33:59,900 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:59,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:59,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1722075718, now seen corresponding path program 1 times [2021-03-26 10:33:59,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:59,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276324206] [2021-03-26 10:33:59,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:59,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:59,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:59,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:59,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:33:59,954 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 10:33:59,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276324206] [2021-03-26 10:33:59,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:59,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:33:59,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067424128] [2021-03-26 10:33:59,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:33:59,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:59,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:33:59,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:33:59,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2021-03-26 10:33:59,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 36 transitions, 292 flow. Second operand has 4 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 10:33:59,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:59,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2021-03-26 10:33:59,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:59,998 INFO L129 PetriNetUnfolder]: 127/276 cut-off events. [2021-03-26 10:33:59,998 INFO L130 PetriNetUnfolder]: For 594/794 co-relation queries the response was YES. [2021-03-26 10:33:59,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 980 conditions, 276 events. 127/276 cut-off events. For 594/794 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1351 event pairs, 27 based on Foata normal form. 43/299 useless extension candidates. Maximal degree in co-relation 954. Up to 224 conditions per place. [2021-03-26 10:34:00,000 INFO L132 encePairwiseOnDemand]: 126/132 looper letters, 5 selfloop transitions, 9 changer transitions 0/40 dead transitions. [2021-03-26 10:34:00,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 40 transitions, 336 flow [2021-03-26 10:34:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:34:00,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:34:00,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 447 transitions. [2021-03-26 10:34:00,002 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8465909090909091 [2021-03-26 10:34:00,002 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 447 transitions. [2021-03-26 10:34:00,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 447 transitions. [2021-03-26 10:34:00,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:00,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 447 transitions. [2021-03-26 10:34:00,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 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 10:34:00,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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 10:34:00,005 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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 10:34:00,005 INFO L185 Difference]: Start difference. First operand has 54 places, 36 transitions, 292 flow. Second operand 4 states and 447 transitions. [2021-03-26 10:34:00,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 40 transitions, 336 flow [2021-03-26 10:34:00,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 40 transitions, 331 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:34:00,009 INFO L241 Difference]: Finished difference. Result has 57 places, 40 transitions, 339 flow [2021-03-26 10:34:00,009 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=339, PETRI_PLACES=57, PETRI_TRANSITIONS=40} [2021-03-26 10:34:00,009 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 21 predicate places. [2021-03-26 10:34:00,009 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:00,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 40 transitions, 339 flow [2021-03-26 10:34:00,010 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 40 transitions, 339 flow [2021-03-26 10:34:00,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 40 transitions, 339 flow [2021-03-26 10:34:00,032 INFO L129 PetriNetUnfolder]: 134/292 cut-off events. [2021-03-26 10:34:00,032 INFO L130 PetriNetUnfolder]: For 632/751 co-relation queries the response was YES. [2021-03-26 10:34:00,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1070 conditions, 292 events. 134/292 cut-off events. For 632/751 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1519 event pairs, 28 based on Foata normal form. 5/282 useless extension candidates. Maximal degree in co-relation 1044. Up to 238 conditions per place. [2021-03-26 10:34:00,036 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-26 10:34:00,039 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:34:00,039 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:00,039 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-26 10:34:00,040 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 40 transitions, 339 flow [2021-03-26 10:34:00,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 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 10:34:00,041 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:00,041 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:00,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:34:00,041 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:00,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:00,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1820310554, now seen corresponding path program 1 times [2021-03-26 10:34:00,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:00,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991800856] [2021-03-26 10:34:00,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:00,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:00,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:00,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:00,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:00,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:00,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:00,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:00,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:00,104 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 10:34:00,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991800856] [2021-03-26 10:34:00,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:00,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:34:00,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662018874] [2021-03-26 10:34:00,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:34:00,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:00,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:34:00,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:34:00,106 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2021-03-26 10:34:00,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 40 transitions, 339 flow. Second operand has 5 states, 5 states have (on average 108.8) internal successors, (544), 5 states have internal predecessors, (544), 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 10:34:00,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:00,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2021-03-26 10:34:00,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:00,152 INFO L129 PetriNetUnfolder]: 77/180 cut-off events. [2021-03-26 10:34:00,153 INFO L130 PetriNetUnfolder]: For 408/705 co-relation queries the response was YES. [2021-03-26 10:34:00,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 822 conditions, 180 events. 77/180 cut-off events. For 408/705 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 733 event pairs, 4 based on Foata normal form. 82/249 useless extension candidates. Maximal degree in co-relation 794. Up to 143 conditions per place. [2021-03-26 10:34:00,154 INFO L132 encePairwiseOnDemand]: 126/132 looper letters, 3 selfloop transitions, 13 changer transitions 6/44 dead transitions. [2021-03-26 10:34:00,154 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 44 transitions, 399 flow [2021-03-26 10:34:00,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:34:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:34:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 559 transitions. [2021-03-26 10:34:00,156 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8469696969696969 [2021-03-26 10:34:00,156 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 559 transitions. [2021-03-26 10:34:00,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 559 transitions. [2021-03-26 10:34:00,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:00,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 559 transitions. [2021-03-26 10:34:00,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 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 10:34:00,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 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 10:34:00,159 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 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 10:34:00,159 INFO L185 Difference]: Start difference. First operand has 57 places, 40 transitions, 339 flow. Second operand 5 states and 559 transitions. [2021-03-26 10:34:00,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 44 transitions, 399 flow [2021-03-26 10:34:00,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 44 transitions, 381 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-26 10:34:00,162 INFO L241 Difference]: Finished difference. Result has 60 places, 38 transitions, 336 flow [2021-03-26 10:34:00,163 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=336, PETRI_PLACES=60, PETRI_TRANSITIONS=38} [2021-03-26 10:34:00,163 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 24 predicate places. [2021-03-26 10:34:00,164 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:00,164 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 38 transitions, 336 flow [2021-03-26 10:34:00,164 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 38 transitions, 336 flow [2021-03-26 10:34:00,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 38 transitions, 336 flow [2021-03-26 10:34:00,176 INFO L129 PetriNetUnfolder]: 44/122 cut-off events. [2021-03-26 10:34:00,176 INFO L130 PetriNetUnfolder]: For 316/352 co-relation queries the response was YES. [2021-03-26 10:34:00,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 122 events. 44/122 cut-off events. For 316/352 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 468 event pairs, 2 based on Foata normal form. 5/120 useless extension candidates. Maximal degree in co-relation 506. Up to 85 conditions per place. [2021-03-26 10:34:00,177 INFO L142 LiptonReduction]: Number of co-enabled transitions 172 [2021-03-26 10:34:00,259 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 10:34:00,260 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:34:00,260 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 96 [2021-03-26 10:34:00,260 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 37 transitions, 334 flow [2021-03-26 10:34:00,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 108.8) internal successors, (544), 5 states have internal predecessors, (544), 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 10:34:00,261 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:00,261 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 10:34:00,261 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:34:00,261 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:00,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:00,262 INFO L82 PathProgramCache]: Analyzing trace with hash -416689074, now seen corresponding path program 1 times [2021-03-26 10:34:00,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:00,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804795357] [2021-03-26 10:34:00,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:00,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:00,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:34:00,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:00,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:00,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:00,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:00,314 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 10:34:00,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804795357] [2021-03-26 10:34:00,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:00,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:34:00,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991027718] [2021-03-26 10:34:00,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:34:00,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:00,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:34:00,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:34:00,316 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 133 [2021-03-26 10:34:00,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 37 transitions, 334 flow. Second operand has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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 10:34:00,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:00,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 133 [2021-03-26 10:34:00,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:00,366 INFO L129 PetriNetUnfolder]: 45/117 cut-off events. [2021-03-26 10:34:00,366 INFO L130 PetriNetUnfolder]: For 631/733 co-relation queries the response was YES. [2021-03-26 10:34:00,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 117 events. 45/117 cut-off events. For 631/733 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 444 event pairs, 0 based on Foata normal form. 10/115 useless extension candidates. Maximal degree in co-relation 508. Up to 81 conditions per place. [2021-03-26 10:34:00,367 INFO L132 encePairwiseOnDemand]: 129/133 looper letters, 4 selfloop transitions, 5 changer transitions 0/37 dead transitions. [2021-03-26 10:34:00,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 37 transitions, 352 flow [2021-03-26 10:34:00,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:34:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:34:00,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 559 transitions. [2021-03-26 10:34:00,370 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8406015037593985 [2021-03-26 10:34:00,370 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 559 transitions. [2021-03-26 10:34:00,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 559 transitions. [2021-03-26 10:34:00,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:00,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 559 transitions. [2021-03-26 10:34:00,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 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 10:34:00,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 133.0) internal successors, (798), 6 states have internal predecessors, (798), 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 10:34:00,374 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 133.0) internal successors, (798), 6 states have internal predecessors, (798), 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 10:34:00,374 INFO L185 Difference]: Start difference. First operand has 59 places, 37 transitions, 334 flow. Second operand 5 states and 559 transitions. [2021-03-26 10:34:00,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 37 transitions, 352 flow [2021-03-26 10:34:00,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 37 transitions, 308 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 10:34:00,377 INFO L241 Difference]: Finished difference. Result has 59 places, 37 transitions, 303 flow [2021-03-26 10:34:00,377 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=303, PETRI_PLACES=59, PETRI_TRANSITIONS=37} [2021-03-26 10:34:00,377 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 23 predicate places. [2021-03-26 10:34:00,378 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:00,378 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 37 transitions, 303 flow [2021-03-26 10:34:00,378 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 37 transitions, 303 flow [2021-03-26 10:34:00,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 37 transitions, 303 flow [2021-03-26 10:34:00,390 INFO L129 PetriNetUnfolder]: 49/125 cut-off events. [2021-03-26 10:34:00,391 INFO L130 PetriNetUnfolder]: For 380/407 co-relation queries the response was YES. [2021-03-26 10:34:00,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 125 events. 49/125 cut-off events. For 380/407 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 492 event pairs, 0 based on Foata normal form. 7/123 useless extension candidates. Maximal degree in co-relation 400. Up to 50 conditions per place. [2021-03-26 10:34:00,392 INFO L142 LiptonReduction]: Number of co-enabled transitions 164 [2021-03-26 10:34:00,394 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:34:00,394 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:00,395 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 10:34:00,397 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 37 transitions, 303 flow [2021-03-26 10:34:00,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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 10:34:00,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:34:00,397 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:34:00,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:34:00,398 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:34:00,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:34:00,398 INFO L82 PathProgramCache]: Analyzing trace with hash 44139949, now seen corresponding path program 1 times [2021-03-26 10:34:00,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:34:00,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638497724] [2021-03-26 10:34:00,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:34:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:34:00,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:00,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:00,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:00,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:00,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:00,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:00,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:34:00,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:34:00,465 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 10:34:00,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638497724] [2021-03-26 10:34:00,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:34:00,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:34:00,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537632860] [2021-03-26 10:34:00,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:34:00,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:34:00,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:34:00,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:34:00,467 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 133 [2021-03-26 10:34:00,468 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 37 transitions, 303 flow. Second operand has 6 states, 6 states have (on average 108.83333333333333) internal successors, (653), 6 states have internal predecessors, (653), 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 10:34:00,468 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:34:00,468 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 133 [2021-03-26 10:34:00,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:34:00,504 INFO L129 PetriNetUnfolder]: 45/111 cut-off events. [2021-03-26 10:34:00,504 INFO L130 PetriNetUnfolder]: For 495/698 co-relation queries the response was YES. [2021-03-26 10:34:00,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 111 events. 45/111 cut-off events. For 495/698 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 408 event pairs, 0 based on Foata normal form. 56/155 useless extension candidates. Maximal degree in co-relation 426. Up to 43 conditions per place. [2021-03-26 10:34:00,505 INFO L132 encePairwiseOnDemand]: 127/133 looper letters, 0 selfloop transitions, 0 changer transitions 36/36 dead transitions. [2021-03-26 10:34:00,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 36 transitions, 313 flow [2021-03-26 10:34:00,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:34:00,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:34:00,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 664 transitions. [2021-03-26 10:34:00,507 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8320802005012531 [2021-03-26 10:34:00,507 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 664 transitions. [2021-03-26 10:34:00,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 664 transitions. [2021-03-26 10:34:00,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:34:00,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 664 transitions. [2021-03-26 10:34:00,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 110.66666666666667) internal successors, (664), 6 states have internal predecessors, (664), 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 10:34:00,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 133.0) internal successors, (931), 7 states have internal predecessors, (931), 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 10:34:00,511 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 133.0) internal successors, (931), 7 states have internal predecessors, (931), 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 10:34:00,511 INFO L185 Difference]: Start difference. First operand has 59 places, 37 transitions, 303 flow. Second operand 6 states and 664 transitions. [2021-03-26 10:34:00,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 36 transitions, 313 flow [2021-03-26 10:34:00,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 36 transitions, 282 flow, removed 2 selfloop flow, removed 8 redundant places. [2021-03-26 10:34:00,514 INFO L241 Difference]: Finished difference. Result has 55 places, 0 transitions, 0 flow [2021-03-26 10:34:00,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=55, PETRI_TRANSITIONS=0} [2021-03-26 10:34:00,514 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 19 predicate places. [2021-03-26 10:34:00,514 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:34:00,514 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 0 transitions, 0 flow [2021-03-26 10:34:00,514 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 0 transitions, 0 flow [2021-03-26 10:34:00,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 10:34:00,515 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 10:34:00,515 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:34:00,515 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 10:34:00,515 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 10:34:00,515 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:34:00,515 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:34:00,515 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 10:34:00,517 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 10:34:00,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 108.83333333333333) internal successors, (653), 6 states have internal predecessors, (653), 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 10:34:00,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:34:00,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:34:00 BasicIcfg [2021-03-26 10:34:00,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:34:00,521 INFO L168 Benchmark]: Toolchain (without parser) took 6508.69 ms. Allocated memory was 255.9 MB in the beginning and 411.0 MB in the end (delta: 155.2 MB). Free memory was 234.9 MB in the beginning and 353.9 MB in the end (delta: -119.0 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:00,521 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 160.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:34:00,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.88 ms. Allocated memory was 255.9 MB in the beginning and 341.8 MB in the end (delta: 86.0 MB). Free memory was 234.3 MB in the beginning and 303.5 MB in the end (delta: -69.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:00,521 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.61 ms. Allocated memory is still 341.8 MB. Free memory was 303.5 MB in the beginning and 301.3 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:34:00,522 INFO L168 Benchmark]: Boogie Preprocessor took 27.67 ms. Allocated memory is still 341.8 MB. Free memory was 301.3 MB in the beginning and 300.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:34:00,522 INFO L168 Benchmark]: RCFGBuilder took 511.77 ms. Allocated memory is still 341.8 MB. Free memory was 300.0 MB in the beginning and 276.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-03-26 10:34:00,522 INFO L168 Benchmark]: TraceAbstraction took 5333.12 ms. Allocated memory was 341.8 MB in the beginning and 411.0 MB in the end (delta: 69.2 MB). Free memory was 275.5 MB in the beginning and 353.9 MB in the end (delta: -78.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:34:00,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 160.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 577.88 ms. Allocated memory was 255.9 MB in the beginning and 341.8 MB in the end (delta: 86.0 MB). Free memory was 234.3 MB in the beginning and 303.5 MB in the end (delta: -69.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.61 ms. Allocated memory is still 341.8 MB. Free memory was 303.5 MB in the beginning and 301.3 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.67 ms. Allocated memory is still 341.8 MB. Free memory was 301.3 MB in the beginning and 300.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 511.77 ms. Allocated memory is still 341.8 MB. Free memory was 300.0 MB in the beginning and 276.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5333.12 ms. Allocated memory was 341.8 MB in the beginning and 411.0 MB in the end (delta: 69.2 MB). Free memory was 275.5 MB in the beginning and 353.9 MB in the end (delta: -78.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2038.5ms, 79 PlacesBefore, 36 PlacesAfterwards, 67 TransitionsBefore, 23 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 44 TotalNumberOfCompositions, 1383 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 874, positive: 838, positive conditional: 838, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 874, positive: 838, positive conditional: 0, positive unconditional: 838, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 874, positive: 838, positive conditional: 0, positive unconditional: 838, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 746, positive: 723, positive conditional: 0, positive unconditional: 723, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 746, positive: 714, positive conditional: 0, positive unconditional: 714, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 874, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 746, unknown conditional: 0, unknown unconditional: 746] , Statistics on independence cache: Total cache size (in pairs): 746, Positive cache size: 723, Positive conditional cache size: 0, Positive unconditional cache size: 723, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 740.8ms, 38 PlacesBefore, 35 PlacesAfterwards, 28 TransitionsBefore, 25 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 146 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 77, positive conditional: 77, 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: 84, positive: 77, positive conditional: 7, positive unconditional: 70, 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: 84, positive: 77, positive conditional: 7, positive unconditional: 70, 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: 22, positive: 19, positive conditional: 1, positive unconditional: 18, 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: 22, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 84, positive: 58, positive conditional: 6, positive unconditional: 52, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 22, unknown conditional: 1, unknown unconditional: 21] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 742, Positive conditional cache size: 1, Positive unconditional cache size: 741, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Eliminated conditions: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.6ms, 40 PlacesBefore, 40 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 266 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 91 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 36, positive: 31, positive conditional: 2, positive unconditional: 29, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 31, positive conditional: 2, positive unconditional: 29, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 12, positive conditional: 1, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 19, positive conditional: 1, positive unconditional: 18, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 14, unknown conditional: 1, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 754, Positive conditional cache size: 2, Positive unconditional cache size: 752, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 52.9ms, 45 PlacesBefore, 45 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 324 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 280 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 166, positive: 154, positive conditional: 6, positive unconditional: 148, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166, positive: 154, positive conditional: 6, positive unconditional: 148, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 13, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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.Query Time [ms]: [ total: 24, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 166, positive: 142, positive conditional: 6, positive unconditional: 136, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 766, Positive conditional cache size: 2, Positive unconditional cache size: 764, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.2ms, 51 PlacesBefore, 51 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 328 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 370 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 239, positive: 224, positive conditional: 224, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 239, positive: 224, positive conditional: 25, positive unconditional: 199, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 239, positive: 224, positive conditional: 25, positive unconditional: 199, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 239, positive: 221, positive conditional: 24, positive unconditional: 197, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 798, Positive cache size: 769, Positive conditional cache size: 3, Positive unconditional cache size: 766, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 59 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.3ms, 54 PlacesBefore, 54 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 324 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 362 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 200, positive: 183, positive conditional: 183, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 200, positive: 183, positive conditional: 13, positive unconditional: 170, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 200, positive: 183, positive conditional: 13, positive unconditional: 170, negative: 17, negative conditional: 0, negative unconditional: 17, 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: 200, positive: 182, positive conditional: 13, positive unconditional: 169, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 799, Positive cache size: 770, Positive conditional cache size: 3, Positive unconditional cache size: 767, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 75 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.9ms, 59 PlacesBefore, 59 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 204 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 275 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 152, positive: 137, positive conditional: 137, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 152, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 152, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 15, negative conditional: 0, negative unconditional: 15, 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: 152, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 799, Positive cache size: 770, Positive conditional cache size: 3, Positive unconditional cache size: 767, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 55 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.9ms, 55 PlacesBefore, 55 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 166 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 191 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 94, positive: 82, positive conditional: 82, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 94, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 94, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 94, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 799, Positive cache size: 770, Positive conditional cache size: 3, Positive unconditional cache size: 767, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 36 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.2ms, 54 PlacesBefore, 54 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 210 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): 799, Positive cache size: 770, Positive conditional cache size: 3, Positive unconditional cache size: 767, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.4ms, 57 PlacesBefore, 57 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 238 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): 799, Positive cache size: 770, Positive conditional cache size: 3, Positive unconditional cache size: 767, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 95.8ms, 60 PlacesBefore, 59 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 172 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 803, Positive cache size: 774, Positive conditional cache size: 3, Positive unconditional cache size: 771, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.5ms, 59 PlacesBefore, 59 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 164 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): 803, Positive cache size: 774, Positive conditional cache size: 3, Positive unconditional cache size: 771, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.7ms, 55 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): 803, Positive cache size: 774, Positive conditional cache size: 3, Positive unconditional cache size: 771, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, 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, 84 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 5237.4ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 812.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2134.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 82 SDtfs, 47 SDslu, 49 SDs, 0 SdLazy, 174 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 165.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 150.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=483occurred in iteration=5, 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: 28.4ms SsaConstructionTime, 261.8ms SatisfiabilityAnalysisTime, 637.3ms InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 758 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...