/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix025_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 00:10:54,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 00:10:54,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 00:10:54,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 00:10:54,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 00:10:54,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 00:10:54,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 00:10:54,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 00:10:54,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 00:10:54,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 00:10:54,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 00:10:54,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 00:10:54,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 00:10:54,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 00:10:54,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 00:10:54,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 00:10:54,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 00:10:54,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 00:10:54,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 00:10:54,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 00:10:54,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 00:10:54,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 00:10:54,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 00:10:54,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 00:10:54,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 00:10:54,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 00:10:54,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 00:10:54,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 00:10:54,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 00:10:54,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 00:10:54,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 00:10:54,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 00:10:54,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 00:10:54,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 00:10:54,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 00:10:54,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 00:10:54,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 00:10:55,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 00:10:55,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 00:10:55,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 00:10:55,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 00:10:55,017 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 00:10:55,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 00:10:55,017 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 00:10:55,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 00:10:55,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 00:10:55,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 00:10:55,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 00:10:55,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 00:10:55,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 00:10:55,019 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 00:10:55,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 00:10:55,019 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 00:10:55,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 00:10:55,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 00:10:55,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 00:10:55,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 00:10:55,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 00:10:55,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:10:55,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 00:10:55,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 00:10:55,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 00:10:55,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 00:10:55,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 00:10:55,021 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 00:10:55,021 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 00:10:55,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 00:10:55,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 00:10:55,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 00:10:55,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 00:10:55,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 00:10:55,341 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 00:10:55,342 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 00:10:55,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix025_power.opt.i [2021-03-26 00:10:55,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e346062/dfb4cf02241a41f5b4ac0d10e1b1f063/FLAG274bc25d8 [2021-03-26 00:10:55,963 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 00:10:55,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix025_power.opt.i [2021-03-26 00:10:55,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e346062/dfb4cf02241a41f5b4ac0d10e1b1f063/FLAG274bc25d8 [2021-03-26 00:10:56,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e346062/dfb4cf02241a41f5b4ac0d10e1b1f063 [2021-03-26 00:10:56,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 00:10:56,374 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 00:10:56,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 00:10:56,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 00:10:56,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 00:10:56,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:10:56" (1/1) ... [2021-03-26 00:10:56,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351f61b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56, skipping insertion in model container [2021-03-26 00:10:56,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:10:56" (1/1) ... [2021-03-26 00:10:56,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 00:10:56,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 00:10:56,573 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/mix025_power.opt.i[950,963] [2021-03-26 00:10:56,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:10:56,793 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 00:10:56,803 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/mix025_power.opt.i[950,963] [2021-03-26 00:10:56,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:10:56,910 INFO L208 MainTranslator]: Completed translation [2021-03-26 00:10:56,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56 WrapperNode [2021-03-26 00:10:56,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 00:10:56,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 00:10:56,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 00:10:56,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 00:10:56,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56" (1/1) ... [2021-03-26 00:10:56,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56" (1/1) ... [2021-03-26 00:10:56,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 00:10:56,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 00:10:56,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 00:10:56,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 00:10:56,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56" (1/1) ... [2021-03-26 00:10:56,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56" (1/1) ... [2021-03-26 00:10:56,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56" (1/1) ... [2021-03-26 00:10:56,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56" (1/1) ... [2021-03-26 00:10:56,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56" (1/1) ... [2021-03-26 00:10:56,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56" (1/1) ... [2021-03-26 00:10:56,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56" (1/1) ... [2021-03-26 00:10:56,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 00:10:56,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 00:10:56,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 00:10:56,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 00:10:56,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56" (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 00:10:57,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 00:10:57,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 00:10:57,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 00:10:57,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 00:10:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 00:10:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 00:10:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 00:10:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 00:10:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 00:10:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 00:10:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 00:10:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 00:10:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 00:10:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 00:10:57,059 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 00:10:58,683 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 00:10:58,684 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 00:10:58,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:10:58 BoogieIcfgContainer [2021-03-26 00:10:58,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 00:10:58,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 00:10:58,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 00:10:58,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 00:10:58,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 12:10:56" (1/3) ... [2021-03-26 00:10:58,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@673ddb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:10:58, skipping insertion in model container [2021-03-26 00:10:58,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:10:56" (2/3) ... [2021-03-26 00:10:58,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@673ddb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:10:58, skipping insertion in model container [2021-03-26 00:10:58,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:10:58" (3/3) ... [2021-03-26 00:10:58,692 INFO L111 eAbstractionObserver]: Analyzing ICFG mix025_power.opt.i [2021-03-26 00:10:58,698 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 00:10:58,701 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 00:10:58,702 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 00:10:58,763 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,763 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,763 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,764 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,764 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,764 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,764 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,765 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,765 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,766 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,766 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,766 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,766 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,766 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,766 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,766 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,766 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,767 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,769 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,769 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,769 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,769 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,770 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,771 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,771 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,771 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,772 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,772 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,775 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,775 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,776 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,776 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,790 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,791 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,791 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,795 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,796 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,799 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,799 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,800 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:10:58,801 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:10:58,816 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 00:10:58,832 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:10:58,832 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:10:58,832 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:10:58,832 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:10:58,832 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:10:58,833 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:10:58,833 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:10:58,833 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:10:58,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-03-26 00:10:58,870 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-03-26 00:10:58,870 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:10:58,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-26 00:10:58,873 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 215 flow [2021-03-26 00:10:58,877 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 97 transitions, 203 flow [2021-03-26 00:10:58,878 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:10:58,888 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 203 flow [2021-03-26 00:10:58,890 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 203 flow [2021-03-26 00:10:58,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 203 flow [2021-03-26 00:10:58,908 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-03-26 00:10:58,908 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:10:58,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-26 00:10:58,911 INFO L142 LiptonReduction]: Number of co-enabled transitions 1778 [2021-03-26 00:11:00,210 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 00:11:00,663 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2021-03-26 00:11:00,821 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-26 00:11:01,865 INFO L154 LiptonReduction]: Checked pairs total: 3086 [2021-03-26 00:11:01,866 INFO L156 LiptonReduction]: Total number of compositions: 64 [2021-03-26 00:11:01,870 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2993 [2021-03-26 00:11:01,881 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-03-26 00:11:01,882 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:11:01,882 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:01,882 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:01,883 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:01,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:01,888 INFO L82 PathProgramCache]: Analyzing trace with hash 699704113, now seen corresponding path program 1 times [2021-03-26 00:11:01,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:01,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426465002] [2021-03-26 00:11:01,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:02,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:02,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:02,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:02,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:02,136 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 00:11:02,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426465002] [2021-03-26 00:11:02,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:02,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:11:02,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262877254] [2021-03-26 00:11:02,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:11:02,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:02,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:11:02,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:11:02,156 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 164 [2021-03-26 00:11:02,159 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:02,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:02,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 164 [2021-03-26 00:11:02,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:02,256 INFO L129 PetriNetUnfolder]: 49/143 cut-off events. [2021-03-26 00:11:02,256 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:11:02,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 143 events. 49/143 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 571 event pairs, 38 based on Foata normal form. 17/151 useless extension candidates. Maximal degree in co-relation 219. Up to 65 conditions per place. [2021-03-26 00:11:02,259 INFO L132 encePairwiseOnDemand]: 160/164 looper letters, 9 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2021-03-26 00:11:02,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 42 transitions, 115 flow [2021-03-26 00:11:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:11:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:11:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 446 transitions. [2021-03-26 00:11:02,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9065040650406504 [2021-03-26 00:11:02,277 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 446 transitions. [2021-03-26 00:11:02,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 446 transitions. [2021-03-26 00:11:02,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:02,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 446 transitions. [2021-03-26 00:11:02,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:02,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:02,298 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:02,300 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 91 flow. Second operand 3 states and 446 transitions. [2021-03-26 00:11:02,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 42 transitions, 115 flow [2021-03-26 00:11:02,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 42 transitions, 112 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 00:11:02,304 INFO L241 Difference]: Finished difference. Result has 47 places, 38 transitions, 86 flow [2021-03-26 00:11:02,305 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2021-03-26 00:11:02,306 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2021-03-26 00:11:02,306 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:02,306 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 38 transitions, 86 flow [2021-03-26 00:11:02,307 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 38 transitions, 86 flow [2021-03-26 00:11:02,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 86 flow [2021-03-26 00:11:02,316 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-03-26 00:11:02,316 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:11:02,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 00:11:02,317 INFO L142 LiptonReduction]: Number of co-enabled transitions 394 [2021-03-26 00:11:02,867 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-26 00:11:03,003 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-26 00:11:03,814 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-03-26 00:11:03,960 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-03-26 00:11:04,114 INFO L154 LiptonReduction]: Checked pairs total: 1610 [2021-03-26 00:11:04,115 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 00:11:04,115 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1809 [2021-03-26 00:11:04,117 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 60 flow [2021-03-26 00:11:04,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:04,117 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:04,117 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:04,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 00:11:04,118 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:04,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:04,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1973046455, now seen corresponding path program 1 times [2021-03-26 00:11:04,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:04,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125629121] [2021-03-26 00:11:04,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:04,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:04,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:04,229 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:11:04,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:11:04,239 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 00:11:04,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:11:04,243 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 00:11:04,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125629121] [2021-03-26 00:11:04,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:04,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:11:04,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052983667] [2021-03-26 00:11:04,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:11:04,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:04,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:11:04,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:11:04,247 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 177 [2021-03-26 00:11:04,248 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 60 flow. Second operand has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:04,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:04,248 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 177 [2021-03-26 00:11:04,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:04,327 INFO L129 PetriNetUnfolder]: 82/233 cut-off events. [2021-03-26 00:11:04,327 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:11:04,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 233 events. 82/233 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1260 event pairs, 12 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 389. Up to 67 conditions per place. [2021-03-26 00:11:04,329 INFO L132 encePairwiseOnDemand]: 169/177 looper letters, 6 selfloop transitions, 6 changer transitions 12/41 dead transitions. [2021-03-26 00:11:04,329 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 41 transitions, 140 flow [2021-03-26 00:11:04,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:11:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:11:04,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 730 transitions. [2021-03-26 00:11:04,332 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8248587570621468 [2021-03-26 00:11:04,332 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 730 transitions. [2021-03-26 00:11:04,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 730 transitions. [2021-03-26 00:11:04,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:04,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 730 transitions. [2021-03-26 00:11:04,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:04,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:04,342 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:04,342 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 60 flow. Second operand 5 states and 730 transitions. [2021-03-26 00:11:04,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 41 transitions, 140 flow [2021-03-26 00:11:04,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 41 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:11:04,344 INFO L241 Difference]: Finished difference. Result has 40 places, 29 transitions, 110 flow [2021-03-26 00:11:04,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=110, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2021-03-26 00:11:04,344 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -10 predicate places. [2021-03-26 00:11:04,344 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:04,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 29 transitions, 110 flow [2021-03-26 00:11:04,345 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 29 transitions, 110 flow [2021-03-26 00:11:04,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 29 transitions, 110 flow [2021-03-26 00:11:04,360 INFO L129 PetriNetUnfolder]: 38/143 cut-off events. [2021-03-26 00:11:04,361 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-03-26 00:11:04,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 143 events. 38/143 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 719 event pairs, 10 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 291. Up to 67 conditions per place. [2021-03-26 00:11:04,363 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 00:11:05,225 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-03-26 00:11:05,395 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-03-26 00:11:05,711 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-03-26 00:11:05,852 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-03-26 00:11:05,858 INFO L154 LiptonReduction]: Checked pairs total: 813 [2021-03-26 00:11:05,858 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:11:05,858 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1514 [2021-03-26 00:11:05,859 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 27 transitions, 106 flow [2021-03-26 00:11:05,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:05,860 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:05,860 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:05,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:11:05,860 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:05,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:05,860 INFO L82 PathProgramCache]: Analyzing trace with hash -458321849, now seen corresponding path program 1 times [2021-03-26 00:11:05,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:05,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235009718] [2021-03-26 00:11:05,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:05,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:05,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:05,929 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:11:05,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:11:05,938 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 00:11:05,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235009718] [2021-03-26 00:11:05,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:05,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:11:05,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694377300] [2021-03-26 00:11:05,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:11:05,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:05,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:11:05,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:11:05,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 179 [2021-03-26 00:11:05,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 27 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:05,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:05,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 179 [2021-03-26 00:11:05,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:05,974 INFO L129 PetriNetUnfolder]: 26/116 cut-off events. [2021-03-26 00:11:05,974 INFO L130 PetriNetUnfolder]: For 42/61 co-relation queries the response was YES. [2021-03-26 00:11:05,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 303 conditions, 116 events. 26/116 cut-off events. For 42/61 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 512 event pairs, 5 based on Foata normal form. 4/120 useless extension candidates. Maximal degree in co-relation 290. Up to 49 conditions per place. [2021-03-26 00:11:05,977 INFO L132 encePairwiseOnDemand]: 173/179 looper letters, 9 selfloop transitions, 6 changer transitions 0/30 dead transitions. [2021-03-26 00:11:05,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 30 transitions, 154 flow [2021-03-26 00:11:05,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:11:05,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:11:05,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 596 transitions. [2021-03-26 00:11:05,981 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8324022346368715 [2021-03-26 00:11:05,981 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 596 transitions. [2021-03-26 00:11:05,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 596 transitions. [2021-03-26 00:11:05,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:05,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 596 transitions. [2021-03-26 00:11:05,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:05,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:05,985 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:05,985 INFO L185 Difference]: Start difference. First operand has 35 places, 27 transitions, 106 flow. Second operand 4 states and 596 transitions. [2021-03-26 00:11:05,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 30 transitions, 154 flow [2021-03-26 00:11:05,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 30 transitions, 126 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 00:11:05,989 INFO L241 Difference]: Finished difference. Result has 37 places, 29 transitions, 122 flow [2021-03-26 00:11:05,989 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=122, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2021-03-26 00:11:05,989 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -13 predicate places. [2021-03-26 00:11:05,989 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:05,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 29 transitions, 122 flow [2021-03-26 00:11:05,990 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 29 transitions, 122 flow [2021-03-26 00:11:05,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 29 transitions, 122 flow [2021-03-26 00:11:06,002 INFO L129 PetriNetUnfolder]: 26/108 cut-off events. [2021-03-26 00:11:06,003 INFO L130 PetriNetUnfolder]: For 39/42 co-relation queries the response was YES. [2021-03-26 00:11:06,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 108 events. 26/108 cut-off events. For 39/42 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 472 event pairs, 5 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 228. Up to 49 conditions per place. [2021-03-26 00:11:06,008 INFO L142 LiptonReduction]: Number of co-enabled transitions 298 [2021-03-26 00:11:06,240 INFO L154 LiptonReduction]: Checked pairs total: 319 [2021-03-26 00:11:06,241 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:11:06,241 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 252 [2021-03-26 00:11:06,244 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 122 flow [2021-03-26 00:11:06,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:06,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:06,245 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:06,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:11:06,245 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:06,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:06,246 INFO L82 PathProgramCache]: Analyzing trace with hash -2119533396, now seen corresponding path program 1 times [2021-03-26 00:11:06,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:06,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248152600] [2021-03-26 00:11:06,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:06,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:06,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:06,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:11:06,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:06,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:06,334 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 00:11:06,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248152600] [2021-03-26 00:11:06,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:06,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:11:06,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822210864] [2021-03-26 00:11:06,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:11:06,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:06,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:11:06,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:11:06,338 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 179 [2021-03-26 00:11:06,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 122 flow. Second operand has 4 states, 4 states have (on average 151.75) internal successors, (607), 4 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:06,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:06,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 179 [2021-03-26 00:11:06,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:06,400 INFO L129 PetriNetUnfolder]: 123/322 cut-off events. [2021-03-26 00:11:06,400 INFO L130 PetriNetUnfolder]: For 55/58 co-relation queries the response was YES. [2021-03-26 00:11:06,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 696 conditions, 322 events. 123/322 cut-off events. For 55/58 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 1999 event pairs, 46 based on Foata normal form. 30/333 useless extension candidates. Maximal degree in co-relation 682. Up to 175 conditions per place. [2021-03-26 00:11:06,402 INFO L132 encePairwiseOnDemand]: 173/179 looper letters, 8 selfloop transitions, 8 changer transitions 0/39 dead transitions. [2021-03-26 00:11:06,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 39 transitions, 174 flow [2021-03-26 00:11:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:11:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:11:06,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 773 transitions. [2021-03-26 00:11:06,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8636871508379889 [2021-03-26 00:11:06,405 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 773 transitions. [2021-03-26 00:11:06,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 773 transitions. [2021-03-26 00:11:06,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:06,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 773 transitions. [2021-03-26 00:11:06,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 154.6) internal successors, (773), 5 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:06,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 179.0) internal successors, (1074), 6 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:06,410 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 179.0) internal successors, (1074), 6 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:06,410 INFO L185 Difference]: Start difference. First operand has 37 places, 29 transitions, 122 flow. Second operand 5 states and 773 transitions. [2021-03-26 00:11:06,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 39 transitions, 174 flow [2021-03-26 00:11:06,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 39 transitions, 171 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 00:11:06,413 INFO L241 Difference]: Finished difference. Result has 43 places, 36 transitions, 179 flow [2021-03-26 00:11:06,413 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=179, PETRI_PLACES=43, PETRI_TRANSITIONS=36} [2021-03-26 00:11:06,413 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -7 predicate places. [2021-03-26 00:11:06,413 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:06,414 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 36 transitions, 179 flow [2021-03-26 00:11:06,414 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 36 transitions, 179 flow [2021-03-26 00:11:06,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 36 transitions, 179 flow [2021-03-26 00:11:06,446 INFO L129 PetriNetUnfolder]: 122/319 cut-off events. [2021-03-26 00:11:06,447 INFO L130 PetriNetUnfolder]: For 202/262 co-relation queries the response was YES. [2021-03-26 00:11:06,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 881 conditions, 319 events. 122/319 cut-off events. For 202/262 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2002 event pairs, 45 based on Foata normal form. 4/296 useless extension candidates. Maximal degree in co-relation 865. Up to 178 conditions per place. [2021-03-26 00:11:06,450 INFO L142 LiptonReduction]: Number of co-enabled transitions 434 [2021-03-26 00:11:06,643 INFO L154 LiptonReduction]: Checked pairs total: 719 [2021-03-26 00:11:06,643 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:11:06,643 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 230 [2021-03-26 00:11:06,644 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 35 transitions, 173 flow [2021-03-26 00:11:06,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 151.75) internal successors, (607), 4 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:06,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:06,645 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:06,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:11:06,645 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:06,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:06,646 INFO L82 PathProgramCache]: Analyzing trace with hash 31464797, now seen corresponding path program 1 times [2021-03-26 00:11:06,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:06,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267167973] [2021-03-26 00:11:06,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:06,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:06,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:06,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:06,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:06,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:06,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:11:06,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:06,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:06,778 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 00:11:06,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267167973] [2021-03-26 00:11:06,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:06,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:11:06,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071507048] [2021-03-26 00:11:06,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:11:06,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:06,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:11:06,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:11:06,781 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 179 [2021-03-26 00:11:06,782 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 35 transitions, 173 flow. Second operand has 5 states, 5 states have (on average 151.8) internal successors, (759), 5 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:06,782 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:06,782 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 179 [2021-03-26 00:11:06,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:06,842 INFO L129 PetriNetUnfolder]: 61/203 cut-off events. [2021-03-26 00:11:06,842 INFO L130 PetriNetUnfolder]: For 198/263 co-relation queries the response was YES. [2021-03-26 00:11:06,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 203 events. 61/203 cut-off events. For 198/263 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1083 event pairs, 7 based on Foata normal form. 56/255 useless extension candidates. Maximal degree in co-relation 661. Up to 119 conditions per place. [2021-03-26 00:11:06,844 INFO L132 encePairwiseOnDemand]: 173/179 looper letters, 5 selfloop transitions, 11 changer transitions 3/42 dead transitions. [2021-03-26 00:11:06,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 42 transitions, 251 flow [2021-03-26 00:11:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:11:06,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:11:06,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 927 transitions. [2021-03-26 00:11:06,847 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8631284916201117 [2021-03-26 00:11:06,847 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 927 transitions. [2021-03-26 00:11:06,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 927 transitions. [2021-03-26 00:11:06,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:06,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 927 transitions. [2021-03-26 00:11:06,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:06,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:06,852 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:06,853 INFO L185 Difference]: Start difference. First operand has 43 places, 35 transitions, 173 flow. Second operand 6 states and 927 transitions. [2021-03-26 00:11:06,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 42 transitions, 251 flow [2021-03-26 00:11:06,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 42 transitions, 245 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 00:11:06,858 INFO L241 Difference]: Finished difference. Result has 47 places, 39 transitions, 237 flow [2021-03-26 00:11:06,858 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=237, PETRI_PLACES=47, PETRI_TRANSITIONS=39} [2021-03-26 00:11:06,858 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2021-03-26 00:11:06,858 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:06,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 39 transitions, 237 flow [2021-03-26 00:11:06,859 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 39 transitions, 237 flow [2021-03-26 00:11:06,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 39 transitions, 237 flow [2021-03-26 00:11:06,882 INFO L129 PetriNetUnfolder]: 57/197 cut-off events. [2021-03-26 00:11:06,882 INFO L130 PetriNetUnfolder]: For 352/377 co-relation queries the response was YES. [2021-03-26 00:11:06,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 197 events. 57/197 cut-off events. For 352/377 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1087 event pairs, 6 based on Foata normal form. 1/195 useless extension candidates. Maximal degree in co-relation 685. Up to 113 conditions per place. [2021-03-26 00:11:06,884 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-26 00:11:06,947 INFO L154 LiptonReduction]: Checked pairs total: 751 [2021-03-26 00:11:06,948 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:11:06,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 90 [2021-03-26 00:11:06,950 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 229 flow [2021-03-26 00:11:06,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 151.8) internal successors, (759), 5 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:06,951 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:06,951 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 00:11:06,951 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:11:06,951 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:06,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:06,951 INFO L82 PathProgramCache]: Analyzing trace with hash 224393125, now seen corresponding path program 1 times [2021-03-26 00:11:06,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:06,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202933261] [2021-03-26 00:11:06,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:07,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:07,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:07,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:07,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:07,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:07,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:07,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:07,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:11:07,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:07,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:07,092 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 00:11:07,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202933261] [2021-03-26 00:11:07,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:07,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:11:07,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696185404] [2021-03-26 00:11:07,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:11:07,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:07,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:11:07,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:11:07,095 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 179 [2021-03-26 00:11:07,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 229 flow. Second operand has 6 states, 6 states have (on average 151.83333333333334) internal successors, (911), 6 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:07,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:07,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 179 [2021-03-26 00:11:07,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:07,167 INFO L129 PetriNetUnfolder]: 34/127 cut-off events. [2021-03-26 00:11:07,167 INFO L130 PetriNetUnfolder]: For 269/303 co-relation queries the response was YES. [2021-03-26 00:11:07,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 127 events. 34/127 cut-off events. For 269/303 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 540 event pairs, 1 based on Foata normal form. 36/161 useless extension candidates. Maximal degree in co-relation 464. Up to 66 conditions per place. [2021-03-26 00:11:07,168 INFO L132 encePairwiseOnDemand]: 173/179 looper letters, 2 selfloop transitions, 11 changer transitions 3/39 dead transitions. [2021-03-26 00:11:07,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 39 transitions, 261 flow [2021-03-26 00:11:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:11:07,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:11:07,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1075 transitions. [2021-03-26 00:11:07,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8579409417398244 [2021-03-26 00:11:07,171 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1075 transitions. [2021-03-26 00:11:07,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1075 transitions. [2021-03-26 00:11:07,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:07,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1075 transitions. [2021-03-26 00:11:07,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 153.57142857142858) internal successors, (1075), 7 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:07,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 179.0) internal successors, (1432), 8 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:07,176 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 179.0) internal successors, (1432), 8 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:07,176 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 229 flow. Second operand 7 states and 1075 transitions. [2021-03-26 00:11:07,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 39 transitions, 261 flow [2021-03-26 00:11:07,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 39 transitions, 236 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-26 00:11:07,179 INFO L241 Difference]: Finished difference. Result has 50 places, 36 transitions, 216 flow [2021-03-26 00:11:07,179 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=216, PETRI_PLACES=50, PETRI_TRANSITIONS=36} [2021-03-26 00:11:07,179 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 0 predicate places. [2021-03-26 00:11:07,179 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:07,180 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 36 transitions, 216 flow [2021-03-26 00:11:07,180 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 36 transitions, 216 flow [2021-03-26 00:11:07,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 36 transitions, 216 flow [2021-03-26 00:11:07,191 INFO L129 PetriNetUnfolder]: 30/121 cut-off events. [2021-03-26 00:11:07,191 INFO L130 PetriNetUnfolder]: For 174/179 co-relation queries the response was YES. [2021-03-26 00:11:07,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 121 events. 30/121 cut-off events. For 174/179 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 528 event pairs, 1 based on Foata normal form. 1/120 useless extension candidates. Maximal degree in co-relation 395. Up to 39 conditions per place. [2021-03-26 00:11:07,193 INFO L142 LiptonReduction]: Number of co-enabled transitions 288 [2021-03-26 00:11:07,545 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-26 00:11:07,716 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-26 00:11:07,827 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-26 00:11:08,073 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-26 00:11:08,235 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-26 00:11:08,242 INFO L154 LiptonReduction]: Checked pairs total: 797 [2021-03-26 00:11:08,242 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:11:08,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1063 [2021-03-26 00:11:08,243 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 33 transitions, 202 flow [2021-03-26 00:11:08,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 151.83333333333334) internal successors, (911), 6 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:08,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:08,244 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] [2021-03-26 00:11:08,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:11:08,244 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:08,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:08,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1208629822, now seen corresponding path program 1 times [2021-03-26 00:11:08,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:08,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465855168] [2021-03-26 00:11:08,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:08,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:08,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:08,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:08,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:08,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:08,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:08,297 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:11:08,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:11:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:11:08,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465855168] [2021-03-26 00:11:08,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:08,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:11:08,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879038172] [2021-03-26 00:11:08,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:11:08,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:08,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:11:08,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:11:08,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 181 [2021-03-26 00:11:08,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 33 transitions, 202 flow. Second operand has 5 states, 5 states have (on average 147.4) internal successors, (737), 5 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:08,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:08,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 181 [2021-03-26 00:11:08,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:08,383 INFO L129 PetriNetUnfolder]: 40/142 cut-off events. [2021-03-26 00:11:08,383 INFO L130 PetriNetUnfolder]: For 317/354 co-relation queries the response was YES. [2021-03-26 00:11:08,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 523 conditions, 142 events. 40/142 cut-off events. For 317/354 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 693 event pairs, 0 based on Foata normal form. 21/159 useless extension candidates. Maximal degree in co-relation 501. Up to 51 conditions per place. [2021-03-26 00:11:08,384 INFO L132 encePairwiseOnDemand]: 175/181 looper letters, 5 selfloop transitions, 6 changer transitions 11/41 dead transitions. [2021-03-26 00:11:08,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 41 transitions, 282 flow [2021-03-26 00:11:08,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:11:08,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:11:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 748 transitions. [2021-03-26 00:11:08,386 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8265193370165745 [2021-03-26 00:11:08,386 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 748 transitions. [2021-03-26 00:11:08,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 748 transitions. [2021-03-26 00:11:08,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:08,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 748 transitions. [2021-03-26 00:11:08,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 149.6) internal successors, (748), 5 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:08,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 181.0) internal successors, (1086), 6 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:08,390 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 181.0) internal successors, (1086), 6 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:08,390 INFO L185 Difference]: Start difference. First operand has 46 places, 33 transitions, 202 flow. Second operand 5 states and 748 transitions. [2021-03-26 00:11:08,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 41 transitions, 282 flow [2021-03-26 00:11:08,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 41 transitions, 240 flow, removed 12 selfloop flow, removed 7 redundant places. [2021-03-26 00:11:08,392 INFO L241 Difference]: Finished difference. Result has 46 places, 30 transitions, 163 flow [2021-03-26 00:11:08,392 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=163, PETRI_PLACES=46, PETRI_TRANSITIONS=30} [2021-03-26 00:11:08,393 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -4 predicate places. [2021-03-26 00:11:08,393 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:08,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 30 transitions, 163 flow [2021-03-26 00:11:08,393 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 30 transitions, 163 flow [2021-03-26 00:11:08,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 30 transitions, 163 flow [2021-03-26 00:11:08,398 INFO L129 PetriNetUnfolder]: 11/48 cut-off events. [2021-03-26 00:11:08,398 INFO L130 PetriNetUnfolder]: For 48/63 co-relation queries the response was YES. [2021-03-26 00:11:08,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 48 events. 11/48 cut-off events. For 48/63 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 124 event pairs, 0 based on Foata normal form. 8/55 useless extension candidates. Maximal degree in co-relation 125. Up to 14 conditions per place. [2021-03-26 00:11:08,399 INFO L142 LiptonReduction]: Number of co-enabled transitions 190 [2021-03-26 00:11:08,431 INFO L154 LiptonReduction]: Checked pairs total: 440 [2021-03-26 00:11:08,431 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:11:08,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-26 00:11:08,432 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 30 transitions, 165 flow [2021-03-26 00:11:08,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 147.4) internal successors, (737), 5 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:08,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:08,433 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 00:11:08,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 00:11:08,433 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:08,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:08,434 INFO L82 PathProgramCache]: Analyzing trace with hash 512327214, now seen corresponding path program 1 times [2021-03-26 00:11:08,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:08,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971902319] [2021-03-26 00:11:08,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:08,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:08,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:08,562 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size [2021-03-26 00:11:08,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 00:11:08,587 INFO L142 QuantifierPusher]: treesize reduction 12, result has 80.3 percent of original size [2021-03-26 00:11:08,588 INFO L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-03-26 00:11:08,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:08,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:11:08,612 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 00:11:08,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971902319] [2021-03-26 00:11:08,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:08,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:11:08,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377890775] [2021-03-26 00:11:08,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:11:08,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:08,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:11:08,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:11:08,614 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 182 [2021-03-26 00:11:08,614 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 30 transitions, 165 flow. Second operand has 5 states, 5 states have (on average 134.4) internal successors, (672), 5 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:08,614 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:08,614 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 182 [2021-03-26 00:11:08,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:08,719 INFO L129 PetriNetUnfolder]: 59/169 cut-off events. [2021-03-26 00:11:08,719 INFO L130 PetriNetUnfolder]: For 217/311 co-relation queries the response was YES. [2021-03-26 00:11:08,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 169 events. 59/169 cut-off events. For 217/311 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 731 event pairs, 7 based on Foata normal form. 37/197 useless extension candidates. Maximal degree in co-relation 445. Up to 50 conditions per place. [2021-03-26 00:11:08,721 INFO L132 encePairwiseOnDemand]: 176/182 looper letters, 6 selfloop transitions, 8 changer transitions 5/42 dead transitions. [2021-03-26 00:11:08,721 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 42 transitions, 243 flow [2021-03-26 00:11:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:11:08,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:11:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 818 transitions. [2021-03-26 00:11:08,723 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7490842490842491 [2021-03-26 00:11:08,723 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 818 transitions. [2021-03-26 00:11:08,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 818 transitions. [2021-03-26 00:11:08,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:08,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 818 transitions. [2021-03-26 00:11:08,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 136.33333333333334) internal successors, (818), 6 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:08,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 182.0) internal successors, (1274), 7 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:08,729 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 182.0) internal successors, (1274), 7 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:08,729 INFO L185 Difference]: Start difference. First operand has 44 places, 30 transitions, 165 flow. Second operand 6 states and 818 transitions. [2021-03-26 00:11:08,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 42 transitions, 243 flow [2021-03-26 00:11:08,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 42 transitions, 223 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 00:11:08,733 INFO L241 Difference]: Finished difference. Result has 48 places, 37 transitions, 212 flow [2021-03-26 00:11:08,733 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=182, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=212, PETRI_PLACES=48, PETRI_TRANSITIONS=37} [2021-03-26 00:11:08,734 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -2 predicate places. [2021-03-26 00:11:08,734 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:08,734 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 37 transitions, 212 flow [2021-03-26 00:11:08,734 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 37 transitions, 212 flow [2021-03-26 00:11:08,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 37 transitions, 212 flow [2021-03-26 00:11:08,750 INFO L129 PetriNetUnfolder]: 53/151 cut-off events. [2021-03-26 00:11:08,750 INFO L130 PetriNetUnfolder]: For 137/173 co-relation queries the response was YES. [2021-03-26 00:11:08,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 151 events. 53/151 cut-off events. For 137/173 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 637 event pairs, 5 based on Foata normal form. 21/163 useless extension candidates. Maximal degree in co-relation 418. Up to 39 conditions per place. [2021-03-26 00:11:08,752 INFO L142 LiptonReduction]: Number of co-enabled transitions 242 [2021-03-26 00:11:08,928 INFO L154 LiptonReduction]: Checked pairs total: 34 [2021-03-26 00:11:08,929 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:11:08,929 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 195 [2021-03-26 00:11:08,929 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 213 flow [2021-03-26 00:11:08,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 134.4) internal successors, (672), 5 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:08,930 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:08,930 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 00:11:08,930 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 00:11:08,930 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:08,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:08,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1709703026, now seen corresponding path program 2 times [2021-03-26 00:11:08,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:08,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214609400] [2021-03-26 00:11:08,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:08,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:08,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:08,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:08,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:08,999 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 00:11:09,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:11:09,009 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 00:11:09,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214609400] [2021-03-26 00:11:09,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:09,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:11:09,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085470011] [2021-03-26 00:11:09,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:11:09,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:09,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:11:09,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:11:09,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 185 [2021-03-26 00:11:09,012 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 213 flow. Second operand has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:09,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:09,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 185 [2021-03-26 00:11:09,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:09,068 INFO L129 PetriNetUnfolder]: 55/178 cut-off events. [2021-03-26 00:11:09,068 INFO L130 PetriNetUnfolder]: For 276/359 co-relation queries the response was YES. [2021-03-26 00:11:09,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 178 events. 55/178 cut-off events. For 276/359 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 888 event pairs, 6 based on Foata normal form. 45/213 useless extension candidates. Maximal degree in co-relation 530. Up to 44 conditions per place. [2021-03-26 00:11:09,070 INFO L132 encePairwiseOnDemand]: 175/185 looper letters, 5 selfloop transitions, 10 changer transitions 2/38 dead transitions. [2021-03-26 00:11:09,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 247 flow [2021-03-26 00:11:09,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:11:09,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:11:09,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 729 transitions. [2021-03-26 00:11:09,072 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7881081081081082 [2021-03-26 00:11:09,072 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 729 transitions. [2021-03-26 00:11:09,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 729 transitions. [2021-03-26 00:11:09,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:09,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 729 transitions. [2021-03-26 00:11:09,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 145.8) internal successors, (729), 5 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:09,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 185.0) internal successors, (1110), 6 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:09,076 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 185.0) internal successors, (1110), 6 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:09,076 INFO L185 Difference]: Start difference. First operand has 45 places, 36 transitions, 213 flow. Second operand 5 states and 729 transitions. [2021-03-26 00:11:09,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 247 flow [2021-03-26 00:11:09,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 38 transitions, 245 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 00:11:09,079 INFO L241 Difference]: Finished difference. Result has 49 places, 36 transitions, 241 flow [2021-03-26 00:11:09,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=241, PETRI_PLACES=49, PETRI_TRANSITIONS=36} [2021-03-26 00:11:09,079 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -1 predicate places. [2021-03-26 00:11:09,079 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:09,080 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 36 transitions, 241 flow [2021-03-26 00:11:09,080 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 36 transitions, 241 flow [2021-03-26 00:11:09,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 36 transitions, 241 flow [2021-03-26 00:11:09,098 INFO L129 PetriNetUnfolder]: 57/181 cut-off events. [2021-03-26 00:11:09,098 INFO L130 PetriNetUnfolder]: For 188/215 co-relation queries the response was YES. [2021-03-26 00:11:09,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 181 events. 57/181 cut-off events. For 188/215 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 928 event pairs, 4 based on Foata normal form. 11/180 useless extension candidates. Maximal degree in co-relation 545. Up to 50 conditions per place. [2021-03-26 00:11:09,100 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-26 00:11:09,124 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-26 00:11:09,125 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:11:09,125 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 00:11:09,125 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 36 transitions, 241 flow [2021-03-26 00:11:09,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:09,126 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:09,126 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 00:11:09,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 00:11:09,126 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:09,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:09,126 INFO L82 PathProgramCache]: Analyzing trace with hash 910474886, now seen corresponding path program 1 times [2021-03-26 00:11:09,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:09,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351699479] [2021-03-26 00:11:09,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:09,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:09,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:11:09,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:09,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:09,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:09,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:09,204 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 00:11:09,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351699479] [2021-03-26 00:11:09,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:09,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:11:09,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817076872] [2021-03-26 00:11:09,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:11:09,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:09,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:11:09,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:11:09,206 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 185 [2021-03-26 00:11:09,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 36 transitions, 241 flow. Second operand has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:09,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:09,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 185 [2021-03-26 00:11:09,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:09,242 INFO L129 PetriNetUnfolder]: 62/202 cut-off events. [2021-03-26 00:11:09,243 INFO L130 PetriNetUnfolder]: For 340/391 co-relation queries the response was YES. [2021-03-26 00:11:09,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 645 conditions, 202 events. 62/202 cut-off events. For 340/391 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1066 event pairs, 7 based on Foata normal form. 16/204 useless extension candidates. Maximal degree in co-relation 622. Up to 56 conditions per place. [2021-03-26 00:11:09,244 INFO L132 encePairwiseOnDemand]: 181/185 looper letters, 3 selfloop transitions, 1 changer transitions 8/36 dead transitions. [2021-03-26 00:11:09,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 36 transitions, 255 flow [2021-03-26 00:11:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:11:09,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:11:09,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 619 transitions. [2021-03-26 00:11:09,246 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8364864864864865 [2021-03-26 00:11:09,246 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 619 transitions. [2021-03-26 00:11:09,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 619 transitions. [2021-03-26 00:11:09,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:09,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 619 transitions. [2021-03-26 00:11:09,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 154.75) internal successors, (619), 4 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:09,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 185.0) internal successors, (925), 5 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:09,250 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 185.0) internal successors, (925), 5 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:09,250 INFO L185 Difference]: Start difference. First operand has 49 places, 36 transitions, 241 flow. Second operand 4 states and 619 transitions. [2021-03-26 00:11:09,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 36 transitions, 255 flow [2021-03-26 00:11:09,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 36 transitions, 241 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-26 00:11:09,253 INFO L241 Difference]: Finished difference. Result has 50 places, 28 transitions, 170 flow [2021-03-26 00:11:09,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=185, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=170, PETRI_PLACES=50, PETRI_TRANSITIONS=28} [2021-03-26 00:11:09,253 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 0 predicate places. [2021-03-26 00:11:09,254 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:09,254 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 28 transitions, 170 flow [2021-03-26 00:11:09,254 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 28 transitions, 170 flow [2021-03-26 00:11:09,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 28 transitions, 170 flow [2021-03-26 00:11:09,260 INFO L129 PetriNetUnfolder]: 15/51 cut-off events. [2021-03-26 00:11:09,261 INFO L130 PetriNetUnfolder]: For 81/94 co-relation queries the response was YES. [2021-03-26 00:11:09,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 51 events. 15/51 cut-off events. For 81/94 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 118 event pairs, 1 based on Foata normal form. 4/52 useless extension candidates. Maximal degree in co-relation 147. Up to 16 conditions per place. [2021-03-26 00:11:09,261 INFO L142 LiptonReduction]: Number of co-enabled transitions 126 [2021-03-26 00:11:09,440 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-03-26 00:11:09,775 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 85 [2021-03-26 00:11:10,038 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-03-26 00:11:10,432 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 92 [2021-03-26 00:11:10,568 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-03-26 00:11:11,454 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 179 [2021-03-26 00:11:11,736 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-03-26 00:11:13,082 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 304 DAG size of output: 260 [2021-03-26 00:11:13,691 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2021-03-26 00:11:14,318 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 180 [2021-03-26 00:11:14,623 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-26 00:11:15,945 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 304 DAG size of output: 260 [2021-03-26 00:11:16,523 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2021-03-26 00:11:16,531 INFO L154 LiptonReduction]: Checked pairs total: 43 [2021-03-26 00:11:16,531 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 00:11:16,531 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7277 [2021-03-26 00:11:16,531 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 26 transitions, 174 flow [2021-03-26 00:11:16,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:16,532 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:16,532 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 00:11:16,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 00:11:16,532 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:16,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:16,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1528999122, now seen corresponding path program 1 times [2021-03-26 00:11:16,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:16,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053072735] [2021-03-26 00:11:16,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:11:16,671 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 00:11:16,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 00:11:16,702 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.8 percent of original size [2021-03-26 00:11:16,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 00:11:16,757 INFO L142 QuantifierPusher]: treesize reduction 38, result has 63.5 percent of original size [2021-03-26 00:11:16,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 00:11:16,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:16,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:11:16,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:11:16,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:11:16,833 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 00:11:16,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053072735] [2021-03-26 00:11:16,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:11:16,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:11:16,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056214434] [2021-03-26 00:11:16,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 00:11:16,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:11:16,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 00:11:16,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 00:11:16,835 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 190 [2021-03-26 00:11:16,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 26 transitions, 174 flow. Second operand has 7 states, 7 states have (on average 129.0) internal successors, (903), 7 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:16,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:11:16,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 190 [2021-03-26 00:11:16,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:11:17,001 INFO L129 PetriNetUnfolder]: 19/62 cut-off events. [2021-03-26 00:11:17,001 INFO L130 PetriNetUnfolder]: For 234/300 co-relation queries the response was YES. [2021-03-26 00:11:17,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 62 events. 19/62 cut-off events. For 234/300 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 182 event pairs, 0 based on Foata normal form. 16/76 useless extension candidates. Maximal degree in co-relation 205. Up to 18 conditions per place. [2021-03-26 00:11:17,002 INFO L132 encePairwiseOnDemand]: 184/190 looper letters, 8 selfloop transitions, 3 changer transitions 4/30 dead transitions. [2021-03-26 00:11:17,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 30 transitions, 228 flow [2021-03-26 00:11:17,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:11:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:11:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 783 transitions. [2021-03-26 00:11:17,005 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6868421052631579 [2021-03-26 00:11:17,005 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 783 transitions. [2021-03-26 00:11:17,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 783 transitions. [2021-03-26 00:11:17,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:11:17,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 783 transitions. [2021-03-26 00:11:17,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 130.5) internal successors, (783), 6 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:17,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:17,009 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:17,009 INFO L185 Difference]: Start difference. First operand has 46 places, 26 transitions, 174 flow. Second operand 6 states and 783 transitions. [2021-03-26 00:11:17,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 30 transitions, 228 flow [2021-03-26 00:11:17,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 30 transitions, 196 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-03-26 00:11:17,011 INFO L241 Difference]: Finished difference. Result has 46 places, 24 transitions, 140 flow [2021-03-26 00:11:17,011 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=140, PETRI_PLACES=46, PETRI_TRANSITIONS=24} [2021-03-26 00:11:17,011 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -4 predicate places. [2021-03-26 00:11:17,011 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:11:17,011 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 24 transitions, 140 flow [2021-03-26 00:11:17,012 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 24 transitions, 140 flow [2021-03-26 00:11:17,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 24 transitions, 140 flow [2021-03-26 00:11:17,017 INFO L129 PetriNetUnfolder]: 9/37 cut-off events. [2021-03-26 00:11:17,017 INFO L130 PetriNetUnfolder]: For 51/52 co-relation queries the response was YES. [2021-03-26 00:11:17,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 37 events. 9/37 cut-off events. For 51/52 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 83 event pairs, 1 based on Foata normal form. 1/37 useless extension candidates. Maximal degree in co-relation 105. Up to 12 conditions per place. [2021-03-26 00:11:17,018 INFO L142 LiptonReduction]: Number of co-enabled transitions 66 [2021-03-26 00:11:18,112 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 245 DAG size of output: 220 [2021-03-26 00:11:18,572 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-03-26 00:11:20,700 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 348 DAG size of output: 324 [2021-03-26 00:11:21,696 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2021-03-26 00:11:21,901 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-03-26 00:11:22,336 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 89 [2021-03-26 00:11:22,470 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-26 00:11:22,672 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-26 00:11:23,087 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-03-26 00:11:23,230 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-26 00:11:23,414 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-26 00:11:23,833 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-03-26 00:11:23,982 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-26 00:11:23,986 INFO L154 LiptonReduction]: Checked pairs total: 23 [2021-03-26 00:11:23,986 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 00:11:23,986 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6975 [2021-03-26 00:11:23,986 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 24 transitions, 156 flow [2021-03-26 00:11:23,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 129.0) internal successors, (903), 7 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:11:23,987 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:11:23,987 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:11:23,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 00:11:23,987 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:11:23,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:11:23,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1298857872, now seen corresponding path program 1 times [2021-03-26 00:11:23,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:11:23,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172369600] [2021-03-26 00:11:23,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:11:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:11:24,024 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:11:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:11:24,061 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:11:24,100 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 00:11:24,101 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 00:11:24,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 00:11:24,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 12:11:24 BasicIcfg [2021-03-26 00:11:24,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 00:11:24,201 INFO L168 Benchmark]: Toolchain (without parser) took 27826.50 ms. Allocated memory was 255.9 MB in the beginning and 811.6 MB in the end (delta: 555.7 MB). Free memory was 233.0 MB in the beginning and 772.1 MB in the end (delta: -539.1 MB). Peak memory consumption was 484.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:11:24,201 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:11:24,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.41 ms. Allocated memory was 255.9 MB in the beginning and 364.9 MB in the end (delta: 109.1 MB). Free memory was 233.0 MB in the beginning and 323.8 MB in the end (delta: -90.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-26 00:11:24,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.68 ms. Allocated memory is still 364.9 MB. Free memory was 323.8 MB in the beginning and 321.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:11:24,202 INFO L168 Benchmark]: Boogie Preprocessor took 40.97 ms. Allocated memory is still 364.9 MB. Free memory was 321.6 MB in the beginning and 319.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:11:24,202 INFO L168 Benchmark]: RCFGBuilder took 1691.08 ms. Allocated memory is still 364.9 MB. Free memory was 319.2 MB in the beginning and 259.6 MB in the end (delta: 59.6 MB). Peak memory consumption was 63.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:11:24,202 INFO L168 Benchmark]: TraceAbstraction took 25513.15 ms. Allocated memory was 364.9 MB in the beginning and 811.6 MB in the end (delta: 446.7 MB). Free memory was 259.6 MB in the beginning and 772.1 MB in the end (delta: -512.5 MB). Peak memory consumption was 401.8 MB. Max. memory is 16.0 GB. [2021-03-26 00:11:24,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 527.41 ms. Allocated memory was 255.9 MB in the beginning and 364.9 MB in the end (delta: 109.1 MB). Free memory was 233.0 MB in the beginning and 323.8 MB in the end (delta: -90.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 39.68 ms. Allocated memory is still 364.9 MB. Free memory was 323.8 MB in the beginning and 321.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.97 ms. Allocated memory is still 364.9 MB. Free memory was 321.6 MB in the beginning and 319.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1691.08 ms. Allocated memory is still 364.9 MB. Free memory was 319.2 MB in the beginning and 259.6 MB in the end (delta: 59.6 MB). Peak memory consumption was 63.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 25513.15 ms. Allocated memory was 364.9 MB in the beginning and 811.6 MB in the end (delta: 446.7 MB). Free memory was 259.6 MB in the beginning and 772.1 MB in the end (delta: -512.5 MB). Peak memory consumption was 401.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2975.8ms, 105 PlacesBefore, 50 PlacesAfterwards, 97 TransitionsBefore, 41 TransitionsAfterwards, 1778 CoEnabledTransitionPairs, 4 FixpointIterations, 27 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 64 TotalNumberOfCompositions, 3086 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1597, positive: 1518, positive conditional: 1518, positive unconditional: 0, negative: 79, negative conditional: 79, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1246, positive: 1206, positive conditional: 0, positive unconditional: 1206, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1246, positive: 1206, positive conditional: 0, positive unconditional: 1206, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1246, positive: 1200, positive conditional: 0, positive unconditional: 1200, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 597, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 565, negative conditional: 0, negative unconditional: 565, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1597, positive: 312, positive conditional: 312, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 1246, unknown conditional: 1246, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 81, Positive conditional cache size: 81, Positive unconditional cache size: 0, Negative cache size: 26, Negative conditional cache size: 26, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1807.4ms, 47 PlacesBefore, 34 PlacesAfterwards, 38 TransitionsBefore, 25 TransitionsAfterwards, 394 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 1610 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 506, positive: 405, positive conditional: 405, positive unconditional: 0, negative: 101, negative conditional: 101, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 168, positive: 140, positive conditional: 11, positive unconditional: 129, negative: 28, negative conditional: 2, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 168, positive: 140, positive conditional: 11, positive unconditional: 129, negative: 28, negative conditional: 2, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 168, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 28, negative conditional: 2, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 408, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 359, negative conditional: 33, negative unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 506, positive: 265, positive conditional: 265, positive unconditional: 0, negative: 73, negative conditional: 73, negative unconditional: 0, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 143, Positive cache size: 111, Positive conditional cache size: 111, Positive unconditional cache size: 0, Negative cache size: 32, Negative conditional cache size: 32, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1513.1ms, 40 PlacesBefore, 35 PlacesAfterwards, 29 TransitionsBefore, 27 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 813 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 244, positive: 196, positive conditional: 196, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 29, positive conditional: 5, positive unconditional: 24, negative: 7, negative conditional: 6, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 29, positive conditional: 5, positive unconditional: 24, negative: 7, negative conditional: 6, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 6, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 276, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 276, negative conditional: 273, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 244, positive: 167, positive conditional: 167, positive unconditional: 0, negative: 41, negative conditional: 41, negative unconditional: 0, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 179, Positive cache size: 140, Positive conditional cache size: 140, Positive unconditional cache size: 0, Negative cache size: 39, Negative conditional cache size: 39, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 250.6ms, 37 PlacesBefore, 37 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 319 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 228, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 228, negative conditional: 0, negative unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 204, Positive cache size: 158, Positive conditional cache size: 158, Positive unconditional cache size: 0, Negative cache size: 46, Negative conditional cache size: 46, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 229.4ms, 43 PlacesBefore, 43 PlacesAfterwards, 36 TransitionsBefore, 35 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 719 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 20, positive conditional: 19, positive unconditional: 1, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 20, positive conditional: 19, positive unconditional: 1, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 70, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 159, Positive conditional cache size: 159, Positive unconditional cache size: 0, Negative cache size: 50, Negative conditional cache size: 50, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 88.9ms, 47 PlacesBefore, 47 PlacesAfterwards, 39 TransitionsBefore, 38 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 751 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, positive: 18, positive conditional: 18, positive unconditional: 0, 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: 20, positive: 18, positive conditional: 0, positive unconditional: 18, 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: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 211, Positive cache size: 159, Positive conditional cache size: 159, Positive unconditional cache size: 0, Negative cache size: 52, Negative conditional cache size: 52, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1062.5ms, 50 PlacesBefore, 46 PlacesAfterwards, 36 TransitionsBefore, 33 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 797 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 45, negative conditional: 45, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 14, 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: 14, positive: 14, positive conditional: 0, positive unconditional: 14, 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: 68, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 45, negative conditional: 45, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 135, Positive conditional cache size: 135, Positive unconditional cache size: 0, Negative cache size: 30, Negative conditional cache size: 30, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.5ms, 46 PlacesBefore, 44 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 190 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 440 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 50, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 1, negative conditional: 1, negative unconditional: 0, 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: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 50, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 122, Positive conditional cache size: 122, Positive unconditional cache size: 0, Negative cache size: 31, Negative conditional cache size: 31, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 194.5ms, 48 PlacesBefore, 45 PlacesAfterwards, 37 TransitionsBefore, 36 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 34 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 8, positive unconditional: 7, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 8, positive unconditional: 7, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 76, Positive conditional cache size: 76, Positive unconditional cache size: 0, Negative cache size: 24, Negative conditional cache size: 24, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.7ms, 49 PlacesBefore, 49 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 77, Positive conditional cache size: 77, Positive unconditional cache size: 0, Negative cache size: 25, Negative conditional cache size: 25, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7276.8ms, 50 PlacesBefore, 46 PlacesAfterwards, 28 TransitionsBefore, 26 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 43 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 35, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, positive: 24, positive conditional: 24, positive unconditional: 0, 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: 25, positive: 24, positive conditional: 0, positive unconditional: 24, 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: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 30, Positive conditional cache size: 30, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6974.1ms, 46 PlacesBefore, 44 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 23 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 12, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 12, 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: 14, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 29, Positive conditional cache size: 29, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 4, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L723] 0 int z = 0; [L724] 0 _Bool z$flush_delayed; [L725] 0 int z$mem_tmp; [L726] 0 _Bool z$r_buff0_thd0; [L727] 0 _Bool z$r_buff0_thd1; [L728] 0 _Bool z$r_buff0_thd2; [L729] 0 _Bool z$r_buff0_thd3; [L730] 0 _Bool z$r_buff1_thd0; [L731] 0 _Bool z$r_buff1_thd1; [L732] 0 _Bool z$r_buff1_thd2; [L733] 0 _Bool z$r_buff1_thd3; [L734] 0 _Bool z$read_delayed; [L735] 0 int *z$read_delayed_var; [L736] 0 int z$w_buff0; [L737] 0 _Bool z$w_buff0_used; [L738] 0 int z$w_buff1; [L739] 0 _Bool z$w_buff1_used; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L838] 0 pthread_t t660; [L839] FCALL, FORK 0 pthread_create(&t660, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L745] 1 z$w_buff1 = z$w_buff0 [L746] 1 z$w_buff0 = 1 [L747] 1 z$w_buff1_used = z$w_buff0_used [L748] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L750] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L751] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L752] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L753] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L754] 1 z$r_buff0_thd1 = (_Bool)1 [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t661; [L841] FCALL, FORK 0 pthread_create(&t661, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 2 x = 1 [L777] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L781] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L781] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L782] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L782] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L783] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L783] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L784] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L784] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L842] 0 pthread_t t662; [L843] FCALL, FORK 0 pthread_create(&t662, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L794] 3 y = 2 [L797] 3 __unbuffered_p2_EAX = y [L800] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 3 z$flush_delayed = weak$$choice2 [L803] 3 z$mem_tmp = z [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L804] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L805] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L805] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L806] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L806] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L807] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L807] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L808] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L809] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L810] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 __unbuffered_p2_EBX = z [L812] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L812] 3 z = z$flush_delayed ? z$mem_tmp : z [L813] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L816] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L816] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L817] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L818] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L818] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L819] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L819] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L820] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L820] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L760] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L761] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L762] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L763] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L763] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L764] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L764] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L823] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L825] 3 return 0; [L845] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L850] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L851] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L852] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L852] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L853] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L853] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L856] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 25273.5ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1043.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3044.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 70 SDtfs, 32 SDslu, 39 SDs, 0 SdLazy, 245 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 337.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 354.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=241occurred in iteration=9, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 52.6ms SsaConstructionTime, 525.4ms SatisfiabilityAnalysisTime, 834.7ms InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 1216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...