/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 06:26:53,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 06:26:53,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 06:26:53,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 06:26:53,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 06:26:53,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 06:26:53,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 06:26:53,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 06:26:53,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 06:26:53,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 06:26:53,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 06:26:53,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 06:26:53,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 06:26:53,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 06:26:53,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 06:26:53,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 06:26:53,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 06:26:53,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 06:26:53,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 06:26:53,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 06:26:53,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 06:26:53,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 06:26:53,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 06:26:53,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 06:26:53,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 06:26:53,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 06:26:53,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 06:26:53,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 06:26:53,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 06:26:53,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 06:26:53,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 06:26:53,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 06:26:53,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 06:26:53,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 06:26:53,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 06:26:53,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 06:26:53,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 06:26:53,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 06:26:53,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 06:26:53,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 06:26:53,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 06:26:53,822 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-RepeatedSemanticLbe.epf [2021-06-11 06:26:53,865 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 06:26:53,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 06:26:53,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 06:26:53,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 06:26:53,868 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 06:26:53,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 06:26:53,869 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 06:26:53,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 06:26:53,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 06:26:53,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 06:26:53,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 06:26:53,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 06:26:53,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 06:26:53,870 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 06:26:53,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 06:26:53,871 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 06:26:53,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 06:26:53,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 06:26:53,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 06:26:53,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 06:26:53,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 06:26:53,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:26:53,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 06:26:53,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 06:26:53,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 06:26:53,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 06:26:53,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 06:26:53,872 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 06:26:53,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 06:26:53,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 06:26:54,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 06:26:54,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 06:26:54,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 06:26:54,201 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 06:26:54,201 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 06:26:54,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_rmo.oepc.i [2021-06-11 06:26:54,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/251114009/24cf4f63ee2f44e6927b7794b7ad1b6e/FLAG638e22efe [2021-06-11 06:26:54,812 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 06:26:54,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_rmo.oepc.i [2021-06-11 06:26:54,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/251114009/24cf4f63ee2f44e6927b7794b7ad1b6e/FLAG638e22efe [2021-06-11 06:26:55,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/251114009/24cf4f63ee2f44e6927b7794b7ad1b6e [2021-06-11 06:26:55,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 06:26:55,289 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 06:26:55,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 06:26:55,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 06:26:55,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 06:26:55,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:26:55" (1/1) ... [2021-06-11 06:26:55,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca0466d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55, skipping insertion in model container [2021-06-11 06:26:55,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:26:55" (1/1) ... [2021-06-11 06:26:55,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 06:26:55,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 06:26:55,477 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/rfi002_rmo.oepc.i[992,1005] [2021-06-11 06:26:55,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:26:55,668 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 06:26:55,678 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/rfi002_rmo.oepc.i[992,1005] [2021-06-11 06:26:55,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:26:55,834 INFO L208 MainTranslator]: Completed translation [2021-06-11 06:26:55,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55 WrapperNode [2021-06-11 06:26:55,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 06:26:55,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 06:26:55,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 06:26:55,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 06:26:55,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55" (1/1) ... [2021-06-11 06:26:55,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55" (1/1) ... [2021-06-11 06:26:55,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 06:26:55,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 06:26:55,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 06:26:55,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 06:26:55,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55" (1/1) ... [2021-06-11 06:26:55,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55" (1/1) ... [2021-06-11 06:26:55,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55" (1/1) ... [2021-06-11 06:26:55,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55" (1/1) ... [2021-06-11 06:26:55,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55" (1/1) ... [2021-06-11 06:26:55,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55" (1/1) ... [2021-06-11 06:26:55,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55" (1/1) ... [2021-06-11 06:26:55,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 06:26:55,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 06:26:55,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 06:26:55,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 06:26:55,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55" (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 [2021-06-11 06:26:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 06:26:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 06:26:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 06:26:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 06:26:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 06:26:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 06:26:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 06:26:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 06:26:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 06:26:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 06:26:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 06:26:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 06:26:56,057 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 06:26:58,954 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 06:26:58,955 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 06:26:58,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:26:58 BoogieIcfgContainer [2021-06-11 06:26:58,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 06:26:58,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 06:26:58,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 06:26:58,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 06:26:58,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:26:55" (1/3) ... [2021-06-11 06:26:58,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1b4e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:26:58, skipping insertion in model container [2021-06-11 06:26:58,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:26:55" (2/3) ... [2021-06-11 06:26:58,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1b4e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:26:58, skipping insertion in model container [2021-06-11 06:26:58,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:26:58" (3/3) ... [2021-06-11 06:26:58,962 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_rmo.oepc.i [2021-06-11 06:26:58,968 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 06:26:58,972 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 06:26:58,972 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 06:26:59,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,018 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,018 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,018 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,019 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,049 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,049 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,050 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,050 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,080 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,087 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,087 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,088 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:26:59,090 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 06:26:59,106 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-11 06:26:59,136 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 06:26:59,136 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 06:26:59,136 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 06:26:59,136 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 06:26:59,136 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 06:26:59,136 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 06:26:59,136 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 06:26:59,136 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 06:26:59,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow [2021-06-11 06:26:59,185 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-06-11 06:26:59,185 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:26:59,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-06-11 06:26:59,199 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow [2021-06-11 06:26:59,202 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 83 transitions, 172 flow [2021-06-11 06:26:59,203 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:26:59,222 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 83 transitions, 172 flow [2021-06-11 06:26:59,226 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 83 transitions, 172 flow [2021-06-11 06:26:59,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 172 flow [2021-06-11 06:26:59,242 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-06-11 06:26:59,242 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:26:59,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-06-11 06:26:59,247 INFO L151 LiptonReduction]: Number of co-enabled transitions 1124 [2021-06-11 06:26:59,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:26:59,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:26:59,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:26:59,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:26:59,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:27:00,454 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-06-11 06:27:01,083 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-06-11 06:27:02,554 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-06-11 06:27:03,116 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-06-11 06:27:03,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:03,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:03,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:03,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:03,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:03,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:03,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:03,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:03,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:03,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:03,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:03,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:03,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:03,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:03,393 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-06-11 06:27:03,811 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-06-11 06:27:03,938 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-11 06:27:03,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:03,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:03,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:03,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 06:27:03,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:03,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:03,970 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-06-11 06:27:03,971 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:27:03,998 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,005 INFO L147 QuantifierPusher]: treesize reduction 39, result has 69.0 percent of original size 87 [2021-06-11 06:27:04,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:04,008 INFO L142 QuantifierPusher]: treesize reduction 39, result has 75.6 percent of original size [2021-06-11 06:27:04,009 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 4, 2, 1] term [2021-06-11 06:27:04,009 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:27:04,011 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,014 INFO L147 QuantifierPusher]: treesize reduction 100, result has 38.7 percent of original size 63 [2021-06-11 06:27:04,015 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 4, 2, 1] term [2021-06-11 06:27:04,015 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:27:04,017 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,024 INFO L147 QuantifierPusher]: treesize reduction 189, result has 28.4 percent of original size 75 [2021-06-11 06:27:04,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:04,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:04,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:27:04,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,512 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:27:04,513 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:27:04,514 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:04,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:04,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:27:04,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:04,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:04,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:04,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:04,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 06:27:05,356 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-06-11 06:27:05,665 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-06-11 06:27:06,319 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-06-11 06:27:06,901 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-06-11 06:27:06,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:06,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:06,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:06,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:07,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:07,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:07,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:07,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:07,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:07,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:07,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:07,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:07,432 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-11 06:27:07,558 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-11 06:27:07,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:07,581 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 06:27:07,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:07,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:07,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:07,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:07,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:07,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:07,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:07,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:07,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:07,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:07,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:07,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:08,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:08,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:08,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:08,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:08,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:27:08,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:08,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:08,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:08,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:08,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:08,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:08,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:08,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:08,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:08,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:08,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:08,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:08,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:08,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:27:08,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:27:08,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:08,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:08,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:08,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:08,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 06:27:08,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 06:27:08,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:08,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:08,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 06:27:08,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 06:27:09,005 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-06-11 06:27:09,322 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-06-11 06:27:09,984 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-06-11 06:27:10,627 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-06-11 06:27:10,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:10,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:10,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:10,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:10,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:10,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:10,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:10,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:10,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:27:10,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:10,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:11,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:11,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:11,527 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-06-11 06:27:11,886 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-06-11 06:27:12,622 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-06-11 06:27:13,325 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-06-11 06:27:13,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:13,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:13,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:13,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:13,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:13,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:13,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:27:14,311 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2021-06-11 06:27:14,666 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2021-06-11 06:27:15,369 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2021-06-11 06:27:16,030 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2021-06-11 06:27:16,654 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-06-11 06:27:16,787 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-06-11 06:27:17,079 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-06-11 06:27:17,246 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-06-11 06:27:17,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:17,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:17,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:17,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:17,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:27:17,318 INFO L163 LiptonReduction]: Checked pairs total: 3163 [2021-06-11 06:27:17,319 INFO L165 LiptonReduction]: Total number of compositions: 78 [2021-06-11 06:27:17,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18119 [2021-06-11 06:27:17,335 INFO L129 PetriNetUnfolder]: 0/6 cut-off events. [2021-06-11 06:27:17,335 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:27:17,335 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:17,336 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-11 06:27:17,336 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:17,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:17,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1603677855, now seen corresponding path program 1 times [2021-06-11 06:27:17,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:17,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918274395] [2021-06-11 06:27:17,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:17,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:17,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:27:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:17,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918274395] [2021-06-11 06:27:17,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:17,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:27:17,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143838647] [2021-06-11 06:27:17,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:27:17,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:17,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:27:17,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:27:17,543 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 163 [2021-06-11 06:27:17,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 23 transitions, 52 flow. Second operand has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:17,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:17,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 163 [2021-06-11 06:27:17,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:17,680 INFO L129 PetriNetUnfolder]: 81/173 cut-off events. [2021-06-11 06:27:17,680 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:27:17,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 173 events. 81/173 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 690 event pairs, 33 based on Foata normal form. 15/168 useless extension candidates. Maximal degree in co-relation 317. Up to 121 conditions per place. [2021-06-11 06:27:17,683 INFO L132 encePairwiseOnDemand]: 157/163 looper letters, 12 selfloop transitions, 2 changer transitions 2/25 dead transitions. [2021-06-11 06:27:17,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 25 transitions, 88 flow [2021-06-11 06:27:17,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:27:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:27:17,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2021-06-11 06:27:17,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8077709611451943 [2021-06-11 06:27:17,701 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 395 transitions. [2021-06-11 06:27:17,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 395 transitions. [2021-06-11 06:27:17,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:17,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 395 transitions. [2021-06-11 06:27:17,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:17,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:17,715 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:17,717 INFO L185 Difference]: Start difference. First operand has 28 places, 23 transitions, 52 flow. Second operand 3 states and 395 transitions. [2021-06-11 06:27:17,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 25 transitions, 88 flow [2021-06-11 06:27:17,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 25 transitions, 86 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:27:17,721 INFO L241 Difference]: Finished difference. Result has 26 places, 18 transitions, 44 flow [2021-06-11 06:27:17,723 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=44, PETRI_PLACES=26, PETRI_TRANSITIONS=18} [2021-06-11 06:27:17,723 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, -2 predicate places. [2021-06-11 06:27:17,723 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:17,723 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 18 transitions, 44 flow [2021-06-11 06:27:17,724 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 18 transitions, 44 flow [2021-06-11 06:27:17,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 18 transitions, 44 flow [2021-06-11 06:27:17,730 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-06-11 06:27:17,730 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:27:17,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 18 events. 0/18 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 29 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 06:27:17,731 INFO L151 LiptonReduction]: Number of co-enabled transitions 150 [2021-06-11 06:27:17,920 INFO L163 LiptonReduction]: Checked pairs total: 182 [2021-06-11 06:27:17,920 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:17,920 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 197 [2021-06-11 06:27:17,921 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 18 transitions, 44 flow [2021-06-11 06:27:17,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:17,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:17,921 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:17,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 06:27:17,921 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:17,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:17,922 INFO L82 PathProgramCache]: Analyzing trace with hash -758763702, now seen corresponding path program 1 times [2021-06-11 06:27:17,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:17,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123287238] [2021-06-11 06:27:17,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:18,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:18,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:27:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:18,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123287238] [2021-06-11 06:27:18,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:18,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:27:18,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992434807] [2021-06-11 06:27:18,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:27:18,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:18,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:27:18,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:27:18,021 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 163 [2021-06-11 06:27:18,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 18 transitions, 44 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:18,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 163 [2021-06-11 06:27:18,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:18,035 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-06-11 06:27:18,035 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:27:18,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 18 events. 0/18 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 27 event pairs, 0 based on Foata normal form. 1/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 06:27:18,036 INFO L132 encePairwiseOnDemand]: 160/163 looper letters, 1 selfloop transitions, 2 changer transitions 1/18 dead transitions. [2021-06-11 06:27:18,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 18 transitions, 50 flow [2021-06-11 06:27:18,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:27:18,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:27:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 412 transitions. [2021-06-11 06:27:18,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8425357873210634 [2021-06-11 06:27:18,038 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 412 transitions. [2021-06-11 06:27:18,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 412 transitions. [2021-06-11 06:27:18,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:18,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 412 transitions. [2021-06-11 06:27:18,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,043 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,043 INFO L185 Difference]: Start difference. First operand has 25 places, 18 transitions, 44 flow. Second operand 3 states and 412 transitions. [2021-06-11 06:27:18,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 18 transitions, 50 flow [2021-06-11 06:27:18,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 18 transitions, 46 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:27:18,044 INFO L241 Difference]: Finished difference. Result has 26 places, 17 transitions, 46 flow [2021-06-11 06:27:18,044 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=26, PETRI_TRANSITIONS=17} [2021-06-11 06:27:18,044 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, -2 predicate places. [2021-06-11 06:27:18,044 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:18,044 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 17 transitions, 46 flow [2021-06-11 06:27:18,045 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 17 transitions, 46 flow [2021-06-11 06:27:18,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 17 transitions, 46 flow [2021-06-11 06:27:18,049 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-06-11 06:27:18,049 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:27:18,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 17 events. 0/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 06:27:18,049 INFO L151 LiptonReduction]: Number of co-enabled transitions 124 [2021-06-11 06:27:18,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:18,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:27:18,239 INFO L163 LiptonReduction]: Checked pairs total: 275 [2021-06-11 06:27:18,240 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 06:27:18,240 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 196 [2021-06-11 06:27:18,241 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 16 transitions, 44 flow [2021-06-11 06:27:18,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,241 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:18,241 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:18,241 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 06:27:18,241 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:18,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:18,242 INFO L82 PathProgramCache]: Analyzing trace with hash 83666984, now seen corresponding path program 1 times [2021-06-11 06:27:18,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:18,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417060753] [2021-06-11 06:27:18,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:18,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:18,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:27:18,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:18,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417060753] [2021-06-11 06:27:18,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:18,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:27:18,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205985772] [2021-06-11 06:27:18,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:27:18,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:18,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:27:18,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:27:18,443 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 164 [2021-06-11 06:27:18,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 16 transitions, 44 flow. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:18,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 164 [2021-06-11 06:27:18,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:18,456 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-06-11 06:27:18,456 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 06:27:18,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 16 events. 0/16 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 1/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 06:27:18,457 INFO L132 encePairwiseOnDemand]: 161/164 looper letters, 1 selfloop transitions, 2 changer transitions 0/16 dead transitions. [2021-06-11 06:27:18,457 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 16 transitions, 50 flow [2021-06-11 06:27:18,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:27:18,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:27:18,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions. [2021-06-11 06:27:18,459 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8313008130081301 [2021-06-11 06:27:18,459 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 409 transitions. [2021-06-11 06:27:18,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 409 transitions. [2021-06-11 06:27:18,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:18,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 409 transitions. [2021-06-11 06:27:18,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,462 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) [2021-06-11 06:27:18,462 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) [2021-06-11 06:27:18,462 INFO L185 Difference]: Start difference. First operand has 24 places, 16 transitions, 44 flow. Second operand 3 states and 409 transitions. [2021-06-11 06:27:18,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 16 transitions, 50 flow [2021-06-11 06:27:18,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 16 transitions, 46 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:27:18,463 INFO L241 Difference]: Finished difference. Result has 25 places, 16 transitions, 48 flow [2021-06-11 06:27:18,463 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=25, PETRI_TRANSITIONS=16} [2021-06-11 06:27:18,464 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, -3 predicate places. [2021-06-11 06:27:18,464 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:18,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 16 transitions, 48 flow [2021-06-11 06:27:18,464 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 16 transitions, 48 flow [2021-06-11 06:27:18,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 16 transitions, 48 flow [2021-06-11 06:27:18,468 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-06-11 06:27:18,469 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-11 06:27:18,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 16 events. 0/16 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 06:27:18,469 INFO L151 LiptonReduction]: Number of co-enabled transitions 106 [2021-06-11 06:27:18,507 INFO L163 LiptonReduction]: Checked pairs total: 109 [2021-06-11 06:27:18,507 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:18,507 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-06-11 06:27:18,508 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 16 transitions, 48 flow [2021-06-11 06:27:18,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,508 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:18,509 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:18,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 06:27:18,509 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:18,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:18,509 INFO L82 PathProgramCache]: Analyzing trace with hash -2061721962, now seen corresponding path program 1 times [2021-06-11 06:27:18,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:18,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743487390] [2021-06-11 06:27:18,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:18,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:18,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:27:18,658 INFO L142 QuantifierPusher]: treesize reduction 29, result has 51.7 percent of original size [2021-06-11 06:27:18,660 INFO L147 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size 23 [2021-06-11 06:27:18,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:18,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:27:18,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:18,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:27:18,687 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-06-11 06:27:18,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 06:27:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:18,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743487390] [2021-06-11 06:27:18,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:18,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:27:18,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196894527] [2021-06-11 06:27:18,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:27:18,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:18,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:27:18,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:27:18,705 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 164 [2021-06-11 06:27:18,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 16 transitions, 48 flow. Second operand has 6 states, 6 states have (on average 106.16666666666667) internal successors, (637), 6 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:18,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 164 [2021-06-11 06:27:18,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:18,847 INFO L129 PetriNetUnfolder]: 54/119 cut-off events. [2021-06-11 06:27:18,847 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-06-11 06:27:18,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 119 events. 54/119 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 438 event pairs, 6 based on Foata normal form. 1/118 useless extension candidates. Maximal degree in co-relation 263. Up to 83 conditions per place. [2021-06-11 06:27:18,848 INFO L132 encePairwiseOnDemand]: 156/164 looper letters, 13 selfloop transitions, 11 changer transitions 0/30 dead transitions. [2021-06-11 06:27:18,848 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 30 transitions, 131 flow [2021-06-11 06:27:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:27:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:27:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 655 transitions. [2021-06-11 06:27:18,852 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.665650406504065 [2021-06-11 06:27:18,852 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 655 transitions. [2021-06-11 06:27:18,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 655 transitions. [2021-06-11 06:27:18,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:18,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 655 transitions. [2021-06-11 06:27:18,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 109.16666666666667) internal successors, (655), 6 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,856 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,856 INFO L185 Difference]: Start difference. First operand has 25 places, 16 transitions, 48 flow. Second operand 6 states and 655 transitions. [2021-06-11 06:27:18,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 30 transitions, 131 flow [2021-06-11 06:27:18,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 30 transitions, 123 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:27:18,857 INFO L241 Difference]: Finished difference. Result has 31 places, 25 transitions, 115 flow [2021-06-11 06:27:18,858 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=115, PETRI_PLACES=31, PETRI_TRANSITIONS=25} [2021-06-11 06:27:18,858 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 3 predicate places. [2021-06-11 06:27:18,858 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:18,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 25 transitions, 115 flow [2021-06-11 06:27:18,858 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 25 transitions, 115 flow [2021-06-11 06:27:18,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 25 transitions, 115 flow [2021-06-11 06:27:18,876 INFO L129 PetriNetUnfolder]: 22/62 cut-off events. [2021-06-11 06:27:18,877 INFO L130 PetriNetUnfolder]: For 36/37 co-relation queries the response was YES. [2021-06-11 06:27:18,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 62 events. 22/62 cut-off events. For 36/37 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 208 event pairs, 5 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 157. Up to 28 conditions per place. [2021-06-11 06:27:18,881 INFO L151 LiptonReduction]: Number of co-enabled transitions 118 [2021-06-11 06:27:18,884 INFO L163 LiptonReduction]: Checked pairs total: 66 [2021-06-11 06:27:18,884 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:18,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-06-11 06:27:18,886 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 25 transitions, 115 flow [2021-06-11 06:27:18,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 106.16666666666667) internal successors, (637), 6 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:18,886 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:18,886 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:18,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 06:27:18,887 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:18,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:18,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1784766468, now seen corresponding path program 2 times [2021-06-11 06:27:18,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:18,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102415695] [2021-06-11 06:27:18,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:19,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 06:27:19,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:19,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:27:19,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:19,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 06:27:19,073 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.0 percent of original size [2021-06-11 06:27:19,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 06:27:19,097 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-11 06:27:19,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 06:27:19,109 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-06-11 06:27:19,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:27:19,123 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-06-11 06:27:19,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:27:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:19,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102415695] [2021-06-11 06:27:19,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:19,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 06:27:19,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346007968] [2021-06-11 06:27:19,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 06:27:19,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:19,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 06:27:19,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-06-11 06:27:19,137 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 164 [2021-06-11 06:27:19,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 25 transitions, 115 flow. Second operand has 9 states, 9 states have (on average 95.88888888888889) internal successors, (863), 9 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:19,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:19,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 164 [2021-06-11 06:27:19,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:19,403 INFO L129 PetriNetUnfolder]: 154/273 cut-off events. [2021-06-11 06:27:19,403 INFO L130 PetriNetUnfolder]: For 192/195 co-relation queries the response was YES. [2021-06-11 06:27:19,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 826 conditions, 273 events. 154/273 cut-off events. For 192/195 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 975 event pairs, 12 based on Foata normal form. 4/276 useless extension candidates. Maximal degree in co-relation 812. Up to 205 conditions per place. [2021-06-11 06:27:19,405 INFO L132 encePairwiseOnDemand]: 155/164 looper letters, 25 selfloop transitions, 15 changer transitions 0/43 dead transitions. [2021-06-11 06:27:19,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 43 transitions, 260 flow [2021-06-11 06:27:19,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:27:19,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:27:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 605 transitions. [2021-06-11 06:27:19,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6148373983739838 [2021-06-11 06:27:19,408 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 605 transitions. [2021-06-11 06:27:19,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 605 transitions. [2021-06-11 06:27:19,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:19,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 605 transitions. [2021-06-11 06:27:19,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 100.83333333333333) internal successors, (605), 6 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:19,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:19,413 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:19,413 INFO L185 Difference]: Start difference. First operand has 31 places, 25 transitions, 115 flow. Second operand 6 states and 605 transitions. [2021-06-11 06:27:19,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 43 transitions, 260 flow [2021-06-11 06:27:19,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 43 transitions, 260 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 06:27:19,416 INFO L241 Difference]: Finished difference. Result has 38 places, 33 transitions, 208 flow [2021-06-11 06:27:19,416 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=208, PETRI_PLACES=38, PETRI_TRANSITIONS=33} [2021-06-11 06:27:19,416 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 10 predicate places. [2021-06-11 06:27:19,416 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:19,417 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 33 transitions, 208 flow [2021-06-11 06:27:19,417 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 33 transitions, 208 flow [2021-06-11 06:27:19,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 208 flow [2021-06-11 06:27:19,432 INFO L129 PetriNetUnfolder]: 28/81 cut-off events. [2021-06-11 06:27:19,432 INFO L130 PetriNetUnfolder]: For 81/84 co-relation queries the response was YES. [2021-06-11 06:27:19,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 81 events. 28/81 cut-off events. For 81/84 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 300 event pairs, 7 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 268. Up to 35 conditions per place. [2021-06-11 06:27:19,433 INFO L151 LiptonReduction]: Number of co-enabled transitions 138 [2021-06-11 06:27:19,436 INFO L163 LiptonReduction]: Checked pairs total: 64 [2021-06-11 06:27:19,436 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:19,436 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 06:27:19,437 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 33 transitions, 208 flow [2021-06-11 06:27:19,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 95.88888888888889) internal successors, (863), 9 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:19,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:19,438 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:19,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 06:27:19,438 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:19,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:19,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1786730628, now seen corresponding path program 3 times [2021-06-11 06:27:19,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:19,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891695484] [2021-06-11 06:27:19,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:19,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:19,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:27:19,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:19,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 06:27:19,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:19,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 06:27:19,548 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-06-11 06:27:19,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:27:19,560 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-06-11 06:27:19,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 06:27:19,569 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-06-11 06:27:19,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 06:27:19,581 INFO L142 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-06-11 06:27:19,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 06:27:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:19,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891695484] [2021-06-11 06:27:19,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:19,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 06:27:19,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003612038] [2021-06-11 06:27:19,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 06:27:19,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:19,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 06:27:19,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-11 06:27:19,598 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 164 [2021-06-11 06:27:19,599 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 33 transitions, 208 flow. Second operand has 9 states, 9 states have (on average 94.88888888888889) internal successors, (854), 9 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:19,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:19,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 164 [2021-06-11 06:27:19,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:19,931 INFO L129 PetriNetUnfolder]: 159/281 cut-off events. [2021-06-11 06:27:19,932 INFO L130 PetriNetUnfolder]: For 376/386 co-relation queries the response was YES. [2021-06-11 06:27:19,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1051 conditions, 281 events. 159/281 cut-off events. For 376/386 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1016 event pairs, 12 based on Foata normal form. 4/284 useless extension candidates. Maximal degree in co-relation 1033. Up to 208 conditions per place. [2021-06-11 06:27:19,934 INFO L132 encePairwiseOnDemand]: 155/164 looper letters, 27 selfloop transitions, 17 changer transitions 0/47 dead transitions. [2021-06-11 06:27:19,934 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 47 transitions, 352 flow [2021-06-11 06:27:19,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:27:19,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:27:19,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 697 transitions. [2021-06-11 06:27:19,937 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6071428571428571 [2021-06-11 06:27:19,937 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 697 transitions. [2021-06-11 06:27:19,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 697 transitions. [2021-06-11 06:27:19,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:19,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 697 transitions. [2021-06-11 06:27:19,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 99.57142857142857) internal successors, (697), 7 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:19,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 164.0) internal successors, (1312), 8 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:19,942 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 164.0) internal successors, (1312), 8 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:19,942 INFO L185 Difference]: Start difference. First operand has 38 places, 33 transitions, 208 flow. Second operand 7 states and 697 transitions. [2021-06-11 06:27:19,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 47 transitions, 352 flow [2021-06-11 06:27:19,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 47 transitions, 338 flow, removed 7 selfloop flow, removed 0 redundant places. [2021-06-11 06:27:19,949 INFO L241 Difference]: Finished difference. Result has 45 places, 35 transitions, 253 flow [2021-06-11 06:27:19,949 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=253, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2021-06-11 06:27:19,950 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 17 predicate places. [2021-06-11 06:27:19,950 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:19,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 35 transitions, 253 flow [2021-06-11 06:27:19,950 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 35 transitions, 253 flow [2021-06-11 06:27:19,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 35 transitions, 253 flow [2021-06-11 06:27:19,967 INFO L129 PetriNetUnfolder]: 28/90 cut-off events. [2021-06-11 06:27:19,967 INFO L130 PetriNetUnfolder]: For 137/143 co-relation queries the response was YES. [2021-06-11 06:27:19,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 90 events. 28/90 cut-off events. For 137/143 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 348 event pairs, 5 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 323. Up to 41 conditions per place. [2021-06-11 06:27:19,968 INFO L151 LiptonReduction]: Number of co-enabled transitions 144 [2021-06-11 06:27:19,974 INFO L163 LiptonReduction]: Checked pairs total: 68 [2021-06-11 06:27:19,974 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:19,974 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-06-11 06:27:19,975 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 253 flow [2021-06-11 06:27:19,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 94.88888888888889) internal successors, (854), 9 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:19,976 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:19,976 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:19,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 06:27:19,976 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:19,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:19,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1698373138, now seen corresponding path program 4 times [2021-06-11 06:27:19,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:19,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632392844] [2021-06-11 06:27:19,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:20,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:20,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:27:20,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:20,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:27:20,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:20,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:20,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:20,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:27:20,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:20,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632392844] [2021-06-11 06:27:20,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:20,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:27:20,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111236399] [2021-06-11 06:27:20,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:27:20,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:20,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:27:20,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:27:20,089 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 164 [2021-06-11 06:27:20,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 253 flow. Second operand has 5 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:20,090 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:20,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 164 [2021-06-11 06:27:20,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:20,249 INFO L129 PetriNetUnfolder]: 66/145 cut-off events. [2021-06-11 06:27:20,249 INFO L130 PetriNetUnfolder]: For 250/254 co-relation queries the response was YES. [2021-06-11 06:27:20,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 145 events. 66/145 cut-off events. For 250/254 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 602 event pairs, 2 based on Foata normal form. 7/151 useless extension candidates. Maximal degree in co-relation 594. Up to 95 conditions per place. [2021-06-11 06:27:20,251 INFO L132 encePairwiseOnDemand]: 156/164 looper letters, 20 selfloop transitions, 16 changer transitions 0/43 dead transitions. [2021-06-11 06:27:20,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 43 transitions, 371 flow [2021-06-11 06:27:20,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:27:20,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:27:20,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 665 transitions. [2021-06-11 06:27:20,254 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6758130081300813 [2021-06-11 06:27:20,255 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 665 transitions. [2021-06-11 06:27:20,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 665 transitions. [2021-06-11 06:27:20,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:20,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 665 transitions. [2021-06-11 06:27:20,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 110.83333333333333) internal successors, (665), 6 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:20,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:20,258 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:20,258 INFO L185 Difference]: Start difference. First operand has 45 places, 35 transitions, 253 flow. Second operand 6 states and 665 transitions. [2021-06-11 06:27:20,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 43 transitions, 371 flow [2021-06-11 06:27:20,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 43 transitions, 334 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-06-11 06:27:20,262 INFO L241 Difference]: Finished difference. Result has 46 places, 39 transitions, 294 flow [2021-06-11 06:27:20,263 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=294, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2021-06-11 06:27:20,263 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 18 predicate places. [2021-06-11 06:27:20,263 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:20,263 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 39 transitions, 294 flow [2021-06-11 06:27:20,263 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 39 transitions, 294 flow [2021-06-11 06:27:20,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 39 transitions, 294 flow [2021-06-11 06:27:20,282 INFO L129 PetriNetUnfolder]: 37/93 cut-off events. [2021-06-11 06:27:20,283 INFO L130 PetriNetUnfolder]: For 203/206 co-relation queries the response was YES. [2021-06-11 06:27:20,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 93 events. 37/93 cut-off events. For 203/206 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 329 event pairs, 7 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 375. Up to 41 conditions per place. [2021-06-11 06:27:20,284 INFO L151 LiptonReduction]: Number of co-enabled transitions 154 [2021-06-11 06:27:20,287 INFO L163 LiptonReduction]: Checked pairs total: 60 [2021-06-11 06:27:20,287 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:20,287 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-06-11 06:27:20,288 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 294 flow [2021-06-11 06:27:20,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:20,288 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:20,288 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:20,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 06:27:20,289 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:20,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:20,289 INFO L82 PathProgramCache]: Analyzing trace with hash -506814933, now seen corresponding path program 1 times [2021-06-11 06:27:20,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:20,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045775161] [2021-06-11 06:27:20,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:20,396 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-11 06:27:20,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 06:27:20,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:20,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:27:20,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:20,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 06:27:20,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:20,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:27:20,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:20,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:27:20,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:20,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 06:27:20,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:20,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045775161] [2021-06-11 06:27:20,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:20,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:27:20,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192635593] [2021-06-11 06:27:20,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 06:27:20,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:20,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 06:27:20,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-11 06:27:20,470 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 164 [2021-06-11 06:27:20,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 294 flow. Second operand has 8 states, 8 states have (on average 89.125) internal successors, (713), 8 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:20,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:20,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 164 [2021-06-11 06:27:20,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:20,802 INFO L129 PetriNetUnfolder]: 221/405 cut-off events. [2021-06-11 06:27:20,802 INFO L130 PetriNetUnfolder]: For 918/922 co-relation queries the response was YES. [2021-06-11 06:27:20,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1632 conditions, 405 events. 221/405 cut-off events. For 918/922 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1693 event pairs, 26 based on Foata normal form. 13/417 useless extension candidates. Maximal degree in co-relation 1610. Up to 211 conditions per place. [2021-06-11 06:27:20,805 INFO L132 encePairwiseOnDemand]: 155/164 looper letters, 46 selfloop transitions, 24 changer transitions 5/78 dead transitions. [2021-06-11 06:27:20,805 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 78 transitions, 655 flow [2021-06-11 06:27:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 06:27:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 06:27:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 936 transitions. [2021-06-11 06:27:20,809 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5707317073170731 [2021-06-11 06:27:20,809 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 936 transitions. [2021-06-11 06:27:20,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 936 transitions. [2021-06-11 06:27:20,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:20,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 936 transitions. [2021-06-11 06:27:20,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.6) internal successors, (936), 10 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:20,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 164.0) internal successors, (1804), 11 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:20,815 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 164.0) internal successors, (1804), 11 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:20,815 INFO L185 Difference]: Start difference. First operand has 46 places, 39 transitions, 294 flow. Second operand 10 states and 936 transitions. [2021-06-11 06:27:20,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 78 transitions, 655 flow [2021-06-11 06:27:20,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 78 transitions, 617 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-06-11 06:27:20,822 INFO L241 Difference]: Finished difference. Result has 55 places, 51 transitions, 457 flow [2021-06-11 06:27:20,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=457, PETRI_PLACES=55, PETRI_TRANSITIONS=51} [2021-06-11 06:27:20,822 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 27 predicate places. [2021-06-11 06:27:20,822 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:20,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 51 transitions, 457 flow [2021-06-11 06:27:20,823 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 51 transitions, 457 flow [2021-06-11 06:27:20,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 51 transitions, 457 flow [2021-06-11 06:27:20,852 INFO L129 PetriNetUnfolder]: 54/144 cut-off events. [2021-06-11 06:27:20,852 INFO L130 PetriNetUnfolder]: For 483/498 co-relation queries the response was YES. [2021-06-11 06:27:20,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 144 events. 54/144 cut-off events. For 483/498 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 669 event pairs, 7 based on Foata normal form. 1/137 useless extension candidates. Maximal degree in co-relation 644. Up to 63 conditions per place. [2021-06-11 06:27:20,854 INFO L151 LiptonReduction]: Number of co-enabled transitions 162 [2021-06-11 06:27:20,860 INFO L163 LiptonReduction]: Checked pairs total: 132 [2021-06-11 06:27:20,860 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:20,860 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-06-11 06:27:20,863 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 51 transitions, 457 flow [2021-06-11 06:27:20,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 89.125) internal successors, (713), 8 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:20,864 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:20,865 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:20,865 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 06:27:20,865 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:20,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:20,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1382645607, now seen corresponding path program 2 times [2021-06-11 06:27:20,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:20,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671083215] [2021-06-11 06:27:20,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:20,955 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-11 06:27:20,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:20,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:20,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:27:20,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:20,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 06:27:20,984 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-06-11 06:27:20,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:27:20,995 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-06-11 06:27:20,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 06:27:21,004 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-06-11 06:27:21,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 06:27:21,014 INFO L142 QuantifierPusher]: treesize reduction 3, result has 83.3 percent of original size [2021-06-11 06:27:21,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 06:27:21,028 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-11 06:27:21,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 06:27:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:21,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671083215] [2021-06-11 06:27:21,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:21,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-11 06:27:21,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466967315] [2021-06-11 06:27:21,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 06:27:21,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:21,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 06:27:21,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-11 06:27:21,047 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 164 [2021-06-11 06:27:21,048 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 51 transitions, 457 flow. Second operand has 10 states, 10 states have (on average 93.9) internal successors, (939), 10 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:21,048 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:21,048 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 164 [2021-06-11 06:27:21,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:21,343 INFO L129 PetriNetUnfolder]: 212/383 cut-off events. [2021-06-11 06:27:21,343 INFO L130 PetriNetUnfolder]: For 1091/1093 co-relation queries the response was YES. [2021-06-11 06:27:21,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1788 conditions, 383 events. 212/383 cut-off events. For 1091/1093 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1566 event pairs, 24 based on Foata normal form. 5/388 useless extension candidates. Maximal degree in co-relation 1763. Up to 266 conditions per place. [2021-06-11 06:27:21,347 INFO L132 encePairwiseOnDemand]: 154/164 looper letters, 40 selfloop transitions, 33 changer transitions 0/76 dead transitions. [2021-06-11 06:27:21,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 76 transitions, 749 flow [2021-06-11 06:27:21,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 06:27:21,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 06:27:21,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 792 transitions. [2021-06-11 06:27:21,350 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6036585365853658 [2021-06-11 06:27:21,350 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 792 transitions. [2021-06-11 06:27:21,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 792 transitions. [2021-06-11 06:27:21,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:21,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 792 transitions. [2021-06-11 06:27:21,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 99.0) internal successors, (792), 8 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:21,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 164.0) internal successors, (1476), 9 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:21,355 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 164.0) internal successors, (1476), 9 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:21,355 INFO L185 Difference]: Start difference. First operand has 55 places, 51 transitions, 457 flow. Second operand 8 states and 792 transitions. [2021-06-11 06:27:21,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 76 transitions, 749 flow [2021-06-11 06:27:21,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 76 transitions, 709 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-06-11 06:27:21,361 INFO L241 Difference]: Finished difference. Result has 59 places, 60 transitions, 575 flow [2021-06-11 06:27:21,362 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=421, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=575, PETRI_PLACES=59, PETRI_TRANSITIONS=60} [2021-06-11 06:27:21,362 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 31 predicate places. [2021-06-11 06:27:21,362 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:21,362 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 60 transitions, 575 flow [2021-06-11 06:27:21,362 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 60 transitions, 575 flow [2021-06-11 06:27:21,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 60 transitions, 575 flow [2021-06-11 06:27:21,393 INFO L129 PetriNetUnfolder]: 64/172 cut-off events. [2021-06-11 06:27:21,393 INFO L130 PetriNetUnfolder]: For 549/556 co-relation queries the response was YES. [2021-06-11 06:27:21,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 172 events. 64/172 cut-off events. For 549/556 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 803 event pairs, 11 based on Foata normal form. 2/172 useless extension candidates. Maximal degree in co-relation 801. Up to 66 conditions per place. [2021-06-11 06:27:21,395 INFO L151 LiptonReduction]: Number of co-enabled transitions 180 [2021-06-11 06:27:21,402 INFO L163 LiptonReduction]: Checked pairs total: 160 [2021-06-11 06:27:21,402 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:21,402 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-06-11 06:27:21,403 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 60 transitions, 575 flow [2021-06-11 06:27:21,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 93.9) internal successors, (939), 10 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:21,403 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:21,403 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:21,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 06:27:21,403 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:21,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:21,404 INFO L82 PathProgramCache]: Analyzing trace with hash -445926252, now seen corresponding path program 1 times [2021-06-11 06:27:21,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:21,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706546395] [2021-06-11 06:27:21,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:21,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:21,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 06:27:21,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:21,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 06:27:21,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:21,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:27:21,623 INFO L142 QuantifierPusher]: treesize reduction 17, result has 69.1 percent of original size [2021-06-11 06:27:21,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 06:27:21,656 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-06-11 06:27:21,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 06:27:21,695 INFO L142 QuantifierPusher]: treesize reduction 13, result has 75.9 percent of original size [2021-06-11 06:27:21,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 06:27:21,734 INFO L142 QuantifierPusher]: treesize reduction 30, result has 81.9 percent of original size [2021-06-11 06:27:21,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-06-11 06:27:21,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:21,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 06:27:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:21,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706546395] [2021-06-11 06:27:21,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:21,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-11 06:27:21,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686673555] [2021-06-11 06:27:21,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 06:27:21,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:21,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 06:27:21,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-06-11 06:27:21,829 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 164 [2021-06-11 06:27:21,830 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 60 transitions, 575 flow. Second operand has 10 states, 10 states have (on average 91.9) internal successors, (919), 10 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:21,830 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:21,830 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 164 [2021-06-11 06:27:21,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:22,261 INFO L129 PetriNetUnfolder]: 210/380 cut-off events. [2021-06-11 06:27:22,261 INFO L130 PetriNetUnfolder]: For 1244/1256 co-relation queries the response was YES. [2021-06-11 06:27:22,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1936 conditions, 380 events. 210/380 cut-off events. For 1244/1256 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1586 event pairs, 16 based on Foata normal form. 8/388 useless extension candidates. Maximal degree in co-relation 1911. Up to 275 conditions per place. [2021-06-11 06:27:22,265 INFO L132 encePairwiseOnDemand]: 154/164 looper letters, 49 selfloop transitions, 25 changer transitions 0/77 dead transitions. [2021-06-11 06:27:22,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 77 transitions, 826 flow [2021-06-11 06:27:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 06:27:22,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 06:27:22,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 770 transitions. [2021-06-11 06:27:22,269 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.586890243902439 [2021-06-11 06:27:22,269 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 770 transitions. [2021-06-11 06:27:22,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 770 transitions. [2021-06-11 06:27:22,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:22,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 770 transitions. [2021-06-11 06:27:22,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 96.25) internal successors, (770), 8 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:22,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 164.0) internal successors, (1476), 9 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:22,274 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 164.0) internal successors, (1476), 9 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:22,274 INFO L185 Difference]: Start difference. First operand has 59 places, 60 transitions, 575 flow. Second operand 8 states and 770 transitions. [2021-06-11 06:27:22,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 77 transitions, 826 flow [2021-06-11 06:27:22,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 77 transitions, 786 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-06-11 06:27:22,282 INFO L241 Difference]: Finished difference. Result has 64 places, 63 transitions, 640 flow [2021-06-11 06:27:22,282 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=640, PETRI_PLACES=64, PETRI_TRANSITIONS=63} [2021-06-11 06:27:22,283 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 36 predicate places. [2021-06-11 06:27:22,283 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:22,283 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 63 transitions, 640 flow [2021-06-11 06:27:22,283 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 63 transitions, 640 flow [2021-06-11 06:27:22,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 63 transitions, 640 flow [2021-06-11 06:27:22,321 INFO L129 PetriNetUnfolder]: 68/183 cut-off events. [2021-06-11 06:27:22,321 INFO L130 PetriNetUnfolder]: For 642/645 co-relation queries the response was YES. [2021-06-11 06:27:22,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 183 events. 68/183 cut-off events. For 642/645 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 859 event pairs, 14 based on Foata normal form. 3/185 useless extension candidates. Maximal degree in co-relation 894. Up to 56 conditions per place. [2021-06-11 06:27:22,324 INFO L151 LiptonReduction]: Number of co-enabled transitions 176 [2021-06-11 06:27:22,331 INFO L163 LiptonReduction]: Checked pairs total: 200 [2021-06-11 06:27:22,331 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:22,331 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-06-11 06:27:22,331 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 63 transitions, 640 flow [2021-06-11 06:27:22,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 91.9) internal successors, (919), 10 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:22,332 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:22,332 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:22,332 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 06:27:22,332 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:22,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:22,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1109960319, now seen corresponding path program 3 times [2021-06-11 06:27:22,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:22,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110117983] [2021-06-11 06:27:22,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:22,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:22,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:22,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:22,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:22,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:22,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 06:27:22,432 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.1 percent of original size [2021-06-11 06:27:22,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 06:27:22,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:22,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 06:27:22,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:22,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 06:27:22,493 INFO L142 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size [2021-06-11 06:27:22,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 06:27:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:22,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110117983] [2021-06-11 06:27:22,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:22,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:27:22,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530495791] [2021-06-11 06:27:22,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 06:27:22,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:22,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 06:27:22,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-06-11 06:27:22,506 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 164 [2021-06-11 06:27:22,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 63 transitions, 640 flow. Second operand has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:22,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:22,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 164 [2021-06-11 06:27:22,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:22,865 INFO L129 PetriNetUnfolder]: 127/306 cut-off events. [2021-06-11 06:27:22,865 INFO L130 PetriNetUnfolder]: For 1502/1515 co-relation queries the response was YES. [2021-06-11 06:27:22,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1748 conditions, 306 events. 127/306 cut-off events. For 1502/1515 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 1723 event pairs, 5 based on Foata normal form. 18/323 useless extension candidates. Maximal degree in co-relation 1720. Up to 156 conditions per place. [2021-06-11 06:27:22,868 INFO L132 encePairwiseOnDemand]: 155/164 looper letters, 52 selfloop transitions, 42 changer transitions 10/111 dead transitions. [2021-06-11 06:27:22,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 111 transitions, 1336 flow [2021-06-11 06:27:22,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 06:27:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 06:27:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1216 transitions. [2021-06-11 06:27:22,872 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6178861788617886 [2021-06-11 06:27:22,872 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1216 transitions. [2021-06-11 06:27:22,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1216 transitions. [2021-06-11 06:27:22,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:22,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1216 transitions. [2021-06-11 06:27:22,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 101.33333333333333) internal successors, (1216), 12 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:22,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 164.0) internal successors, (2132), 13 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:22,879 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 164.0) internal successors, (2132), 13 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:22,879 INFO L185 Difference]: Start difference. First operand has 64 places, 63 transitions, 640 flow. Second operand 12 states and 1216 transitions. [2021-06-11 06:27:22,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 111 transitions, 1336 flow [2021-06-11 06:27:22,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 111 transitions, 1264 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-06-11 06:27:22,888 INFO L241 Difference]: Finished difference. Result has 76 places, 89 transitions, 1049 flow [2021-06-11 06:27:22,888 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1049, PETRI_PLACES=76, PETRI_TRANSITIONS=89} [2021-06-11 06:27:22,888 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 48 predicate places. [2021-06-11 06:27:22,888 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:22,888 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 89 transitions, 1049 flow [2021-06-11 06:27:22,889 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 89 transitions, 1049 flow [2021-06-11 06:27:22,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 89 transitions, 1049 flow [2021-06-11 06:27:22,934 INFO L129 PetriNetUnfolder]: 92/241 cut-off events. [2021-06-11 06:27:22,934 INFO L130 PetriNetUnfolder]: For 1482/1488 co-relation queries the response was YES. [2021-06-11 06:27:22,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1391 conditions, 241 events. 92/241 cut-off events. For 1482/1488 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1349 event pairs, 8 based on Foata normal form. 3/242 useless extension candidates. Maximal degree in co-relation 1358. Up to 86 conditions per place. [2021-06-11 06:27:22,938 INFO L151 LiptonReduction]: Number of co-enabled transitions 224 [2021-06-11 06:27:22,951 INFO L163 LiptonReduction]: Checked pairs total: 550 [2021-06-11 06:27:22,952 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:22,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-06-11 06:27:22,952 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 89 transitions, 1049 flow [2021-06-11 06:27:22,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:22,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:22,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:22,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 06:27:22,953 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:22,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:22,954 INFO L82 PathProgramCache]: Analyzing trace with hash -566454597, now seen corresponding path program 4 times [2021-06-11 06:27:22,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:22,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867704401] [2021-06-11 06:27:22,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:23,026 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-11 06:27:23,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:27:23,034 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-11 06:27:23,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:27:23,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:23,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:27:23,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:23,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:27:23,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:23,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 06:27:23,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:23,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 06:27:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:23,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867704401] [2021-06-11 06:27:23,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:23,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:27:23,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404055615] [2021-06-11 06:27:23,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:27:23,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:23,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:27:23,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:27:23,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2021-06-11 06:27:23,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 89 transitions, 1049 flow. Second operand has 7 states, 7 states have (on average 90.28571428571429) internal successors, (632), 7 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:23,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:23,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2021-06-11 06:27:23,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:23,472 INFO L129 PetriNetUnfolder]: 298/555 cut-off events. [2021-06-11 06:27:23,472 INFO L130 PetriNetUnfolder]: For 4805/4807 co-relation queries the response was YES. [2021-06-11 06:27:23,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3374 conditions, 555 events. 298/555 cut-off events. For 4805/4807 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2669 event pairs, 6 based on Foata normal form. 5/560 useless extension candidates. Maximal degree in co-relation 3339. Up to 263 conditions per place. [2021-06-11 06:27:23,478 INFO L132 encePairwiseOnDemand]: 153/164 looper letters, 96 selfloop transitions, 43 changer transitions 0/142 dead transitions. [2021-06-11 06:27:23,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 142 transitions, 1943 flow [2021-06-11 06:27:23,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 06:27:23,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 06:27:23,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 767 transitions. [2021-06-11 06:27:23,481 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5846036585365854 [2021-06-11 06:27:23,481 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 767 transitions. [2021-06-11 06:27:23,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 767 transitions. [2021-06-11 06:27:23,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:23,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 767 transitions. [2021-06-11 06:27:23,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 95.875) internal successors, (767), 8 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:23,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 164.0) internal successors, (1476), 9 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:23,485 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 164.0) internal successors, (1476), 9 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:23,485 INFO L185 Difference]: Start difference. First operand has 75 places, 89 transitions, 1049 flow. Second operand 8 states and 767 transitions. [2021-06-11 06:27:23,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 142 transitions, 1943 flow [2021-06-11 06:27:23,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 142 transitions, 1775 flow, removed 77 selfloop flow, removed 4 redundant places. [2021-06-11 06:27:23,503 INFO L241 Difference]: Finished difference. Result has 81 places, 103 transitions, 1266 flow [2021-06-11 06:27:23,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1266, PETRI_PLACES=81, PETRI_TRANSITIONS=103} [2021-06-11 06:27:23,503 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 53 predicate places. [2021-06-11 06:27:23,503 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:23,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 103 transitions, 1266 flow [2021-06-11 06:27:23,504 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 103 transitions, 1266 flow [2021-06-11 06:27:23,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 103 transitions, 1266 flow [2021-06-11 06:27:23,557 INFO L129 PetriNetUnfolder]: 107/271 cut-off events. [2021-06-11 06:27:23,557 INFO L130 PetriNetUnfolder]: For 2125/2136 co-relation queries the response was YES. [2021-06-11 06:27:23,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1744 conditions, 271 events. 107/271 cut-off events. For 2125/2136 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1502 event pairs, 1 based on Foata normal form. 2/272 useless extension candidates. Maximal degree in co-relation 1708. Up to 85 conditions per place. [2021-06-11 06:27:23,562 INFO L151 LiptonReduction]: Number of co-enabled transitions 262 [2021-06-11 06:27:23,576 INFO L163 LiptonReduction]: Checked pairs total: 693 [2021-06-11 06:27:23,576 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:23,576 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-06-11 06:27:23,578 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 103 transitions, 1266 flow [2021-06-11 06:27:23,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 90.28571428571429) internal successors, (632), 7 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:23,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:23,578 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:23,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 06:27:23,578 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:23,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:23,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1162445381, now seen corresponding path program 1 times [2021-06-11 06:27:23,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:23,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760297918] [2021-06-11 06:27:23,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:23,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:23,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:27:23,701 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-06-11 06:27:23,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:23,716 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-11 06:27:23,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:27:23,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:23,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:27:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:23,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760297918] [2021-06-11 06:27:23,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:23,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:27:23,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311916553] [2021-06-11 06:27:23,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:27:23,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:23,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:27:23,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:27:23,733 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 164 [2021-06-11 06:27:23,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 103 transitions, 1266 flow. Second operand has 6 states, 6 states have (on average 111.33333333333333) internal successors, (668), 6 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:23,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:23,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 164 [2021-06-11 06:27:23,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:23,907 INFO L129 PetriNetUnfolder]: 134/327 cut-off events. [2021-06-11 06:27:23,908 INFO L130 PetriNetUnfolder]: For 3143/3161 co-relation queries the response was YES. [2021-06-11 06:27:23,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2328 conditions, 327 events. 134/327 cut-off events. For 3143/3161 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 1911 event pairs, 13 based on Foata normal form. 7/333 useless extension candidates. Maximal degree in co-relation 2290. Up to 124 conditions per place. [2021-06-11 06:27:23,911 INFO L132 encePairwiseOnDemand]: 157/164 looper letters, 46 selfloop transitions, 14 changer transitions 44/115 dead transitions. [2021-06-11 06:27:23,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 115 transitions, 1626 flow [2021-06-11 06:27:23,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:27:23,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:27:23,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 570 transitions. [2021-06-11 06:27:23,917 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6951219512195121 [2021-06-11 06:27:23,917 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 570 transitions. [2021-06-11 06:27:23,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 570 transitions. [2021-06-11 06:27:23,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:23,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 570 transitions. [2021-06-11 06:27:23,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 114.0) internal successors, (570), 5 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:23,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:23,920 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:23,920 INFO L185 Difference]: Start difference. First operand has 81 places, 103 transitions, 1266 flow. Second operand 5 states and 570 transitions. [2021-06-11 06:27:23,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 115 transitions, 1626 flow [2021-06-11 06:27:23,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 115 transitions, 1591 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-06-11 06:27:23,937 INFO L241 Difference]: Finished difference. Result has 83 places, 70 transitions, 832 flow [2021-06-11 06:27:23,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=1231, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=832, PETRI_PLACES=83, PETRI_TRANSITIONS=70} [2021-06-11 06:27:23,938 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 55 predicate places. [2021-06-11 06:27:23,938 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:23,938 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 70 transitions, 832 flow [2021-06-11 06:27:23,938 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 70 transitions, 832 flow [2021-06-11 06:27:23,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 70 transitions, 832 flow [2021-06-11 06:27:23,968 INFO L129 PetriNetUnfolder]: 54/151 cut-off events. [2021-06-11 06:27:23,968 INFO L130 PetriNetUnfolder]: For 1354/1361 co-relation queries the response was YES. [2021-06-11 06:27:23,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 990 conditions, 151 events. 54/151 cut-off events. For 1354/1361 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 701 event pairs, 1 based on Foata normal form. 1/151 useless extension candidates. Maximal degree in co-relation 953. Up to 56 conditions per place. [2021-06-11 06:27:23,970 INFO L151 LiptonReduction]: Number of co-enabled transitions 164 [2021-06-11 06:27:24,196 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-06-11 06:27:24,671 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-06-11 06:27:24,793 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-06-11 06:27:24,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:24,812 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:27:24,812 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:27:24,813 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:24,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:24,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:24,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 06:27:24,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:24,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:24,827 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-06-11 06:27:24,827 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:27:24,828 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:24,829 INFO L147 QuantifierPusher]: treesize reduction 39, result has 69.0 percent of original size 87 [2021-06-11 06:27:24,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:27:24,830 INFO L142 QuantifierPusher]: treesize reduction 39, result has 75.6 percent of original size [2021-06-11 06:27:24,831 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 4, 2, 1] term [2021-06-11 06:27:24,831 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:27:24,832 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:24,833 INFO L147 QuantifierPusher]: treesize reduction 100, result has 38.7 percent of original size 63 [2021-06-11 06:27:24,833 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 4, 2, 1] term [2021-06-11 06:27:24,834 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:27:24,834 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:24,839 INFO L147 QuantifierPusher]: treesize reduction 228, result has 15.6 percent of original size 42 [2021-06-11 06:27:24,856 INFO L163 LiptonReduction]: Checked pairs total: 803 [2021-06-11 06:27:24,856 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 06:27:24,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 918 [2021-06-11 06:27:24,856 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 70 transitions, 833 flow [2021-06-11 06:27:24,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 111.33333333333333) internal successors, (668), 6 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:24,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:24,857 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:24,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 06:27:24,857 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:24,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:24,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1530783473, now seen corresponding path program 2 times [2021-06-11 06:27:24,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:24,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766536644] [2021-06-11 06:27:24,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:24,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:24,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:27:24,920 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-06-11 06:27:24,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 06:27:24,938 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-06-11 06:27:24,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 06:27:24,983 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-06-11 06:27:24,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 06:27:24,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:24,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766536644] [2021-06-11 06:27:24,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:24,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:27:24,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567848743] [2021-06-11 06:27:24,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:27:24,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:24,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:27:24,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:27:24,997 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 165 [2021-06-11 06:27:24,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 70 transitions, 833 flow. Second operand has 6 states, 6 states have (on average 102.5) internal successors, (615), 6 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:24,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:24,997 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 165 [2021-06-11 06:27:24,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:25,164 INFO L129 PetriNetUnfolder]: 71/189 cut-off events. [2021-06-11 06:27:25,164 INFO L130 PetriNetUnfolder]: For 2119/2151 co-relation queries the response was YES. [2021-06-11 06:27:25,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1360 conditions, 189 events. 71/189 cut-off events. For 2119/2151 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 957 event pairs, 2 based on Foata normal form. 12/198 useless extension candidates. Maximal degree in co-relation 1321. Up to 100 conditions per place. [2021-06-11 06:27:25,167 INFO L132 encePairwiseOnDemand]: 157/165 looper letters, 43 selfloop transitions, 25 changer transitions 5/82 dead transitions. [2021-06-11 06:27:25,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 82 transitions, 1154 flow [2021-06-11 06:27:25,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 06:27:25,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 06:27:25,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 840 transitions. [2021-06-11 06:27:25,170 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6363636363636364 [2021-06-11 06:27:25,170 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 840 transitions. [2021-06-11 06:27:25,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 840 transitions. [2021-06-11 06:27:25,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:25,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 840 transitions. [2021-06-11 06:27:25,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 105.0) internal successors, (840), 8 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:25,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 165.0) internal successors, (1485), 9 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:25,175 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 165.0) internal successors, (1485), 9 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:25,175 INFO L185 Difference]: Start difference. First operand has 80 places, 70 transitions, 833 flow. Second operand 8 states and 840 transitions. [2021-06-11 06:27:25,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 82 transitions, 1154 flow [2021-06-11 06:27:25,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 82 transitions, 1050 flow, removed 15 selfloop flow, removed 9 redundant places. [2021-06-11 06:27:25,186 INFO L241 Difference]: Finished difference. Result has 81 places, 74 transitions, 880 flow [2021-06-11 06:27:25,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=737, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=880, PETRI_PLACES=81, PETRI_TRANSITIONS=74} [2021-06-11 06:27:25,186 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 53 predicate places. [2021-06-11 06:27:25,186 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:25,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 74 transitions, 880 flow [2021-06-11 06:27:25,187 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 74 transitions, 880 flow [2021-06-11 06:27:25,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 74 transitions, 880 flow [2021-06-11 06:27:25,216 INFO L129 PetriNetUnfolder]: 53/152 cut-off events. [2021-06-11 06:27:25,216 INFO L130 PetriNetUnfolder]: For 1402/1407 co-relation queries the response was YES. [2021-06-11 06:27:25,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 978 conditions, 152 events. 53/152 cut-off events. For 1402/1407 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 719 event pairs, 4 based on Foata normal form. 2/153 useless extension candidates. Maximal degree in co-relation 943. Up to 55 conditions per place. [2021-06-11 06:27:25,218 INFO L151 LiptonReduction]: Number of co-enabled transitions 150 [2021-06-11 06:27:25,226 INFO L163 LiptonReduction]: Checked pairs total: 444 [2021-06-11 06:27:25,226 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:25,227 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-06-11 06:27:25,227 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 74 transitions, 880 flow [2021-06-11 06:27:25,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 102.5) internal successors, (615), 6 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:25,227 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:25,227 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:25,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 06:27:25,228 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:25,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:25,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1525221387, now seen corresponding path program 1 times [2021-06-11 06:27:25,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:25,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166687815] [2021-06-11 06:27:25,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:25,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:25,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:27:25,319 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-11 06:27:25,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:27:25,331 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-06-11 06:27:25,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 06:27:25,346 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-06-11 06:27:25,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 06:27:25,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:25,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:27:25,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:25,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166687815] [2021-06-11 06:27:25,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:25,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:27:25,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927269466] [2021-06-11 06:27:25,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:27:25,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:25,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:27:25,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:27:25,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 165 [2021-06-11 06:27:25,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 74 transitions, 880 flow. Second operand has 7 states, 7 states have (on average 103.14285714285714) internal successors, (722), 7 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:25,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:25,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 165 [2021-06-11 06:27:25,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:25,576 INFO L129 PetriNetUnfolder]: 63/171 cut-off events. [2021-06-11 06:27:25,576 INFO L130 PetriNetUnfolder]: For 2193/2224 co-relation queries the response was YES. [2021-06-11 06:27:25,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 171 events. 63/171 cut-off events. For 2193/2224 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 817 event pairs, 4 based on Foata normal form. 14/184 useless extension candidates. Maximal degree in co-relation 1207. Up to 96 conditions per place. [2021-06-11 06:27:25,578 INFO L132 encePairwiseOnDemand]: 158/165 looper letters, 39 selfloop transitions, 24 changer transitions 5/77 dead transitions. [2021-06-11 06:27:25,578 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 77 transitions, 1062 flow [2021-06-11 06:27:25,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:27:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:27:25,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 741 transitions. [2021-06-11 06:27:25,582 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6415584415584416 [2021-06-11 06:27:25,582 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 741 transitions. [2021-06-11 06:27:25,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 741 transitions. [2021-06-11 06:27:25,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:25,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 741 transitions. [2021-06-11 06:27:25,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 105.85714285714286) internal successors, (741), 7 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:25,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 165.0) internal successors, (1320), 8 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:25,586 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 165.0) internal successors, (1320), 8 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:25,586 INFO L185 Difference]: Start difference. First operand has 81 places, 74 transitions, 880 flow. Second operand 7 states and 741 transitions. [2021-06-11 06:27:25,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 77 transitions, 1062 flow [2021-06-11 06:27:25,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 77 transitions, 988 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-06-11 06:27:25,594 INFO L241 Difference]: Finished difference. Result has 83 places, 71 transitions, 837 flow [2021-06-11 06:27:25,595 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=837, PETRI_PLACES=83, PETRI_TRANSITIONS=71} [2021-06-11 06:27:25,595 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 55 predicate places. [2021-06-11 06:27:25,595 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:25,595 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 71 transitions, 837 flow [2021-06-11 06:27:25,595 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 71 transitions, 837 flow [2021-06-11 06:27:25,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 71 transitions, 837 flow [2021-06-11 06:27:25,622 INFO L129 PetriNetUnfolder]: 51/149 cut-off events. [2021-06-11 06:27:25,623 INFO L130 PetriNetUnfolder]: For 1350/1354 co-relation queries the response was YES. [2021-06-11 06:27:25,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 964 conditions, 149 events. 51/149 cut-off events. For 1350/1354 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 703 event pairs, 2 based on Foata normal form. 1/149 useless extension candidates. Maximal degree in co-relation 929. Up to 54 conditions per place. [2021-06-11 06:27:25,625 INFO L151 LiptonReduction]: Number of co-enabled transitions 150 [2021-06-11 06:27:25,637 INFO L163 LiptonReduction]: Checked pairs total: 444 [2021-06-11 06:27:25,637 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:25,637 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-06-11 06:27:25,640 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 71 transitions, 837 flow [2021-06-11 06:27:25,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 103.14285714285714) internal successors, (722), 7 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:25,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:25,640 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:25,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 06:27:25,640 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:25,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:25,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1024911573, now seen corresponding path program 1 times [2021-06-11 06:27:25,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:25,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534696958] [2021-06-11 06:27:25,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:25,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:25,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:27:25,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:25,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:27:25,713 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-11 06:27:25,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:27:25,732 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-11 06:27:25,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 06:27:25,750 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-06-11 06:27:25,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:27:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:25,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534696958] [2021-06-11 06:27:25,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:25,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:27:25,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819751408] [2021-06-11 06:27:25,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:27:25,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:25,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:27:25,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:27:25,761 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 165 [2021-06-11 06:27:25,761 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 71 transitions, 837 flow. Second operand has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:25,761 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:25,761 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 165 [2021-06-11 06:27:25,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:25,935 INFO L129 PetriNetUnfolder]: 76/213 cut-off events. [2021-06-11 06:27:25,935 INFO L130 PetriNetUnfolder]: For 2607/2638 co-relation queries the response was YES. [2021-06-11 06:27:25,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1524 conditions, 213 events. 76/213 cut-off events. For 2607/2638 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1125 event pairs, 3 based on Foata normal form. 6/218 useless extension candidates. Maximal degree in co-relation 1487. Up to 76 conditions per place. [2021-06-11 06:27:25,938 INFO L132 encePairwiseOnDemand]: 156/165 looper letters, 35 selfloop transitions, 24 changer transitions 24/92 dead transitions. [2021-06-11 06:27:25,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 92 transitions, 1296 flow [2021-06-11 06:27:25,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:27:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:27:25,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 672 transitions. [2021-06-11 06:27:25,940 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6787878787878788 [2021-06-11 06:27:25,940 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 672 transitions. [2021-06-11 06:27:25,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 672 transitions. [2021-06-11 06:27:25,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:25,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 672 transitions. [2021-06-11 06:27:25,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.0) internal successors, (672), 6 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) [2021-06-11 06:27:25,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:25,945 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:25,945 INFO L185 Difference]: Start difference. First operand has 82 places, 71 transitions, 837 flow. Second operand 6 states and 672 transitions. [2021-06-11 06:27:25,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 92 transitions, 1296 flow [2021-06-11 06:27:26,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 92 transitions, 1196 flow, removed 18 selfloop flow, removed 7 redundant places. [2021-06-11 06:27:26,008 INFO L241 Difference]: Finished difference. Result has 82 places, 67 transitions, 810 flow [2021-06-11 06:27:26,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=810, PETRI_PLACES=82, PETRI_TRANSITIONS=67} [2021-06-11 06:27:26,008 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 54 predicate places. [2021-06-11 06:27:26,008 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:26,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 67 transitions, 810 flow [2021-06-11 06:27:26,009 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 67 transitions, 810 flow [2021-06-11 06:27:26,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 67 transitions, 810 flow [2021-06-11 06:27:26,032 INFO L129 PetriNetUnfolder]: 40/131 cut-off events. [2021-06-11 06:27:26,032 INFO L130 PetriNetUnfolder]: For 1531/1532 co-relation queries the response was YES. [2021-06-11 06:27:26,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 131 events. 40/131 cut-off events. For 1531/1532 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 571 event pairs, 1 based on Foata normal form. 1/131 useless extension candidates. Maximal degree in co-relation 830. Up to 44 conditions per place. [2021-06-11 06:27:26,034 INFO L151 LiptonReduction]: Number of co-enabled transitions 112 [2021-06-11 06:27:26,037 INFO L163 LiptonReduction]: Checked pairs total: 280 [2021-06-11 06:27:26,037 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:26,037 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-06-11 06:27:26,037 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 67 transitions, 810 flow [2021-06-11 06:27:26,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:26,038 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:26,038 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:26,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 06:27:26,038 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:26,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:26,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1943001323, now seen corresponding path program 2 times [2021-06-11 06:27:26,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:26,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811432238] [2021-06-11 06:27:26,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:26,116 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-11 06:27:26,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:27:26,124 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.5 percent of original size [2021-06-11 06:27:26,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 06:27:26,149 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-06-11 06:27:26,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 06:27:26,190 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.1 percent of original size [2021-06-11 06:27:26,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 06:27:26,229 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-06-11 06:27:26,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 06:27:26,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:26,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:27:26,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:26,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811432238] [2021-06-11 06:27:26,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:26,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:27:26,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460906703] [2021-06-11 06:27:26,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 06:27:26,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:26,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 06:27:26,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-11 06:27:26,278 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 165 [2021-06-11 06:27:26,279 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 67 transitions, 810 flow. Second operand has 8 states, 8 states have (on average 91.25) internal successors, (730), 8 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) [2021-06-11 06:27:26,279 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:26,279 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 165 [2021-06-11 06:27:26,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:26,608 INFO L129 PetriNetUnfolder]: 110/258 cut-off events. [2021-06-11 06:27:26,608 INFO L130 PetriNetUnfolder]: For 3977/3993 co-relation queries the response was YES. [2021-06-11 06:27:26,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1753 conditions, 258 events. 110/258 cut-off events. For 3977/3993 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1127 event pairs, 11 based on Foata normal form. 15/270 useless extension candidates. Maximal degree in co-relation 1716. Up to 141 conditions per place. [2021-06-11 06:27:26,611 INFO L132 encePairwiseOnDemand]: 155/165 looper letters, 40 selfloop transitions, 23 changer transitions 31/97 dead transitions. [2021-06-11 06:27:26,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 97 transitions, 1279 flow [2021-06-11 06:27:26,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 06:27:26,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 06:27:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 859 transitions. [2021-06-11 06:27:26,614 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5784511784511784 [2021-06-11 06:27:26,614 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 859 transitions. [2021-06-11 06:27:26,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 859 transitions. [2021-06-11 06:27:26,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:26,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 859 transitions. [2021-06-11 06:27:26,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 95.44444444444444) internal successors, (859), 9 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:26,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 165.0) internal successors, (1650), 10 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:26,618 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 165.0) internal successors, (1650), 10 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:26,618 INFO L185 Difference]: Start difference. First operand has 81 places, 67 transitions, 810 flow. Second operand 9 states and 859 transitions. [2021-06-11 06:27:26,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 97 transitions, 1279 flow [2021-06-11 06:27:26,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 97 transitions, 1181 flow, removed 26 selfloop flow, removed 7 redundant places. [2021-06-11 06:27:26,630 INFO L241 Difference]: Finished difference. Result has 87 places, 62 transitions, 769 flow [2021-06-11 06:27:26,630 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=769, PETRI_PLACES=87, PETRI_TRANSITIONS=62} [2021-06-11 06:27:26,630 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 59 predicate places. [2021-06-11 06:27:26,630 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:26,630 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 62 transitions, 769 flow [2021-06-11 06:27:26,630 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 62 transitions, 769 flow [2021-06-11 06:27:26,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 62 transitions, 769 flow [2021-06-11 06:27:26,654 INFO L129 PetriNetUnfolder]: 42/127 cut-off events. [2021-06-11 06:27:26,654 INFO L130 PetriNetUnfolder]: For 1753/1754 co-relation queries the response was YES. [2021-06-11 06:27:26,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 127 events. 42/127 cut-off events. For 1753/1754 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 518 event pairs, 5 based on Foata normal form. 1/125 useless extension candidates. Maximal degree in co-relation 874. Up to 43 conditions per place. [2021-06-11 06:27:26,656 INFO L151 LiptonReduction]: Number of co-enabled transitions 92 [2021-06-11 06:27:26,659 INFO L163 LiptonReduction]: Checked pairs total: 270 [2021-06-11 06:27:26,659 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:26,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-06-11 06:27:26,660 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 62 transitions, 769 flow [2021-06-11 06:27:26,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 91.25) internal successors, (730), 8 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) [2021-06-11 06:27:26,660 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:26,661 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:26,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 06:27:26,661 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:26,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:26,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1970252505, now seen corresponding path program 3 times [2021-06-11 06:27:26,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:26,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759221023] [2021-06-11 06:27:26,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:26,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:26,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:27:26,729 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.9 percent of original size [2021-06-11 06:27:26,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 06:27:26,751 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-06-11 06:27:26,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 06:27:26,771 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-06-11 06:27:26,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 06:27:26,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:26,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:27:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:26,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759221023] [2021-06-11 06:27:26,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:26,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:27:26,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026336608] [2021-06-11 06:27:26,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:27:26,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:26,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:27:26,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:27:26,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 165 [2021-06-11 06:27:26,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 62 transitions, 769 flow. Second operand has 7 states, 7 states have (on average 104.28571428571429) internal successors, (730), 7 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) [2021-06-11 06:27:26,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:26,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 165 [2021-06-11 06:27:26,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:27,037 INFO L129 PetriNetUnfolder]: 46/147 cut-off events. [2021-06-11 06:27:27,037 INFO L130 PetriNetUnfolder]: For 3186/3222 co-relation queries the response was YES. [2021-06-11 06:27:27,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 147 events. 46/147 cut-off events. For 3186/3222 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 653 event pairs, 6 based on Foata normal form. 16/160 useless extension candidates. Maximal degree in co-relation 1076. Up to 56 conditions per place. [2021-06-11 06:27:27,039 INFO L132 encePairwiseOnDemand]: 157/165 looper letters, 27 selfloop transitions, 19 changer transitions 15/70 dead transitions. [2021-06-11 06:27:27,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 70 transitions, 998 flow [2021-06-11 06:27:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:27:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:27:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 749 transitions. [2021-06-11 06:27:27,041 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6484848484848484 [2021-06-11 06:27:27,041 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 749 transitions. [2021-06-11 06:27:27,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 749 transitions. [2021-06-11 06:27:27,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:27,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 749 transitions. [2021-06-11 06:27:27,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 107.0) internal successors, (749), 7 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:27,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 165.0) internal successors, (1320), 8 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:27,044 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 165.0) internal successors, (1320), 8 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:27,044 INFO L185 Difference]: Start difference. First operand has 83 places, 62 transitions, 769 flow. Second operand 7 states and 749 transitions. [2021-06-11 06:27:27,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 70 transitions, 998 flow [2021-06-11 06:27:27,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 70 transitions, 951 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-06-11 06:27:27,054 INFO L241 Difference]: Finished difference. Result has 86 places, 54 transitions, 690 flow [2021-06-11 06:27:27,055 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=690, PETRI_PLACES=86, PETRI_TRANSITIONS=54} [2021-06-11 06:27:27,055 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 58 predicate places. [2021-06-11 06:27:27,055 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:27,055 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 54 transitions, 690 flow [2021-06-11 06:27:27,055 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 54 transitions, 690 flow [2021-06-11 06:27:27,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 54 transitions, 690 flow [2021-06-11 06:27:27,076 INFO L129 PetriNetUnfolder]: 37/111 cut-off events. [2021-06-11 06:27:27,076 INFO L130 PetriNetUnfolder]: For 1562/1563 co-relation queries the response was YES. [2021-06-11 06:27:27,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 820 conditions, 111 events. 37/111 cut-off events. For 1562/1563 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 447 event pairs, 5 based on Foata normal form. 1/109 useless extension candidates. Maximal degree in co-relation 783. Up to 39 conditions per place. [2021-06-11 06:27:27,078 INFO L151 LiptonReduction]: Number of co-enabled transitions 82 [2021-06-11 06:27:27,080 INFO L163 LiptonReduction]: Checked pairs total: 225 [2021-06-11 06:27:27,080 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:27,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 06:27:27,082 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 54 transitions, 690 flow [2021-06-11 06:27:27,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 104.28571428571429) internal successors, (730), 7 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) [2021-06-11 06:27:27,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:27,082 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:27,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 06:27:27,082 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:27,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:27,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1662534537, now seen corresponding path program 4 times [2021-06-11 06:27:27,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:27,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867489373] [2021-06-11 06:27:27,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:27,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:27,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:27:27,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:27,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:27:27,165 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-06-11 06:27:27,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:27,176 INFO L142 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-06-11 06:27:27,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 06:27:27,233 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-06-11 06:27:27,234 INFO L147 QuantifierPusher]: treesize reduction 12, result has 62.5 percent of original size 20 [2021-06-11 06:27:27,253 INFO L142 QuantifierPusher]: treesize reduction 55, result has 16.7 percent of original size [2021-06-11 06:27:27,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 06:27:27,266 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-06-11 06:27:27,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 06:27:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:27,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867489373] [2021-06-11 06:27:27,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:27,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:27:27,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250603405] [2021-06-11 06:27:27,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:27:27,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:27,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:27:27,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:27:27,268 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 165 [2021-06-11 06:27:27,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 54 transitions, 690 flow. Second operand has 7 states, 7 states have (on average 102.28571428571429) internal successors, (716), 7 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:27,269 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:27,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 165 [2021-06-11 06:27:27,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:27,551 INFO L129 PetriNetUnfolder]: 44/135 cut-off events. [2021-06-11 06:27:27,551 INFO L130 PetriNetUnfolder]: For 2724/2750 co-relation queries the response was YES. [2021-06-11 06:27:27,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1056 conditions, 135 events. 44/135 cut-off events. For 2724/2750 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 574 event pairs, 5 based on Foata normal form. 16/148 useless extension candidates. Maximal degree in co-relation 1017. Up to 52 conditions per place. [2021-06-11 06:27:27,553 INFO L132 encePairwiseOnDemand]: 157/165 looper letters, 16 selfloop transitions, 13 changer transitions 33/71 dead transitions. [2021-06-11 06:27:27,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 71 transitions, 1062 flow [2021-06-11 06:27:27,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 06:27:27,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 06:27:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 834 transitions. [2021-06-11 06:27:27,556 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6318181818181818 [2021-06-11 06:27:27,556 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 834 transitions. [2021-06-11 06:27:27,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 834 transitions. [2021-06-11 06:27:27,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:27,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 834 transitions. [2021-06-11 06:27:27,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 104.25) internal successors, (834), 8 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:27,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 165.0) internal successors, (1485), 9 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:27,561 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 165.0) internal successors, (1485), 9 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:27,561 INFO L185 Difference]: Start difference. First operand has 81 places, 54 transitions, 690 flow. Second operand 8 states and 834 transitions. [2021-06-11 06:27:27,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 71 transitions, 1062 flow [2021-06-11 06:27:27,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 71 transitions, 1011 flow, removed 11 selfloop flow, removed 7 redundant places. [2021-06-11 06:27:27,570 INFO L241 Difference]: Finished difference. Result has 85 places, 38 transitions, 507 flow [2021-06-11 06:27:27,570 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=507, PETRI_PLACES=85, PETRI_TRANSITIONS=38} [2021-06-11 06:27:27,571 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 57 predicate places. [2021-06-11 06:27:27,571 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:27,571 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 38 transitions, 507 flow [2021-06-11 06:27:27,573 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 38 transitions, 507 flow [2021-06-11 06:27:27,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 38 transitions, 507 flow [2021-06-11 06:27:27,585 INFO L129 PetriNetUnfolder]: 16/57 cut-off events. [2021-06-11 06:27:27,585 INFO L130 PetriNetUnfolder]: For 757/758 co-relation queries the response was YES. [2021-06-11 06:27:27,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 57 events. 16/57 cut-off events. For 757/758 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 138 event pairs, 4 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 387. Up to 24 conditions per place. [2021-06-11 06:27:27,586 INFO L151 LiptonReduction]: Number of co-enabled transitions 44 [2021-06-11 06:27:27,587 INFO L163 LiptonReduction]: Checked pairs total: 52 [2021-06-11 06:27:27,588 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:27,588 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-06-11 06:27:27,589 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 38 transitions, 507 flow [2021-06-11 06:27:27,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 102.28571428571429) internal successors, (716), 7 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:27,589 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:27,590 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:27,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-11 06:27:27,590 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:27,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:27,590 INFO L82 PathProgramCache]: Analyzing trace with hash -37492383, now seen corresponding path program 5 times [2021-06-11 06:27:27,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:27,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685345891] [2021-06-11 06:27:27,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:27,690 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 06:27:27,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 06:27:27,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:27,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:27:27,728 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-06-11 06:27:27,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 06:27:27,753 INFO L142 QuantifierPusher]: treesize reduction 22, result has 91.5 percent of original size [2021-06-11 06:27:27,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-06-11 06:27:27,828 INFO L142 QuantifierPusher]: treesize reduction 22, result has 91.3 percent of original size [2021-06-11 06:27:27,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-06-11 06:27:27,892 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-06-11 06:27:27,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:27:27,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:27,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:27:27,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:27,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685345891] [2021-06-11 06:27:27,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:27,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 06:27:27,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902021441] [2021-06-11 06:27:27,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 06:27:27,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:27,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 06:27:27,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-11 06:27:27,927 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 165 [2021-06-11 06:27:27,928 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 38 transitions, 507 flow. Second operand has 9 states, 9 states have (on average 100.0) internal successors, (900), 9 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:27,928 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:27,928 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 165 [2021-06-11 06:27:27,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:28,100 INFO L129 PetriNetUnfolder]: 19/68 cut-off events. [2021-06-11 06:27:28,100 INFO L130 PetriNetUnfolder]: For 1085/1093 co-relation queries the response was YES. [2021-06-11 06:27:28,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 541 conditions, 68 events. 19/68 cut-off events. For 1085/1093 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 175 event pairs, 3 based on Foata normal form. 6/73 useless extension candidates. Maximal degree in co-relation 503. Up to 29 conditions per place. [2021-06-11 06:27:28,101 INFO L132 encePairwiseOnDemand]: 158/165 looper letters, 16 selfloop transitions, 2 changer transitions 17/44 dead transitions. [2021-06-11 06:27:28,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 44 transitions, 676 flow [2021-06-11 06:27:28,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:27:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:27:28,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 713 transitions. [2021-06-11 06:27:28,104 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6173160173160173 [2021-06-11 06:27:28,104 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 713 transitions. [2021-06-11 06:27:28,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 713 transitions. [2021-06-11 06:27:28,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:28,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 713 transitions. [2021-06-11 06:27:28,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 101.85714285714286) internal successors, (713), 7 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 165.0) internal successors, (1320), 8 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,107 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 165.0) internal successors, (1320), 8 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,107 INFO L185 Difference]: Start difference. First operand has 81 places, 38 transitions, 507 flow. Second operand 7 states and 713 transitions. [2021-06-11 06:27:28,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 44 transitions, 676 flow [2021-06-11 06:27:28,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 44 transitions, 501 flow, removed 40 selfloop flow, removed 18 redundant places. [2021-06-11 06:27:28,113 INFO L241 Difference]: Finished difference. Result has 72 places, 27 transitions, 274 flow [2021-06-11 06:27:28,113 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=63, 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=7, PETRI_FLOW=274, PETRI_PLACES=72, PETRI_TRANSITIONS=27} [2021-06-11 06:27:28,113 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 44 predicate places. [2021-06-11 06:27:28,113 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:28,113 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 27 transitions, 274 flow [2021-06-11 06:27:28,113 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 27 transitions, 274 flow [2021-06-11 06:27:28,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 27 transitions, 274 flow [2021-06-11 06:27:28,123 INFO L129 PetriNetUnfolder]: 14/45 cut-off events. [2021-06-11 06:27:28,123 INFO L130 PetriNetUnfolder]: For 434/435 co-relation queries the response was YES. [2021-06-11 06:27:28,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 45 events. 14/45 cut-off events. For 434/435 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 85 event pairs, 3 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 257. Up to 23 conditions per place. [2021-06-11 06:27:28,124 INFO L151 LiptonReduction]: Number of co-enabled transitions 22 [2021-06-11 06:27:28,125 INFO L163 LiptonReduction]: Checked pairs total: 12 [2021-06-11 06:27:28,125 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:28,125 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 06:27:28,125 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 27 transitions, 274 flow [2021-06-11 06:27:28,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 100.0) internal successors, (900), 9 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,126 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:28,126 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:28,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-11 06:27:28,126 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:28,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:28,126 INFO L82 PathProgramCache]: Analyzing trace with hash -762571891, now seen corresponding path program 1 times [2021-06-11 06:27:28,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:28,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937966063] [2021-06-11 06:27:28,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:28,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:28,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:27:28,225 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-06-11 06:27:28,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:27:28,237 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-06-11 06:27:28,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 06:27:28,255 INFO L142 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size [2021-06-11 06:27:28,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:27:28,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:27:28,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:28,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937966063] [2021-06-11 06:27:28,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:28,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:27:28,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330303094] [2021-06-11 06:27:28,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:27:28,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:28,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:27:28,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:27:28,288 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 165 [2021-06-11 06:27:28,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 27 transitions, 274 flow. Second operand has 7 states, 7 states have (on average 103.28571428571429) internal successors, (723), 7 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:28,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 165 [2021-06-11 06:27:28,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:28,462 INFO L129 PetriNetUnfolder]: 8/39 cut-off events. [2021-06-11 06:27:28,462 INFO L130 PetriNetUnfolder]: For 522/523 co-relation queries the response was YES. [2021-06-11 06:27:28,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 39 events. 8/39 cut-off events. For 522/523 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 2 based on Foata normal form. 6/45 useless extension candidates. Maximal degree in co-relation 218. Up to 15 conditions per place. [2021-06-11 06:27:28,464 INFO L132 encePairwiseOnDemand]: 159/165 looper letters, 9 selfloop transitions, 5 changer transitions 5/28 dead transitions. [2021-06-11 06:27:28,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 28 transitions, 322 flow [2021-06-11 06:27:28,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:27:28,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:27:28,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 627 transitions. [2021-06-11 06:27:28,467 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6333333333333333 [2021-06-11 06:27:28,467 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 627 transitions. [2021-06-11 06:27:28,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 627 transitions. [2021-06-11 06:27:28,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:28,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 627 transitions. [2021-06-11 06:27:28,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 104.5) internal successors, (627), 6 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,469 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,470 INFO L185 Difference]: Start difference. First operand has 61 places, 27 transitions, 274 flow. Second operand 6 states and 627 transitions. [2021-06-11 06:27:28,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 28 transitions, 322 flow [2021-06-11 06:27:28,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 28 transitions, 242 flow, removed 29 selfloop flow, removed 20 redundant places. [2021-06-11 06:27:28,473 INFO L241 Difference]: Finished difference. Result has 47 places, 23 transitions, 169 flow [2021-06-11 06:27:28,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=169, PETRI_PLACES=47, PETRI_TRANSITIONS=23} [2021-06-11 06:27:28,473 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 19 predicate places. [2021-06-11 06:27:28,473 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:28,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 23 transitions, 169 flow [2021-06-11 06:27:28,476 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 23 transitions, 169 flow [2021-06-11 06:27:28,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 23 transitions, 169 flow [2021-06-11 06:27:28,482 INFO L129 PetriNetUnfolder]: 6/30 cut-off events. [2021-06-11 06:27:28,483 INFO L130 PetriNetUnfolder]: For 121/121 co-relation queries the response was YES. [2021-06-11 06:27:28,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 30 events. 6/30 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 27 event pairs, 1 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 122. Up to 10 conditions per place. [2021-06-11 06:27:28,483 INFO L151 LiptonReduction]: Number of co-enabled transitions 18 [2021-06-11 06:27:28,484 INFO L163 LiptonReduction]: Checked pairs total: 12 [2021-06-11 06:27:28,484 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:28,484 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-06-11 06:27:28,485 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 23 transitions, 169 flow [2021-06-11 06:27:28,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 103.28571428571429) internal successors, (723), 7 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:27:28,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:27:28,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-11 06:27:28,486 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:27:28,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:27:28,486 INFO L82 PathProgramCache]: Analyzing trace with hash 2129815123, now seen corresponding path program 1 times [2021-06-11 06:27:28,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:27:28,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17464655] [2021-06-11 06:27:28,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:27:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:27:28,567 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-11 06:27:28,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:27:28,576 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-06-11 06:27:28,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 06:27:28,605 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.9 percent of original size [2021-06-11 06:27:28,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 06:27:28,641 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-06-11 06:27:28,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 06:27:28,659 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-06-11 06:27:28,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 06:27:28,663 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-06-11 06:27:28,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 06:27:28,680 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-06-11 06:27:28,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 06:27:28,716 INFO L142 QuantifierPusher]: treesize reduction 6, result has 66.7 percent of original size [2021-06-11 06:27:28,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:27:28,732 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-06-11 06:27:28,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:27:28,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:27:28,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17464655] [2021-06-11 06:27:28,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:27:28,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-11 06:27:28,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983639932] [2021-06-11 06:27:28,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 06:27:28,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:27:28,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 06:27:28,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-06-11 06:27:28,745 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 165 [2021-06-11 06:27:28,746 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 23 transitions, 169 flow. Second operand has 10 states, 10 states have (on average 87.1) internal successors, (871), 10 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,746 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:27:28,746 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 165 [2021-06-11 06:27:28,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:27:28,940 INFO L129 PetriNetUnfolder]: 10/38 cut-off events. [2021-06-11 06:27:28,940 INFO L130 PetriNetUnfolder]: For 238/238 co-relation queries the response was YES. [2021-06-11 06:27:28,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 38 events. 10/38 cut-off events. For 238/238 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 6/44 useless extension candidates. Maximal degree in co-relation 160. Up to 12 conditions per place. [2021-06-11 06:27:28,940 INFO L132 encePairwiseOnDemand]: 156/165 looper letters, 0 selfloop transitions, 0 changer transitions 29/29 dead transitions. [2021-06-11 06:27:28,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 29 transitions, 231 flow [2021-06-11 06:27:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 06:27:28,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 06:27:28,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 886 transitions. [2021-06-11 06:27:28,942 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.536969696969697 [2021-06-11 06:27:28,942 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 886 transitions. [2021-06-11 06:27:28,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 886 transitions. [2021-06-11 06:27:28,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:27:28,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 886 transitions. [2021-06-11 06:27:28,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 88.6) internal successors, (886), 10 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 165.0) internal successors, (1815), 11 states have internal predecessors, (1815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,945 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 165.0) internal successors, (1815), 11 states have internal predecessors, (1815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,946 INFO L185 Difference]: Start difference. First operand has 46 places, 23 transitions, 169 flow. Second operand 10 states and 886 transitions. [2021-06-11 06:27:28,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 29 transitions, 231 flow [2021-06-11 06:27:28,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 29 transitions, 187 flow, removed 8 selfloop flow, removed 11 redundant places. [2021-06-11 06:27:28,947 INFO L241 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2021-06-11 06:27:28,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2021-06-11 06:27:28,947 INFO L343 CegarLoopForPetriNet]: 28 programPoint places, 15 predicate places. [2021-06-11 06:27:28,947 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:27:28,947 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 0 transitions, 0 flow [2021-06-11 06:27:28,947 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 0 transitions, 0 flow [2021-06-11 06:27:28,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 06:27:28,948 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 06:27:28,948 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:27:28,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-06-11 06:27:28,948 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 06:27:28,948 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 06:27:28,948 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:27:28,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-06-11 06:27:28,949 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 06:27:28,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 87.1) internal successors, (871), 10 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:27:28,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-11 06:27:28,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:27:28 BasicIcfg [2021-06-11 06:27:28,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 06:27:28,954 INFO L168 Benchmark]: Toolchain (without parser) took 33665.55 ms. Allocated memory was 392.2 MB in the beginning and 903.9 MB in the end (delta: 511.7 MB). Free memory was 354.3 MB in the beginning and 747.0 MB in the end (delta: -392.6 MB). Peak memory consumption was 119.8 MB. Max. memory is 16.0 GB. [2021-06-11 06:27:28,954 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 392.2 MB. Free memory is still 373.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 06:27:28,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.24 ms. Allocated memory is still 392.2 MB. Free memory was 354.1 MB in the beginning and 348.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. [2021-06-11 06:27:28,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.42 ms. Allocated memory is still 392.2 MB. Free memory was 348.7 MB in the beginning and 345.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:27:28,955 INFO L168 Benchmark]: Boogie Preprocessor took 72.74 ms. Allocated memory is still 392.2 MB. Free memory was 345.8 MB in the beginning and 342.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:27:28,955 INFO L168 Benchmark]: RCFGBuilder took 2959.89 ms. Allocated memory was 392.2 MB in the beginning and 471.9 MB in the end (delta: 79.7 MB). Free memory was 342.4 MB in the beginning and 432.6 MB in the end (delta: -90.1 MB). Peak memory consumption was 149.8 MB. Max. memory is 16.0 GB. [2021-06-11 06:27:28,955 INFO L168 Benchmark]: TraceAbstraction took 29996.23 ms. Allocated memory was 471.9 MB in the beginning and 903.9 MB in the end (delta: 432.0 MB). Free memory was 432.6 MB in the beginning and 747.0 MB in the end (delta: -314.4 MB). Peak memory consumption was 117.6 MB. Max. memory is 16.0 GB. [2021-06-11 06:27:28,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 392.2 MB. Free memory is still 373.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 546.24 ms. Allocated memory is still 392.2 MB. Free memory was 354.1 MB in the beginning and 348.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 85.42 ms. Allocated memory is still 392.2 MB. Free memory was 348.7 MB in the beginning and 345.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 72.74 ms. Allocated memory is still 392.2 MB. Free memory was 345.8 MB in the beginning and 342.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2959.89 ms. Allocated memory was 392.2 MB in the beginning and 471.9 MB in the end (delta: 79.7 MB). Free memory was 342.4 MB in the beginning and 432.6 MB in the end (delta: -90.1 MB). Peak memory consumption was 149.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 29996.23 ms. Allocated memory was 471.9 MB in the beginning and 903.9 MB in the end (delta: 432.0 MB). Free memory was 432.6 MB in the beginning and 747.0 MB in the end (delta: -314.4 MB). Peak memory consumption was 117.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18093.0ms, 88 PlacesBefore, 28 PlacesAfterwards, 83 TransitionsBefore, 23 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 78 TotalNumberOfCompositions, 3163 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1401, positive: 1273, positive conditional: 0, positive unconditional: 1273, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 841, positive: 790, positive conditional: 0, positive unconditional: 790, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 841, positive: 790, positive conditional: 0, positive unconditional: 790, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 841, positive: 771, positive conditional: 0, positive unconditional: 771, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1638, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 1566, negative conditional: 0, negative unconditional: 1566, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1401, positive: 483, positive conditional: 0, positive unconditional: 483, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 841, unknown conditional: 0, unknown unconditional: 841] , Statistics on independence cache: Total cache size (in pairs): 1428, Positive cache size: 1377, Positive conditional cache size: 0, Positive unconditional cache size: 1377, Negative cache size: 51, Negative conditional cache size: 0, Negative unconditional cache size: 51 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 195.3ms, 26 PlacesBefore, 25 PlacesAfterwards, 18 TransitionsBefore, 18 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 182 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 187, negative conditional: 0, negative unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 43, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 1437, Positive cache size: 1378, Positive conditional cache size: 0, Positive unconditional cache size: 1378, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 195.1ms, 26 PlacesBefore, 24 PlacesAfterwards, 17 TransitionsBefore, 16 TransitionsAfterwards, 124 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 275 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 87, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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.Query Time [ms]: [ total: 55, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 87, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 1481, Positive cache size: 1421, Positive conditional cache size: 0, Positive unconditional cache size: 1421, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.2ms, 25 PlacesBefore, 25 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 106 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 109 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1483, Positive cache size: 1421, Positive conditional cache size: 0, Positive unconditional cache size: 1421, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.0ms, 31 PlacesBefore, 31 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 118 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 66 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1485, Positive cache size: 1423, Positive conditional cache size: 0, Positive unconditional cache size: 1423, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.4ms, 38 PlacesBefore, 38 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 64 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1486, Positive cache size: 1424, Positive conditional cache size: 0, Positive unconditional cache size: 1424, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.0ms, 45 PlacesBefore, 45 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 68 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1486, Positive cache size: 1424, Positive conditional cache size: 0, Positive unconditional cache size: 1424, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.3ms, 46 PlacesBefore, 46 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1486, Positive cache size: 1424, Positive conditional cache size: 0, Positive unconditional cache size: 1424, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.6ms, 55 PlacesBefore, 55 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 162 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 132 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1486, Positive cache size: 1424, Positive conditional cache size: 0, Positive unconditional cache size: 1424, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.7ms, 59 PlacesBefore, 59 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 160 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 80, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 80, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1486, Positive cache size: 1424, Positive conditional cache size: 0, Positive unconditional cache size: 1424, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.7ms, 64 PlacesBefore, 64 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 200 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 95, positive: 90, positive conditional: 0, positive unconditional: 90, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 95, positive: 90, positive conditional: 0, positive unconditional: 90, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1486, Positive cache size: 1424, Positive conditional cache size: 0, Positive unconditional cache size: 1424, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63.0ms, 76 PlacesBefore, 75 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 550 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 88, positive conditional: 0, positive unconditional: 88, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 99, positive: 88, positive conditional: 0, positive unconditional: 88, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1486, Positive cache size: 1424, Positive conditional cache size: 0, Positive unconditional cache size: 1424, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.9ms, 81 PlacesBefore, 81 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 262 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 693 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 44, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1486, Positive cache size: 1424, Positive conditional cache size: 0, Positive unconditional cache size: 1424, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 917.5ms, 83 PlacesBefore, 80 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 803 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1532, Positive cache size: 1470, Positive conditional cache size: 0, Positive unconditional cache size: 1470, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.9ms, 81 PlacesBefore, 81 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 444 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1532, Positive cache size: 1470, Positive conditional cache size: 0, Positive unconditional cache size: 1470, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.0ms, 83 PlacesBefore, 82 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 444 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1532, Positive cache size: 1470, Positive conditional cache size: 0, Positive unconditional cache size: 1470, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.1ms, 82 PlacesBefore, 81 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 280 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1532, Positive cache size: 1470, Positive conditional cache size: 0, Positive unconditional cache size: 1470, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.6ms, 87 PlacesBefore, 83 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 92 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 270 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1532, Positive cache size: 1470, Positive conditional cache size: 0, Positive unconditional cache size: 1470, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.9ms, 86 PlacesBefore, 81 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 225 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1532, Positive cache size: 1470, Positive conditional cache size: 0, Positive unconditional cache size: 1470, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.3ms, 85 PlacesBefore, 81 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 44 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 52 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1532, Positive cache size: 1470, Positive conditional cache size: 0, Positive unconditional cache size: 1470, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.4ms, 72 PlacesBefore, 61 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1532, Positive cache size: 1470, Positive conditional cache size: 0, Positive unconditional cache size: 1470, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.7ms, 47 PlacesBefore, 46 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 18 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: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1532, Positive cache size: 1470, Positive conditional cache size: 0, Positive unconditional cache size: 1470, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6ms, 43 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1532, Positive cache size: 1470, Positive conditional cache size: 0, Positive unconditional cache size: 1470, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 29817.2ms, OverallIterations: 22, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5433.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18196.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 121 SDtfs, 186 SDslu, 146 SDs, 0 SdLazy, 1412 SolverSat, 372 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2213.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 2748.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1266occurred in iteration=12, InterpolantAutomatonStates: 153, 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: 87.0ms SsaConstructionTime, 672.8ms SatisfiabilityAnalysisTime, 3238.3ms InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 234 ConstructedInterpolants, 0 QuantifiedInterpolants, 2742 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...