/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/mix021_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 09:59:16,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 09:59:16,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 09:59:16,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 09:59:16,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 09:59:16,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 09:59:16,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 09:59:16,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 09:59:16,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 09:59:16,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 09:59:16,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 09:59:16,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 09:59:16,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 09:59:16,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 09:59:16,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 09:59:16,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 09:59:16,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 09:59:16,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 09:59:16,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 09:59:16,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 09:59:16,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 09:59:16,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 09:59:16,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 09:59:16,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 09:59:16,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 09:59:16,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 09:59:16,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 09:59:16,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 09:59:16,998 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 09:59:17,032 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 09:59:17,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 09:59:17,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 09:59:17,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 09:59:17,035 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 09:59:17,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 09:59:17,036 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 09:59:17,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 09:59:17,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 09:59:17,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 09:59:17,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 09:59:17,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 09:59:17,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 09:59:17,038 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 09:59:17,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 09:59:17,038 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 09:59:17,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 09:59:17,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 09:59:17,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 09:59:17,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 09:59:17,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 09:59:17,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 09:59:17,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 09:59:17,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 09:59:17,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 09:59:17,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 09:59:17,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 09:59:17,040 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 09:59:17,040 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 09:59:17,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 09:59:17,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 09:59:17,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 09:59:17,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 09:59:17,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 09:59:17,375 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 09:59:17,375 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 09:59:17,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix021_tso.oepc.i [2021-03-26 09:59:17,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e001560a/b790f1324c73463fad05cf39e50dc0c2/FLAGdce5c2732 [2021-03-26 09:59:17,894 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 09:59:17,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021_tso.oepc.i [2021-03-26 09:59:17,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e001560a/b790f1324c73463fad05cf39e50dc0c2/FLAGdce5c2732 [2021-03-26 09:59:18,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e001560a/b790f1324c73463fad05cf39e50dc0c2 [2021-03-26 09:59:18,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 09:59:18,254 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 09:59:18,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 09:59:18,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 09:59:18,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 09:59:18,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 09:59:18" (1/1) ... [2021-03-26 09:59:18,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37da303a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18, skipping insertion in model container [2021-03-26 09:59:18,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 09:59:18" (1/1) ... [2021-03-26 09:59:18,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 09:59:18,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 09:59:18,450 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/mix021_tso.oepc.i[949,962] [2021-03-26 09:59:18,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 09:59:18,688 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 09:59:18,698 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/mix021_tso.oepc.i[949,962] [2021-03-26 09:59:18,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 09:59:18,813 INFO L208 MainTranslator]: Completed translation [2021-03-26 09:59:18,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18 WrapperNode [2021-03-26 09:59:18,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 09:59:18,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 09:59:18,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 09:59:18,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 09:59:18,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18" (1/1) ... [2021-03-26 09:59:18,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18" (1/1) ... [2021-03-26 09:59:18,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 09:59:18,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 09:59:18,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 09:59:18,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 09:59:18,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18" (1/1) ... [2021-03-26 09:59:18,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18" (1/1) ... [2021-03-26 09:59:18,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18" (1/1) ... [2021-03-26 09:59:18,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18" (1/1) ... [2021-03-26 09:59:18,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18" (1/1) ... [2021-03-26 09:59:18,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18" (1/1) ... [2021-03-26 09:59:18,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18" (1/1) ... [2021-03-26 09:59:18,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 09:59:18,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 09:59:18,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 09:59:18,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 09:59:18,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18" (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 09:59:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 09:59:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 09:59:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 09:59:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 09:59:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 09:59:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 09:59:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 09:59:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 09:59:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 09:59:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 09:59:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 09:59:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 09:59:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 09:59:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 09:59:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 09:59:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 09:59:18,989 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 09:59:20,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 09:59:20,455 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 09:59:20,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 09:59:20 BoogieIcfgContainer [2021-03-26 09:59:20,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 09:59:20,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 09:59:20,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 09:59:20,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 09:59:20,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 09:59:18" (1/3) ... [2021-03-26 09:59:20,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f4f18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 09:59:20, skipping insertion in model container [2021-03-26 09:59:20,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 09:59:18" (2/3) ... [2021-03-26 09:59:20,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f4f18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 09:59:20, skipping insertion in model container [2021-03-26 09:59:20,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 09:59:20" (3/3) ... [2021-03-26 09:59:20,463 INFO L111 eAbstractionObserver]: Analyzing ICFG mix021_tso.oepc.i [2021-03-26 09:59:20,468 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 09:59:20,472 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 09:59:20,473 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 09:59:20,509 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,509 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,509 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,509 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,509 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,509 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,509 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,510 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,511 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,511 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,511 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,511 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,515 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,515 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,516 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,516 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,516 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,516 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,516 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,517 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,521 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,521 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,521 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,521 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,528 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,529 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,529 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,531 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,531 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,532 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,532 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,532 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,533 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,533 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,533 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,534 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,534 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,535 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,535 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 09:59:20,536 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 09:59:20,551 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 09:59:20,568 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 09:59:20,568 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 09:59:20,568 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 09:59:20,569 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 09:59:20,569 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 09:59:20,569 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 09:59:20,569 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 09:59:20,569 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 09:59:20,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-03-26 09:59:20,613 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-26 09:59:20,613 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:59:20,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-26 09:59:20,617 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-03-26 09:59:20,621 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-03-26 09:59:20,622 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:20,632 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-26 09:59:20,634 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-26 09:59:20,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-03-26 09:59:20,680 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-26 09:59:20,680 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:59:20,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-26 09:59:20,683 INFO L142 LiptonReduction]: Number of co-enabled transitions 2630 [2021-03-26 09:59:22,361 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 09:59:22,771 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 09:59:22,886 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 09:59:23,582 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-03-26 09:59:23,862 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 09:59:25,156 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-03-26 09:59:25,731 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-26 09:59:26,962 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-26 09:59:27,239 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-26 09:59:27,806 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 09:59:28,421 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 09:59:28,939 INFO L154 LiptonReduction]: Checked pairs total: 5205 [2021-03-26 09:59:28,939 INFO L156 LiptonReduction]: Total number of compositions: 74 [2021-03-26 09:59:28,941 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8320 [2021-03-26 09:59:28,949 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 09:59:28,949 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:59:28,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:28,950 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 09:59:28,950 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:28,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:28,954 INFO L82 PathProgramCache]: Analyzing trace with hash 595482538, now seen corresponding path program 1 times [2021-03-26 09:59:28,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:28,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736777842] [2021-03-26 09:59:28,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:29,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:29,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:59:29,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:29,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:29,167 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 09:59:29,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736777842] [2021-03-26 09:59:29,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:29,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 09:59:29,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44586975] [2021-03-26 09:59:29,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 09:59:29,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:29,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 09:59:29,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 09:59:29,189 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 190 [2021-03-26 09:59:29,194 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 47 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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 09:59:29,194 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:29,194 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 190 [2021-03-26 09:59:29,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:29,308 INFO L129 PetriNetUnfolder]: 69/206 cut-off events. [2021-03-26 09:59:29,308 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:59:29,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 206 events. 69/206 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 954 event pairs, 39 based on Foata normal form. 10/194 useless extension candidates. Maximal degree in co-relation 315. Up to 89 conditions per place. [2021-03-26 09:59:29,312 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 9 selfloop transitions, 2 changer transitions 5/49 dead transitions. [2021-03-26 09:59:29,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 49 transitions, 136 flow [2021-03-26 09:59:29,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 09:59:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 09:59:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2021-03-26 09:59:29,330 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9175438596491228 [2021-03-26 09:59:29,331 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 523 transitions. [2021-03-26 09:59:29,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 523 transitions. [2021-03-26 09:59:29,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:29,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 523 transitions. [2021-03-26 09:59:29,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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 09:59:29,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 09:59:29,348 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 09:59:29,350 INFO L185 Difference]: Start difference. First operand has 59 places, 47 transitions, 106 flow. Second operand 3 states and 523 transitions. [2021-03-26 09:59:29,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 49 transitions, 136 flow [2021-03-26 09:59:29,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 49 transitions, 132 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 09:59:29,354 INFO L241 Difference]: Finished difference. Result has 55 places, 40 transitions, 92 flow [2021-03-26 09:59:29,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=55, PETRI_TRANSITIONS=40} [2021-03-26 09:59:29,355 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -4 predicate places. [2021-03-26 09:59:29,355 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:29,356 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 40 transitions, 92 flow [2021-03-26 09:59:29,357 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 40 transitions, 92 flow [2021-03-26 09:59:29,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 40 transitions, 92 flow [2021-03-26 09:59:29,363 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-03-26 09:59:29,363 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:59:29,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 40 events. 0/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 44 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 09:59:29,364 INFO L142 LiptonReduction]: Number of co-enabled transitions 434 [2021-03-26 09:59:30,052 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 09:59:30,346 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 09:59:30,932 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-03-26 09:59:31,547 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-03-26 09:59:32,822 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-26 09:59:32,957 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-26 09:59:33,234 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-26 09:59:33,369 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-26 09:59:33,374 INFO L154 LiptonReduction]: Checked pairs total: 2544 [2021-03-26 09:59:33,374 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 09:59:33,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4019 [2021-03-26 09:59:33,376 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 68 flow [2021-03-26 09:59:33,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 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 09:59:33,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:33,376 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:33,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 09:59:33,377 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:33,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:33,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1052868086, now seen corresponding path program 1 times [2021-03-26 09:59:33,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:33,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851863345] [2021-03-26 09:59:33,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:33,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:33,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:33,507 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 09:59:33,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 09:59:33,513 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 09:59:33,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851863345] [2021-03-26 09:59:33,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:33,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 09:59:33,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534332564] [2021-03-26 09:59:33,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 09:59:33,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:33,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 09:59:33,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 09:59:33,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 202 [2021-03-26 09:59:33,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 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 09:59:33,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:33,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 202 [2021-03-26 09:59:33,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:33,531 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-26 09:59:33,531 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:59:33,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 1/28 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 09:59:33,532 INFO L132 encePairwiseOnDemand]: 199/202 looper letters, 1 selfloop transitions, 2 changer transitions 1/28 dead transitions. [2021-03-26 09:59:33,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 28 transitions, 74 flow [2021-03-26 09:59:33,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 09:59:33,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 09:59:33,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2021-03-26 09:59:33,534 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8828382838283828 [2021-03-26 09:59:33,534 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 535 transitions. [2021-03-26 09:59:33,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 535 transitions. [2021-03-26 09:59:33,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:33,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 535 transitions. [2021-03-26 09:59:33,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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 09:59:33,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 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 09:59:33,538 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 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 09:59:33,538 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 68 flow. Second operand 3 states and 535 transitions. [2021-03-26 09:59:33,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 28 transitions, 74 flow [2021-03-26 09:59:33,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 28 transitions, 70 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 09:59:33,539 INFO L241 Difference]: Finished difference. Result has 40 places, 27 transitions, 70 flow [2021-03-26 09:59:33,539 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=40, PETRI_TRANSITIONS=27} [2021-03-26 09:59:33,540 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -19 predicate places. [2021-03-26 09:59:33,540 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:33,540 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 27 transitions, 70 flow [2021-03-26 09:59:33,540 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 27 transitions, 70 flow [2021-03-26 09:59:33,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 27 transitions, 70 flow [2021-03-26 09:59:33,544 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-03-26 09:59:33,544 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 09:59:33,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 27 events. 0/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 09:59:33,545 INFO L142 LiptonReduction]: Number of co-enabled transitions 366 [2021-03-26 09:59:33,596 INFO L154 LiptonReduction]: Checked pairs total: 851 [2021-03-26 09:59:33,596 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 09:59:33,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-03-26 09:59:33,597 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 26 transitions, 68 flow [2021-03-26 09:59:33,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 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 09:59:33,598 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:33,598 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:33,598 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 09:59:33,598 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:33,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:33,599 INFO L82 PathProgramCache]: Analyzing trace with hash -703200331, now seen corresponding path program 1 times [2021-03-26 09:59:33,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:33,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635486428] [2021-03-26 09:59:33,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:33,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:33,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:33,683 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 09:59:33,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635486428] [2021-03-26 09:59:33,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:33,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 09:59:33,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063119552] [2021-03-26 09:59:33,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 09:59:33,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:33,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 09:59:33,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 09:59:33,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 203 [2021-03-26 09:59:33,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 26 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 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 09:59:33,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:33,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 203 [2021-03-26 09:59:33,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:33,699 INFO L129 PetriNetUnfolder]: 3/38 cut-off events. [2021-03-26 09:59:33,700 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 09:59:33,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 38 events. 3/38 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 1 based on Foata normal form. 1/37 useless extension candidates. Maximal degree in co-relation 56. Up to 10 conditions per place. [2021-03-26 09:59:33,700 INFO L132 encePairwiseOnDemand]: 199/203 looper letters, 3 selfloop transitions, 3 changer transitions 0/28 dead transitions. [2021-03-26 09:59:33,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 28 transitions, 84 flow [2021-03-26 09:59:33,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 09:59:33,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 09:59:33,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2021-03-26 09:59:33,703 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2021-03-26 09:59:33,703 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2021-03-26 09:59:33,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2021-03-26 09:59:33,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:33,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2021-03-26 09:59:33,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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 09:59:33,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 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 09:59:33,706 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 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 09:59:33,706 INFO L185 Difference]: Start difference. First operand has 38 places, 26 transitions, 68 flow. Second operand 3 states and 553 transitions. [2021-03-26 09:59:33,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 28 transitions, 84 flow [2021-03-26 09:59:33,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 28 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 09:59:33,708 INFO L241 Difference]: Finished difference. Result has 39 places, 28 transitions, 83 flow [2021-03-26 09:59:33,708 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=83, PETRI_PLACES=39, PETRI_TRANSITIONS=28} [2021-03-26 09:59:33,708 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -20 predicate places. [2021-03-26 09:59:33,709 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:33,709 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 28 transitions, 83 flow [2021-03-26 09:59:33,716 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 28 transitions, 83 flow [2021-03-26 09:59:33,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 83 flow [2021-03-26 09:59:33,721 INFO L129 PetriNetUnfolder]: 3/34 cut-off events. [2021-03-26 09:59:33,721 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 09:59:33,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 34 events. 3/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 71 event pairs, 1 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 53. Up to 10 conditions per place. [2021-03-26 09:59:33,724 INFO L142 LiptonReduction]: Number of co-enabled transitions 390 [2021-03-26 09:59:33,726 INFO L154 LiptonReduction]: Checked pairs total: 368 [2021-03-26 09:59:33,726 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:33,727 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 09:59:33,729 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 83 flow [2021-03-26 09:59:33,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 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 09:59:33,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:33,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:33,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 09:59:33,730 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:33,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:33,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1142953404, now seen corresponding path program 1 times [2021-03-26 09:59:33,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:33,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99763740] [2021-03-26 09:59:33,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:33,819 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 09:59:33,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 09:59:33,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 09:59:33,850 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 09:59:33,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99763740] [2021-03-26 09:59:33,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:33,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 09:59:33,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110536039] [2021-03-26 09:59:33,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 09:59:33,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:33,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 09:59:33,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 09:59:33,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 203 [2021-03-26 09:59:33,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 83 flow. Second operand has 4 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 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 09:59:33,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:33,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 203 [2021-03-26 09:59:33,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:33,974 INFO L129 PetriNetUnfolder]: 172/324 cut-off events. [2021-03-26 09:59:33,974 INFO L130 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2021-03-26 09:59:33,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 693 conditions, 324 events. 172/324 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1575 event pairs, 112 based on Foata normal form. 1/290 useless extension candidates. Maximal degree in co-relation 682. Up to 247 conditions per place. [2021-03-26 09:59:33,977 INFO L132 encePairwiseOnDemand]: 198/203 looper letters, 8 selfloop transitions, 4 changer transitions 0/32 dead transitions. [2021-03-26 09:59:33,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 32 transitions, 115 flow [2021-03-26 09:59:33,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 09:59:33,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 09:59:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 508 transitions. [2021-03-26 09:59:33,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8341543513957307 [2021-03-26 09:59:33,981 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 508 transitions. [2021-03-26 09:59:33,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 508 transitions. [2021-03-26 09:59:33,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:33,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 508 transitions. [2021-03-26 09:59:33,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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 09:59:33,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 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 09:59:33,984 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 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 09:59:33,984 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 83 flow. Second operand 3 states and 508 transitions. [2021-03-26 09:59:33,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 32 transitions, 115 flow [2021-03-26 09:59:33,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 112 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 09:59:33,988 INFO L241 Difference]: Finished difference. Result has 41 places, 31 transitions, 106 flow [2021-03-26 09:59:33,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=41, PETRI_TRANSITIONS=31} [2021-03-26 09:59:33,988 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -18 predicate places. [2021-03-26 09:59:33,988 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:33,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 31 transitions, 106 flow [2021-03-26 09:59:33,988 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 31 transitions, 106 flow [2021-03-26 09:59:33,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 31 transitions, 106 flow [2021-03-26 09:59:34,010 INFO L129 PetriNetUnfolder]: 37/117 cut-off events. [2021-03-26 09:59:34,011 INFO L130 PetriNetUnfolder]: For 55/61 co-relation queries the response was YES. [2021-03-26 09:59:34,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 117 events. 37/117 cut-off events. For 55/61 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 489 event pairs, 15 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 228. Up to 56 conditions per place. [2021-03-26 09:59:34,013 INFO L142 LiptonReduction]: Number of co-enabled transitions 436 [2021-03-26 09:59:34,041 INFO L154 LiptonReduction]: Checked pairs total: 330 [2021-03-26 09:59:34,041 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:34,041 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-03-26 09:59:34,046 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 31 transitions, 106 flow [2021-03-26 09:59:34,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 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 09:59:34,046 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:34,047 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:34,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 09:59:34,047 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:34,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:34,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1089541410, now seen corresponding path program 1 times [2021-03-26 09:59:34,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:34,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205761489] [2021-03-26 09:59:34,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:34,138 INFO L142 QuantifierPusher]: treesize reduction 21, result has 25.0 percent of original size [2021-03-26 09:59:34,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 09:59:34,144 INFO L142 QuantifierPusher]: treesize reduction 21, result has 32.3 percent of original size [2021-03-26 09:59:34,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 09:59:34,151 INFO L142 QuantifierPusher]: treesize reduction 21, result has 36.4 percent of original size [2021-03-26 09:59:34,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 09:59:34,159 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 09:59:34,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205761489] [2021-03-26 09:59:34,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:34,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:59:34,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099985088] [2021-03-26 09:59:34,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:59:34,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:34,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:59:34,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:59:34,162 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 203 [2021-03-26 09:59:34,163 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 31 transitions, 106 flow. Second operand has 5 states, 5 states have (on average 165.8) internal successors, (829), 5 states have internal predecessors, (829), 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 09:59:34,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:34,164 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 203 [2021-03-26 09:59:34,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:34,286 INFO L129 PetriNetUnfolder]: 156/301 cut-off events. [2021-03-26 09:59:34,286 INFO L130 PetriNetUnfolder]: For 200/252 co-relation queries the response was YES. [2021-03-26 09:59:34,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 301 events. 156/301 cut-off events. For 200/252 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1417 event pairs, 58 based on Foata normal form. 17/289 useless extension candidates. Maximal degree in co-relation 752. Up to 187 conditions per place. [2021-03-26 09:59:34,293 INFO L132 encePairwiseOnDemand]: 196/203 looper letters, 10 selfloop transitions, 9 changer transitions 0/39 dead transitions. [2021-03-26 09:59:34,293 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 39 transitions, 168 flow [2021-03-26 09:59:34,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 09:59:34,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 09:59:34,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 678 transitions. [2021-03-26 09:59:34,295 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8349753694581281 [2021-03-26 09:59:34,296 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 678 transitions. [2021-03-26 09:59:34,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 678 transitions. [2021-03-26 09:59:34,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:34,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 678 transitions. [2021-03-26 09:59:34,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 169.5) internal successors, (678), 4 states have internal predecessors, (678), 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 09:59:34,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 203.0) internal successors, (1015), 5 states have internal predecessors, (1015), 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 09:59:34,300 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 203.0) internal successors, (1015), 5 states have internal predecessors, (1015), 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 09:59:34,300 INFO L185 Difference]: Start difference. First operand has 41 places, 31 transitions, 106 flow. Second operand 4 states and 678 transitions. [2021-03-26 09:59:34,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 39 transitions, 168 flow [2021-03-26 09:59:34,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 39 transitions, 164 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 09:59:34,303 INFO L241 Difference]: Finished difference. Result has 45 places, 36 transitions, 162 flow [2021-03-26 09:59:34,303 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=162, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2021-03-26 09:59:34,303 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -14 predicate places. [2021-03-26 09:59:34,303 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:34,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 36 transitions, 162 flow [2021-03-26 09:59:34,305 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 36 transitions, 162 flow [2021-03-26 09:59:34,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 36 transitions, 162 flow [2021-03-26 09:59:34,332 INFO L129 PetriNetUnfolder]: 75/202 cut-off events. [2021-03-26 09:59:34,332 INFO L130 PetriNetUnfolder]: For 241/282 co-relation queries the response was YES. [2021-03-26 09:59:34,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 556 conditions, 202 events. 75/202 cut-off events. For 241/282 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1044 event pairs, 11 based on Foata normal form. 2/180 useless extension candidates. Maximal degree in co-relation 542. Up to 97 conditions per place. [2021-03-26 09:59:34,336 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-26 09:59:34,346 INFO L154 LiptonReduction]: Checked pairs total: 272 [2021-03-26 09:59:34,346 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:34,346 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-26 09:59:34,348 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 162 flow [2021-03-26 09:59:34,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 165.8) internal successors, (829), 5 states have internal predecessors, (829), 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 09:59:34,349 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:34,349 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:34,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 09:59:34,349 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:34,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:34,349 INFO L82 PathProgramCache]: Analyzing trace with hash -328910232, now seen corresponding path program 1 times [2021-03-26 09:59:34,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:34,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615368254] [2021-03-26 09:59:34,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:34,465 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-03-26 09:59:34,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 09:59:34,477 INFO L142 QuantifierPusher]: treesize reduction 40, result has 55.6 percent of original size [2021-03-26 09:59:34,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 09:59:34,497 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 09:59:34,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 09:59:34,527 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 09:59:34,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615368254] [2021-03-26 09:59:34,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:34,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:59:34,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899176658] [2021-03-26 09:59:34,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:59:34,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:34,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:59:34,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:59:34,531 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 203 [2021-03-26 09:59:34,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 162 flow. Second operand has 5 states, 5 states have (on average 160.8) internal successors, (804), 5 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:59:34,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:34,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 203 [2021-03-26 09:59:34,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:34,638 INFO L129 PetriNetUnfolder]: 153/299 cut-off events. [2021-03-26 09:59:34,638 INFO L130 PetriNetUnfolder]: For 426/585 co-relation queries the response was YES. [2021-03-26 09:59:34,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 299 events. 153/299 cut-off events. For 426/585 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1420 event pairs, 51 based on Foata normal form. 13/284 useless extension candidates. Maximal degree in co-relation 1000. Up to 221 conditions per place. [2021-03-26 09:59:34,643 INFO L132 encePairwiseOnDemand]: 197/203 looper letters, 14 selfloop transitions, 8 changer transitions 0/42 dead transitions. [2021-03-26 09:59:34,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 42 transitions, 235 flow [2021-03-26 09:59:34,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 09:59:34,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 09:59:34,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 657 transitions. [2021-03-26 09:59:34,645 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8091133004926109 [2021-03-26 09:59:34,645 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 657 transitions. [2021-03-26 09:59:34,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 657 transitions. [2021-03-26 09:59:34,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:34,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 657 transitions. [2021-03-26 09:59:34,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 164.25) internal successors, (657), 4 states have internal predecessors, (657), 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 09:59:34,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 203.0) internal successors, (1015), 5 states have internal predecessors, (1015), 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 09:59:34,649 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 203.0) internal successors, (1015), 5 states have internal predecessors, (1015), 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 09:59:34,649 INFO L185 Difference]: Start difference. First operand has 45 places, 36 transitions, 162 flow. Second operand 4 states and 657 transitions. [2021-03-26 09:59:34,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 42 transitions, 235 flow [2021-03-26 09:59:34,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 42 transitions, 226 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 09:59:34,654 INFO L241 Difference]: Finished difference. Result has 49 places, 40 transitions, 210 flow [2021-03-26 09:59:34,654 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=210, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2021-03-26 09:59:34,654 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -10 predicate places. [2021-03-26 09:59:34,655 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:34,655 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 40 transitions, 210 flow [2021-03-26 09:59:34,655 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 40 transitions, 210 flow [2021-03-26 09:59:34,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 40 transitions, 210 flow [2021-03-26 09:59:34,687 INFO L129 PetriNetUnfolder]: 107/262 cut-off events. [2021-03-26 09:59:34,688 INFO L130 PetriNetUnfolder]: For 539/583 co-relation queries the response was YES. [2021-03-26 09:59:34,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 262 events. 107/262 cut-off events. For 539/583 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1398 event pairs, 24 based on Foata normal form. 3/230 useless extension candidates. Maximal degree in co-relation 807. Up to 121 conditions per place. [2021-03-26 09:59:34,691 INFO L142 LiptonReduction]: Number of co-enabled transitions 562 [2021-03-26 09:59:34,699 INFO L154 LiptonReduction]: Checked pairs total: 219 [2021-03-26 09:59:34,699 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:34,699 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-03-26 09:59:34,703 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 210 flow [2021-03-26 09:59:34,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 160.8) internal successors, (804), 5 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:59:34,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:34,703 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:34,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 09:59:34,703 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:34,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:34,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1185327246, now seen corresponding path program 1 times [2021-03-26 09:59:34,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:34,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906586948] [2021-03-26 09:59:34,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:34,801 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-03-26 09:59:34,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 09:59:34,808 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-03-26 09:59:34,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 09:59:34,817 INFO L142 QuantifierPusher]: treesize reduction 30, result has 41.2 percent of original size [2021-03-26 09:59:34,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 09:59:34,837 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 09:59:34,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 09:59:34,858 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 09:59:34,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906586948] [2021-03-26 09:59:34,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:34,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:59:34,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659035847] [2021-03-26 09:59:34,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 09:59:34,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:34,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 09:59:34,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 09:59:34,860 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 203 [2021-03-26 09:59:34,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 210 flow. Second operand has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 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 09:59:34,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:34,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 203 [2021-03-26 09:59:34,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:34,981 INFO L129 PetriNetUnfolder]: 169/331 cut-off events. [2021-03-26 09:59:34,982 INFO L130 PetriNetUnfolder]: For 689/935 co-relation queries the response was YES. [2021-03-26 09:59:34,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1240 conditions, 331 events. 169/331 cut-off events. For 689/935 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1582 event pairs, 35 based on Foata normal form. 24/327 useless extension candidates. Maximal degree in co-relation 1221. Up to 197 conditions per place. [2021-03-26 09:59:34,985 INFO L132 encePairwiseOnDemand]: 195/203 looper letters, 14 selfloop transitions, 13 changer transitions 0/47 dead transitions. [2021-03-26 09:59:34,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 47 transitions, 300 flow [2021-03-26 09:59:34,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:59:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:59:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 831 transitions. [2021-03-26 09:59:34,988 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.81871921182266 [2021-03-26 09:59:34,989 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 831 transitions. [2021-03-26 09:59:34,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 831 transitions. [2021-03-26 09:59:34,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:34,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 831 transitions. [2021-03-26 09:59:34,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 166.2) internal successors, (831), 5 states have internal predecessors, (831), 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 09:59:34,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:34,993 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:34,993 INFO L185 Difference]: Start difference. First operand has 49 places, 40 transitions, 210 flow. Second operand 5 states and 831 transitions. [2021-03-26 09:59:34,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 47 transitions, 300 flow [2021-03-26 09:59:34,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 47 transitions, 288 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-26 09:59:34,996 INFO L241 Difference]: Finished difference. Result has 53 places, 43 transitions, 252 flow [2021-03-26 09:59:34,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=252, PETRI_PLACES=53, PETRI_TRANSITIONS=43} [2021-03-26 09:59:34,997 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -6 predicate places. [2021-03-26 09:59:34,997 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:34,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 43 transitions, 252 flow [2021-03-26 09:59:34,997 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 43 transitions, 252 flow [2021-03-26 09:59:34,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 43 transitions, 252 flow [2021-03-26 09:59:35,034 INFO L129 PetriNetUnfolder]: 148/325 cut-off events. [2021-03-26 09:59:35,034 INFO L130 PetriNetUnfolder]: For 799/881 co-relation queries the response was YES. [2021-03-26 09:59:35,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 325 events. 148/325 cut-off events. For 799/881 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1669 event pairs, 33 based on Foata normal form. 3/295 useless extension candidates. Maximal degree in co-relation 1128. Up to 159 conditions per place. [2021-03-26 09:59:35,039 INFO L142 LiptonReduction]: Number of co-enabled transitions 610 [2021-03-26 09:59:35,048 INFO L154 LiptonReduction]: Checked pairs total: 327 [2021-03-26 09:59:35,048 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:35,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-03-26 09:59:35,050 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 43 transitions, 252 flow [2021-03-26 09:59:35,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 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 09:59:35,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:35,051 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:35,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 09:59:35,051 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:35,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:35,052 INFO L82 PathProgramCache]: Analyzing trace with hash 164060014, now seen corresponding path program 2 times [2021-03-26 09:59:35,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:35,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117131433] [2021-03-26 09:59:35,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:35,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:35,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 09:59:35,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:35,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 09:59:35,142 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 09:59:35,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 09:59:35,174 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-03-26 09:59:35,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 09:59:35,200 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 09:59:35,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117131433] [2021-03-26 09:59:35,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:35,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:59:35,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455783170] [2021-03-26 09:59:35,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 09:59:35,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:35,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 09:59:35,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 09:59:35,203 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 203 [2021-03-26 09:59:35,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 43 transitions, 252 flow. Second operand has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 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 09:59:35,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:35,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 203 [2021-03-26 09:59:35,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:35,347 INFO L129 PetriNetUnfolder]: 177/345 cut-off events. [2021-03-26 09:59:35,347 INFO L130 PetriNetUnfolder]: For 1089/1372 co-relation queries the response was YES. [2021-03-26 09:59:35,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1473 conditions, 345 events. 177/345 cut-off events. For 1089/1372 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1667 event pairs, 37 based on Foata normal form. 28/345 useless extension candidates. Maximal degree in co-relation 1452. Up to 205 conditions per place. [2021-03-26 09:59:35,352 INFO L132 encePairwiseOnDemand]: 196/203 looper letters, 15 selfloop transitions, 18 changer transitions 0/53 dead transitions. [2021-03-26 09:59:35,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 53 transitions, 390 flow [2021-03-26 09:59:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:59:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:59:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 831 transitions. [2021-03-26 09:59:35,354 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.81871921182266 [2021-03-26 09:59:35,355 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 831 transitions. [2021-03-26 09:59:35,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 831 transitions. [2021-03-26 09:59:35,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:35,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 831 transitions. [2021-03-26 09:59:35,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 166.2) internal successors, (831), 5 states have internal predecessors, (831), 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 09:59:35,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:35,359 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:35,359 INFO L185 Difference]: Start difference. First operand has 53 places, 43 transitions, 252 flow. Second operand 5 states and 831 transitions. [2021-03-26 09:59:35,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 53 transitions, 390 flow [2021-03-26 09:59:35,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 53 transitions, 360 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 09:59:35,366 INFO L241 Difference]: Finished difference. Result has 56 places, 49 transitions, 334 flow [2021-03-26 09:59:35,366 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=334, PETRI_PLACES=56, PETRI_TRANSITIONS=49} [2021-03-26 09:59:35,366 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2021-03-26 09:59:35,366 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:35,366 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 49 transitions, 334 flow [2021-03-26 09:59:35,366 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 49 transitions, 334 flow [2021-03-26 09:59:35,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 49 transitions, 334 flow [2021-03-26 09:59:35,407 INFO L129 PetriNetUnfolder]: 154/327 cut-off events. [2021-03-26 09:59:35,408 INFO L130 PetriNetUnfolder]: For 1260/1386 co-relation queries the response was YES. [2021-03-26 09:59:35,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1422 conditions, 327 events. 154/327 cut-off events. For 1260/1386 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1741 event pairs, 33 based on Foata normal form. 8/302 useless extension candidates. Maximal degree in co-relation 1401. Up to 167 conditions per place. [2021-03-26 09:59:35,413 INFO L142 LiptonReduction]: Number of co-enabled transitions 674 [2021-03-26 09:59:35,450 INFO L154 LiptonReduction]: Checked pairs total: 705 [2021-03-26 09:59:35,450 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:35,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 84 [2021-03-26 09:59:35,450 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 49 transitions, 334 flow [2021-03-26 09:59:35,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 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 09:59:35,451 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:35,451 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:35,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 09:59:35,451 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:35,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:35,452 INFO L82 PathProgramCache]: Analyzing trace with hash -262514952, now seen corresponding path program 3 times [2021-03-26 09:59:35,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:35,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950935409] [2021-03-26 09:59:35,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:35,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:35,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 09:59:35,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:35,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 09:59:35,529 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-03-26 09:59:35,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 09:59:35,546 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-26 09:59:35,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 09:59:35,564 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 09:59:35,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950935409] [2021-03-26 09:59:35,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:35,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:59:35,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243333715] [2021-03-26 09:59:35,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 09:59:35,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:35,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 09:59:35,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 09:59:35,566 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 203 [2021-03-26 09:59:35,567 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 49 transitions, 334 flow. Second operand has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 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 09:59:35,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:35,567 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 203 [2021-03-26 09:59:35,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:35,727 INFO L129 PetriNetUnfolder]: 205/401 cut-off events. [2021-03-26 09:59:35,727 INFO L130 PetriNetUnfolder]: For 1920/2245 co-relation queries the response was YES. [2021-03-26 09:59:35,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2014 conditions, 401 events. 205/401 cut-off events. For 1920/2245 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1981 event pairs, 37 based on Foata normal form. 41/415 useless extension candidates. Maximal degree in co-relation 1991. Up to 238 conditions per place. [2021-03-26 09:59:35,733 INFO L132 encePairwiseOnDemand]: 195/203 looper letters, 19 selfloop transitions, 20 changer transitions 0/59 dead transitions. [2021-03-26 09:59:35,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 59 transitions, 501 flow [2021-03-26 09:59:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 09:59:35,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 09:59:35,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 993 transitions. [2021-03-26 09:59:35,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8152709359605911 [2021-03-26 09:59:35,737 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 993 transitions. [2021-03-26 09:59:35,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 993 transitions. [2021-03-26 09:59:35,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:35,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 993 transitions. [2021-03-26 09:59:35,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 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 09:59:35,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 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 09:59:35,742 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 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 09:59:35,742 INFO L185 Difference]: Start difference. First operand has 56 places, 49 transitions, 334 flow. Second operand 6 states and 993 transitions. [2021-03-26 09:59:35,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 59 transitions, 501 flow [2021-03-26 09:59:35,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 59 transitions, 470 flow, removed 9 selfloop flow, removed 1 redundant places. [2021-03-26 09:59:35,747 INFO L241 Difference]: Finished difference. Result has 61 places, 56 transitions, 430 flow [2021-03-26 09:59:35,747 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=430, PETRI_PLACES=61, PETRI_TRANSITIONS=56} [2021-03-26 09:59:35,747 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 2 predicate places. [2021-03-26 09:59:35,747 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:35,747 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 56 transitions, 430 flow [2021-03-26 09:59:35,748 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 56 transitions, 430 flow [2021-03-26 09:59:35,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 430 flow [2021-03-26 09:59:35,797 INFO L129 PetriNetUnfolder]: 192/392 cut-off events. [2021-03-26 09:59:35,797 INFO L130 PetriNetUnfolder]: For 1795/1905 co-relation queries the response was YES. [2021-03-26 09:59:35,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1930 conditions, 392 events. 192/392 cut-off events. For 1795/1905 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2040 event pairs, 39 based on Foata normal form. 8/370 useless extension candidates. Maximal degree in co-relation 1907. Up to 207 conditions per place. [2021-03-26 09:59:35,804 INFO L142 LiptonReduction]: Number of co-enabled transitions 768 [2021-03-26 09:59:35,828 INFO L154 LiptonReduction]: Checked pairs total: 923 [2021-03-26 09:59:35,828 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:35,829 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-03-26 09:59:35,829 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 56 transitions, 430 flow [2021-03-26 09:59:35,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 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 09:59:35,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:35,830 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:35,830 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 09:59:35,830 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:35,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:35,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1609245894, now seen corresponding path program 4 times [2021-03-26 09:59:35,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:35,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600789421] [2021-03-26 09:59:35,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:35,892 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-03-26 09:59:35,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 09:59:35,902 INFO L142 QuantifierPusher]: treesize reduction 40, result has 56.0 percent of original size [2021-03-26 09:59:35,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 09:59:35,924 INFO L142 QuantifierPusher]: treesize reduction 40, result has 57.4 percent of original size [2021-03-26 09:59:35,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 09:59:35,950 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 09:59:35,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 09:59:35,972 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 09:59:35,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600789421] [2021-03-26 09:59:35,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:35,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:59:35,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991032210] [2021-03-26 09:59:35,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 09:59:35,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:35,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 09:59:35,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 09:59:35,974 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 203 [2021-03-26 09:59:35,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 56 transitions, 430 flow. Second operand has 6 states, 6 states have (on average 160.83333333333334) internal successors, (965), 6 states have internal predecessors, (965), 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 09:59:35,975 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:35,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 203 [2021-03-26 09:59:35,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:36,103 INFO L129 PetriNetUnfolder]: 202/415 cut-off events. [2021-03-26 09:59:36,103 INFO L130 PetriNetUnfolder]: For 2317/2688 co-relation queries the response was YES. [2021-03-26 09:59:36,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2321 conditions, 415 events. 202/415 cut-off events. For 2317/2688 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2138 event pairs, 16 based on Foata normal form. 35/423 useless extension candidates. Maximal degree in co-relation 2296. Up to 240 conditions per place. [2021-03-26 09:59:36,109 INFO L132 encePairwiseOnDemand]: 196/203 looper letters, 29 selfloop transitions, 14 changer transitions 0/63 dead transitions. [2021-03-26 09:59:36,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 63 transitions, 595 flow [2021-03-26 09:59:36,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:59:36,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:59:36,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 817 transitions. [2021-03-26 09:59:36,112 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8049261083743843 [2021-03-26 09:59:36,112 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 817 transitions. [2021-03-26 09:59:36,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 817 transitions. [2021-03-26 09:59:36,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:36,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 817 transitions. [2021-03-26 09:59:36,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 163.4) internal successors, (817), 5 states have internal predecessors, (817), 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 09:59:36,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:36,117 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:36,117 INFO L185 Difference]: Start difference. First operand has 61 places, 56 transitions, 430 flow. Second operand 5 states and 817 transitions. [2021-03-26 09:59:36,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 63 transitions, 595 flow [2021-03-26 09:59:36,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 63 transitions, 532 flow, removed 23 selfloop flow, removed 3 redundant places. [2021-03-26 09:59:36,123 INFO L241 Difference]: Finished difference. Result has 63 places, 59 transitions, 455 flow [2021-03-26 09:59:36,123 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=455, PETRI_PLACES=63, PETRI_TRANSITIONS=59} [2021-03-26 09:59:36,124 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 4 predicate places. [2021-03-26 09:59:36,124 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:36,124 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 59 transitions, 455 flow [2021-03-26 09:59:36,124 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 59 transitions, 455 flow [2021-03-26 09:59:36,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 59 transitions, 455 flow [2021-03-26 09:59:36,175 INFO L129 PetriNetUnfolder]: 198/409 cut-off events. [2021-03-26 09:59:36,175 INFO L130 PetriNetUnfolder]: For 1887/1979 co-relation queries the response was YES. [2021-03-26 09:59:36,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1971 conditions, 409 events. 198/409 cut-off events. For 1887/1979 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2176 event pairs, 36 based on Foata normal form. 9/386 useless extension candidates. Maximal degree in co-relation 1947. Up to 219 conditions per place. [2021-03-26 09:59:36,182 INFO L142 LiptonReduction]: Number of co-enabled transitions 806 [2021-03-26 09:59:36,215 INFO L154 LiptonReduction]: Checked pairs total: 1246 [2021-03-26 09:59:36,215 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:36,215 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 91 [2021-03-26 09:59:36,217 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 59 transitions, 455 flow [2021-03-26 09:59:36,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 160.83333333333334) internal successors, (965), 6 states have internal predecessors, (965), 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 09:59:36,217 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:36,217 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:36,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 09:59:36,217 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:36,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:36,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1491661837, now seen corresponding path program 1 times [2021-03-26 09:59:36,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:36,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874919310] [2021-03-26 09:59:36,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:36,293 INFO L142 QuantifierPusher]: treesize reduction 17, result has 45.2 percent of original size [2021-03-26 09:59:36,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 09:59:36,302 INFO L142 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size [2021-03-26 09:59:36,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 09:59:36,323 INFO L142 QuantifierPusher]: treesize reduction 19, result has 67.8 percent of original size [2021-03-26 09:59:36,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 09:59:36,350 INFO L142 QuantifierPusher]: treesize reduction 8, result has 82.2 percent of original size [2021-03-26 09:59:36,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 09:59:36,398 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.7 percent of original size [2021-03-26 09:59:36,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 09:59:36,424 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 09:59:36,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874919310] [2021-03-26 09:59:36,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:36,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 09:59:36,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394094851] [2021-03-26 09:59:36,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 09:59:36,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:36,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 09:59:36,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 09:59:36,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 203 [2021-03-26 09:59:36,427 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 59 transitions, 455 flow. Second operand has 7 states, 7 states have (on average 162.85714285714286) internal successors, (1140), 7 states have internal predecessors, (1140), 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 09:59:36,427 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:36,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 203 [2021-03-26 09:59:36,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:36,598 INFO L129 PetriNetUnfolder]: 224/459 cut-off events. [2021-03-26 09:59:36,599 INFO L130 PetriNetUnfolder]: For 2451/2819 co-relation queries the response was YES. [2021-03-26 09:59:36,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2550 conditions, 459 events. 224/459 cut-off events. For 2451/2819 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2470 event pairs, 16 based on Foata normal form. 51/483 useless extension candidates. Maximal degree in co-relation 2524. Up to 263 conditions per place. [2021-03-26 09:59:36,606 INFO L132 encePairwiseOnDemand]: 195/203 looper letters, 22 selfloop transitions, 31 changer transitions 0/73 dead transitions. [2021-03-26 09:59:36,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 73 transitions, 715 flow [2021-03-26 09:59:36,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:59:36,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:59:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 832 transitions. [2021-03-26 09:59:36,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.819704433497537 [2021-03-26 09:59:36,609 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 832 transitions. [2021-03-26 09:59:36,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 832 transitions. [2021-03-26 09:59:36,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:36,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 832 transitions. [2021-03-26 09:59:36,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 166.4) internal successors, (832), 5 states have internal predecessors, (832), 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 09:59:36,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:36,613 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:36,613 INFO L185 Difference]: Start difference. First operand has 63 places, 59 transitions, 455 flow. Second operand 5 states and 832 transitions. [2021-03-26 09:59:36,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 73 transitions, 715 flow [2021-03-26 09:59:36,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 73 transitions, 648 flow, removed 30 selfloop flow, removed 2 redundant places. [2021-03-26 09:59:36,619 INFO L241 Difference]: Finished difference. Result has 66 places, 68 transitions, 604 flow [2021-03-26 09:59:36,619 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=604, PETRI_PLACES=66, PETRI_TRANSITIONS=68} [2021-03-26 09:59:36,619 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 7 predicate places. [2021-03-26 09:59:36,619 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:36,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 68 transitions, 604 flow [2021-03-26 09:59:36,620 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 68 transitions, 604 flow [2021-03-26 09:59:36,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 68 transitions, 604 flow [2021-03-26 09:59:36,675 INFO L129 PetriNetUnfolder]: 211/449 cut-off events. [2021-03-26 09:59:36,675 INFO L130 PetriNetUnfolder]: For 2455/2615 co-relation queries the response was YES. [2021-03-26 09:59:36,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2387 conditions, 449 events. 211/449 cut-off events. For 2455/2615 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2488 event pairs, 11 based on Foata normal form. 19/440 useless extension candidates. Maximal degree in co-relation 2362. Up to 251 conditions per place. [2021-03-26 09:59:36,684 INFO L142 LiptonReduction]: Number of co-enabled transitions 914 [2021-03-26 09:59:36,736 INFO L154 LiptonReduction]: Checked pairs total: 1540 [2021-03-26 09:59:36,736 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:36,736 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 117 [2021-03-26 09:59:36,739 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 68 transitions, 604 flow [2021-03-26 09:59:36,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 162.85714285714286) internal successors, (1140), 7 states have internal predecessors, (1140), 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 09:59:36,740 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:36,740 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:36,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 09:59:36,740 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:36,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:36,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1489903207, now seen corresponding path program 2 times [2021-03-26 09:59:36,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:36,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422738609] [2021-03-26 09:59:36,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:36,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:36,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 09:59:36,808 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 09:59:36,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 09:59:36,829 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 09:59:36,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 09:59:36,858 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 09:59:36,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 09:59:36,887 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 09:59:36,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 09:59:36,912 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 09:59:36,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422738609] [2021-03-26 09:59:36,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:36,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 09:59:36,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112404561] [2021-03-26 09:59:36,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 09:59:36,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:36,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 09:59:36,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 09:59:36,915 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 203 [2021-03-26 09:59:36,916 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 68 transitions, 604 flow. Second operand has 7 states, 7 states have (on average 157.85714285714286) internal successors, (1105), 7 states have internal predecessors, (1105), 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 09:59:36,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:36,916 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 203 [2021-03-26 09:59:36,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:37,087 INFO L129 PetriNetUnfolder]: 232/478 cut-off events. [2021-03-26 09:59:37,088 INFO L130 PetriNetUnfolder]: For 2907/3607 co-relation queries the response was YES. [2021-03-26 09:59:37,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2919 conditions, 478 events. 232/478 cut-off events. For 2907/3607 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2598 event pairs, 25 based on Foata normal form. 62/514 useless extension candidates. Maximal degree in co-relation 2892. Up to 315 conditions per place. [2021-03-26 09:59:37,094 INFO L132 encePairwiseOnDemand]: 195/203 looper letters, 38 selfloop transitions, 17 changer transitions 0/75 dead transitions. [2021-03-26 09:59:37,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 75 transitions, 793 flow [2021-03-26 09:59:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:59:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:59:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 806 transitions. [2021-03-26 09:59:37,096 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7940886699507389 [2021-03-26 09:59:37,097 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 806 transitions. [2021-03-26 09:59:37,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 806 transitions. [2021-03-26 09:59:37,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:37,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 806 transitions. [2021-03-26 09:59:37,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 161.2) internal successors, (806), 5 states have internal predecessors, (806), 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 09:59:37,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:37,100 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:37,100 INFO L185 Difference]: Start difference. First operand has 66 places, 68 transitions, 604 flow. Second operand 5 states and 806 transitions. [2021-03-26 09:59:37,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 75 transitions, 793 flow [2021-03-26 09:59:37,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 75 transitions, 734 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-26 09:59:37,107 INFO L241 Difference]: Finished difference. Result has 68 places, 72 transitions, 641 flow [2021-03-26 09:59:37,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=641, PETRI_PLACES=68, PETRI_TRANSITIONS=72} [2021-03-26 09:59:37,107 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 9 predicate places. [2021-03-26 09:59:37,107 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:37,107 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 72 transitions, 641 flow [2021-03-26 09:59:37,107 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 72 transitions, 641 flow [2021-03-26 09:59:37,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 72 transitions, 641 flow [2021-03-26 09:59:37,168 INFO L129 PetriNetUnfolder]: 225/476 cut-off events. [2021-03-26 09:59:37,168 INFO L130 PetriNetUnfolder]: For 2853/3114 co-relation queries the response was YES. [2021-03-26 09:59:37,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2517 conditions, 476 events. 225/476 cut-off events. For 2853/3114 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 2673 event pairs, 26 based on Foata normal form. 40/484 useless extension candidates. Maximal degree in co-relation 2491. Up to 269 conditions per place. [2021-03-26 09:59:37,175 INFO L142 LiptonReduction]: Number of co-enabled transitions 976 [2021-03-26 09:59:37,240 INFO L154 LiptonReduction]: Checked pairs total: 1891 [2021-03-26 09:59:37,240 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:37,240 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 133 [2021-03-26 09:59:37,241 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 72 transitions, 641 flow [2021-03-26 09:59:37,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 157.85714285714286) internal successors, (1105), 7 states have internal predecessors, (1105), 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 09:59:37,241 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:37,241 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:37,241 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 09:59:37,241 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:37,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:37,242 INFO L82 PathProgramCache]: Analyzing trace with hash 792347279, now seen corresponding path program 3 times [2021-03-26 09:59:37,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:37,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242164981] [2021-03-26 09:59:37,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:37,304 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-03-26 09:59:37,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 09:59:37,312 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-03-26 09:59:37,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 09:59:37,322 INFO L142 QuantifierPusher]: treesize reduction 30, result has 38.8 percent of original size [2021-03-26 09:59:37,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 09:59:37,335 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-03-26 09:59:37,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 09:59:37,354 INFO L142 QuantifierPusher]: treesize reduction 10, result has 78.3 percent of original size [2021-03-26 09:59:37,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 09:59:37,379 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 09:59:37,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242164981] [2021-03-26 09:59:37,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:37,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 09:59:37,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251733603] [2021-03-26 09:59:37,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 09:59:37,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:37,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 09:59:37,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 09:59:37,381 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 203 [2021-03-26 09:59:37,382 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 72 transitions, 641 flow. Second operand has 7 states, 7 states have (on average 159.85714285714286) internal successors, (1119), 7 states have internal predecessors, (1119), 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 09:59:37,382 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:37,382 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 203 [2021-03-26 09:59:37,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:37,546 INFO L129 PetriNetUnfolder]: 234/488 cut-off events. [2021-03-26 09:59:37,546 INFO L130 PetriNetUnfolder]: For 3280/4103 co-relation queries the response was YES. [2021-03-26 09:59:37,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2965 conditions, 488 events. 234/488 cut-off events. For 3280/4103 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 2700 event pairs, 23 based on Foata normal form. 74/536 useless extension candidates. Maximal degree in co-relation 2937. Up to 309 conditions per place. [2021-03-26 09:59:37,553 INFO L132 encePairwiseOnDemand]: 195/203 looper letters, 38 selfloop transitions, 19 changer transitions 0/77 dead transitions. [2021-03-26 09:59:37,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 77 transitions, 823 flow [2021-03-26 09:59:37,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:59:37,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:59:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 816 transitions. [2021-03-26 09:59:37,557 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8039408866995074 [2021-03-26 09:59:37,557 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 816 transitions. [2021-03-26 09:59:37,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 816 transitions. [2021-03-26 09:59:37,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:37,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 816 transitions. [2021-03-26 09:59:37,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 163.2) internal successors, (816), 5 states have internal predecessors, (816), 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 09:59:37,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:37,561 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:37,561 INFO L185 Difference]: Start difference. First operand has 68 places, 72 transitions, 641 flow. Second operand 5 states and 816 transitions. [2021-03-26 09:59:37,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 77 transitions, 823 flow [2021-03-26 09:59:37,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 77 transitions, 780 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-26 09:59:37,568 INFO L241 Difference]: Finished difference. Result has 70 places, 74 transitions, 681 flow [2021-03-26 09:59:37,568 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=681, PETRI_PLACES=70, PETRI_TRANSITIONS=74} [2021-03-26 09:59:37,568 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 11 predicate places. [2021-03-26 09:59:37,568 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:37,568 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 74 transitions, 681 flow [2021-03-26 09:59:37,568 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 74 transitions, 681 flow [2021-03-26 09:59:37,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 74 transitions, 681 flow [2021-03-26 09:59:37,628 INFO L129 PetriNetUnfolder]: 223/477 cut-off events. [2021-03-26 09:59:37,629 INFO L130 PetriNetUnfolder]: For 2989/3144 co-relation queries the response was YES. [2021-03-26 09:59:37,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2597 conditions, 477 events. 223/477 cut-off events. For 2989/3144 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 2680 event pairs, 15 based on Foata normal form. 42/491 useless extension candidates. Maximal degree in co-relation 2570. Up to 273 conditions per place. [2021-03-26 09:59:37,637 INFO L142 LiptonReduction]: Number of co-enabled transitions 1000 [2021-03-26 09:59:37,702 INFO L154 LiptonReduction]: Checked pairs total: 2036 [2021-03-26 09:59:37,702 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:37,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 134 [2021-03-26 09:59:37,703 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 74 transitions, 681 flow [2021-03-26 09:59:37,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 159.85714285714286) internal successors, (1119), 7 states have internal predecessors, (1119), 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 09:59:37,704 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:37,704 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:37,704 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 09:59:37,704 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:37,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:37,704 INFO L82 PathProgramCache]: Analyzing trace with hash 571824271, now seen corresponding path program 4 times [2021-03-26 09:59:37,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:37,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329587805] [2021-03-26 09:59:37,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:37,769 INFO L142 QuantifierPusher]: treesize reduction 30, result has 38.8 percent of original size [2021-03-26 09:59:37,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 09:59:37,781 INFO L142 QuantifierPusher]: treesize reduction 30, result has 42.3 percent of original size [2021-03-26 09:59:37,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 09:59:37,794 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-03-26 09:59:37,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 09:59:37,819 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 09:59:37,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 09:59:37,853 INFO L142 QuantifierPusher]: treesize reduction 27, result has 70.3 percent of original size [2021-03-26 09:59:37,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 09:59:37,886 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 09:59:37,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329587805] [2021-03-26 09:59:37,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:37,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 09:59:37,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432170700] [2021-03-26 09:59:37,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 09:59:37,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:37,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 09:59:37,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 09:59:37,888 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 203 [2021-03-26 09:59:37,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 74 transitions, 681 flow. Second operand has 7 states, 7 states have (on average 155.85714285714286) internal successors, (1091), 7 states have internal predecessors, (1091), 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 09:59:37,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:37,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 203 [2021-03-26 09:59:37,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:38,064 INFO L129 PetriNetUnfolder]: 231/494 cut-off events. [2021-03-26 09:59:38,064 INFO L130 PetriNetUnfolder]: For 3444/4205 co-relation queries the response was YES. [2021-03-26 09:59:38,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3028 conditions, 494 events. 231/494 cut-off events. For 3444/4205 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 2793 event pairs, 14 based on Foata normal form. 72/541 useless extension candidates. Maximal degree in co-relation 2999. Up to 283 conditions per place. [2021-03-26 09:59:38,071 INFO L132 encePairwiseOnDemand]: 195/203 looper letters, 30 selfloop transitions, 31 changer transitions 0/81 dead transitions. [2021-03-26 09:59:38,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 81 transitions, 892 flow [2021-03-26 09:59:38,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:59:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:59:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 797 transitions. [2021-03-26 09:59:38,074 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7852216748768472 [2021-03-26 09:59:38,074 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 797 transitions. [2021-03-26 09:59:38,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 797 transitions. [2021-03-26 09:59:38,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:38,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 797 transitions. [2021-03-26 09:59:38,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 159.4) internal successors, (797), 5 states have internal predecessors, (797), 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 09:59:38,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:38,078 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:38,078 INFO L185 Difference]: Start difference. First operand has 70 places, 74 transitions, 681 flow. Second operand 5 states and 797 transitions. [2021-03-26 09:59:38,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 81 transitions, 892 flow [2021-03-26 09:59:38,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 81 transitions, 849 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-03-26 09:59:38,086 INFO L241 Difference]: Finished difference. Result has 72 places, 76 transitions, 765 flow [2021-03-26 09:59:38,086 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=765, PETRI_PLACES=72, PETRI_TRANSITIONS=76} [2021-03-26 09:59:38,086 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 13 predicate places. [2021-03-26 09:59:38,087 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:38,087 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 76 transitions, 765 flow [2021-03-26 09:59:38,087 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 76 transitions, 765 flow [2021-03-26 09:59:38,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 76 transitions, 765 flow [2021-03-26 09:59:38,149 INFO L129 PetriNetUnfolder]: 223/480 cut-off events. [2021-03-26 09:59:38,150 INFO L130 PetriNetUnfolder]: For 3865/4157 co-relation queries the response was YES. [2021-03-26 09:59:38,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2801 conditions, 480 events. 223/480 cut-off events. For 3865/4157 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 2729 event pairs, 16 based on Foata normal form. 47/494 useless extension candidates. Maximal degree in co-relation 2773. Up to 275 conditions per place. [2021-03-26 09:59:38,159 INFO L142 LiptonReduction]: Number of co-enabled transitions 1022 [2021-03-26 09:59:38,250 INFO L154 LiptonReduction]: Checked pairs total: 2360 [2021-03-26 09:59:38,250 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:38,250 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 163 [2021-03-26 09:59:38,251 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 76 transitions, 765 flow [2021-03-26 09:59:38,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 155.85714285714286) internal successors, (1091), 7 states have internal predecessors, (1091), 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 09:59:38,257 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:38,258 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:38,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 09:59:38,258 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:38,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:38,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1744785351, now seen corresponding path program 1 times [2021-03-26 09:59:38,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:38,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326469084] [2021-03-26 09:59:38,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:38,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:38,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:59:38,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:38,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:38,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:38,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:38,309 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 09:59:38,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326469084] [2021-03-26 09:59:38,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:38,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:59:38,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587817470] [2021-03-26 09:59:38,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 09:59:38,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:38,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 09:59:38,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 09:59:38,311 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 203 [2021-03-26 09:59:38,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 76 transitions, 765 flow. Second operand has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 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 09:59:38,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:38,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 203 [2021-03-26 09:59:38,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:38,431 INFO L129 PetriNetUnfolder]: 340/736 cut-off events. [2021-03-26 09:59:38,432 INFO L130 PetriNetUnfolder]: For 7035/7618 co-relation queries the response was YES. [2021-03-26 09:59:38,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4237 conditions, 736 events. 340/736 cut-off events. For 7035/7618 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 4758 event pairs, 34 based on Foata normal form. 89/769 useless extension candidates. Maximal degree in co-relation 4207. Up to 430 conditions per place. [2021-03-26 09:59:38,441 INFO L132 encePairwiseOnDemand]: 200/203 looper letters, 3 selfloop transitions, 2 changer transitions 0/77 dead transitions. [2021-03-26 09:59:38,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 77 transitions, 777 flow [2021-03-26 09:59:38,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 09:59:38,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 09:59:38,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 698 transitions. [2021-03-26 09:59:38,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8596059113300493 [2021-03-26 09:59:38,444 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 698 transitions. [2021-03-26 09:59:38,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 698 transitions. [2021-03-26 09:59:38,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:38,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 698 transitions. [2021-03-26 09:59:38,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 174.5) internal successors, (698), 4 states have internal predecessors, (698), 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 09:59:38,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 203.0) internal successors, (1015), 5 states have internal predecessors, (1015), 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 09:59:38,447 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 203.0) internal successors, (1015), 5 states have internal predecessors, (1015), 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 09:59:38,447 INFO L185 Difference]: Start difference. First operand has 72 places, 76 transitions, 765 flow. Second operand 4 states and 698 transitions. [2021-03-26 09:59:38,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 77 transitions, 777 flow [2021-03-26 09:59:38,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 77 transitions, 730 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-26 09:59:38,458 INFO L241 Difference]: Finished difference. Result has 74 places, 77 transitions, 731 flow [2021-03-26 09:59:38,458 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=731, PETRI_PLACES=74, PETRI_TRANSITIONS=77} [2021-03-26 09:59:38,459 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 15 predicate places. [2021-03-26 09:59:38,459 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:38,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 77 transitions, 731 flow [2021-03-26 09:59:38,459 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 77 transitions, 731 flow [2021-03-26 09:59:38,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 77 transitions, 731 flow [2021-03-26 09:59:38,596 INFO L129 PetriNetUnfolder]: 340/729 cut-off events. [2021-03-26 09:59:38,596 INFO L130 PetriNetUnfolder]: For 5847/6381 co-relation queries the response was YES. [2021-03-26 09:59:38,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3968 conditions, 729 events. 340/729 cut-off events. For 5847/6381 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 4760 event pairs, 37 based on Foata normal form. 75/744 useless extension candidates. Maximal degree in co-relation 3939. Up to 429 conditions per place. [2021-03-26 09:59:38,611 INFO L142 LiptonReduction]: Number of co-enabled transitions 1054 [2021-03-26 09:59:38,740 INFO L154 LiptonReduction]: Checked pairs total: 1836 [2021-03-26 09:59:38,740 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:38,740 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 281 [2021-03-26 09:59:38,741 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 77 transitions, 731 flow [2021-03-26 09:59:38,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 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 09:59:38,741 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:38,741 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:38,741 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 09:59:38,742 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:38,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:38,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1556557301, now seen corresponding path program 2 times [2021-03-26 09:59:38,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:38,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183690702] [2021-03-26 09:59:38,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:38,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:38,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:38,783 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 09:59:38,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 09:59:38,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:38,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:59:38,795 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 09:59:38,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183690702] [2021-03-26 09:59:38,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:38,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:59:38,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300865522] [2021-03-26 09:59:38,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 09:59:38,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:38,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 09:59:38,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 09:59:38,797 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 203 [2021-03-26 09:59:38,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 77 transitions, 731 flow. Second operand has 4 states, 4 states have (on average 166.75) internal successors, (667), 4 states have internal predecessors, (667), 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 09:59:38,797 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:38,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 203 [2021-03-26 09:59:38,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:39,123 INFO L129 PetriNetUnfolder]: 1183/2185 cut-off events. [2021-03-26 09:59:39,123 INFO L130 PetriNetUnfolder]: For 11929/13498 co-relation queries the response was YES. [2021-03-26 09:59:39,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9440 conditions, 2185 events. 1183/2185 cut-off events. For 11929/13498 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 15846 event pairs, 375 based on Foata normal form. 436/2362 useless extension candidates. Maximal degree in co-relation 9409. Up to 1046 conditions per place. [2021-03-26 09:59:39,153 INFO L132 encePairwiseOnDemand]: 196/203 looper letters, 14 selfloop transitions, 10 changer transitions 0/90 dead transitions. [2021-03-26 09:59:39,154 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 90 transitions, 805 flow [2021-03-26 09:59:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 09:59:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 09:59:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 852 transitions. [2021-03-26 09:59:39,156 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8394088669950739 [2021-03-26 09:59:39,156 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 852 transitions. [2021-03-26 09:59:39,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 852 transitions. [2021-03-26 09:59:39,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:39,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 852 transitions. [2021-03-26 09:59:39,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 170.4) internal successors, (852), 5 states have internal predecessors, (852), 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 09:59:39,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:39,160 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 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 09:59:39,160 INFO L185 Difference]: Start difference. First operand has 74 places, 77 transitions, 731 flow. Second operand 5 states and 852 transitions. [2021-03-26 09:59:39,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 90 transitions, 805 flow [2021-03-26 09:59:39,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 90 transitions, 804 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 09:59:39,175 INFO L241 Difference]: Finished difference. Result has 80 places, 86 transitions, 821 flow [2021-03-26 09:59:39,175 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=821, PETRI_PLACES=80, PETRI_TRANSITIONS=86} [2021-03-26 09:59:39,175 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 21 predicate places. [2021-03-26 09:59:39,175 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:39,175 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 86 transitions, 821 flow [2021-03-26 09:59:39,176 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 86 transitions, 821 flow [2021-03-26 09:59:39,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 86 transitions, 821 flow [2021-03-26 09:59:39,416 INFO L129 PetriNetUnfolder]: 1182/2179 cut-off events. [2021-03-26 09:59:39,416 INFO L130 PetriNetUnfolder]: For 13023/14403 co-relation queries the response was YES. [2021-03-26 09:59:39,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10523 conditions, 2179 events. 1182/2179 cut-off events. For 13023/14403 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 15934 event pairs, 369 based on Foata normal form. 124/2042 useless extension candidates. Maximal degree in co-relation 10490. Up to 1114 conditions per place. [2021-03-26 09:59:39,495 INFO L142 LiptonReduction]: Number of co-enabled transitions 1430 [2021-03-26 09:59:39,580 INFO L154 LiptonReduction]: Checked pairs total: 696 [2021-03-26 09:59:39,580 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:39,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 405 [2021-03-26 09:59:39,581 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 86 transitions, 821 flow [2021-03-26 09:59:39,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 166.75) internal successors, (667), 4 states have internal predecessors, (667), 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 09:59:39,581 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:39,581 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:39,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 09:59:39,581 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:39,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:39,582 INFO L82 PathProgramCache]: Analyzing trace with hash 590107584, now seen corresponding path program 1 times [2021-03-26 09:59:39,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:39,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354973995] [2021-03-26 09:59:39,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:39,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:39,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:39,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:39,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:39,633 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 09:59:39,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 09:59:39,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:39,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:59:39,639 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 09:59:39,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354973995] [2021-03-26 09:59:39,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:39,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 09:59:39,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59226815] [2021-03-26 09:59:39,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 09:59:39,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:39,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 09:59:39,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 09:59:39,642 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 203 [2021-03-26 09:59:39,642 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 86 transitions, 821 flow. Second operand has 5 states, 5 states have (on average 166.8) internal successors, (834), 5 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:59:39,642 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:39,642 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 203 [2021-03-26 09:59:39,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:39,878 INFO L129 PetriNetUnfolder]: 691/1465 cut-off events. [2021-03-26 09:59:39,878 INFO L130 PetriNetUnfolder]: For 10470/15341 co-relation queries the response was YES. [2021-03-26 09:59:39,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7447 conditions, 1465 events. 691/1465 cut-off events. For 10470/15341 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 10909 event pairs, 91 based on Foata normal form. 800/2121 useless extension candidates. Maximal degree in co-relation 7412. Up to 837 conditions per place. [2021-03-26 09:59:39,896 INFO L132 encePairwiseOnDemand]: 196/203 looper letters, 14 selfloop transitions, 19 changer transitions 0/95 dead transitions. [2021-03-26 09:59:39,896 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 95 transitions, 921 flow [2021-03-26 09:59:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 09:59:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 09:59:39,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1193 transitions. [2021-03-26 09:59:39,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8395496129486277 [2021-03-26 09:59:39,899 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1193 transitions. [2021-03-26 09:59:39,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1193 transitions. [2021-03-26 09:59:39,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:39,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1193 transitions. [2021-03-26 09:59:39,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 170.42857142857142) internal successors, (1193), 7 states have internal predecessors, (1193), 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 09:59:39,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 203.0) internal successors, (1624), 8 states have internal predecessors, (1624), 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 09:59:39,904 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 203.0) internal successors, (1624), 8 states have internal predecessors, (1624), 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 09:59:39,905 INFO L185 Difference]: Start difference. First operand has 80 places, 86 transitions, 821 flow. Second operand 7 states and 1193 transitions. [2021-03-26 09:59:39,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 95 transitions, 921 flow [2021-03-26 09:59:39,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 95 transitions, 916 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 09:59:39,918 INFO L241 Difference]: Finished difference. Result has 88 places, 91 transitions, 924 flow [2021-03-26 09:59:39,918 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=924, PETRI_PLACES=88, PETRI_TRANSITIONS=91} [2021-03-26 09:59:39,919 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 29 predicate places. [2021-03-26 09:59:39,919 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:39,919 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 91 transitions, 924 flow [2021-03-26 09:59:39,919 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 91 transitions, 924 flow [2021-03-26 09:59:39,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 91 transitions, 924 flow [2021-03-26 09:59:40,067 INFO L129 PetriNetUnfolder]: 689/1460 cut-off events. [2021-03-26 09:59:40,067 INFO L130 PetriNetUnfolder]: For 10693/12797 co-relation queries the response was YES. [2021-03-26 09:59:40,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8155 conditions, 1460 events. 689/1460 cut-off events. For 10693/12797 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 11284 event pairs, 102 based on Foata normal form. 139/1469 useless extension candidates. Maximal degree in co-relation 8118. Up to 848 conditions per place. [2021-03-26 09:59:40,086 INFO L142 LiptonReduction]: Number of co-enabled transitions 1610 [2021-03-26 09:59:40,106 INFO L154 LiptonReduction]: Checked pairs total: 610 [2021-03-26 09:59:40,106 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:40,106 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 187 [2021-03-26 09:59:40,106 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 91 transitions, 924 flow [2021-03-26 09:59:40,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 166.8) internal successors, (834), 5 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 09:59:40,107 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:40,107 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:40,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 09:59:40,107 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:40,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:40,107 INFO L82 PathProgramCache]: Analyzing trace with hash 30801111, now seen corresponding path program 1 times [2021-03-26 09:59:40,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:40,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649271653] [2021-03-26 09:59:40,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:40,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:40,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:59:40,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:40,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:40,146 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 09:59:40,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649271653] [2021-03-26 09:59:40,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:40,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 09:59:40,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320866371] [2021-03-26 09:59:40,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 09:59:40,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:40,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 09:59:40,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 09:59:40,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 203 [2021-03-26 09:59:40,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 91 transitions, 924 flow. Second operand has 3 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 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 09:59:40,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:40,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 203 [2021-03-26 09:59:40,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:40,436 INFO L129 PetriNetUnfolder]: 1075/2127 cut-off events. [2021-03-26 09:59:40,436 INFO L130 PetriNetUnfolder]: For 16977/22375 co-relation queries the response was YES. [2021-03-26 09:59:40,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11861 conditions, 2127 events. 1075/2127 cut-off events. For 16977/22375 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 16497 event pairs, 160 based on Foata normal form. 204/2034 useless extension candidates. Maximal degree in co-relation 11822. Up to 1350 conditions per place. [2021-03-26 09:59:40,451 INFO L132 encePairwiseOnDemand]: 200/203 looper letters, 3 selfloop transitions, 3 changer transitions 10/91 dead transitions. [2021-03-26 09:59:40,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 91 transitions, 936 flow [2021-03-26 09:59:40,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 09:59:40,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 09:59:40,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 552 transitions. [2021-03-26 09:59:40,454 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9064039408866995 [2021-03-26 09:59:40,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 552 transitions. [2021-03-26 09:59:40,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 552 transitions. [2021-03-26 09:59:40,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:40,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 552 transitions. [2021-03-26 09:59:40,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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 09:59:40,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 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 09:59:40,456 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 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 09:59:40,456 INFO L185 Difference]: Start difference. First operand has 88 places, 91 transitions, 924 flow. Second operand 3 states and 552 transitions. [2021-03-26 09:59:40,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 91 transitions, 936 flow [2021-03-26 09:59:40,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 91 transitions, 886 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-26 09:59:40,492 INFO L241 Difference]: Finished difference. Result has 88 places, 81 transitions, 773 flow [2021-03-26 09:59:40,492 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=773, PETRI_PLACES=88, PETRI_TRANSITIONS=81} [2021-03-26 09:59:40,492 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 29 predicate places. [2021-03-26 09:59:40,492 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:40,493 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 81 transitions, 773 flow [2021-03-26 09:59:40,493 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 81 transitions, 773 flow [2021-03-26 09:59:40,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 81 transitions, 773 flow [2021-03-26 09:59:40,688 INFO L129 PetriNetUnfolder]: 1058/2104 cut-off events. [2021-03-26 09:59:40,688 INFO L130 PetriNetUnfolder]: For 14849/16186 co-relation queries the response was YES. [2021-03-26 09:59:40,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10549 conditions, 2104 events. 1058/2104 cut-off events. For 14849/16186 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 16824 event pairs, 161 based on Foata normal form. 137/1989 useless extension candidates. Maximal degree in co-relation 10512. Up to 1135 conditions per place. [2021-03-26 09:59:40,715 INFO L142 LiptonReduction]: Number of co-enabled transitions 1602 [2021-03-26 09:59:40,754 INFO L154 LiptonReduction]: Checked pairs total: 604 [2021-03-26 09:59:40,754 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:40,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-03-26 09:59:40,755 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 81 transitions, 773 flow [2021-03-26 09:59:40,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 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 09:59:40,755 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:40,756 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:40,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 09:59:40,756 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:40,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:40,756 INFO L82 PathProgramCache]: Analyzing trace with hash 954834344, now seen corresponding path program 1 times [2021-03-26 09:59:40,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:40,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447425546] [2021-03-26 09:59:40,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:40,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:40,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:40,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:40,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:40,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:40,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:40,804 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 09:59:40,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 09:59:40,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:40,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:59:40,811 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 09:59:40,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447425546] [2021-03-26 09:59:40,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:40,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 09:59:40,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405902727] [2021-03-26 09:59:40,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 09:59:40,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:40,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 09:59:40,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 09:59:40,813 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 203 [2021-03-26 09:59:40,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 81 transitions, 773 flow. Second operand has 6 states, 6 states have (on average 166.83333333333334) internal successors, (1001), 6 states have internal predecessors, (1001), 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 09:59:40,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:40,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 203 [2021-03-26 09:59:40,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:41,069 INFO L129 PetriNetUnfolder]: 707/1545 cut-off events. [2021-03-26 09:59:41,069 INFO L130 PetriNetUnfolder]: For 13363/23597 co-relation queries the response was YES. [2021-03-26 09:59:41,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7955 conditions, 1545 events. 707/1545 cut-off events. For 13363/23597 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 12440 event pairs, 17 based on Foata normal form. 1194/2495 useless extension candidates. Maximal degree in co-relation 7916. Up to 873 conditions per place. [2021-03-26 09:59:41,083 INFO L132 encePairwiseOnDemand]: 196/203 looper letters, 7 selfloop transitions, 28 changer transitions 6/91 dead transitions. [2021-03-26 09:59:41,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 91 transitions, 949 flow [2021-03-26 09:59:41,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 09:59:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 09:59:41,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1534 transitions. [2021-03-26 09:59:41,086 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8396278051450465 [2021-03-26 09:59:41,087 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1534 transitions. [2021-03-26 09:59:41,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1534 transitions. [2021-03-26 09:59:41,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:41,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1534 transitions. [2021-03-26 09:59:41,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 170.44444444444446) internal successors, (1534), 9 states have internal predecessors, (1534), 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 09:59:41,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 203.0) internal successors, (2030), 10 states have internal predecessors, (2030), 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 09:59:41,092 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 203.0) internal successors, (2030), 10 states have internal predecessors, (2030), 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 09:59:41,092 INFO L185 Difference]: Start difference. First operand has 88 places, 81 transitions, 773 flow. Second operand 9 states and 1534 transitions. [2021-03-26 09:59:41,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 91 transitions, 949 flow [2021-03-26 09:59:41,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 91 transitions, 902 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-03-26 09:59:41,115 INFO L241 Difference]: Finished difference. Result has 92 places, 85 transitions, 852 flow [2021-03-26 09:59:41,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=852, PETRI_PLACES=92, PETRI_TRANSITIONS=85} [2021-03-26 09:59:41,115 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 33 predicate places. [2021-03-26 09:59:41,115 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:41,115 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 85 transitions, 852 flow [2021-03-26 09:59:41,116 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 85 transitions, 852 flow [2021-03-26 09:59:41,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 85 transitions, 852 flow [2021-03-26 09:59:41,258 INFO L129 PetriNetUnfolder]: 669/1492 cut-off events. [2021-03-26 09:59:41,259 INFO L130 PetriNetUnfolder]: For 10928/12204 co-relation queries the response was YES. [2021-03-26 09:59:41,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8047 conditions, 1492 events. 669/1492 cut-off events. For 10928/12204 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 12332 event pairs, 18 based on Foata normal form. 70/1373 useless extension candidates. Maximal degree in co-relation 8010. Up to 823 conditions per place. [2021-03-26 09:59:41,315 INFO L142 LiptonReduction]: Number of co-enabled transitions 1658 [2021-03-26 09:59:41,327 INFO L154 LiptonReduction]: Checked pairs total: 510 [2021-03-26 09:59:41,327 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 09:59:41,327 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 212 [2021-03-26 09:59:41,328 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 85 transitions, 852 flow [2021-03-26 09:59:41,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 166.83333333333334) internal successors, (1001), 6 states have internal predecessors, (1001), 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 09:59:41,329 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:41,329 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:41,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 09:59:41,329 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:41,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:41,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1367501442, now seen corresponding path program 1 times [2021-03-26 09:59:41,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:41,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433794280] [2021-03-26 09:59:41,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:41,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:41,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:41,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:41,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:41,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:41,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:41,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:41,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:41,401 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 09:59:41,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 09:59:41,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:41,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:59:41,412 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 09:59:41,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433794280] [2021-03-26 09:59:41,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:41,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 09:59:41,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460023181] [2021-03-26 09:59:41,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 09:59:41,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:41,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 09:59:41,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 09:59:41,414 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 203 [2021-03-26 09:59:41,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 85 transitions, 852 flow. Second operand has 7 states, 7 states have (on average 166.85714285714286) internal successors, (1168), 7 states have internal predecessors, (1168), 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 09:59:41,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:41,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 203 [2021-03-26 09:59:41,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:41,682 INFO L129 PetriNetUnfolder]: 621/1389 cut-off events. [2021-03-26 09:59:41,683 INFO L130 PetriNetUnfolder]: For 13898/25955 co-relation queries the response was YES. [2021-03-26 09:59:41,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8373 conditions, 1389 events. 621/1389 cut-off events. For 13898/25955 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 11292 event pairs, 2 based on Foata normal form. 1080/2240 useless extension candidates. Maximal degree in co-relation 8334. Up to 766 conditions per place. [2021-03-26 09:59:41,696 INFO L132 encePairwiseOnDemand]: 196/203 looper letters, 2 selfloop transitions, 33 changer transitions 4/88 dead transitions. [2021-03-26 09:59:41,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 88 transitions, 958 flow [2021-03-26 09:59:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 09:59:41,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 09:59:41,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1867 transitions. [2021-03-26 09:59:41,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8360949395432155 [2021-03-26 09:59:41,700 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1867 transitions. [2021-03-26 09:59:41,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1867 transitions. [2021-03-26 09:59:41,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:41,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1867 transitions. [2021-03-26 09:59:41,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 169.72727272727272) internal successors, (1867), 11 states have internal predecessors, (1867), 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 09:59:41,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 203.0) internal successors, (2436), 12 states have internal predecessors, (2436), 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 09:59:41,706 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 203.0) internal successors, (2436), 12 states have internal predecessors, (2436), 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 09:59:41,706 INFO L185 Difference]: Start difference. First operand has 92 places, 85 transitions, 852 flow. Second operand 11 states and 1867 transitions. [2021-03-26 09:59:41,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 88 transitions, 958 flow [2021-03-26 09:59:41,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 88 transitions, 771 flow, removed 57 selfloop flow, removed 10 redundant places. [2021-03-26 09:59:41,776 INFO L241 Difference]: Finished difference. Result has 95 places, 84 transitions, 731 flow [2021-03-26 09:59:41,776 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=731, PETRI_PLACES=95, PETRI_TRANSITIONS=84} [2021-03-26 09:59:41,777 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 36 predicate places. [2021-03-26 09:59:41,777 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:41,777 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 84 transitions, 731 flow [2021-03-26 09:59:41,777 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 84 transitions, 731 flow [2021-03-26 09:59:41,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 84 transitions, 731 flow [2021-03-26 09:59:41,870 INFO L129 PetriNetUnfolder]: 609/1373 cut-off events. [2021-03-26 09:59:41,870 INFO L130 PetriNetUnfolder]: For 5617/6210 co-relation queries the response was YES. [2021-03-26 09:59:41,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6163 conditions, 1373 events. 609/1373 cut-off events. For 5617/6210 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 11107 event pairs, 4 based on Foata normal form. 52/1237 useless extension candidates. Maximal degree in co-relation 6125. Up to 400 conditions per place. [2021-03-26 09:59:41,890 INFO L142 LiptonReduction]: Number of co-enabled transitions 1632 [2021-03-26 09:59:42,175 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-26 09:59:42,300 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-26 09:59:42,939 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 196 [2021-03-26 09:59:43,192 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-26 09:59:44,969 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 351 DAG size of output: 276 [2021-03-26 09:59:45,450 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-03-26 09:59:45,465 INFO L154 LiptonReduction]: Checked pairs total: 1521 [2021-03-26 09:59:45,465 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 09:59:45,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3688 [2021-03-26 09:59:45,466 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 78 transitions, 691 flow [2021-03-26 09:59:45,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 166.85714285714286) internal successors, (1168), 7 states have internal predecessors, (1168), 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 09:59:45,466 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:45,466 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:45,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 09:59:45,466 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:45,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:45,467 INFO L82 PathProgramCache]: Analyzing trace with hash -126421018, now seen corresponding path program 1 times [2021-03-26 09:59:45,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:45,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275206938] [2021-03-26 09:59:45,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 09:59:45,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:45,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 09:59:45,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:45,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:45,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 09:59:45,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 09:59:45,511 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 09:59:45,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275206938] [2021-03-26 09:59:45,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 09:59:45,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 09:59:45,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709913153] [2021-03-26 09:59:45,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 09:59:45,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 09:59:45,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 09:59:45,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 09:59:45,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 205 [2021-03-26 09:59:45,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 78 transitions, 691 flow. Second operand has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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 09:59:45,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 09:59:45,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 205 [2021-03-26 09:59:45,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 09:59:45,631 INFO L129 PetriNetUnfolder]: 476/1012 cut-off events. [2021-03-26 09:59:45,660 INFO L130 PetriNetUnfolder]: For 7991/8811 co-relation queries the response was YES. [2021-03-26 09:59:45,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4449 conditions, 1012 events. 476/1012 cut-off events. For 7991/8811 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 7107 event pairs, 5 based on Foata normal form. 103/980 useless extension candidates. Maximal degree in co-relation 4409. Up to 358 conditions per place. [2021-03-26 09:59:45,667 INFO L132 encePairwiseOnDemand]: 202/205 looper letters, 3 selfloop transitions, 1 changer transitions 18/67 dead transitions. [2021-03-26 09:59:45,667 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 67 transitions, 587 flow [2021-03-26 09:59:45,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 09:59:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 09:59:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 726 transitions. [2021-03-26 09:59:45,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8853658536585366 [2021-03-26 09:59:45,670 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 726 transitions. [2021-03-26 09:59:45,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 726 transitions. [2021-03-26 09:59:45,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 09:59:45,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 726 transitions. [2021-03-26 09:59:45,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 181.5) internal successors, (726), 4 states have internal predecessors, (726), 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 09:59:45,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 205.0) internal successors, (1025), 5 states have internal predecessors, (1025), 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 09:59:45,673 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 205.0) internal successors, (1025), 5 states have internal predecessors, (1025), 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 09:59:45,673 INFO L185 Difference]: Start difference. First operand has 92 places, 78 transitions, 691 flow. Second operand 4 states and 726 transitions. [2021-03-26 09:59:45,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 67 transitions, 587 flow [2021-03-26 09:59:45,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 67 transitions, 488 flow, removed 30 selfloop flow, removed 14 redundant places. [2021-03-26 09:59:45,694 INFO L241 Difference]: Finished difference. Result has 73 places, 49 transitions, 332 flow [2021-03-26 09:59:45,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=332, PETRI_PLACES=73, PETRI_TRANSITIONS=49} [2021-03-26 09:59:45,694 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 14 predicate places. [2021-03-26 09:59:45,694 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 09:59:45,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 49 transitions, 332 flow [2021-03-26 09:59:45,695 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 49 transitions, 332 flow [2021-03-26 09:59:45,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 49 transitions, 332 flow [2021-03-26 09:59:45,717 INFO L129 PetriNetUnfolder]: 119/288 cut-off events. [2021-03-26 09:59:45,717 INFO L130 PetriNetUnfolder]: For 808/928 co-relation queries the response was YES. [2021-03-26 09:59:45,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 986 conditions, 288 events. 119/288 cut-off events. For 808/928 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1619 event pairs, 0 based on Foata normal form. 27/279 useless extension candidates. Maximal degree in co-relation 957. Up to 102 conditions per place. [2021-03-26 09:59:45,721 INFO L142 LiptonReduction]: Number of co-enabled transitions 530 [2021-03-26 09:59:45,798 INFO L154 LiptonReduction]: Checked pairs total: 113 [2021-03-26 09:59:45,798 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 09:59:45,798 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-03-26 09:59:45,798 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 47 transitions, 331 flow [2021-03-26 09:59:45,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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 09:59:45,799 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 09:59:45,799 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 09:59:45,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 09:59:45,799 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 09:59:45,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 09:59:45,799 INFO L82 PathProgramCache]: Analyzing trace with hash -2021025531, now seen corresponding path program 1 times [2021-03-26 09:59:45,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 09:59:45,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596681489] [2021-03-26 09:59:45,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 09:59:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 09:59:45,831 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 09:59:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 09:59:45,864 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 09:59:45,903 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 09:59:45,904 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 09:59:45,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 09:59:46,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 09:59:46 BasicIcfg [2021-03-26 09:59:46,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 09:59:46,026 INFO L168 Benchmark]: Toolchain (without parser) took 27771.31 ms. Allocated memory was 255.9 MB in the beginning and 937.4 MB in the end (delta: 681.6 MB). Free memory was 235.0 MB in the beginning and 807.3 MB in the end (delta: -572.3 MB). Peak memory consumption was 107.7 MB. Max. memory is 16.0 GB. [2021-03-26 09:59:46,026 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 09:59:46,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.71 ms. Allocated memory was 255.9 MB in the beginning and 352.3 MB in the end (delta: 96.5 MB). Free memory was 234.6 MB in the beginning and 311.5 MB in the end (delta: -76.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-26 09:59:46,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.93 ms. Allocated memory is still 352.3 MB. Free memory was 311.5 MB in the beginning and 308.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 09:59:46,027 INFO L168 Benchmark]: Boogie Preprocessor took 31.54 ms. Allocated memory is still 352.3 MB. Free memory was 308.5 MB in the beginning and 306.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 09:59:46,027 INFO L168 Benchmark]: RCFGBuilder took 1561.62 ms. Allocated memory is still 352.3 MB. Free memory was 306.4 MB in the beginning and 210.4 MB in the end (delta: 96.1 MB). Peak memory consumption was 101.2 MB. Max. memory is 16.0 GB. [2021-03-26 09:59:46,029 INFO L168 Benchmark]: TraceAbstraction took 25566.37 ms. Allocated memory was 352.3 MB in the beginning and 937.4 MB in the end (delta: 585.1 MB). Free memory was 210.4 MB in the beginning and 807.3 MB in the end (delta: -597.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 09:59:46,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 558.71 ms. Allocated memory was 255.9 MB in the beginning and 352.3 MB in the end (delta: 96.5 MB). Free memory was 234.6 MB in the beginning and 311.5 MB in the end (delta: -76.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 46.93 ms. Allocated memory is still 352.3 MB. Free memory was 311.5 MB in the beginning and 308.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.54 ms. Allocated memory is still 352.3 MB. Free memory was 308.5 MB in the beginning and 306.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1561.62 ms. Allocated memory is still 352.3 MB. Free memory was 306.4 MB in the beginning and 210.4 MB in the end (delta: 96.1 MB). Peak memory consumption was 101.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 25566.37 ms. Allocated memory was 352.3 MB in the beginning and 937.4 MB in the end (delta: 585.1 MB). Free memory was 210.4 MB in the beginning and 807.3 MB in the end (delta: -597.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8304.9ms, 123 PlacesBefore, 59 PlacesAfterwards, 112 TransitionsBefore, 47 TransitionsAfterwards, 2630 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 74 TotalNumberOfCompositions, 5205 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2506, positive: 2382, positive conditional: 2382, positive unconditional: 0, negative: 124, negative conditional: 124, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2506, positive: 2382, positive conditional: 0, positive unconditional: 2382, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2506, positive: 2382, positive conditional: 0, positive unconditional: 2382, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1794, positive: 1743, positive conditional: 0, positive unconditional: 1743, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1794, positive: 1733, positive conditional: 0, positive unconditional: 1733, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 866, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 833, negative conditional: 0, negative unconditional: 833, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2506, positive: 639, positive conditional: 0, positive unconditional: 639, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 1794, unknown conditional: 0, unknown unconditional: 1794] , Statistics on independence cache: Total cache size (in pairs): 1794, Positive cache size: 1743, Positive conditional cache size: 0, Positive unconditional cache size: 1743, Negative cache size: 51, Negative conditional cache size: 0, Negative unconditional cache size: 51, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4017.7ms, 55 PlacesBefore, 39 PlacesAfterwards, 40 TransitionsBefore, 28 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 2544 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 715, positive: 576, positive conditional: 576, positive unconditional: 0, negative: 139, negative conditional: 139, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 715, positive: 576, positive conditional: 52, positive unconditional: 524, negative: 139, negative conditional: 5, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 715, positive: 576, positive conditional: 52, positive unconditional: 524, negative: 139, negative conditional: 5, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 61, positive: 46, positive conditional: 5, positive unconditional: 41, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 61, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 313, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 305, negative conditional: 48, negative unconditional: 257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 715, positive: 530, positive conditional: 47, positive unconditional: 483, negative: 124, negative conditional: 3, negative unconditional: 121, unknown: 61, unknown conditional: 7, unknown unconditional: 54] , Statistics on independence cache: Total cache size (in pairs): 1855, Positive cache size: 1789, Positive conditional cache size: 5, Positive unconditional cache size: 1784, Negative cache size: 66, Negative conditional cache size: 2, Negative unconditional cache size: 64, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.4ms, 40 PlacesBefore, 38 PlacesAfterwards, 27 TransitionsBefore, 26 TransitionsAfterwards, 366 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 851 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 303, positive: 254, positive conditional: 254, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 303, positive: 254, positive conditional: 0, positive unconditional: 254, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 303, positive: 254, positive conditional: 0, positive unconditional: 254, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 46, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 46, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 303, positive: 213, positive conditional: 0, positive unconditional: 213, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 46, unknown conditional: 0, unknown unconditional: 46] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1830, Positive conditional cache size: 5, Positive unconditional cache size: 1825, Negative cache size: 71, Negative conditional cache size: 2, Negative unconditional cache size: 69, Eliminated conditions: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.9ms, 39 PlacesBefore, 39 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 390 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 368 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 128, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 128, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 128, positive: 101, positive conditional: 0, positive unconditional: 101, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 1907, Positive cache size: 1836, Positive conditional cache size: 5, Positive unconditional cache size: 1831, Negative cache size: 71, Negative conditional cache size: 2, Negative unconditional cache size: 69, Eliminated conditions: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 52.5ms, 41 PlacesBefore, 41 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 436 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 330 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136, positive: 119, positive conditional: 119, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 136, positive: 119, positive conditional: 2, positive unconditional: 117, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 136, positive: 119, positive conditional: 2, positive unconditional: 117, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 14, positive conditional: 0, 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: 16, positive: 14, positive conditional: 0, positive unconditional: 14, 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: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 136, positive: 105, positive conditional: 2, positive unconditional: 103, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 1923, Positive cache size: 1850, Positive conditional cache size: 5, Positive unconditional cache size: 1845, Negative cache size: 73, Negative conditional cache size: 2, Negative unconditional cache size: 71, Eliminated conditions: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.8ms, 45 PlacesBefore, 45 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 272 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, positive: 115, positive conditional: 115, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 127, positive: 115, positive conditional: 16, positive unconditional: 99, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127, positive: 115, positive conditional: 16, positive unconditional: 99, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 1, positive unconditional: 6, 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: 7, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 127, positive: 108, positive conditional: 15, positive unconditional: 93, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 7, unknown conditional: 1, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 1930, Positive cache size: 1857, Positive conditional cache size: 6, Positive unconditional cache size: 1851, Negative cache size: 73, Negative conditional cache size: 2, Negative unconditional cache size: 71, Eliminated conditions: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.0ms, 49 PlacesBefore, 49 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 562 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 219 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 100, positive: 92, positive conditional: 31, positive unconditional: 61, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 100, positive: 92, positive conditional: 31, positive unconditional: 61, negative: 8, negative conditional: 0, negative unconditional: 8, 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: 100, positive: 90, positive conditional: 29, positive unconditional: 61, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1932, Positive cache size: 1859, Positive conditional cache size: 8, Positive unconditional cache size: 1851, Negative cache size: 73, Negative conditional cache size: 2, Negative unconditional cache size: 71, Eliminated conditions: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.0ms, 53 PlacesBefore, 53 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 610 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 327 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 161, positive: 149, positive conditional: 149, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 161, positive: 149, positive conditional: 54, positive unconditional: 95, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 161, positive: 149, positive conditional: 54, positive unconditional: 95, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, 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: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 161, positive: 143, positive conditional: 48, positive unconditional: 95, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1938, Positive cache size: 1865, Positive conditional cache size: 14, Positive unconditional cache size: 1851, Negative cache size: 73, Negative conditional cache size: 2, Negative unconditional cache size: 71, Eliminated conditions: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.3ms, 56 PlacesBefore, 56 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 705 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 353, positive: 328, positive conditional: 328, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 353, positive: 328, positive conditional: 119, positive unconditional: 209, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 353, positive: 328, positive conditional: 119, positive unconditional: 209, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 3, positive unconditional: 5, 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: 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] , 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: 23, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 353, positive: 320, positive conditional: 116, positive unconditional: 204, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 9, unknown conditional: 3, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 1947, Positive cache size: 1873, Positive conditional cache size: 17, Positive unconditional cache size: 1856, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.8ms, 61 PlacesBefore, 61 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 923 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 423, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 423, positive: 393, positive conditional: 149, positive unconditional: 244, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 423, positive: 393, positive conditional: 149, positive unconditional: 244, negative: 30, negative conditional: 0, negative unconditional: 30, 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: 423, positive: 391, positive conditional: 147, positive unconditional: 244, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1949, Positive cache size: 1875, Positive conditional cache size: 19, Positive unconditional cache size: 1856, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 91.3ms, 63 PlacesBefore, 63 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 806 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1246 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 514, positive: 476, positive conditional: 476, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 514, positive: 476, positive conditional: 221, positive unconditional: 255, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 514, positive: 476, positive conditional: 221, positive unconditional: 255, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 514, positive: 475, positive conditional: 220, positive unconditional: 255, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1950, Positive cache size: 1876, Positive conditional cache size: 20, Positive unconditional cache size: 1856, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 73 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 116.2ms, 66 PlacesBefore, 66 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 914 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1540 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 781, positive: 738, positive conditional: 738, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 781, positive: 738, positive conditional: 396, positive unconditional: 342, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 781, positive: 738, positive conditional: 396, positive unconditional: 342, negative: 43, negative conditional: 0, negative unconditional: 43, 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: 781, positive: 736, positive conditional: 394, positive unconditional: 342, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1952, Positive cache size: 1878, Positive conditional cache size: 22, Positive unconditional cache size: 1856, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 82 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 132.6ms, 68 PlacesBefore, 68 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 976 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1891 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 890, positive: 839, positive conditional: 839, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 890, positive: 839, positive conditional: 411, positive unconditional: 428, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 890, positive: 839, positive conditional: 411, positive unconditional: 428, negative: 51, negative conditional: 0, negative unconditional: 51, 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: 890, positive: 837, positive conditional: 409, positive unconditional: 428, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1954, Positive cache size: 1880, Positive conditional cache size: 24, Positive unconditional cache size: 1856, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 105 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 133.9ms, 70 PlacesBefore, 70 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 1000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2036 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 930, positive: 876, positive conditional: 876, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 930, positive: 876, positive conditional: 439, positive unconditional: 437, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 930, positive: 876, positive conditional: 439, positive unconditional: 437, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 3, 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: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 930, positive: 871, positive conditional: 436, positive unconditional: 435, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1959, Positive cache size: 1885, Positive conditional cache size: 27, Positive unconditional cache size: 1858, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 97 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 163.3ms, 72 PlacesBefore, 72 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 1022 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2360 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1240, positive: 1181, positive conditional: 1181, positive unconditional: 0, negative: 59, negative conditional: 59, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1240, positive: 1181, positive conditional: 639, positive unconditional: 542, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1240, positive: 1181, positive conditional: 639, positive unconditional: 542, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1240, positive: 1180, positive conditional: 638, positive unconditional: 542, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1960, Positive cache size: 1886, Positive conditional cache size: 28, Positive unconditional cache size: 1858, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 123 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 280.6ms, 74 PlacesBefore, 74 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 1054 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1836 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1053, positive: 1007, positive conditional: 1007, positive unconditional: 0, negative: 46, negative conditional: 46, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1053, positive: 1007, positive conditional: 580, positive unconditional: 427, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1053, positive: 1007, positive conditional: 580, positive unconditional: 427, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1053, positive: 1006, positive conditional: 579, positive unconditional: 427, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1961, Positive cache size: 1887, Positive conditional cache size: 29, Positive unconditional cache size: 1858, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 92 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 404.6ms, 80 PlacesBefore, 80 PlacesAfterwards, 86 TransitionsBefore, 86 TransitionsAfterwards, 1430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 696 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 232, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 232, positive: 219, positive conditional: 154, positive unconditional: 65, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 232, positive: 219, positive conditional: 154, positive unconditional: 65, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 3, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 232, positive: 214, positive conditional: 151, positive unconditional: 63, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1966, Positive cache size: 1892, Positive conditional cache size: 32, Positive unconditional cache size: 1860, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 35 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 186.9ms, 88 PlacesBefore, 88 PlacesAfterwards, 91 TransitionsBefore, 91 TransitionsAfterwards, 1610 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 610 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 79, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 79, positive: 66, positive conditional: 58, positive unconditional: 8, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 66, positive conditional: 58, positive unconditional: 8, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 79, positive: 66, positive conditional: 58, positive unconditional: 8, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1966, Positive cache size: 1892, Positive conditional cache size: 32, Positive unconditional cache size: 1860, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 261.6ms, 88 PlacesBefore, 88 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 1602 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 604 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 88, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 88, positive: 76, positive conditional: 68, positive unconditional: 8, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 88, positive: 76, positive conditional: 68, positive unconditional: 8, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 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: 88, positive: 74, positive conditional: 66, positive unconditional: 8, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1968, Positive cache size: 1894, Positive conditional cache size: 34, Positive unconditional cache size: 1860, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 211.3ms, 92 PlacesBefore, 92 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 1658 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 510 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 50, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 50, positive: 40, positive conditional: 30, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50, positive: 40, positive conditional: 30, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, 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: 50, positive: 38, positive conditional: 28, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1970, Positive cache size: 1896, Positive conditional cache size: 36, Positive unconditional cache size: 1860, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3688.0ms, 95 PlacesBefore, 92 PlacesAfterwards, 84 TransitionsBefore, 78 TransitionsAfterwards, 1632 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 1521 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 401, positive: 371, positive conditional: 371, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 401, positive: 371, positive conditional: 328, positive unconditional: 43, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 401, positive: 371, positive conditional: 328, positive unconditional: 43, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 27, positive conditional: 27, 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: 27, positive: 27, positive conditional: 0, positive unconditional: 27, 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: 401, positive: 344, positive conditional: 301, positive unconditional: 43, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1997, Positive cache size: 1923, Positive conditional cache size: 63, Positive unconditional cache size: 1860, Negative cache size: 74, Negative conditional cache size: 2, Negative unconditional cache size: 72, Eliminated conditions: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.3ms, 73 PlacesBefore, 66 PlacesAfterwards, 49 TransitionsBefore, 47 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 113 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 97, positive: 96, positive conditional: 96, 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: 97, positive: 96, positive conditional: 58, positive unconditional: 38, 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: 97, positive: 96, positive conditional: 58, positive unconditional: 38, 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: 17, positive: 16, positive conditional: 7, positive unconditional: 9, 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: 17, positive: 16, positive conditional: 0, positive unconditional: 16, 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: 97, positive: 80, positive conditional: 51, positive unconditional: 29, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 17, unknown conditional: 7, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 2014, Positive cache size: 1939, Positive conditional cache size: 70, Positive unconditional cache size: 1869, Negative cache size: 75, Negative conditional cache size: 2, Negative unconditional cache size: 73, Eliminated conditions: 13 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p2_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L724] 0 int y = 0; [L725] 0 _Bool y$flush_delayed; [L726] 0 int y$mem_tmp; [L727] 0 _Bool y$r_buff0_thd0; [L728] 0 _Bool y$r_buff0_thd1; [L729] 0 _Bool y$r_buff0_thd2; [L730] 0 _Bool y$r_buff0_thd3; [L731] 0 _Bool y$r_buff0_thd4; [L732] 0 _Bool y$r_buff1_thd0; [L733] 0 _Bool y$r_buff1_thd1; [L734] 0 _Bool y$r_buff1_thd2; [L735] 0 _Bool y$r_buff1_thd3; [L736] 0 _Bool y$r_buff1_thd4; [L737] 0 _Bool y$read_delayed; [L738] 0 int *y$read_delayed_var; [L739] 0 int y$w_buff0; [L740] 0 _Bool y$w_buff0_used; [L741] 0 int y$w_buff1; [L742] 0 _Bool y$w_buff1_used; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L846] 0 pthread_t t577; [L847] FCALL, FORK 0 pthread_create(&t577, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t578; [L849] FCALL, FORK 0 pthread_create(&t578, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L850] 0 pthread_t t579; [L851] FCALL, FORK 0 pthread_create(&t579, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L785] 3 y$w_buff1 = y$w_buff0 [L786] 3 y$w_buff0 = 2 [L787] 3 y$w_buff1_used = y$w_buff0_used [L788] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L790] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L791] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L792] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L793] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L794] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L795] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L852] 0 pthread_t t580; [L853] FCALL, FORK 0 pthread_create(&t580, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L798] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L815] 4 z = 1 [L818] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L821] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L750] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L768] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L801] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L801] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L802] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L803] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L804] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L804] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L805] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L805] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L824] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L824] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L824] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L824] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L825] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L825] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L826] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L827] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L828] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L828] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L760] 1 return 0; [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L772] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L773] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L774] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L774] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L775] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L775] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L780] 2 return 0; [L808] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L810] 3 return 0; [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L833] 4 return 0; [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L859] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L859] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L860] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L861] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L862] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L862] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L863] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L863] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 y$flush_delayed = weak$$choice2 [L869] 0 y$mem_tmp = y [L870] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L870] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L871] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L871] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L872] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L872] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L873] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L873] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L874] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L875] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L876] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L878] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L878] 0 y = y$flush_delayed ? y$mem_tmp : y [L879] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 25339.7ms, OverallIterations: 22, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4034.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8376.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 84 SDtfs, 46 SDslu, 32 SDs, 0 SdLazy, 629 SolverSat, 173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 774.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 949.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=924occurred in iteration=17, InterpolantAutomatonStates: 104, 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: 62.2ms SsaConstructionTime, 565.6ms SatisfiabilityAnalysisTime, 1716.8ms InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 335 ConstructedInterpolants, 0 QuantifiedInterpolants, 2785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...