/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/safe015_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:33:09,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:33:09,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:33:09,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:33:09,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:33:09,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:33:09,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:33:09,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:33:09,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:33:09,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:33:09,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:33:09,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:33:09,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:33:09,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:33:09,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:33:09,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:33:09,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:33:09,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:33:09,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:33:09,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:33:09,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:33:09,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:33:09,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:33:09,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:33:09,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-26 10:33:09,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-26 10:33:09,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-26 10:33:09,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-26 10:33:09,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-26 10:33:09,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-26 10:33:09,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 10:33:09,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 10:33:09,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 10:33:09,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 10:33:09,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 10:33:09,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 10:33:09,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 10:33:09,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 10:33:09,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:33:09,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:33:09,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:33:09,174 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 10:33:09,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:33:09,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:33:09,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:33:09,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:33:09,201 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:33:09,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:33:09,201 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:33:09,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:33:09,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:33:09,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:33:09,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:33:09,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:33:09,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:33:09,202 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:33:09,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:33:09,202 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:33:09,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:33:09,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:33:09,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:33:09,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:33:09,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:33:09,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:33:09,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:33:09,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:33:09,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:33:09,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:33:09,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:33:09,203 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:33:09,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:33:09,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:33:09,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:33:09,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:33:09,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:33:09,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:33:09,403 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:33:09,404 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:33:09,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc.i [2021-03-26 10:33:09,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/960ffde10/0f69cdcb627940af895d866eaf71de49/FLAG8aaae4874 [2021-03-26 10:33:09,880 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:33:09,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc.i [2021-03-26 10:33:09,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/960ffde10/0f69cdcb627940af895d866eaf71de49/FLAG8aaae4874 [2021-03-26 10:33:09,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/960ffde10/0f69cdcb627940af895d866eaf71de49 [2021-03-26 10:33:09,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:33:09,911 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:33:09,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:33:09,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:33:09,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:33:09,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:33:09" (1/1) ... [2021-03-26 10:33:09,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337a145c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:09, skipping insertion in model container [2021-03-26 10:33:09,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:33:09" (1/1) ... [2021-03-26 10:33:09,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:33:09,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:33:10,051 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/safe015_pso.oepc.i[950,963] [2021-03-26 10:33:10,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:33:10,181 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:33:10,190 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/safe015_pso.oepc.i[950,963] [2021-03-26 10:33:10,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:33:10,275 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:33:10,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:10 WrapperNode [2021-03-26 10:33:10,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:33:10,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:33:10,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:33:10,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:33:10,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:10" (1/1) ... [2021-03-26 10:33:10,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:10" (1/1) ... [2021-03-26 10:33:10,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:33:10,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:33:10,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:33:10,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:33:10,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:10" (1/1) ... [2021-03-26 10:33:10,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:10" (1/1) ... [2021-03-26 10:33:10,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:10" (1/1) ... [2021-03-26 10:33:10,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:10" (1/1) ... [2021-03-26 10:33:10,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:10" (1/1) ... [2021-03-26 10:33:10,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:10" (1/1) ... [2021-03-26 10:33:10,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:10" (1/1) ... [2021-03-26 10:33:10,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:33:10,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:33:10,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:33:10,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:33:10,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:10" (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 10:33:10,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:33:10,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:33:10,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:33:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:33:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:33:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:33:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:33:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:33:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:33:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:33:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:33:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:33:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:33:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:33:10,385 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 10:33:10,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:33:10,627 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-26 10:33:10,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:33:10 BoogieIcfgContainer [2021-03-26 10:33:10,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:33:10,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:33:10,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:33:10,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:33:10,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:33:09" (1/3) ... [2021-03-26 10:33:10,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd9600a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:33:10, skipping insertion in model container [2021-03-26 10:33:10,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:33:10" (2/3) ... [2021-03-26 10:33:10,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd9600a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:33:10, skipping insertion in model container [2021-03-26 10:33:10,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:33:10" (3/3) ... [2021-03-26 10:33:10,632 INFO L111 eAbstractionObserver]: Analyzing ICFG safe015_pso.oepc.i [2021-03-26 10:33:10,637 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:33:10,640 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 10:33:10,641 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:33:10,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,666 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,666 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,667 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,667 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,668 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,668 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,668 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,669 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,671 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,671 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,672 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,672 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,674 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,675 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,675 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,675 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,678 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,678 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,682 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,682 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:33:10,685 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:33:10,697 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-26 10:33:10,722 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:33:10,722 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:33:10,722 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:33:10,722 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:33:10,722 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:33:10,722 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:33:10,722 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:33:10,722 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:33:10,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 74 transitions, 163 flow [2021-03-26 10:33:10,772 INFO L129 PetriNetUnfolder]: 2/71 cut-off events. [2021-03-26 10:33:10,772 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:33:10,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 71 events. 2/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-03-26 10:33:10,777 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 74 transitions, 163 flow [2021-03-26 10:33:10,785 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 59 transitions, 127 flow [2021-03-26 10:33:10,788 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:10,797 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 59 transitions, 127 flow [2021-03-26 10:33:10,800 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 59 transitions, 127 flow [2021-03-26 10:33:10,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 59 transitions, 127 flow [2021-03-26 10:33:10,825 INFO L129 PetriNetUnfolder]: 1/59 cut-off events. [2021-03-26 10:33:10,825 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:33:10,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-03-26 10:33:10,828 INFO L142 LiptonReduction]: Number of co-enabled transitions 864 [2021-03-26 10:33:11,914 INFO L154 LiptonReduction]: Checked pairs total: 1194 [2021-03-26 10:33:11,914 INFO L156 LiptonReduction]: Total number of compositions: 40 [2021-03-26 10:33:11,917 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1130 [2021-03-26 10:33:11,923 INFO L129 PetriNetUnfolder]: 0/19 cut-off events. [2021-03-26 10:33:11,923 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:33:11,923 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:11,924 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:11,924 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:11,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:11,927 INFO L82 PathProgramCache]: Analyzing trace with hash 509991216, now seen corresponding path program 1 times [2021-03-26 10:33:11,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:11,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058724995] [2021-03-26 10:33:11,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:12,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:12,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:33:12,137 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:33:12,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:33:12,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:12,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:12,153 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 10:33:12,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058724995] [2021-03-26 10:33:12,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:12,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:33:12,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395808197] [2021-03-26 10:33:12,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:33:12,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:12,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:33:12,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:33:12,173 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 114 [2021-03-26 10:33:12,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 51 flow. Second operand has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:33:12,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:12,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 114 [2021-03-26 10:33:12,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:12,269 INFO L129 PetriNetUnfolder]: 213/439 cut-off events. [2021-03-26 10:33:12,270 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:33:12,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 816 conditions, 439 events. 213/439 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2310 event pairs, 49 based on Foata normal form. 39/465 useless extension candidates. Maximal degree in co-relation 802. Up to 137 conditions per place. [2021-03-26 10:33:12,273 INFO L132 encePairwiseOnDemand]: 105/114 looper letters, 10 selfloop transitions, 7 changer transitions 13/41 dead transitions. [2021-03-26 10:33:12,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 41 transitions, 151 flow [2021-03-26 10:33:12,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:33:12,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:33:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 442 transitions. [2021-03-26 10:33:12,281 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.775438596491228 [2021-03-26 10:33:12,282 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 442 transitions. [2021-03-26 10:33:12,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 442 transitions. [2021-03-26 10:33:12,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:12,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 442 transitions. [2021-03-26 10:33:12,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 88.4) internal successors, (442), 5 states have internal predecessors, (442), 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 10:33:12,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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 10:33:12,291 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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 10:33:12,292 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 51 flow. Second operand 5 states and 442 transitions. [2021-03-26 10:33:12,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 41 transitions, 151 flow [2021-03-26 10:33:12,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 41 transitions, 148 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 10:33:12,295 INFO L241 Difference]: Finished difference. Result has 36 places, 27 transitions, 118 flow [2021-03-26 10:33:12,296 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=118, PETRI_PLACES=36, PETRI_TRANSITIONS=27} [2021-03-26 10:33:12,297 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 5 predicate places. [2021-03-26 10:33:12,297 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:12,297 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 27 transitions, 118 flow [2021-03-26 10:33:12,297 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 27 transitions, 118 flow [2021-03-26 10:33:12,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 27 transitions, 118 flow [2021-03-26 10:33:12,311 INFO L129 PetriNetUnfolder]: 118/271 cut-off events. [2021-03-26 10:33:12,312 INFO L130 PetriNetUnfolder]: For 149/171 co-relation queries the response was YES. [2021-03-26 10:33:12,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 695 conditions, 271 events. 118/271 cut-off events. For 149/171 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1332 event pairs, 33 based on Foata normal form. 8/267 useless extension candidates. Maximal degree in co-relation 681. Up to 104 conditions per place. [2021-03-26 10:33:12,314 INFO L142 LiptonReduction]: Number of co-enabled transitions 160 [2021-03-26 10:33:12,641 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 10:33:12,817 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 10:33:12,879 INFO L154 LiptonReduction]: Checked pairs total: 39 [2021-03-26 10:33:12,879 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:33:12,879 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 582 [2021-03-26 10:33:12,880 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 24 transitions, 112 flow [2021-03-26 10:33:12,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:33:12,880 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:12,881 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:12,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:33:12,881 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:12,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:12,881 INFO L82 PathProgramCache]: Analyzing trace with hash 17191968, now seen corresponding path program 1 times [2021-03-26 10:33:12,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:12,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717125423] [2021-03-26 10:33:12,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:12,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:12,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:33:12,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:12,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:12,933 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:33:12,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:33:12,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:12,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:12,943 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 10:33:12,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717125423] [2021-03-26 10:33:12,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:12,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:33:12,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774026637] [2021-03-26 10:33:12,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:33:12,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:12,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:33:12,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:33:12,947 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 117 [2021-03-26 10:33:12,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 24 transitions, 112 flow. Second operand has 5 states, 5 states have (on average 83.0) internal successors, (415), 5 states have internal predecessors, (415), 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 10:33:12,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:12,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 117 [2021-03-26 10:33:12,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:13,007 INFO L129 PetriNetUnfolder]: 135/318 cut-off events. [2021-03-26 10:33:13,007 INFO L130 PetriNetUnfolder]: For 315/416 co-relation queries the response was YES. [2021-03-26 10:33:13,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1079 conditions, 318 events. 135/318 cut-off events. For 315/416 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1649 event pairs, 7 based on Foata normal form. 37/348 useless extension candidates. Maximal degree in co-relation 1066. Up to 125 conditions per place. [2021-03-26 10:33:13,009 INFO L132 encePairwiseOnDemand]: 108/117 looper letters, 16 selfloop transitions, 8 changer transitions 21/54 dead transitions. [2021-03-26 10:33:13,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 54 transitions, 380 flow [2021-03-26 10:33:13,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:33:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:33:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 612 transitions. [2021-03-26 10:33:13,011 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7472527472527473 [2021-03-26 10:33:13,011 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 612 transitions. [2021-03-26 10:33:13,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 612 transitions. [2021-03-26 10:33:13,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:13,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 612 transitions. [2021-03-26 10:33:13,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 87.42857142857143) internal successors, (612), 7 states have internal predecessors, (612), 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 10:33:13,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 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 10:33:13,015 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 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 10:33:13,015 INFO L185 Difference]: Start difference. First operand has 31 places, 24 transitions, 112 flow. Second operand 7 states and 612 transitions. [2021-03-26 10:33:13,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 54 transitions, 380 flow [2021-03-26 10:33:13,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 54 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:33:13,017 INFO L241 Difference]: Finished difference. Result has 41 places, 28 transitions, 170 flow [2021-03-26 10:33:13,017 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=170, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2021-03-26 10:33:13,018 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 10 predicate places. [2021-03-26 10:33:13,018 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:13,018 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 170 flow [2021-03-26 10:33:13,019 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 170 flow [2021-03-26 10:33:13,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 170 flow [2021-03-26 10:33:13,030 INFO L129 PetriNetUnfolder]: 80/207 cut-off events. [2021-03-26 10:33:13,030 INFO L130 PetriNetUnfolder]: For 332/389 co-relation queries the response was YES. [2021-03-26 10:33:13,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 657 conditions, 207 events. 80/207 cut-off events. For 332/389 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1006 event pairs, 10 based on Foata normal form. 20/222 useless extension candidates. Maximal degree in co-relation 640. Up to 87 conditions per place. [2021-03-26 10:33:13,032 INFO L142 LiptonReduction]: Number of co-enabled transitions 182 [2021-03-26 10:33:13,036 INFO L154 LiptonReduction]: Checked pairs total: 15 [2021-03-26 10:33:13,036 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:13,036 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 10:33:13,038 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 170 flow [2021-03-26 10:33:13,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 83.0) internal successors, (415), 5 states have internal predecessors, (415), 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 10:33:13,038 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:13,038 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:13,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:33:13,038 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:13,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:13,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1298501072, now seen corresponding path program 1 times [2021-03-26 10:33:13,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:13,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227713120] [2021-03-26 10:33:13,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:13,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:33:13,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,101 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:33:13,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:33:13,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,117 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 10:33:13,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227713120] [2021-03-26 10:33:13,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:13,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:33:13,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736399405] [2021-03-26 10:33:13,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:33:13,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:13,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:33:13,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:33:13,121 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 117 [2021-03-26 10:33:13,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 170 flow. Second operand has 5 states, 5 states have (on average 83.0) internal successors, (415), 5 states have internal predecessors, (415), 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 10:33:13,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:13,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 117 [2021-03-26 10:33:13,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:13,178 INFO L129 PetriNetUnfolder]: 82/224 cut-off events. [2021-03-26 10:33:13,178 INFO L130 PetriNetUnfolder]: For 740/901 co-relation queries the response was YES. [2021-03-26 10:33:13,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 893 conditions, 224 events. 82/224 cut-off events. For 740/901 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1124 event pairs, 9 based on Foata normal form. 31/250 useless extension candidates. Maximal degree in co-relation 874. Up to 87 conditions per place. [2021-03-26 10:33:13,181 INFO L132 encePairwiseOnDemand]: 108/117 looper letters, 15 selfloop transitions, 13 changer transitions 19/56 dead transitions. [2021-03-26 10:33:13,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 56 transitions, 464 flow [2021-03-26 10:33:13,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:33:13,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:33:13,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 610 transitions. [2021-03-26 10:33:13,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7448107448107448 [2021-03-26 10:33:13,182 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 610 transitions. [2021-03-26 10:33:13,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 610 transitions. [2021-03-26 10:33:13,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:13,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 610 transitions. [2021-03-26 10:33:13,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 87.14285714285714) internal successors, (610), 7 states have internal predecessors, (610), 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 10:33:13,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 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 10:33:13,186 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 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 10:33:13,186 INFO L185 Difference]: Start difference. First operand has 38 places, 28 transitions, 170 flow. Second operand 7 states and 610 transitions. [2021-03-26 10:33:13,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 56 transitions, 464 flow [2021-03-26 10:33:13,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 56 transitions, 449 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-03-26 10:33:13,190 INFO L241 Difference]: Finished difference. Result has 48 places, 32 transitions, 269 flow [2021-03-26 10:33:13,190 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=269, PETRI_PLACES=48, PETRI_TRANSITIONS=32} [2021-03-26 10:33:13,190 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 17 predicate places. [2021-03-26 10:33:13,190 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:13,190 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 32 transitions, 269 flow [2021-03-26 10:33:13,191 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 32 transitions, 269 flow [2021-03-26 10:33:13,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 32 transitions, 269 flow [2021-03-26 10:33:13,200 INFO L129 PetriNetUnfolder]: 55/154 cut-off events. [2021-03-26 10:33:13,200 INFO L130 PetriNetUnfolder]: For 462/546 co-relation queries the response was YES. [2021-03-26 10:33:13,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 154 events. 55/154 cut-off events. For 462/546 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 681 event pairs, 3 based on Foata normal form. 7/155 useless extension candidates. Maximal degree in co-relation 616. Up to 60 conditions per place. [2021-03-26 10:33:13,202 INFO L142 LiptonReduction]: Number of co-enabled transitions 200 [2021-03-26 10:33:13,214 INFO L154 LiptonReduction]: Checked pairs total: 70 [2021-03-26 10:33:13,214 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:13,215 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-26 10:33:13,216 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 32 transitions, 269 flow [2021-03-26 10:33:13,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 83.0) internal successors, (415), 5 states have internal predecessors, (415), 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 10:33:13,216 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:13,216 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:13,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:33:13,216 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:13,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:13,217 INFO L82 PathProgramCache]: Analyzing trace with hash -314122702, now seen corresponding path program 1 times [2021-03-26 10:33:13,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:13,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196327084] [2021-03-26 10:33:13,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:13,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,263 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 10:33:13,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196327084] [2021-03-26 10:33:13,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:13,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:33:13,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725777989] [2021-03-26 10:33:13,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:33:13,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:13,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:33:13,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:33:13,265 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 117 [2021-03-26 10:33:13,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 32 transitions, 269 flow. Second operand has 4 states, 4 states have (on average 95.75) internal successors, (383), 4 states have internal predecessors, (383), 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 10:33:13,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:13,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 117 [2021-03-26 10:33:13,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:13,290 INFO L129 PetriNetUnfolder]: 56/163 cut-off events. [2021-03-26 10:33:13,290 INFO L130 PetriNetUnfolder]: For 703/792 co-relation queries the response was YES. [2021-03-26 10:33:13,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 163 events. 56/163 cut-off events. For 703/792 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 726 event pairs, 5 based on Foata normal form. 16/176 useless extension candidates. Maximal degree in co-relation 723. Up to 59 conditions per place. [2021-03-26 10:33:13,293 INFO L132 encePairwiseOnDemand]: 112/117 looper letters, 10 selfloop transitions, 8 changer transitions 6/45 dead transitions. [2021-03-26 10:33:13,293 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 45 transitions, 445 flow [2021-03-26 10:33:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:33:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:33:13,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 489 transitions. [2021-03-26 10:33:13,295 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8358974358974359 [2021-03-26 10:33:13,295 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 489 transitions. [2021-03-26 10:33:13,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 489 transitions. [2021-03-26 10:33:13,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:13,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 489 transitions. [2021-03-26 10:33:13,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 97.8) internal successors, (489), 5 states have internal predecessors, (489), 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 10:33:13,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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 10:33:13,297 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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 10:33:13,297 INFO L185 Difference]: Start difference. First operand has 45 places, 32 transitions, 269 flow. Second operand 5 states and 489 transitions. [2021-03-26 10:33:13,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 45 transitions, 445 flow [2021-03-26 10:33:13,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 45 transitions, 423 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-26 10:33:13,301 INFO L241 Difference]: Finished difference. Result has 48 places, 39 transitions, 367 flow [2021-03-26 10:33:13,301 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=367, PETRI_PLACES=48, PETRI_TRANSITIONS=39} [2021-03-26 10:33:13,301 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 17 predicate places. [2021-03-26 10:33:13,301 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:13,301 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 39 transitions, 367 flow [2021-03-26 10:33:13,301 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 39 transitions, 367 flow [2021-03-26 10:33:13,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 39 transitions, 367 flow [2021-03-26 10:33:13,309 INFO L129 PetriNetUnfolder]: 50/142 cut-off events. [2021-03-26 10:33:13,309 INFO L130 PetriNetUnfolder]: For 453/499 co-relation queries the response was YES. [2021-03-26 10:33:13,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 142 events. 50/142 cut-off events. For 453/499 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 629 event pairs, 2 based on Foata normal form. 1/141 useless extension candidates. Maximal degree in co-relation 611. Up to 51 conditions per place. [2021-03-26 10:33:13,311 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-26 10:33:13,313 INFO L154 LiptonReduction]: Checked pairs total: 157 [2021-03-26 10:33:13,314 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:13,314 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-26 10:33:13,314 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 367 flow [2021-03-26 10:33:13,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 95.75) internal successors, (383), 4 states have internal predecessors, (383), 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 10:33:13,315 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:13,315 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:13,315 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:33:13,315 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:13,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:13,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1595200370, now seen corresponding path program 1 times [2021-03-26 10:33:13,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:13,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450247956] [2021-03-26 10:33:13,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:13,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,352 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:33:13,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:33:13,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,362 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 10:33:13,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450247956] [2021-03-26 10:33:13,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:13,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:33:13,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517522558] [2021-03-26 10:33:13,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:33:13,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:13,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:33:13,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:33:13,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 117 [2021-03-26 10:33:13,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 367 flow. Second operand has 5 states, 5 states have (on average 83.2) internal successors, (416), 5 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 10:33:13,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:13,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 117 [2021-03-26 10:33:13,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:13,410 INFO L129 PetriNetUnfolder]: 51/149 cut-off events. [2021-03-26 10:33:13,410 INFO L130 PetriNetUnfolder]: For 683/849 co-relation queries the response was YES. [2021-03-26 10:33:13,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 149 events. 51/149 cut-off events. For 683/849 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 627 event pairs, 0 based on Foata normal form. 10/156 useless extension candidates. Maximal degree in co-relation 761. Up to 58 conditions per place. [2021-03-26 10:33:13,411 INFO L132 encePairwiseOnDemand]: 108/117 looper letters, 21 selfloop transitions, 20 changer transitions 8/58 dead transitions. [2021-03-26 10:33:13,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 58 transitions, 663 flow [2021-03-26 10:33:13,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:33:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:33:13,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 603 transitions. [2021-03-26 10:33:13,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7362637362637363 [2021-03-26 10:33:13,413 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 603 transitions. [2021-03-26 10:33:13,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 603 transitions. [2021-03-26 10:33:13,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:13,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 603 transitions. [2021-03-26 10:33:13,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 86.14285714285714) internal successors, (603), 7 states have internal predecessors, (603), 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 10:33:13,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 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 10:33:13,416 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 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 10:33:13,416 INFO L185 Difference]: Start difference. First operand has 46 places, 39 transitions, 367 flow. Second operand 7 states and 603 transitions. [2021-03-26 10:33:13,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 58 transitions, 663 flow [2021-03-26 10:33:13,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 58 transitions, 633 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 10:33:13,419 INFO L241 Difference]: Finished difference. Result has 54 places, 45 transitions, 512 flow [2021-03-26 10:33:13,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=512, PETRI_PLACES=54, PETRI_TRANSITIONS=45} [2021-03-26 10:33:13,419 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 23 predicate places. [2021-03-26 10:33:13,420 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:13,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 45 transitions, 512 flow [2021-03-26 10:33:13,420 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 45 transitions, 512 flow [2021-03-26 10:33:13,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 45 transitions, 512 flow [2021-03-26 10:33:13,428 INFO L129 PetriNetUnfolder]: 46/134 cut-off events. [2021-03-26 10:33:13,428 INFO L130 PetriNetUnfolder]: For 762/816 co-relation queries the response was YES. [2021-03-26 10:33:13,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 134 events. 46/134 cut-off events. For 762/816 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 563 event pairs, 2 based on Foata normal form. 4/137 useless extension candidates. Maximal degree in co-relation 670. Up to 50 conditions per place. [2021-03-26 10:33:13,430 INFO L142 LiptonReduction]: Number of co-enabled transitions 228 [2021-03-26 10:33:13,433 INFO L154 LiptonReduction]: Checked pairs total: 178 [2021-03-26 10:33:13,433 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:13,433 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-26 10:33:13,436 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 45 transitions, 512 flow [2021-03-26 10:33:13,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 83.2) internal successors, (416), 5 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 10:33:13,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:13,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:13,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:33:13,437 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:13,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:13,437 INFO L82 PathProgramCache]: Analyzing trace with hash -145616302, now seen corresponding path program 1 times [2021-03-26 10:33:13,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:13,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582386606] [2021-03-26 10:33:13,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:13,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,479 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:33:13,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:33:13,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:33:13,484 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 10:33:13,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582386606] [2021-03-26 10:33:13,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:13,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:33:13,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356915095] [2021-03-26 10:33:13,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:33:13,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:13,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:33:13,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:33:13,486 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 117 [2021-03-26 10:33:13,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 512 flow. Second operand has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 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 10:33:13,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:13,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 117 [2021-03-26 10:33:13,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:13,525 INFO L129 PetriNetUnfolder]: 133/320 cut-off events. [2021-03-26 10:33:13,525 INFO L130 PetriNetUnfolder]: For 1716/1860 co-relation queries the response was YES. [2021-03-26 10:33:13,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1293 conditions, 320 events. 133/320 cut-off events. For 1716/1860 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 1779 event pairs, 33 based on Foata normal form. 38/345 useless extension candidates. Maximal degree in co-relation 1262. Up to 149 conditions per place. [2021-03-26 10:33:13,528 INFO L132 encePairwiseOnDemand]: 111/117 looper letters, 8 selfloop transitions, 8 changer transitions 0/55 dead transitions. [2021-03-26 10:33:13,528 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 55 transitions, 564 flow [2021-03-26 10:33:13,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:33:13,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:33:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 448 transitions. [2021-03-26 10:33:13,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7658119658119659 [2021-03-26 10:33:13,529 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 448 transitions. [2021-03-26 10:33:13,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 448 transitions. [2021-03-26 10:33:13,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:13,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 448 transitions. [2021-03-26 10:33:13,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 89.6) internal successors, (448), 5 states have internal predecessors, (448), 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 10:33:13,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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 10:33:13,531 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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 10:33:13,532 INFO L185 Difference]: Start difference. First operand has 51 places, 45 transitions, 512 flow. Second operand 5 states and 448 transitions. [2021-03-26 10:33:13,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 55 transitions, 564 flow [2021-03-26 10:33:13,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 55 transitions, 553 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 10:33:13,536 INFO L241 Difference]: Finished difference. Result has 55 places, 52 transitions, 561 flow [2021-03-26 10:33:13,536 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=561, PETRI_PLACES=55, PETRI_TRANSITIONS=52} [2021-03-26 10:33:13,536 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 24 predicate places. [2021-03-26 10:33:13,536 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:13,536 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 52 transitions, 561 flow [2021-03-26 10:33:13,536 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 52 transitions, 561 flow [2021-03-26 10:33:13,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 52 transitions, 561 flow [2021-03-26 10:33:13,558 INFO L129 PetriNetUnfolder]: 132/328 cut-off events. [2021-03-26 10:33:13,558 INFO L130 PetriNetUnfolder]: For 1326/1424 co-relation queries the response was YES. [2021-03-26 10:33:13,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1403 conditions, 328 events. 132/328 cut-off events. For 1326/1424 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 1923 event pairs, 34 based on Foata normal form. 15/329 useless extension candidates. Maximal degree in co-relation 1372. Up to 175 conditions per place. [2021-03-26 10:33:13,561 INFO L142 LiptonReduction]: Number of co-enabled transitions 378 [2021-03-26 10:33:13,573 INFO L154 LiptonReduction]: Checked pairs total: 33 [2021-03-26 10:33:13,573 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:33:13,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 10:33:13,573 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 51 transitions, 555 flow [2021-03-26 10:33:13,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 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 10:33:13,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:13,574 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:13,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:33:13,574 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:13,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:13,574 INFO L82 PathProgramCache]: Analyzing trace with hash 470793205, now seen corresponding path program 1 times [2021-03-26 10:33:13,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:13,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925015773] [2021-03-26 10:33:13,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:13,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,610 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:33:13,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:33:13,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:33:13,617 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 10:33:13,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925015773] [2021-03-26 10:33:13,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:13,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:33:13,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544714232] [2021-03-26 10:33:13,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:33:13,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:13,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:33:13,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:33:13,618 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 117 [2021-03-26 10:33:13,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 51 transitions, 555 flow. Second operand has 5 states, 5 states have (on average 86.8) internal successors, (434), 5 states have internal predecessors, (434), 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 10:33:13,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:13,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 117 [2021-03-26 10:33:13,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:13,660 INFO L129 PetriNetUnfolder]: 84/229 cut-off events. [2021-03-26 10:33:13,660 INFO L130 PetriNetUnfolder]: For 1147/1292 co-relation queries the response was YES. [2021-03-26 10:33:13,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1126 conditions, 229 events. 84/229 cut-off events. For 1147/1292 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1176 event pairs, 4 based on Foata normal form. 50/274 useless extension candidates. Maximal degree in co-relation 1093. Up to 129 conditions per place. [2021-03-26 10:33:13,661 INFO L132 encePairwiseOnDemand]: 111/117 looper letters, 5 selfloop transitions, 11 changer transitions 3/58 dead transitions. [2021-03-26 10:33:13,662 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 58 transitions, 633 flow [2021-03-26 10:33:13,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:33:13,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:33:13,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 537 transitions. [2021-03-26 10:33:13,663 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7649572649572649 [2021-03-26 10:33:13,663 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 537 transitions. [2021-03-26 10:33:13,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 537 transitions. [2021-03-26 10:33:13,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:13,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 537 transitions. [2021-03-26 10:33:13,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 89.5) internal successors, (537), 6 states have internal predecessors, (537), 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 10:33:13,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 10:33:13,666 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 10:33:13,666 INFO L185 Difference]: Start difference. First operand has 55 places, 51 transitions, 555 flow. Second operand 6 states and 537 transitions. [2021-03-26 10:33:13,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 58 transitions, 633 flow [2021-03-26 10:33:13,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 58 transitions, 623 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 10:33:13,671 INFO L241 Difference]: Finished difference. Result has 58 places, 55 transitions, 615 flow [2021-03-26 10:33:13,671 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=615, PETRI_PLACES=58, PETRI_TRANSITIONS=55} [2021-03-26 10:33:13,671 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 27 predicate places. [2021-03-26 10:33:13,671 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:13,678 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 55 transitions, 615 flow [2021-03-26 10:33:13,679 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 55 transitions, 615 flow [2021-03-26 10:33:13,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 55 transitions, 615 flow [2021-03-26 10:33:13,695 INFO L129 PetriNetUnfolder]: 78/221 cut-off events. [2021-03-26 10:33:13,695 INFO L130 PetriNetUnfolder]: For 950/1038 co-relation queries the response was YES. [2021-03-26 10:33:13,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1133 conditions, 221 events. 78/221 cut-off events. For 950/1038 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1173 event pairs, 4 based on Foata normal form. 4/221 useless extension candidates. Maximal degree in co-relation 1100. Up to 121 conditions per place. [2021-03-26 10:33:13,697 INFO L142 LiptonReduction]: Number of co-enabled transitions 300 [2021-03-26 10:33:13,705 INFO L154 LiptonReduction]: Checked pairs total: 24 [2021-03-26 10:33:13,705 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:33:13,705 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-26 10:33:13,705 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 54 transitions, 607 flow [2021-03-26 10:33:13,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 86.8) internal successors, (434), 5 states have internal predecessors, (434), 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 10:33:13,706 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:13,706 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:13,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:33:13,706 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:13,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:13,706 INFO L82 PathProgramCache]: Analyzing trace with hash -41331068, now seen corresponding path program 1 times [2021-03-26 10:33:13,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:13,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21013417] [2021-03-26 10:33:13,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:13,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:33:13,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,746 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 10:33:13,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21013417] [2021-03-26 10:33:13,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:13,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:33:13,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3756659] [2021-03-26 10:33:13,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:33:13,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:13,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:33:13,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:33:13,748 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 117 [2021-03-26 10:33:13,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 54 transitions, 607 flow. Second operand has 4 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 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 10:33:13,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:13,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 117 [2021-03-26 10:33:13,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:13,775 INFO L129 PetriNetUnfolder]: 82/230 cut-off events. [2021-03-26 10:33:13,775 INFO L130 PetriNetUnfolder]: For 1263/1359 co-relation queries the response was YES. [2021-03-26 10:33:13,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1242 conditions, 230 events. 82/230 cut-off events. For 1263/1359 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1128 event pairs, 6 based on Foata normal form. 11/235 useless extension candidates. Maximal degree in co-relation 1207. Up to 120 conditions per place. [2021-03-26 10:33:13,777 INFO L132 encePairwiseOnDemand]: 113/117 looper letters, 8 selfloop transitions, 12 changer transitions 2/54 dead transitions. [2021-03-26 10:33:13,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 54 transitions, 655 flow [2021-03-26 10:33:13,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:33:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:33:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 486 transitions. [2021-03-26 10:33:13,778 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8307692307692308 [2021-03-26 10:33:13,778 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 486 transitions. [2021-03-26 10:33:13,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 486 transitions. [2021-03-26 10:33:13,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:13,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 486 transitions. [2021-03-26 10:33:13,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 97.2) internal successors, (486), 5 states have internal predecessors, (486), 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 10:33:13,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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 10:33:13,780 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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 10:33:13,780 INFO L185 Difference]: Start difference. First operand has 58 places, 54 transitions, 607 flow. Second operand 5 states and 486 transitions. [2021-03-26 10:33:13,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 54 transitions, 655 flow [2021-03-26 10:33:13,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 54 transitions, 619 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-26 10:33:13,786 INFO L241 Difference]: Finished difference. Result has 59 places, 51 transitions, 589 flow [2021-03-26 10:33:13,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=589, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2021-03-26 10:33:13,786 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 28 predicate places. [2021-03-26 10:33:13,786 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:13,786 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 51 transitions, 589 flow [2021-03-26 10:33:13,786 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 51 transitions, 589 flow [2021-03-26 10:33:13,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 51 transitions, 589 flow [2021-03-26 10:33:13,798 INFO L129 PetriNetUnfolder]: 79/219 cut-off events. [2021-03-26 10:33:13,798 INFO L130 PetriNetUnfolder]: For 871/920 co-relation queries the response was YES. [2021-03-26 10:33:13,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1044 conditions, 219 events. 79/219 cut-off events. For 871/920 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1070 event pairs, 7 based on Foata normal form. 2/215 useless extension candidates. Maximal degree in co-relation 1011. Up to 80 conditions per place. [2021-03-26 10:33:13,800 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-26 10:33:13,803 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:33:13,803 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:13,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 10:33:13,804 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 589 flow [2021-03-26 10:33:13,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 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 10:33:13,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:13,804 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:13,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:33:13,804 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:13,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:13,805 INFO L82 PathProgramCache]: Analyzing trace with hash 237922969, now seen corresponding path program 1 times [2021-03-26 10:33:13,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:13,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534444424] [2021-03-26 10:33:13,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:13,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:13,843 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:33:13,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:33:13,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:13,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:33:13,848 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 10:33:13,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534444424] [2021-03-26 10:33:13,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:13,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:33:13,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471314936] [2021-03-26 10:33:13,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:33:13,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:13,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:33:13,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:33:13,850 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 117 [2021-03-26 10:33:13,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 589 flow. Second operand has 6 states, 6 states have (on average 86.83333333333333) internal successors, (521), 6 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 10:33:13,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:13,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 117 [2021-03-26 10:33:13,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:13,906 INFO L129 PetriNetUnfolder]: 71/195 cut-off events. [2021-03-26 10:33:13,906 INFO L130 PetriNetUnfolder]: For 790/934 co-relation queries the response was YES. [2021-03-26 10:33:13,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1018 conditions, 195 events. 71/195 cut-off events. For 790/934 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 915 event pairs, 0 based on Foata normal form. 45/232 useless extension candidates. Maximal degree in co-relation 990. Up to 70 conditions per place. [2021-03-26 10:33:13,907 INFO L132 encePairwiseOnDemand]: 111/117 looper letters, 2 selfloop transitions, 11 changer transitions 23/55 dead transitions. [2021-03-26 10:33:13,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 55 transitions, 651 flow [2021-03-26 10:33:13,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:33:13,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:33:13,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 620 transitions. [2021-03-26 10:33:13,909 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.757020757020757 [2021-03-26 10:33:13,909 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 620 transitions. [2021-03-26 10:33:13,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 620 transitions. [2021-03-26 10:33:13,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:13,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 620 transitions. [2021-03-26 10:33:13,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 88.57142857142857) internal successors, (620), 7 states have internal predecessors, (620), 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 10:33:13,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 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 10:33:13,912 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 117.0) internal successors, (936), 8 states have internal predecessors, (936), 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 10:33:13,912 INFO L185 Difference]: Start difference. First operand has 57 places, 51 transitions, 589 flow. Second operand 7 states and 620 transitions. [2021-03-26 10:33:13,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 55 transitions, 651 flow [2021-03-26 10:33:13,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 55 transitions, 609 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-03-26 10:33:13,915 INFO L241 Difference]: Finished difference. Result has 62 places, 32 transitions, 325 flow [2021-03-26 10:33:13,915 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=325, PETRI_PLACES=62, PETRI_TRANSITIONS=32} [2021-03-26 10:33:13,915 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 31 predicate places. [2021-03-26 10:33:13,915 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:13,915 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 32 transitions, 325 flow [2021-03-26 10:33:13,915 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 32 transitions, 325 flow [2021-03-26 10:33:13,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 32 transitions, 325 flow [2021-03-26 10:33:13,919 INFO L129 PetriNetUnfolder]: 11/53 cut-off events. [2021-03-26 10:33:13,919 INFO L130 PetriNetUnfolder]: For 155/159 co-relation queries the response was YES. [2021-03-26 10:33:13,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 53 events. 11/53 cut-off events. For 155/159 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 133 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 261. Up to 17 conditions per place. [2021-03-26 10:33:13,920 INFO L142 LiptonReduction]: Number of co-enabled transitions 36 [2021-03-26 10:33:14,106 INFO L154 LiptonReduction]: Checked pairs total: 23 [2021-03-26 10:33:14,106 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 10:33:14,106 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 191 [2021-03-26 10:33:14,107 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 30 transitions, 365 flow [2021-03-26 10:33:14,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 86.83333333333333) internal successors, (521), 6 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 10:33:14,107 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:14,107 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 10:33:14,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:33:14,107 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:14,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:14,108 INFO L82 PathProgramCache]: Analyzing trace with hash 343565028, now seen corresponding path program 1 times [2021-03-26 10:33:14,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:14,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447221970] [2021-03-26 10:33:14,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:14,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:14,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:33:14,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:14,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:14,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:14,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:14,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:14,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:14,139 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 10:33:14,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447221970] [2021-03-26 10:33:14,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:14,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:33:14,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721064729] [2021-03-26 10:33:14,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:33:14,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:14,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:33:14,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:33:14,140 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 122 [2021-03-26 10:33:14,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 30 transitions, 365 flow. Second operand has 5 states, 5 states have (on average 89.4) internal successors, (447), 5 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 10:33:14,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:14,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 122 [2021-03-26 10:33:14,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:14,163 INFO L129 PetriNetUnfolder]: 16/67 cut-off events. [2021-03-26 10:33:14,163 INFO L130 PetriNetUnfolder]: For 639/652 co-relation queries the response was YES. [2021-03-26 10:33:14,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 487 conditions, 67 events. 16/67 cut-off events. For 639/652 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 222 event pairs, 0 based on Foata normal form. 6/73 useless extension candidates. Maximal degree in co-relation 452. Up to 29 conditions per place. [2021-03-26 10:33:14,163 INFO L132 encePairwiseOnDemand]: 116/122 looper letters, 6 selfloop transitions, 5 changer transitions 7/33 dead transitions. [2021-03-26 10:33:14,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 33 transitions, 455 flow [2021-03-26 10:33:14,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:33:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:33:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 455 transitions. [2021-03-26 10:33:14,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7459016393442623 [2021-03-26 10:33:14,164 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 455 transitions. [2021-03-26 10:33:14,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 455 transitions. [2021-03-26 10:33:14,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:14,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 455 transitions. [2021-03-26 10:33:14,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 91.0) internal successors, (455), 5 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:33:14,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 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 10:33:14,166 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 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 10:33:14,166 INFO L185 Difference]: Start difference. First operand has 58 places, 30 transitions, 365 flow. Second operand 5 states and 455 transitions. [2021-03-26 10:33:14,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 33 transitions, 455 flow [2021-03-26 10:33:14,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 33 transitions, 308 flow, removed 19 selfloop flow, removed 16 redundant places. [2021-03-26 10:33:14,169 INFO L241 Difference]: Finished difference. Result has 47 places, 26 transitions, 213 flow [2021-03-26 10:33:14,169 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=213, PETRI_PLACES=47, PETRI_TRANSITIONS=26} [2021-03-26 10:33:14,169 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 16 predicate places. [2021-03-26 10:33:14,169 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:14,169 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 26 transitions, 213 flow [2021-03-26 10:33:14,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 26 transitions, 213 flow [2021-03-26 10:33:14,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 26 transitions, 213 flow [2021-03-26 10:33:14,172 INFO L129 PetriNetUnfolder]: 11/42 cut-off events. [2021-03-26 10:33:14,172 INFO L130 PetriNetUnfolder]: For 154/154 co-relation queries the response was YES. [2021-03-26 10:33:14,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 42 events. 11/42 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 95 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 184. Up to 14 conditions per place. [2021-03-26 10:33:14,173 INFO L142 LiptonReduction]: Number of co-enabled transitions 24 [2021-03-26 10:33:14,190 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:33:14,190 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:33:14,190 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 10:33:14,190 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 26 transitions, 214 flow [2021-03-26 10:33:14,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 89.4) internal successors, (447), 5 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 10:33:14,191 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:33:14,191 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:33:14,191 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:33:14,191 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:33:14,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:33:14,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1324868683, now seen corresponding path program 1 times [2021-03-26 10:33:14,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:33:14,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463623884] [2021-03-26 10:33:14,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:33:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:33:14,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:14,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:14,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:33:14,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:33:14,226 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:33:14,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:33:14,232 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 10:33:14,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463623884] [2021-03-26 10:33:14,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:33:14,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:33:14,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418528155] [2021-03-26 10:33:14,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:33:14,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:33:14,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:33:14,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:33:14,234 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 123 [2021-03-26 10:33:14,234 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 26 transitions, 214 flow. Second operand has 5 states, 5 states have (on average 87.6) internal successors, (438), 5 states have internal predecessors, (438), 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 10:33:14,234 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:33:14,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 123 [2021-03-26 10:33:14,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:33:14,251 INFO L129 PetriNetUnfolder]: 10/38 cut-off events. [2021-03-26 10:33:14,251 INFO L130 PetriNetUnfolder]: For 273/278 co-relation queries the response was YES. [2021-03-26 10:33:14,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 38 events. 10/38 cut-off events. For 273/278 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 82 event pairs, 0 based on Foata normal form. 6/44 useless extension candidates. Maximal degree in co-relation 196. Up to 18 conditions per place. [2021-03-26 10:33:14,251 INFO L132 encePairwiseOnDemand]: 120/123 looper letters, 0 selfloop transitions, 0 changer transitions 25/25 dead transitions. [2021-03-26 10:33:14,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 25 transitions, 222 flow [2021-03-26 10:33:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:33:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:33:14,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 357 transitions. [2021-03-26 10:33:14,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.725609756097561 [2021-03-26 10:33:14,253 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 357 transitions. [2021-03-26 10:33:14,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 357 transitions. [2021-03-26 10:33:14,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:33:14,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 357 transitions. [2021-03-26 10:33:14,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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 10:33:14,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 123.0) internal successors, (615), 5 states have internal predecessors, (615), 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 10:33:14,254 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 123.0) internal successors, (615), 5 states have internal predecessors, (615), 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 10:33:14,254 INFO L185 Difference]: Start difference. First operand has 43 places, 26 transitions, 214 flow. Second operand 4 states and 357 transitions. [2021-03-26 10:33:14,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 25 transitions, 222 flow [2021-03-26 10:33:14,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 25 transitions, 165 flow, removed 3 selfloop flow, removed 10 redundant places. [2021-03-26 10:33:14,255 INFO L241 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2021-03-26 10:33:14,255 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2021-03-26 10:33:14,255 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 4 predicate places. [2021-03-26 10:33:14,255 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:33:14,255 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 0 transitions, 0 flow [2021-03-26 10:33:14,256 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 0 transitions, 0 flow [2021-03-26 10:33:14,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 10:33:14,256 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 10:33:14,256 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:33:14,256 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 10:33:14,256 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 10:33:14,256 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:33:14,256 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:33:14,256 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 10:33:14,258 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 10:33:14,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 87.6) internal successors, (438), 5 states have internal predecessors, (438), 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 10:33:14,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:33:14,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:33:14 BasicIcfg [2021-03-26 10:33:14,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:33:14,261 INFO L168 Benchmark]: Toolchain (without parser) took 4349.80 ms. Allocated memory was 255.9 MB in the beginning and 471.9 MB in the end (delta: 216.0 MB). Free memory was 234.6 MB in the beginning and 278.6 MB in the end (delta: -44.0 MB). Peak memory consumption was 170.5 MB. Max. memory is 16.0 GB. [2021-03-26 10:33:14,261 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 237.8 MB in the end (delta: 183.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:33:14,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.86 ms. Allocated memory was 255.9 MB in the beginning and 392.2 MB in the end (delta: 136.3 MB). Free memory was 234.6 MB in the beginning and 354.5 MB in the end (delta: -119.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-26 10:33:14,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.53 ms. Allocated memory is still 392.2 MB. Free memory was 354.5 MB in the beginning and 353.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:33:14,262 INFO L168 Benchmark]: Boogie Preprocessor took 13.35 ms. Allocated memory is still 392.2 MB. Free memory was 353.1 MB in the beginning and 351.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:33:14,262 INFO L168 Benchmark]: RCFGBuilder took 300.06 ms. Allocated memory is still 392.2 MB. Free memory was 351.8 MB in the beginning and 329.3 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:33:14,263 INFO L168 Benchmark]: TraceAbstraction took 3631.74 ms. Allocated memory was 392.2 MB in the beginning and 471.9 MB in the end (delta: 79.7 MB). Free memory was 329.3 MB in the beginning and 278.6 MB in the end (delta: 50.7 MB). Peak memory consumption was 131.9 MB. Max. memory is 16.0 GB. [2021-03-26 10:33:14,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 237.8 MB in the end (delta: 183.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 362.86 ms. Allocated memory was 255.9 MB in the beginning and 392.2 MB in the end (delta: 136.3 MB). Free memory was 234.6 MB in the beginning and 354.5 MB in the end (delta: -119.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 36.53 ms. Allocated memory is still 392.2 MB. Free memory was 354.5 MB in the beginning and 353.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.35 ms. Allocated memory is still 392.2 MB. Free memory was 353.1 MB in the beginning and 351.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 300.06 ms. Allocated memory is still 392.2 MB. Free memory was 351.8 MB in the beginning and 329.3 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3631.74 ms. Allocated memory was 392.2 MB in the beginning and 471.9 MB in the end (delta: 79.7 MB). Free memory was 329.3 MB in the beginning and 278.6 MB in the end (delta: 50.7 MB). Peak memory consumption was 131.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1115.0ms, 68 PlacesBefore, 31 PlacesAfterwards, 59 TransitionsBefore, 21 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 4 FixpointIterations, 14 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 40 TotalNumberOfCompositions, 1194 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 743, positive: 704, positive conditional: 704, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 743, positive: 704, positive conditional: 0, positive unconditional: 704, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 743, positive: 704, positive conditional: 0, positive unconditional: 704, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 631, positive: 602, positive conditional: 0, positive unconditional: 602, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 631, positive: 596, positive conditional: 0, positive unconditional: 596, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 743, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 631, unknown conditional: 0, unknown unconditional: 631] , Statistics on independence cache: Total cache size (in pairs): 631, Positive cache size: 602, Positive conditional cache size: 0, Positive unconditional cache size: 602, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 582.0ms, 36 PlacesBefore, 31 PlacesAfterwards, 27 TransitionsBefore, 24 TransitionsAfterwards, 160 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 39 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 14, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 635, Positive cache size: 605, Positive conditional cache size: 0, Positive unconditional cache size: 605, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.7ms, 41 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 182 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 15 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 9, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 637, Positive cache size: 607, Positive conditional cache size: 0, Positive unconditional cache size: 607, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.5ms, 48 PlacesBefore, 45 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 70 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 41, positive: 37, positive conditional: 4, positive unconditional: 33, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 41, positive: 37, positive conditional: 4, positive unconditional: 33, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 17, positive conditional: 3, positive unconditional: 14, 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: 19, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 41, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 19, unknown conditional: 3, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 656, Positive cache size: 624, Positive conditional cache size: 3, Positive unconditional cache size: 621, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.1ms, 48 PlacesBefore, 46 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 157 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 108, positive: 99, positive conditional: 4, positive unconditional: 95, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 108, positive: 99, positive conditional: 4, positive unconditional: 95, negative: 9, negative conditional: 0, negative unconditional: 9, 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: 108, positive: 99, positive conditional: 4, positive unconditional: 95, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 656, Positive cache size: 624, Positive conditional cache size: 3, Positive unconditional cache size: 621, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.2ms, 54 PlacesBefore, 51 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 178 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82, positive: 73, positive conditional: 73, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 82, positive: 73, positive conditional: 15, positive unconditional: 58, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82, positive: 73, positive conditional: 15, positive unconditional: 58, negative: 9, negative conditional: 0, negative unconditional: 9, 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: 82, positive: 73, positive conditional: 15, positive unconditional: 58, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 656, Positive cache size: 624, Positive conditional cache size: 3, Positive unconditional cache size: 621, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.6ms, 55 PlacesBefore, 55 PlacesAfterwards, 52 TransitionsBefore, 51 TransitionsAfterwards, 378 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 33 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 33, positive conditional: 33, 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: 33, positive: 33, positive conditional: 19, positive unconditional: 14, 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: 33, positive: 33, positive conditional: 19, positive unconditional: 14, 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: 9, positive: 9, positive conditional: 6, positive unconditional: 3, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 33, positive: 24, positive conditional: 13, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 6, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 665, Positive cache size: 633, Positive conditional cache size: 9, Positive unconditional cache size: 624, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.3ms, 58 PlacesBefore, 58 PlacesAfterwards, 55 TransitionsBefore, 54 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 24 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 24, 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: 24, positive: 24, positive conditional: 16, positive unconditional: 8, 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: 24, positive: 24, positive conditional: 16, positive unconditional: 8, 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: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 24, positive: 22, positive conditional: 14, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 667, Positive cache size: 635, Positive conditional cache size: 11, Positive unconditional cache size: 624, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.1ms, 59 PlacesBefore, 57 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 212 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): 667, Positive cache size: 635, Positive conditional cache size: 11, Positive unconditional cache size: 624, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 190.6ms, 62 PlacesBefore, 58 PlacesAfterwards, 32 TransitionsBefore, 30 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 23 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 4, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 670, Positive cache size: 636, Positive conditional cache size: 11, Positive unconditional cache size: 625, Negative cache size: 34, Negative conditional cache size: 1, Negative unconditional cache size: 33, Eliminated conditions: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.4ms, 47 PlacesBefore, 43 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 24 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 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): 670, Positive cache size: 636, Positive conditional cache size: 11, Positive unconditional cache size: 625, Negative cache size: 34, Negative conditional cache size: 1, Negative unconditional cache size: 33, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5ms, 35 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): 670, Positive cache size: 636, Positive conditional cache size: 11, Positive unconditional cache size: 625, Negative cache size: 34, Negative conditional cache size: 1, Negative unconditional cache size: 33, 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 4 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 3540.5ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 621.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1198.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 98 SDtfs, 86 SDslu, 99 SDs, 0 SdLazy, 212 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 118.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 152.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=615occurred in iteration=7, InterpolantAutomatonStates: 63, 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: 21.5ms SsaConstructionTime, 164.2ms SatisfiabilityAnalysisTime, 412.5ms InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...