/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/mix057_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 06:24:41,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 06:24:41,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 06:24:41,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 06:24:41,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 06:24:41,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 06:24:41,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 06:24:41,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 06:24:41,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 06:24:41,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 06:24:41,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 06:24:41,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 06:24:41,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 06:24:41,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 06:24:41,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 06:24:41,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 06:24:41,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 06:24:41,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 06:24:42,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 06:24:42,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 06:24:42,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 06:24:42,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 06:24:42,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 06:24:42,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 06:24:42,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 06:24:42,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 06:24:42,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 06:24:42,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 06:24:42,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 06:24:42,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 06:24:42,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 06:24:42,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 06:24:42,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 06:24:42,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 06:24:42,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 06:24:42,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 06:24:42,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 06:24:42,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 06:24:42,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 06:24:42,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 06:24:42,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 06:24:42,022 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 06:24:42,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 06:24:42,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 06:24:42,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 06:24:42,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 06:24:42,051 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 06:24:42,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 06:24:42,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 06:24:42,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 06:24:42,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 06:24:42,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 06:24:42,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 06:24:42,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 06:24:42,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 06:24:42,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 06:24:42,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 06:24:42,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 06:24:42,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 06:24:42,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 06:24:42,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 06:24:42,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 06:24:42,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 06:24:42,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:24:42,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 06:24:42,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 06:24:42,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 06:24:42,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 06:24:42,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 06:24:42,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 06:24:42,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 06:24:42,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 06:24:42,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 06:24:42,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 06:24:42,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 06:24:42,350 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 06:24:42,350 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 06:24:42,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix057_pso.opt.i [2021-06-11 06:24:42,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a5ade45/036de0264b3e466c947b1c79851fbbe0/FLAG54ee61463 [2021-06-11 06:24:42,837 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 06:24:42,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix057_pso.opt.i [2021-06-11 06:24:42,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a5ade45/036de0264b3e466c947b1c79851fbbe0/FLAG54ee61463 [2021-06-11 06:24:42,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a5ade45/036de0264b3e466c947b1c79851fbbe0 [2021-06-11 06:24:42,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 06:24:42,862 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 06:24:42,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 06:24:42,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 06:24:42,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 06:24:42,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:24:42" (1/1) ... [2021-06-11 06:24:42,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f580c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:42, skipping insertion in model container [2021-06-11 06:24:42,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:24:42" (1/1) ... [2021-06-11 06:24:42,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 06:24:42,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 06:24:43,077 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/mix057_pso.opt.i[948,961] [2021-06-11 06:24:43,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:24:43,201 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 06:24:43,211 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/mix057_pso.opt.i[948,961] [2021-06-11 06:24:43,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:24:43,297 INFO L208 MainTranslator]: Completed translation [2021-06-11 06:24:43,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:43 WrapperNode [2021-06-11 06:24:43,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 06:24:43,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 06:24:43,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 06:24:43,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 06:24:43,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:43" (1/1) ... [2021-06-11 06:24:43,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:43" (1/1) ... [2021-06-11 06:24:43,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 06:24:43,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 06:24:43,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 06:24:43,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 06:24:43,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:43" (1/1) ... [2021-06-11 06:24:43,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:43" (1/1) ... [2021-06-11 06:24:43,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:43" (1/1) ... [2021-06-11 06:24:43,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:43" (1/1) ... [2021-06-11 06:24:43,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:43" (1/1) ... [2021-06-11 06:24:43,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:43" (1/1) ... [2021-06-11 06:24:43,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:43" (1/1) ... [2021-06-11 06:24:43,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 06:24:43,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 06:24:43,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 06:24:43,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 06:24:43,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:43" (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 06:24:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 06:24:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 06:24:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 06:24:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 06:24:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 06:24:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 06:24:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 06:24:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 06:24:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 06:24:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 06:24:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-11 06:24:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-11 06:24:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 06:24:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 06:24:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 06:24:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 06:24:43,411 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 06:24:44,831 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 06:24:44,831 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 06:24:44,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:24:44 BoogieIcfgContainer [2021-06-11 06:24:44,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 06:24:44,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 06:24:44,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 06:24:44,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 06:24:44,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:24:42" (1/3) ... [2021-06-11 06:24:44,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec9f96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:24:44, skipping insertion in model container [2021-06-11 06:24:44,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:24:43" (2/3) ... [2021-06-11 06:24:44,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec9f96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:24:44, skipping insertion in model container [2021-06-11 06:24:44,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:24:44" (3/3) ... [2021-06-11 06:24:44,838 INFO L111 eAbstractionObserver]: Analyzing ICFG mix057_pso.opt.i [2021-06-11 06:24:44,844 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 06:24:44,847 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 06:24:44,848 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 06:24:44,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,878 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,878 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,879 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,879 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,879 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,879 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,879 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,879 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,879 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,879 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,880 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,880 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,882 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,882 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,882 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,882 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,886 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,887 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,887 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,887 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,887 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,887 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,888 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,888 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,893 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,893 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,896 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,896 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,897 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,898 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,900 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,901 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,909 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,909 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,909 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,909 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,910 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,911 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:24:44,911 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 06:24:44,923 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 06:24:44,943 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 06:24:44,944 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 06:24:44,944 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 06:24:44,944 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 06:24:44,944 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 06:24:44,944 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 06:24:44,944 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 06:24:44,944 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 06:24:44,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow [2021-06-11 06:24:45,000 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-06-11 06:24:45,000 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:24:45,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-06-11 06:24:45,004 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 112 transitions, 244 flow [2021-06-11 06:24:45,007 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 108 transitions, 228 flow [2021-06-11 06:24:45,008 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:24:45,015 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 108 transitions, 228 flow [2021-06-11 06:24:45,018 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 108 transitions, 228 flow [2021-06-11 06:24:45,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 108 transitions, 228 flow [2021-06-11 06:24:45,031 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-06-11 06:24:45,032 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:24:45,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-06-11 06:24:45,034 INFO L151 LiptonReduction]: Number of co-enabled transitions 2406 [2021-06-11 06:24:45,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:45,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:45,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:45,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:45,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:45,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:45,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:45,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:45,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:45,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:45,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:45,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:45,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:45,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:45,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:45,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:45,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:45,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:45,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:45,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:45,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:45,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:45,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:45,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:24:45,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:24:46,208 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-06-11 06:24:46,493 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-06-11 06:24:47,754 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-06-11 06:24:48,298 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-06-11 06:24:48,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:48,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:24:48,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:24:48,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:48,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:24:48,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:24:48,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,769 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:24:48,769 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:24:48,788 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:48,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:48,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:24:48,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:24:48,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:48,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:49,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:24:49,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:24:49,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,201 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 06:24:49,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:49,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:49,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:50,085 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 06:24:50,508 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-06-11 06:24:50,656 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-11 06:24:50,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:50,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:50,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:50,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 06:24:50,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:50,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:50,676 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-11 06:24:50,676 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:24:50,678 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:50,679 INFO L147 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size 63 [2021-06-11 06:24:50,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:50,681 INFO L142 QuantifierPusher]: treesize reduction 37, result has 76.9 percent of original size [2021-06-11 06:24:50,681 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 2, 1] term [2021-06-11 06:24:50,682 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:24:50,683 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:50,684 INFO L147 QuantifierPusher]: treesize reduction 89, result has 36.0 percent of original size 50 [2021-06-11 06:24:50,685 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 4, 2, 1] term [2021-06-11 06:24:50,685 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:24:50,686 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:50,688 INFO L147 QuantifierPusher]: treesize reduction 154, result has 42.1 percent of original size 112 [2021-06-11 06:24:50,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:50,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:50,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:50,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:50,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:50,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:24:50,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:24:50,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:50,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:51,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:51,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:51,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:51,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:51,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:24:51,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:24:51,244 INFO L142 QuantifierPusher]: treesize reduction 12, result has 98.2 percent of original size [2021-06-11 06:24:51,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-06-11 06:24:51,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,256 INFO L147 QuantifierPusher]: treesize reduction 29, result has 3.3 percent of original size 1 [2021-06-11 06:24:51,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:51,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,261 INFO L142 QuantifierPusher]: treesize reduction 31, result has 73.7 percent of original size [2021-06-11 06:24:51,263 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-06-11 06:24:51,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,271 INFO L147 QuantifierPusher]: treesize reduction 13, result has 82.4 percent of original size 61 [2021-06-11 06:24:51,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 06:24:51,277 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 4, 4, 3, 2, 1] term [2021-06-11 06:24:51,277 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:24:51,278 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,279 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 4, 3, 2, 1] term [2021-06-11 06:24:51,279 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:24:51,280 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,281 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 4, 3, 2, 1] term [2021-06-11 06:24:51,281 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:24:51,282 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,291 INFO L147 QuantifierPusher]: treesize reduction 261, result has 41.7 percent of original size 187 [2021-06-11 06:24:51,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:51,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:51,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:51,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:51,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:24:51,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:24:51,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 06:24:51,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 06:24:51,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 06:24:51,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 06:24:51,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,735 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 06:24:51,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:51,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:51,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:51,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:24:51,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:24:52,198 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-06-11 06:24:52,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:52,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:52,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:52,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:24:52,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:24:52,687 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-06-11 06:24:52,825 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-11 06:24:53,126 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-06-11 06:24:53,252 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-11 06:24:53,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:53,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:24:53,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:53,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:24:53,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:24:53,287 INFO L163 LiptonReduction]: Checked pairs total: 6317 [2021-06-11 06:24:53,287 INFO L165 LiptonReduction]: Total number of compositions: 96 [2021-06-11 06:24:53,289 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8282 [2021-06-11 06:24:53,299 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-06-11 06:24:53,299 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:24:53,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:24:53,300 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:24:53,300 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:24:53,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:24:53,304 INFO L82 PathProgramCache]: Analyzing trace with hash -84277167, now seen corresponding path program 1 times [2021-06-11 06:24:53,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:24:53,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592800595] [2021-06-11 06:24:53,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:24:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:24:53,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:53,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:24:53,419 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 06:24:53,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592800595] [2021-06-11 06:24:53,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:24:53,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:24:53,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987576979] [2021-06-11 06:24:53,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:24:53,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:24:53,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:24:53,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:24:53,437 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 208 [2021-06-11 06:24:53,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 31 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 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 06:24:53,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:24:53,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 208 [2021-06-11 06:24:53,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:24:53,496 INFO L129 PetriNetUnfolder]: 16/69 cut-off events. [2021-06-11 06:24:53,496 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:24:53,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 69 events. 16/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 221 event pairs, 2 based on Foata normal form. 12/78 useless extension candidates. Maximal degree in co-relation 106. Up to 27 conditions per place. [2021-06-11 06:24:53,498 INFO L132 encePairwiseOnDemand]: 203/208 looper letters, 7 selfloop transitions, 2 changer transitions 0/31 dead transitions. [2021-06-11 06:24:53,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 31 transitions, 92 flow [2021-06-11 06:24:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:24:53,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:24:53,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 536 transitions. [2021-06-11 06:24:53,512 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8589743589743589 [2021-06-11 06:24:53,513 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 536 transitions. [2021-06-11 06:24:53,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 536 transitions. [2021-06-11 06:24:53,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:24:53,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 536 transitions. [2021-06-11 06:24:53,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 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 06:24:53,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:24:53,528 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:24:53,529 INFO L185 Difference]: Start difference. First operand has 43 places, 31 transitions, 74 flow. Second operand 3 states and 536 transitions. [2021-06-11 06:24:53,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 31 transitions, 92 flow [2021-06-11 06:24:53,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 31 transitions, 88 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 06:24:53,532 INFO L241 Difference]: Finished difference. Result has 39 places, 28 transitions, 68 flow [2021-06-11 06:24:53,533 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=39, PETRI_TRANSITIONS=28} [2021-06-11 06:24:53,534 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, -4 predicate places. [2021-06-11 06:24:53,534 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:24:53,534 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 28 transitions, 68 flow [2021-06-11 06:24:53,534 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 28 transitions, 68 flow [2021-06-11 06:24:53,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 68 flow [2021-06-11 06:24:53,538 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-06-11 06:24:53,538 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:24:53,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 06:24:53,539 INFO L151 LiptonReduction]: Number of co-enabled transitions 390 [2021-06-11 06:24:54,087 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-11 06:24:54,628 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-11 06:24:56,674 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 290 DAG size of output: 288 [2021-06-11 06:24:57,673 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2021-06-11 06:24:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:57,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:24:57,987 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-06-11 06:24:58,276 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-06-11 06:24:58,925 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-11 06:24:59,548 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-11 06:24:59,806 INFO L163 LiptonReduction]: Checked pairs total: 874 [2021-06-11 06:24:59,807 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 06:24:59,807 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6273 [2021-06-11 06:24:59,811 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 66 flow [2021-06-11 06:24:59,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 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 06:24:59,812 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:24:59,812 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:24:59,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 06:24:59,812 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:24:59,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:24:59,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1857176670, now seen corresponding path program 1 times [2021-06-11 06:24:59,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:24:59,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407286546] [2021-06-11 06:24:59,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:24:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:24:59,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:24:59,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:24:59,891 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 06:24:59,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:24:59,894 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 06:24:59,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407286546] [2021-06-11 06:24:59,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:24:59,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:24:59,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341709658] [2021-06-11 06:24:59,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:24:59,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:24:59,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:24:59,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:24:59,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 210 [2021-06-11 06:24:59,897 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 66 flow. Second operand has 4 states, 4 states have (on average 170.75) internal successors, (683), 4 states have internal predecessors, (683), 0 states have call successors, (0), 0 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 06:24:59,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:24:59,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 210 [2021-06-11 06:24:59,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:24:59,931 INFO L129 PetriNetUnfolder]: 7/46 cut-off events. [2021-06-11 06:24:59,931 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:24:59,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 46 events. 7/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 114 event pairs, 1 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 68. Up to 10 conditions per place. [2021-06-11 06:24:59,932 INFO L132 encePairwiseOnDemand]: 205/210 looper letters, 3 selfloop transitions, 3 changer transitions 6/34 dead transitions. [2021-06-11 06:24:59,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 104 flow [2021-06-11 06:24:59,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:24:59,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:24:59,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 863 transitions. [2021-06-11 06:24:59,934 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8219047619047619 [2021-06-11 06:24:59,934 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 863 transitions. [2021-06-11 06:24:59,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 863 transitions. [2021-06-11 06:24:59,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:24:59,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 863 transitions. [2021-06-11 06:24:59,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.6) internal successors, (863), 5 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 06:24:59,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 06:24:59,938 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 06:24:59,938 INFO L185 Difference]: Start difference. First operand has 38 places, 27 transitions, 66 flow. Second operand 5 states and 863 transitions. [2021-06-11 06:24:59,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 104 flow [2021-06-11 06:24:59,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 34 transitions, 100 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:24:59,939 INFO L241 Difference]: Finished difference. Result has 42 places, 28 transitions, 83 flow [2021-06-11 06:24:59,939 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=83, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2021-06-11 06:24:59,939 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, -1 predicate places. [2021-06-11 06:24:59,940 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:24:59,940 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 28 transitions, 83 flow [2021-06-11 06:24:59,940 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 28 transitions, 83 flow [2021-06-11 06:24:59,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 83 flow [2021-06-11 06:24:59,943 INFO L129 PetriNetUnfolder]: 3/34 cut-off events. [2021-06-11 06:24:59,944 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 06:24:59,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 34 events. 3/34 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 71 event pairs, 1 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 53. Up to 10 conditions per place. [2021-06-11 06:24:59,944 INFO L151 LiptonReduction]: Number of co-enabled transitions 376 [2021-06-11 06:24:59,947 INFO L163 LiptonReduction]: Checked pairs total: 338 [2021-06-11 06:24:59,947 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:24:59,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-06-11 06:24:59,947 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 83 flow [2021-06-11 06:24:59,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 170.75) internal successors, (683), 4 states have internal predecessors, (683), 0 states have call successors, (0), 0 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 06:24:59,948 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:24:59,948 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:24:59,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 06:24:59,948 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:24:59,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:24:59,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1857177349, now seen corresponding path program 1 times [2021-06-11 06:24:59,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:24:59,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411395358] [2021-06-11 06:24:59,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:24:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:00,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:00,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:00,020 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 06:25:00,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411395358] [2021-06-11 06:25:00,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:00,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:25:00,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842941489] [2021-06-11 06:25:00,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:25:00,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:00,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:25:00,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:25:00,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 210 [2021-06-11 06:25:00,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 83 flow. Second operand has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 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 06:25:00,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:00,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 210 [2021-06-11 06:25:00,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:00,037 INFO L129 PetriNetUnfolder]: 10/59 cut-off events. [2021-06-11 06:25:00,037 INFO L130 PetriNetUnfolder]: For 16/25 co-relation queries the response was YES. [2021-06-11 06:25:00,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 59 events. 10/59 cut-off events. For 16/25 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 181 event pairs, 3 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 106. Up to 19 conditions per place. [2021-06-11 06:25:00,039 INFO L132 encePairwiseOnDemand]: 206/210 looper letters, 3 selfloop transitions, 3 changer transitions 0/30 dead transitions. [2021-06-11 06:25:00,040 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 30 transitions, 99 flow [2021-06-11 06:25:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:25:00,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:25:00,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 544 transitions. [2021-06-11 06:25:00,042 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8634920634920635 [2021-06-11 06:25:00,042 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 544 transitions. [2021-06-11 06:25:00,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 544 transitions. [2021-06-11 06:25:00,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:00,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 544 transitions. [2021-06-11 06:25:00,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:25:00,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 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 06:25:00,045 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 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 06:25:00,045 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 83 flow. Second operand 3 states and 544 transitions. [2021-06-11 06:25:00,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 30 transitions, 99 flow [2021-06-11 06:25:00,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 30 transitions, 92 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-06-11 06:25:00,046 INFO L241 Difference]: Finished difference. Result has 40 places, 30 transitions, 95 flow [2021-06-11 06:25:00,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=40, PETRI_TRANSITIONS=30} [2021-06-11 06:25:00,046 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2021-06-11 06:25:00,046 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:00,046 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 30 transitions, 95 flow [2021-06-11 06:25:00,046 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 30 transitions, 95 flow [2021-06-11 06:25:00,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 95 flow [2021-06-11 06:25:00,051 INFO L129 PetriNetUnfolder]: 7/46 cut-off events. [2021-06-11 06:25:00,051 INFO L130 PetriNetUnfolder]: For 7/9 co-relation queries the response was YES. [2021-06-11 06:25:00,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 46 events. 7/46 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 137 event pairs, 3 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 79. Up to 15 conditions per place. [2021-06-11 06:25:00,051 INFO L151 LiptonReduction]: Number of co-enabled transitions 430 [2021-06-11 06:25:00,053 INFO L163 LiptonReduction]: Checked pairs total: 280 [2021-06-11 06:25:00,053 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:00,053 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-06-11 06:25:00,054 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 95 flow [2021-06-11 06:25:00,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 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 06:25:00,054 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:00,054 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:00,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 06:25:00,054 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:00,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:00,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1334246578, now seen corresponding path program 1 times [2021-06-11 06:25:00,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:00,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441267507] [2021-06-11 06:25:00,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:00,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:00,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:25:00,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:00,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:25:00,120 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 06:25:00,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441267507] [2021-06-11 06:25:00,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:00,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:25:00,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144946614] [2021-06-11 06:25:00,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:25:00,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:00,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:25:00,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:25:00,122 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 210 [2021-06-11 06:25:00,122 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 95 flow. Second operand has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 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 06:25:00,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:00,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 210 [2021-06-11 06:25:00,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:00,177 INFO L129 PetriNetUnfolder]: 131/270 cut-off events. [2021-06-11 06:25:00,178 INFO L130 PetriNetUnfolder]: For 93/117 co-relation queries the response was YES. [2021-06-11 06:25:00,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 270 events. 131/270 cut-off events. For 93/117 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1317 event pairs, 72 based on Foata normal form. 3/232 useless extension candidates. Maximal degree in co-relation 588. Up to 169 conditions per place. [2021-06-11 06:25:00,180 INFO L132 encePairwiseOnDemand]: 206/210 looper letters, 7 selfloop transitions, 3 changer transitions 0/33 dead transitions. [2021-06-11 06:25:00,180 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 33 transitions, 121 flow [2021-06-11 06:25:00,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:25:00,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:25:00,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 500 transitions. [2021-06-11 06:25:00,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7936507936507936 [2021-06-11 06:25:00,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 500 transitions. [2021-06-11 06:25:00,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 500 transitions. [2021-06-11 06:25:00,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:00,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 500 transitions. [2021-06-11 06:25:00,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 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 06:25:00,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 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 06:25:00,184 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 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 06:25:00,184 INFO L185 Difference]: Start difference. First operand has 40 places, 30 transitions, 95 flow. Second operand 3 states and 500 transitions. [2021-06-11 06:25:00,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 33 transitions, 121 flow [2021-06-11 06:25:00,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 33 transitions, 118 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:25:00,186 INFO L241 Difference]: Finished difference. Result has 42 places, 32 transitions, 111 flow [2021-06-11 06:25:00,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=42, PETRI_TRANSITIONS=32} [2021-06-11 06:25:00,186 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, -1 predicate places. [2021-06-11 06:25:00,186 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:00,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 32 transitions, 111 flow [2021-06-11 06:25:00,186 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 32 transitions, 111 flow [2021-06-11 06:25:00,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 32 transitions, 111 flow [2021-06-11 06:25:00,193 INFO L129 PetriNetUnfolder]: 19/78 cut-off events. [2021-06-11 06:25:00,194 INFO L130 PetriNetUnfolder]: For 42/47 co-relation queries the response was YES. [2021-06-11 06:25:00,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 78 events. 19/78 cut-off events. For 42/47 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 319 event pairs, 10 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 163. Up to 28 conditions per place. [2021-06-11 06:25:00,195 INFO L151 LiptonReduction]: Number of co-enabled transitions 468 [2021-06-11 06:25:00,197 INFO L163 LiptonReduction]: Checked pairs total: 218 [2021-06-11 06:25:00,197 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:00,197 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-06-11 06:25:00,197 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 32 transitions, 111 flow [2021-06-11 06:25:00,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 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 06:25:00,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:00,198 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:00,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 06:25:00,198 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:00,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:00,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1044980218, now seen corresponding path program 1 times [2021-06-11 06:25:00,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:00,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731196064] [2021-06-11 06:25:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:00,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:00,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:25:00,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:00,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:00,289 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 06:25:00,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731196064] [2021-06-11 06:25:00,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:00,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:25:00,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609307721] [2021-06-11 06:25:00,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:25:00,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:00,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:25:00,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:25:00,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 210 [2021-06-11 06:25:00,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 32 transitions, 111 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:25:00,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:00,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 210 [2021-06-11 06:25:00,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:00,308 INFO L129 PetriNetUnfolder]: 18/107 cut-off events. [2021-06-11 06:25:00,308 INFO L130 PetriNetUnfolder]: For 114/170 co-relation queries the response was YES. [2021-06-11 06:25:00,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 107 events. 18/107 cut-off events. For 114/170 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 512 event pairs, 6 based on Foata normal form. 5/100 useless extension candidates. Maximal degree in co-relation 227. Up to 34 conditions per place. [2021-06-11 06:25:00,309 INFO L132 encePairwiseOnDemand]: 207/210 looper letters, 3 selfloop transitions, 3 changer transitions 0/32 dead transitions. [2021-06-11 06:25:00,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 32 transitions, 123 flow [2021-06-11 06:25:00,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:25:00,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:25:00,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2021-06-11 06:25:00,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.861904761904762 [2021-06-11 06:25:00,311 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 543 transitions. [2021-06-11 06:25:00,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 543 transitions. [2021-06-11 06:25:00,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:00,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 543 transitions. [2021-06-11 06:25:00,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 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 06:25:00,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 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 06:25:00,314 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 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 06:25:00,314 INFO L185 Difference]: Start difference. First operand has 42 places, 32 transitions, 111 flow. Second operand 3 states and 543 transitions. [2021-06-11 06:25:00,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 32 transitions, 123 flow [2021-06-11 06:25:00,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 32 transitions, 120 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:25:00,315 INFO L241 Difference]: Finished difference. Result has 44 places, 32 transitions, 119 flow [2021-06-11 06:25:00,315 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=44, PETRI_TRANSITIONS=32} [2021-06-11 06:25:00,315 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 1 predicate places. [2021-06-11 06:25:00,315 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:00,315 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 32 transitions, 119 flow [2021-06-11 06:25:00,316 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 32 transitions, 119 flow [2021-06-11 06:25:00,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 32 transitions, 119 flow [2021-06-11 06:25:00,323 INFO L129 PetriNetUnfolder]: 15/85 cut-off events. [2021-06-11 06:25:00,323 INFO L130 PetriNetUnfolder]: For 72/81 co-relation queries the response was YES. [2021-06-11 06:25:00,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 85 events. 15/85 cut-off events. For 72/81 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 388 event pairs, 7 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 186. Up to 29 conditions per place. [2021-06-11 06:25:00,324 INFO L151 LiptonReduction]: Number of co-enabled transitions 468 [2021-06-11 06:25:00,398 INFO L163 LiptonReduction]: Checked pairs total: 218 [2021-06-11 06:25:00,398 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:00,398 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-06-11 06:25:00,399 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 32 transitions, 119 flow [2021-06-11 06:25:00,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:25:00,399 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:00,399 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:00,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 06:25:00,399 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:00,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:00,400 INFO L82 PathProgramCache]: Analyzing trace with hash 964613071, now seen corresponding path program 1 times [2021-06-11 06:25:00,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:00,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333324828] [2021-06-11 06:25:00,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:00,437 INFO L142 QuantifierPusher]: treesize reduction 14, result has 44.0 percent of original size [2021-06-11 06:25:00,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 06:25:00,443 INFO L142 QuantifierPusher]: treesize reduction 10, result has 65.5 percent of original size [2021-06-11 06:25:00,444 INFO L147 QuantifierPusher]: treesize reduction 5, result has 73.7 percent of original size 14 [2021-06-11 06:25:00,458 INFO L142 QuantifierPusher]: treesize reduction 10, result has 67.7 percent of original size [2021-06-11 06:25:00,458 INFO L147 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size 18 [2021-06-11 06:25:00,474 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 06:25:00,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333324828] [2021-06-11 06:25:00,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:00,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:25:00,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020172323] [2021-06-11 06:25:00,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:25:00,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:00,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:25:00,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:25:00,476 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 210 [2021-06-11 06:25:00,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 32 transitions, 119 flow. Second operand has 5 states, 5 states have (on average 165.8) internal successors, (829), 5 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:25:00,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:00,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 210 [2021-06-11 06:25:00,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:00,564 INFO L129 PetriNetUnfolder]: 94/252 cut-off events. [2021-06-11 06:25:00,564 INFO L130 PetriNetUnfolder]: For 404/468 co-relation queries the response was YES. [2021-06-11 06:25:00,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 644 conditions, 252 events. 94/252 cut-off events. For 404/468 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1371 event pairs, 35 based on Foata normal form. 13/238 useless extension candidates. Maximal degree in co-relation 629. Up to 128 conditions per place. [2021-06-11 06:25:00,566 INFO L132 encePairwiseOnDemand]: 204/210 looper letters, 7 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2021-06-11 06:25:00,566 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 37 transitions, 159 flow [2021-06-11 06:25:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:25:00,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:25:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 675 transitions. [2021-06-11 06:25:00,567 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8035714285714286 [2021-06-11 06:25:00,567 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 675 transitions. [2021-06-11 06:25:00,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 675 transitions. [2021-06-11 06:25:00,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:00,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 675 transitions. [2021-06-11 06:25:00,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 168.75) internal successors, (675), 4 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 06:25:00,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 0 states have call successors, (0), 0 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 06:25:00,571 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 0 states have call successors, (0), 0 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 06:25:00,571 INFO L185 Difference]: Start difference. First operand has 44 places, 32 transitions, 119 flow. Second operand 4 states and 675 transitions. [2021-06-11 06:25:00,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 37 transitions, 159 flow [2021-06-11 06:25:00,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 37 transitions, 154 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 06:25:00,574 INFO L241 Difference]: Finished difference. Result has 48 places, 35 transitions, 154 flow [2021-06-11 06:25:00,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=154, PETRI_PLACES=48, PETRI_TRANSITIONS=35} [2021-06-11 06:25:00,575 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 5 predicate places. [2021-06-11 06:25:00,575 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:00,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 35 transitions, 154 flow [2021-06-11 06:25:00,575 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 35 transitions, 154 flow [2021-06-11 06:25:00,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 35 transitions, 154 flow [2021-06-11 06:25:00,588 INFO L129 PetriNetUnfolder]: 34/116 cut-off events. [2021-06-11 06:25:00,588 INFO L130 PetriNetUnfolder]: For 166/177 co-relation queries the response was YES. [2021-06-11 06:25:00,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 116 events. 34/116 cut-off events. For 166/177 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 521 event pairs, 16 based on Foata normal form. 1/99 useless extension candidates. Maximal degree in co-relation 340. Up to 47 conditions per place. [2021-06-11 06:25:00,590 INFO L151 LiptonReduction]: Number of co-enabled transitions 518 [2021-06-11 06:25:00,626 INFO L163 LiptonReduction]: Checked pairs total: 172 [2021-06-11 06:25:00,626 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:00,626 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-06-11 06:25:00,627 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 35 transitions, 154 flow [2021-06-11 06:25:00,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 165.8) internal successors, (829), 5 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:25:00,628 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:00,628 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:00,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 06:25:00,628 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:00,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:00,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1344288447, now seen corresponding path program 1 times [2021-06-11 06:25:00,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:00,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338997836] [2021-06-11 06:25:00,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:00,717 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 06:25:00,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 06:25:00,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:00,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 06:25:00,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:00,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 06:25:00,767 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 06:25:00,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338997836] [2021-06-11 06:25:00,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:00,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:25:00,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828781349] [2021-06-11 06:25:00,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:25:00,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:00,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:25:00,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:25:00,769 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 210 [2021-06-11 06:25:00,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 35 transitions, 154 flow. Second operand has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 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 06:25:00,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:00,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 210 [2021-06-11 06:25:00,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:00,825 INFO L129 PetriNetUnfolder]: 83/232 cut-off events. [2021-06-11 06:25:00,825 INFO L130 PetriNetUnfolder]: For 465/516 co-relation queries the response was YES. [2021-06-11 06:25:00,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 734 conditions, 232 events. 83/232 cut-off events. For 465/516 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1221 event pairs, 14 based on Foata normal form. 4/213 useless extension candidates. Maximal degree in co-relation 716. Up to 133 conditions per place. [2021-06-11 06:25:00,827 INFO L132 encePairwiseOnDemand]: 206/210 looper letters, 11 selfloop transitions, 4 changer transitions 0/38 dead transitions. [2021-06-11 06:25:00,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 38 transitions, 194 flow [2021-06-11 06:25:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:25:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:25:00,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 516 transitions. [2021-06-11 06:25:00,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.819047619047619 [2021-06-11 06:25:00,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 516 transitions. [2021-06-11 06:25:00,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 516 transitions. [2021-06-11 06:25:00,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:00,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 516 transitions. [2021-06-11 06:25:00,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 0 states have call successors, (0), 0 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 06:25:00,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 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 06:25:00,832 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 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 06:25:00,832 INFO L185 Difference]: Start difference. First operand has 48 places, 35 transitions, 154 flow. Second operand 3 states and 516 transitions. [2021-06-11 06:25:00,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 38 transitions, 194 flow [2021-06-11 06:25:00,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 38 transitions, 188 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 06:25:00,835 INFO L241 Difference]: Finished difference. Result has 50 places, 37 transitions, 172 flow [2021-06-11 06:25:00,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=50, PETRI_TRANSITIONS=37} [2021-06-11 06:25:00,835 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 7 predicate places. [2021-06-11 06:25:00,835 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:00,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 37 transitions, 172 flow [2021-06-11 06:25:00,836 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 37 transitions, 172 flow [2021-06-11 06:25:00,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 37 transitions, 172 flow [2021-06-11 06:25:00,853 INFO L129 PetriNetUnfolder]: 59/173 cut-off events. [2021-06-11 06:25:00,853 INFO L130 PetriNetUnfolder]: For 411/429 co-relation queries the response was YES. [2021-06-11 06:25:00,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 173 events. 59/173 cut-off events. For 411/429 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 872 event pairs, 18 based on Foata normal form. 1/144 useless extension candidates. Maximal degree in co-relation 558. Up to 65 conditions per place. [2021-06-11 06:25:00,855 INFO L151 LiptonReduction]: Number of co-enabled transitions 558 [2021-06-11 06:25:00,859 INFO L163 LiptonReduction]: Checked pairs total: 144 [2021-06-11 06:25:00,859 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:00,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-06-11 06:25:00,860 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 37 transitions, 172 flow [2021-06-11 06:25:00,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 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 06:25:00,860 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:00,860 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:00,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 06:25:00,860 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:00,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:00,861 INFO L82 PathProgramCache]: Analyzing trace with hash -600894915, now seen corresponding path program 1 times [2021-06-11 06:25:00,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:00,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937063570] [2021-06-11 06:25:00,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:00,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:00,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:00,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:00,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:00,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:00,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:25:00,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:00,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:25:00,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:25:00,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937063570] [2021-06-11 06:25:00,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:00,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:25:00,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470146738] [2021-06-11 06:25:00,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:25:00,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:00,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:25:00,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:25:00,940 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 210 [2021-06-11 06:25:00,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 37 transitions, 172 flow. Second operand has 5 states, 5 states have (on average 169.0) internal successors, (845), 5 states have internal predecessors, (845), 0 states have call successors, (0), 0 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 06:25:00,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:00,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 210 [2021-06-11 06:25:00,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:01,018 INFO L129 PetriNetUnfolder]: 108/279 cut-off events. [2021-06-11 06:25:01,018 INFO L130 PetriNetUnfolder]: For 715/753 co-relation queries the response was YES. [2021-06-11 06:25:01,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 279 events. 108/279 cut-off events. For 715/753 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1504 event pairs, 23 based on Foata normal form. 5/257 useless extension candidates. Maximal degree in co-relation 971. Up to 150 conditions per place. [2021-06-11 06:25:01,021 INFO L132 encePairwiseOnDemand]: 203/210 looper letters, 8 selfloop transitions, 13 changer transitions 0/44 dead transitions. [2021-06-11 06:25:01,021 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 44 transitions, 254 flow [2021-06-11 06:25:01,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:25:01,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:25:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 856 transitions. [2021-06-11 06:25:01,023 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8152380952380952 [2021-06-11 06:25:01,023 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 856 transitions. [2021-06-11 06:25:01,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 856 transitions. [2021-06-11 06:25:01,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:01,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 856 transitions. [2021-06-11 06:25:01,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 171.2) internal successors, (856), 5 states have internal predecessors, (856), 0 states have call successors, (0), 0 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 06:25:01,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 06:25:01,027 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 06:25:01,027 INFO L185 Difference]: Start difference. First operand has 50 places, 37 transitions, 172 flow. Second operand 5 states and 856 transitions. [2021-06-11 06:25:01,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 44 transitions, 254 flow [2021-06-11 06:25:01,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 44 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:25:01,029 INFO L241 Difference]: Finished difference. Result has 55 places, 43 transitions, 253 flow [2021-06-11 06:25:01,029 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=253, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2021-06-11 06:25:01,029 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 12 predicate places. [2021-06-11 06:25:01,029 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:01,029 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 43 transitions, 253 flow [2021-06-11 06:25:01,030 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 43 transitions, 253 flow [2021-06-11 06:25:01,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 43 transitions, 253 flow [2021-06-11 06:25:01,051 INFO L129 PetriNetUnfolder]: 77/210 cut-off events. [2021-06-11 06:25:01,051 INFO L130 PetriNetUnfolder]: For 671/688 co-relation queries the response was YES. [2021-06-11 06:25:01,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 836 conditions, 210 events. 77/210 cut-off events. For 671/688 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1041 event pairs, 21 based on Foata normal form. 2/183 useless extension candidates. Maximal degree in co-relation 815. Up to 86 conditions per place. [2021-06-11 06:25:01,053 INFO L151 LiptonReduction]: Number of co-enabled transitions 670 [2021-06-11 06:25:01,057 INFO L163 LiptonReduction]: Checked pairs total: 244 [2021-06-11 06:25:01,057 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:01,057 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-06-11 06:25:01,057 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 253 flow [2021-06-11 06:25:01,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 169.0) internal successors, (845), 5 states have internal predecessors, (845), 0 states have call successors, (0), 0 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 06:25:01,058 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:01,058 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:01,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 06:25:01,058 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:01,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:01,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1654321114, now seen corresponding path program 1 times [2021-06-11 06:25:01,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:01,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230148144] [2021-06-11 06:25:01,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:01,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:01,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:25:01,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:01,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:01,089 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 06:25:01,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230148144] [2021-06-11 06:25:01,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:01,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:25:01,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130537935] [2021-06-11 06:25:01,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:25:01,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:01,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:25:01,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:25:01,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 210 [2021-06-11 06:25:01,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 43 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:25:01,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:01,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 210 [2021-06-11 06:25:01,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:01,126 INFO L129 PetriNetUnfolder]: 76/260 cut-off events. [2021-06-11 06:25:01,126 INFO L130 PetriNetUnfolder]: For 2167/2418 co-relation queries the response was YES. [2021-06-11 06:25:01,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 260 events. 76/260 cut-off events. For 2167/2418 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1532 event pairs, 10 based on Foata normal form. 14/253 useless extension candidates. Maximal degree in co-relation 958. Up to 96 conditions per place. [2021-06-11 06:25:01,128 INFO L132 encePairwiseOnDemand]: 207/210 looper letters, 4 selfloop transitions, 3 changer transitions 0/43 dead transitions. [2021-06-11 06:25:01,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 43 transitions, 267 flow [2021-06-11 06:25:01,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:25:01,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:25:01,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2021-06-11 06:25:01,130 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.861904761904762 [2021-06-11 06:25:01,130 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 543 transitions. [2021-06-11 06:25:01,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 543 transitions. [2021-06-11 06:25:01,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:01,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 543 transitions. [2021-06-11 06:25:01,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 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 06:25:01,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 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 06:25:01,133 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 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 06:25:01,133 INFO L185 Difference]: Start difference. First operand has 55 places, 43 transitions, 253 flow. Second operand 3 states and 543 transitions. [2021-06-11 06:25:01,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 43 transitions, 267 flow [2021-06-11 06:25:01,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 43 transitions, 256 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-06-11 06:25:01,136 INFO L241 Difference]: Finished difference. Result has 57 places, 43 transitions, 255 flow [2021-06-11 06:25:01,136 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=57, PETRI_TRANSITIONS=43} [2021-06-11 06:25:01,136 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 14 predicate places. [2021-06-11 06:25:01,136 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:01,136 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 43 transitions, 255 flow [2021-06-11 06:25:01,136 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 43 transitions, 255 flow [2021-06-11 06:25:01,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 43 transitions, 255 flow [2021-06-11 06:25:01,162 INFO L129 PetriNetUnfolder]: 82/258 cut-off events. [2021-06-11 06:25:01,162 INFO L130 PetriNetUnfolder]: For 1354/1446 co-relation queries the response was YES. [2021-06-11 06:25:01,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 938 conditions, 258 events. 82/258 cut-off events. For 1354/1446 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1498 event pairs, 16 based on Foata normal form. 2/239 useless extension candidates. Maximal degree in co-relation 916. Up to 102 conditions per place. [2021-06-11 06:25:01,165 INFO L151 LiptonReduction]: Number of co-enabled transitions 670 [2021-06-11 06:25:01,168 INFO L163 LiptonReduction]: Checked pairs total: 244 [2021-06-11 06:25:01,168 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:01,168 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-06-11 06:25:01,169 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 43 transitions, 255 flow [2021-06-11 06:25:01,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:25:01,169 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:01,169 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:01,169 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 06:25:01,169 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:01,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:01,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1276728445, now seen corresponding path program 2 times [2021-06-11 06:25:01,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:01,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978988705] [2021-06-11 06:25:01,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:01,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:01,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:25:01,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:01,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:25:01,209 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-06-11 06:25:01,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 06:25:01,223 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-06-11 06:25:01,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 06:25:01,237 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 06:25:01,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978988705] [2021-06-11 06:25:01,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:01,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:25:01,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777297355] [2021-06-11 06:25:01,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:25:01,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:01,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:25:01,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:25:01,239 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 210 [2021-06-11 06:25:01,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 43 transitions, 255 flow. Second operand has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 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 06:25:01,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:01,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 210 [2021-06-11 06:25:01,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:01,361 INFO L129 PetriNetUnfolder]: 77/268 cut-off events. [2021-06-11 06:25:01,361 INFO L130 PetriNetUnfolder]: For 1769/1880 co-relation queries the response was YES. [2021-06-11 06:25:01,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1054 conditions, 268 events. 77/268 cut-off events. For 1769/1880 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1637 event pairs, 0 based on Foata normal form. 21/272 useless extension candidates. Maximal degree in co-relation 1030. Up to 100 conditions per place. [2021-06-11 06:25:01,363 INFO L132 encePairwiseOnDemand]: 204/210 looper letters, 12 selfloop transitions, 13 changer transitions 0/48 dead transitions. [2021-06-11 06:25:01,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 48 transitions, 326 flow [2021-06-11 06:25:01,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:25:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:25:01,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 994 transitions. [2021-06-11 06:25:01,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7888888888888889 [2021-06-11 06:25:01,366 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 994 transitions. [2021-06-11 06:25:01,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 994 transitions. [2021-06-11 06:25:01,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:01,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 994 transitions. [2021-06-11 06:25:01,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 165.66666666666666) internal successors, (994), 6 states have internal predecessors, (994), 0 states have call successors, (0), 0 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 06:25:01,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 210.0) internal successors, (1470), 7 states have internal predecessors, (1470), 0 states have call successors, (0), 0 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 06:25:01,371 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 210.0) internal successors, (1470), 7 states have internal predecessors, (1470), 0 states have call successors, (0), 0 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 06:25:01,372 INFO L185 Difference]: Start difference. First operand has 57 places, 43 transitions, 255 flow. Second operand 6 states and 994 transitions. [2021-06-11 06:25:01,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 48 transitions, 326 flow [2021-06-11 06:25:01,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 48 transitions, 321 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 06:25:01,374 INFO L241 Difference]: Finished difference. Result has 62 places, 44 transitions, 289 flow [2021-06-11 06:25:01,375 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=289, PETRI_PLACES=62, PETRI_TRANSITIONS=44} [2021-06-11 06:25:01,375 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 19 predicate places. [2021-06-11 06:25:01,375 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:01,375 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 44 transitions, 289 flow [2021-06-11 06:25:01,375 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 44 transitions, 289 flow [2021-06-11 06:25:01,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 44 transitions, 289 flow [2021-06-11 06:25:01,403 INFO L129 PetriNetUnfolder]: 69/252 cut-off events. [2021-06-11 06:25:01,404 INFO L130 PetriNetUnfolder]: For 1246/1301 co-relation queries the response was YES. [2021-06-11 06:25:01,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1019 conditions, 252 events. 69/252 cut-off events. For 1246/1301 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1566 event pairs, 16 based on Foata normal form. 2/236 useless extension candidates. Maximal degree in co-relation 995. Up to 92 conditions per place. [2021-06-11 06:25:01,407 INFO L151 LiptonReduction]: Number of co-enabled transitions 700 [2021-06-11 06:25:01,411 INFO L163 LiptonReduction]: Checked pairs total: 266 [2021-06-11 06:25:01,411 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:01,412 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-06-11 06:25:01,412 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 44 transitions, 289 flow [2021-06-11 06:25:01,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 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 06:25:01,412 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:01,412 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:01,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 06:25:01,413 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:01,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:01,413 INFO L82 PathProgramCache]: Analyzing trace with hash 898381000, now seen corresponding path program 1 times [2021-06-11 06:25:01,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:01,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44399746] [2021-06-11 06:25:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:01,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:01,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:25:01,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:01,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:25:01,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:01,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:25:01,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:01,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:25:01,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:01,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:25:01,518 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 06:25:01,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44399746] [2021-06-11 06:25:01,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:01,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:25:01,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437861501] [2021-06-11 06:25:01,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:25:01,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:01,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:25:01,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:25:01,520 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 210 [2021-06-11 06:25:01,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 44 transitions, 289 flow. Second operand 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 06:25:01,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:01,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 210 [2021-06-11 06:25:01,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:01,617 INFO L129 PetriNetUnfolder]: 80/283 cut-off events. [2021-06-11 06:25:01,617 INFO L130 PetriNetUnfolder]: For 1572/1635 co-relation queries the response was YES. [2021-06-11 06:25:01,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1278 conditions, 283 events. 80/283 cut-off events. For 1572/1635 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1750 event pairs, 14 based on Foata normal form. 7/273 useless extension candidates. Maximal degree in co-relation 1252. Up to 135 conditions per place. [2021-06-11 06:25:01,620 INFO L132 encePairwiseOnDemand]: 203/210 looper letters, 11 selfloop transitions, 12 changer transitions 0/46 dead transitions. [2021-06-11 06:25:01,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 46 transitions, 349 flow [2021-06-11 06:25:01,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:25:01,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:25:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 830 transitions. [2021-06-11 06:25:01,623 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7904761904761904 [2021-06-11 06:25:01,623 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 830 transitions. [2021-06-11 06:25:01,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 830 transitions. [2021-06-11 06:25:01,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:01,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 830 transitions. [2021-06-11 06:25:01,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 166.0) internal successors, (830), 5 states have internal predecessors, (830), 0 states have call successors, (0), 0 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 06:25:01,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 06:25:01,628 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 06:25:01,628 INFO L185 Difference]: Start difference. First operand has 62 places, 44 transitions, 289 flow. Second operand 5 states and 830 transitions. [2021-06-11 06:25:01,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 46 transitions, 349 flow [2021-06-11 06:25:01,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 46 transitions, 336 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-06-11 06:25:01,632 INFO L241 Difference]: Finished difference. Result has 64 places, 45 transitions, 315 flow [2021-06-11 06:25:01,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=315, PETRI_PLACES=64, PETRI_TRANSITIONS=45} [2021-06-11 06:25:01,632 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 21 predicate places. [2021-06-11 06:25:01,632 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:01,632 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 45 transitions, 315 flow [2021-06-11 06:25:01,632 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 45 transitions, 315 flow [2021-06-11 06:25:01,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 45 transitions, 315 flow [2021-06-11 06:25:01,663 INFO L129 PetriNetUnfolder]: 72/268 cut-off events. [2021-06-11 06:25:01,663 INFO L130 PetriNetUnfolder]: For 1295/1350 co-relation queries the response was YES. [2021-06-11 06:25:01,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1136 conditions, 268 events. 72/268 cut-off events. For 1295/1350 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1702 event pairs, 15 based on Foata normal form. 2/253 useless extension candidates. Maximal degree in co-relation 1112. Up to 95 conditions per place. [2021-06-11 06:25:01,667 INFO L151 LiptonReduction]: Number of co-enabled transitions 724 [2021-06-11 06:25:01,672 INFO L163 LiptonReduction]: Checked pairs total: 292 [2021-06-11 06:25:01,672 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:01,672 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-06-11 06:25:01,673 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 45 transitions, 315 flow [2021-06-11 06:25:01,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 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 06:25:01,673 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:01,673 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:01,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 06:25:01,673 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:01,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:01,674 INFO L82 PathProgramCache]: Analyzing trace with hash -719813602, now seen corresponding path program 2 times [2021-06-11 06:25:01,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:01,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900884944] [2021-06-11 06:25:01,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:01,733 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-06-11 06:25:01,734 INFO L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-06-11 06:25:01,751 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-06-11 06:25:01,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 06:25:01,761 INFO L142 QuantifierPusher]: treesize reduction 15, result has 61.5 percent of original size [2021-06-11 06:25:01,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 06:25:01,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:01,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 06:25:01,792 INFO L142 QuantifierPusher]: treesize reduction 26, result has 59.4 percent of original size [2021-06-11 06:25:01,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 06:25:01,821 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 06:25:01,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900884944] [2021-06-11 06:25:01,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:01,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:25:01,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038756604] [2021-06-11 06:25:01,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:25:01,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:01,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:25:01,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:25:01,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 210 [2021-06-11 06:25:01,825 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 45 transitions, 315 flow. Second operand has 7 states, 7 states have (on average 154.85714285714286) internal successors, (1084), 7 states have internal predecessors, (1084), 0 states have call successors, (0), 0 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 06:25:01,825 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:01,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 210 [2021-06-11 06:25:01,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:01,920 INFO L129 PetriNetUnfolder]: 76/267 cut-off events. [2021-06-11 06:25:01,920 INFO L130 PetriNetUnfolder]: For 1530/1586 co-relation queries the response was YES. [2021-06-11 06:25:01,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 267 events. 76/267 cut-off events. For 1530/1586 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1615 event pairs, 3 based on Foata normal form. 9/260 useless extension candidates. Maximal degree in co-relation 1229. Up to 99 conditions per place. [2021-06-11 06:25:01,922 INFO L132 encePairwiseOnDemand]: 203/210 looper letters, 15 selfloop transitions, 13 changer transitions 0/51 dead transitions. [2021-06-11 06:25:01,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 51 transitions, 421 flow [2021-06-11 06:25:01,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:25:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:25:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 787 transitions. [2021-06-11 06:25:01,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7495238095238095 [2021-06-11 06:25:01,925 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 787 transitions. [2021-06-11 06:25:01,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 787 transitions. [2021-06-11 06:25:01,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:01,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 787 transitions. [2021-06-11 06:25:01,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 157.4) internal successors, (787), 5 states have internal predecessors, (787), 0 states have call successors, (0), 0 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 06:25:01,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 06:25:01,929 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 06:25:01,929 INFO L185 Difference]: Start difference. First operand has 64 places, 45 transitions, 315 flow. Second operand 5 states and 787 transitions. [2021-06-11 06:25:01,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 51 transitions, 421 flow [2021-06-11 06:25:01,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 51 transitions, 390 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-06-11 06:25:01,932 INFO L241 Difference]: Finished difference. Result has 66 places, 45 transitions, 325 flow [2021-06-11 06:25:01,932 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=325, PETRI_PLACES=66, PETRI_TRANSITIONS=45} [2021-06-11 06:25:01,932 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 23 predicate places. [2021-06-11 06:25:01,932 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:01,932 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 45 transitions, 325 flow [2021-06-11 06:25:01,932 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 45 transitions, 325 flow [2021-06-11 06:25:01,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 45 transitions, 325 flow [2021-06-11 06:25:01,954 INFO L129 PetriNetUnfolder]: 71/254 cut-off events. [2021-06-11 06:25:01,955 INFO L130 PetriNetUnfolder]: For 1142/1190 co-relation queries the response was YES. [2021-06-11 06:25:01,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 254 events. 71/254 cut-off events. For 1142/1190 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1566 event pairs, 22 based on Foata normal form. 2/240 useless extension candidates. Maximal degree in co-relation 1040. Up to 94 conditions per place. [2021-06-11 06:25:01,958 INFO L151 LiptonReduction]: Number of co-enabled transitions 722 [2021-06-11 06:25:01,962 INFO L163 LiptonReduction]: Checked pairs total: 286 [2021-06-11 06:25:01,962 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:01,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-06-11 06:25:01,964 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 45 transitions, 325 flow [2021-06-11 06:25:01,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 154.85714285714286) internal successors, (1084), 7 states have internal predecessors, (1084), 0 states have call successors, (0), 0 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 06:25:01,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:01,964 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:01,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 06:25:01,964 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:01,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:01,965 INFO L82 PathProgramCache]: Analyzing trace with hash 284504238, now seen corresponding path program 1 times [2021-06-11 06:25:01,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:01,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882968869] [2021-06-11 06:25:01,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:02,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:02,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:02,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:02,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:25:02,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:02,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:25:02,008 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 06:25:02,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882968869] [2021-06-11 06:25:02,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:02,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:25:02,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594406113] [2021-06-11 06:25:02,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:25:02,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:02,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:25:02,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:25:02,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 210 [2021-06-11 06:25:02,010 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 45 transitions, 325 flow. Second operand has 4 states, 4 states have (on average 168.75) internal successors, (675), 4 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 06:25:02,010 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:02,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 210 [2021-06-11 06:25:02,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:02,220 INFO L129 PetriNetUnfolder]: 1253/2224 cut-off events. [2021-06-11 06:25:02,220 INFO L130 PetriNetUnfolder]: For 4382/5593 co-relation queries the response was YES. [2021-06-11 06:25:02,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6636 conditions, 2224 events. 1253/2224 cut-off events. For 4382/5593 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 16791 event pairs, 409 based on Foata normal form. 211/1899 useless extension candidates. Maximal degree in co-relation 6609. Up to 1131 conditions per place. [2021-06-11 06:25:02,239 INFO L132 encePairwiseOnDemand]: 202/210 looper letters, 12 selfloop transitions, 12 changer transitions 0/59 dead transitions. [2021-06-11 06:25:02,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 59 transitions, 401 flow [2021-06-11 06:25:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:25:02,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:25:02,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 864 transitions. [2021-06-11 06:25:02,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8228571428571428 [2021-06-11 06:25:02,241 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 864 transitions. [2021-06-11 06:25:02,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 864 transitions. [2021-06-11 06:25:02,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:02,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 864 transitions. [2021-06-11 06:25:02,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 0 states have call successors, (0), 0 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 06:25:02,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 06:25:02,245 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 06:25:02,245 INFO L185 Difference]: Start difference. First operand has 66 places, 45 transitions, 325 flow. Second operand 5 states and 864 transitions. [2021-06-11 06:25:02,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 59 transitions, 401 flow [2021-06-11 06:25:02,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 59 transitions, 368 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-06-11 06:25:02,252 INFO L241 Difference]: Finished difference. Result has 68 places, 55 transitions, 384 flow [2021-06-11 06:25:02,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=384, PETRI_PLACES=68, PETRI_TRANSITIONS=55} [2021-06-11 06:25:02,252 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 25 predicate places. [2021-06-11 06:25:02,252 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:02,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 55 transitions, 384 flow [2021-06-11 06:25:02,252 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 55 transitions, 384 flow [2021-06-11 06:25:02,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 55 transitions, 384 flow [2021-06-11 06:25:02,408 INFO L129 PetriNetUnfolder]: 1025/1870 cut-off events. [2021-06-11 06:25:02,408 INFO L130 PetriNetUnfolder]: For 4666/6067 co-relation queries the response was YES. [2021-06-11 06:25:02,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6824 conditions, 1870 events. 1025/1870 cut-off events. For 4666/6067 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 14106 event pairs, 365 based on Foata normal form. 7/1486 useless extension candidates. Maximal degree in co-relation 6797. Up to 1296 conditions per place. [2021-06-11 06:25:02,430 INFO L151 LiptonReduction]: Number of co-enabled transitions 1064 [2021-06-11 06:25:02,435 INFO L163 LiptonReduction]: Checked pairs total: 260 [2021-06-11 06:25:02,435 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:02,435 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 183 [2021-06-11 06:25:02,436 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 55 transitions, 384 flow [2021-06-11 06:25:02,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 168.75) internal successors, (675), 4 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 06:25:02,436 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:02,436 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:02,436 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 06:25:02,436 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:02,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:02,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1705677518, now seen corresponding path program 1 times [2021-06-11 06:25:02,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:02,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719050349] [2021-06-11 06:25:02,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:02,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:02,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:02,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:02,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:02,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:02,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:25:02,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:02,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:25:02,482 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 06:25:02,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719050349] [2021-06-11 06:25:02,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:02,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:25:02,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78232299] [2021-06-11 06:25:02,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:25:02,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:02,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:25:02,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:25:02,484 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 210 [2021-06-11 06:25:02,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 55 transitions, 384 flow. Second operand has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 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 06:25:02,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:02,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 210 [2021-06-11 06:25:02,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:02,672 INFO L129 PetriNetUnfolder]: 983/1819 cut-off events. [2021-06-11 06:25:02,672 INFO L130 PetriNetUnfolder]: For 5847/12365 co-relation queries the response was YES. [2021-06-11 06:25:02,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7628 conditions, 1819 events. 983/1819 cut-off events. For 5847/12365 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 13288 event pairs, 107 based on Foata normal form. 406/1868 useless extension candidates. Maximal degree in co-relation 7599. Up to 1305 conditions per place. [2021-06-11 06:25:02,686 INFO L132 encePairwiseOnDemand]: 202/210 looper letters, 12 selfloop transitions, 22 changer transitions 0/69 dead transitions. [2021-06-11 06:25:02,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 69 transitions, 533 flow [2021-06-11 06:25:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:25:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:25:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1210 transitions. [2021-06-11 06:25:02,689 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8231292517006803 [2021-06-11 06:25:02,689 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1210 transitions. [2021-06-11 06:25:02,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1210 transitions. [2021-06-11 06:25:02,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:02,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1210 transitions. [2021-06-11 06:25:02,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 172.85714285714286) internal successors, (1210), 7 states have internal predecessors, (1210), 0 states have call successors, (0), 0 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 06:25:02,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 210.0) internal successors, (1680), 8 states have internal predecessors, (1680), 0 states have call successors, (0), 0 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 06:25:02,693 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 210.0) internal successors, (1680), 8 states have internal predecessors, (1680), 0 states have call successors, (0), 0 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 06:25:02,693 INFO L185 Difference]: Start difference. First operand has 68 places, 55 transitions, 384 flow. Second operand 7 states and 1210 transitions. [2021-06-11 06:25:02,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 69 transitions, 533 flow [2021-06-11 06:25:02,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 69 transitions, 533 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 06:25:02,700 INFO L241 Difference]: Finished difference. Result has 77 places, 65 transitions, 540 flow [2021-06-11 06:25:02,700 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=540, PETRI_PLACES=77, PETRI_TRANSITIONS=65} [2021-06-11 06:25:02,700 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 34 predicate places. [2021-06-11 06:25:02,700 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:02,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 65 transitions, 540 flow [2021-06-11 06:25:02,701 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 65 transitions, 540 flow [2021-06-11 06:25:02,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 65 transitions, 540 flow [2021-06-11 06:25:02,823 INFO L129 PetriNetUnfolder]: 956/1793 cut-off events. [2021-06-11 06:25:02,824 INFO L130 PetriNetUnfolder]: For 10675/16739 co-relation queries the response was YES. [2021-06-11 06:25:02,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8903 conditions, 1793 events. 956/1793 cut-off events. For 10675/16739 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 13925 event pairs, 111 based on Foata normal form. 25/1463 useless extension candidates. Maximal degree in co-relation 8871. Up to 1312 conditions per place. [2021-06-11 06:25:02,850 INFO L151 LiptonReduction]: Number of co-enabled transitions 1372 [2021-06-11 06:25:02,857 INFO L163 LiptonReduction]: Checked pairs total: 322 [2021-06-11 06:25:02,857 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:02,857 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 157 [2021-06-11 06:25:02,857 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 65 transitions, 540 flow [2021-06-11 06:25:02,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 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 06:25:02,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:02,858 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:02,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 06:25:02,858 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:02,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:02,858 INFO L82 PathProgramCache]: Analyzing trace with hash 247960553, now seen corresponding path program 1 times [2021-06-11 06:25:02,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:02,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262351835] [2021-06-11 06:25:02,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:02,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:02,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:02,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:02,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:02,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:02,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:02,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:02,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:25:02,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:02,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:25:02,901 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 06:25:02,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262351835] [2021-06-11 06:25:02,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:02,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:25:02,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824669048] [2021-06-11 06:25:02,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:25:02,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:02,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:25:02,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:25:02,903 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 210 [2021-06-11 06:25:02,904 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 65 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 168.83333333333334) internal successors, (1013), 6 states have internal predecessors, (1013), 0 states have call successors, (0), 0 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 06:25:02,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:02,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 210 [2021-06-11 06:25:02,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:03,096 INFO L129 PetriNetUnfolder]: 764/1452 cut-off events. [2021-06-11 06:25:03,096 INFO L130 PetriNetUnfolder]: For 9853/23710 co-relation queries the response was YES. [2021-06-11 06:25:03,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8218 conditions, 1452 events. 764/1452 cut-off events. For 9853/23710 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 10202 event pairs, 8 based on Foata normal form. 542/1668 useless extension candidates. Maximal degree in co-relation 8184. Up to 1154 conditions per place. [2021-06-11 06:25:03,112 INFO L132 encePairwiseOnDemand]: 202/210 looper letters, 7 selfloop transitions, 32 changer transitions 4/78 dead transitions. [2021-06-11 06:25:03,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 78 transitions, 743 flow [2021-06-11 06:25:03,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 06:25:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 06:25:03,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1556 transitions. [2021-06-11 06:25:03,115 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8232804232804233 [2021-06-11 06:25:03,115 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1556 transitions. [2021-06-11 06:25:03,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1556 transitions. [2021-06-11 06:25:03,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:03,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1556 transitions. [2021-06-11 06:25:03,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 172.88888888888889) internal successors, (1556), 9 states have internal predecessors, (1556), 0 states have call successors, (0), 0 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 06:25:03,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 210.0) internal successors, (2100), 10 states have internal predecessors, (2100), 0 states have call successors, (0), 0 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 06:25:03,120 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 210.0) internal successors, (2100), 10 states have internal predecessors, (2100), 0 states have call successors, (0), 0 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 06:25:03,120 INFO L185 Difference]: Start difference. First operand has 77 places, 65 transitions, 540 flow. Second operand 9 states and 1556 transitions. [2021-06-11 06:25:03,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 78 transitions, 743 flow [2021-06-11 06:25:03,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 78 transitions, 686 flow, removed 18 selfloop flow, removed 3 redundant places. [2021-06-11 06:25:03,138 INFO L241 Difference]: Finished difference. Result has 85 places, 74 transitions, 667 flow [2021-06-11 06:25:03,138 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=667, PETRI_PLACES=85, PETRI_TRANSITIONS=74} [2021-06-11 06:25:03,138 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 42 predicate places. [2021-06-11 06:25:03,138 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:03,138 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 74 transitions, 667 flow [2021-06-11 06:25:03,139 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 74 transitions, 667 flow [2021-06-11 06:25:03,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 74 transitions, 667 flow [2021-06-11 06:25:03,280 INFO L129 PetriNetUnfolder]: 712/1388 cut-off events. [2021-06-11 06:25:03,280 INFO L130 PetriNetUnfolder]: For 11441/13689 co-relation queries the response was YES. [2021-06-11 06:25:03,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7564 conditions, 1388 events. 712/1388 cut-off events. For 11441/13689 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 10656 event pairs, 8 based on Foata normal form. 20/1096 useless extension candidates. Maximal degree in co-relation 7529. Up to 889 conditions per place. [2021-06-11 06:25:03,300 INFO L151 LiptonReduction]: Number of co-enabled transitions 1454 [2021-06-11 06:25:03,307 INFO L163 LiptonReduction]: Checked pairs total: 346 [2021-06-11 06:25:03,307 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:03,308 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 170 [2021-06-11 06:25:03,308 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 74 transitions, 667 flow [2021-06-11 06:25:03,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 168.83333333333334) internal successors, (1013), 6 states have internal predecessors, (1013), 0 states have call successors, (0), 0 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 06:25:03,309 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:03,309 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:03,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 06:25:03,309 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:03,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:03,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1596743747, now seen corresponding path program 1 times [2021-06-11 06:25:03,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:03,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103384552] [2021-06-11 06:25:03,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:03,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:03,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:25:03,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:03,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:03,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:03,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:03,345 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 06:25:03,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103384552] [2021-06-11 06:25:03,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:03,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:25:03,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690075517] [2021-06-11 06:25:03,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:25:03,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:03,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:25:03,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:25:03,347 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 210 [2021-06-11 06:25:03,348 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 74 transitions, 667 flow. Second operand has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 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 06:25:03,348 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:03,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 210 [2021-06-11 06:25:03,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:03,559 INFO L129 PetriNetUnfolder]: 1376/2651 cut-off events. [2021-06-11 06:25:03,559 INFO L130 PetriNetUnfolder]: For 21635/25757 co-relation queries the response was YES. [2021-06-11 06:25:03,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14443 conditions, 2651 events. 1376/2651 cut-off events. For 21635/25757 co-relation queries the response was YES. Maximal size of possible extension queue 578. Compared 21677 event pairs, 18 based on Foata normal form. 35/2123 useless extension candidates. Maximal degree in co-relation 14406. Up to 1720 conditions per place. [2021-06-11 06:25:03,586 INFO L132 encePairwiseOnDemand]: 207/210 looper letters, 4 selfloop transitions, 2 changer transitions 0/76 dead transitions. [2021-06-11 06:25:03,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 76 transitions, 703 flow [2021-06-11 06:25:03,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:25:03,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:25:03,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 723 transitions. [2021-06-11 06:25:03,588 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607142857142858 [2021-06-11 06:25:03,588 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 723 transitions. [2021-06-11 06:25:03,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 723 transitions. [2021-06-11 06:25:03,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:03,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 723 transitions. [2021-06-11 06:25:03,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 180.75) internal successors, (723), 4 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 06:25:03,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 0 states have call successors, (0), 0 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 06:25:03,591 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 0 states have call successors, (0), 0 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 06:25:03,591 INFO L185 Difference]: Start difference. First operand has 85 places, 74 transitions, 667 flow. Second operand 4 states and 723 transitions. [2021-06-11 06:25:03,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 76 transitions, 703 flow [2021-06-11 06:25:03,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 76 transitions, 595 flow, removed 34 selfloop flow, removed 5 redundant places. [2021-06-11 06:25:03,792 INFO L241 Difference]: Finished difference. Result has 85 places, 75 transitions, 572 flow [2021-06-11 06:25:03,792 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=572, PETRI_PLACES=85, PETRI_TRANSITIONS=75} [2021-06-11 06:25:03,792 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 42 predicate places. [2021-06-11 06:25:03,792 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:03,792 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 75 transitions, 572 flow [2021-06-11 06:25:03,792 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 75 transitions, 572 flow [2021-06-11 06:25:03,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 75 transitions, 572 flow [2021-06-11 06:25:03,966 INFO L129 PetriNetUnfolder]: 1375/2648 cut-off events. [2021-06-11 06:25:03,967 INFO L130 PetriNetUnfolder]: For 10809/11744 co-relation queries the response was YES. [2021-06-11 06:25:03,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10083 conditions, 2648 events. 1375/2648 cut-off events. For 10809/11744 co-relation queries the response was YES. Maximal size of possible extension queue 585. Compared 22457 event pairs, 18 based on Foata normal form. 33/2105 useless extension candidates. Maximal degree in co-relation 10047. Up to 824 conditions per place. [2021-06-11 06:25:04,002 INFO L151 LiptonReduction]: Number of co-enabled transitions 1496 [2021-06-11 06:25:04,010 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 06:25:04,010 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:25:04,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 218 [2021-06-11 06:25:04,011 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 75 transitions, 572 flow [2021-06-11 06:25:04,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 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 06:25:04,011 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:04,011 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:04,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 06:25:04,012 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:04,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:04,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1199969707, now seen corresponding path program 2 times [2021-06-11 06:25:04,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:04,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579168225] [2021-06-11 06:25:04,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:25:04,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:04,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:04,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:04,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:04,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:04,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:04,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:04,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:25:04,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:04,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:25:04,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:04,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:25:04,083 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 06:25:04,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579168225] [2021-06-11 06:25:04,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:25:04,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:25:04,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610419598] [2021-06-11 06:25:04,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:25:04,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:25:04,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:25:04,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:25:04,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 210 [2021-06-11 06:25:04,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 75 transitions, 572 flow. Second operand has 7 states, 7 states have (on average 168.85714285714286) internal successors, (1182), 7 states have internal predecessors, (1182), 0 states have call successors, (0), 0 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 06:25:04,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:25:04,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 210 [2021-06-11 06:25:04,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:25:04,429 INFO L129 PetriNetUnfolder]: 1309/2499 cut-off events. [2021-06-11 06:25:04,429 INFO L130 PetriNetUnfolder]: For 13016/25128 co-relation queries the response was YES. [2021-06-11 06:25:04,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11352 conditions, 2499 events. 1309/2499 cut-off events. For 13016/25128 co-relation queries the response was YES. Maximal size of possible extension queue 578. Compared 20222 event pairs, 0 based on Foata normal form. 911/2848 useless extension candidates. Maximal degree in co-relation 11314. Up to 868 conditions per place. [2021-06-11 06:25:04,456 INFO L132 encePairwiseOnDemand]: 202/210 looper letters, 2 selfloop transitions, 37 changer transitions 14/79 dead transitions. [2021-06-11 06:25:04,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 79 transitions, 697 flow [2021-06-11 06:25:04,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 06:25:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 06:25:04,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1894 transitions. [2021-06-11 06:25:04,460 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8199134199134199 [2021-06-11 06:25:04,461 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1894 transitions. [2021-06-11 06:25:04,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1894 transitions. [2021-06-11 06:25:04,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:25:04,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1894 transitions. [2021-06-11 06:25:04,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 172.1818181818182) internal successors, (1894), 11 states have internal predecessors, (1894), 0 states have call successors, (0), 0 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 06:25:04,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 210.0) internal successors, (2520), 12 states have internal predecessors, (2520), 0 states have call successors, (0), 0 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 06:25:04,467 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 210.0) internal successors, (2520), 12 states have internal predecessors, (2520), 0 states have call successors, (0), 0 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 06:25:04,467 INFO L185 Difference]: Start difference. First operand has 85 places, 75 transitions, 572 flow. Second operand 11 states and 1894 transitions. [2021-06-11 06:25:04,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 79 transitions, 697 flow [2021-06-11 06:25:04,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 79 transitions, 664 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-06-11 06:25:04,572 INFO L241 Difference]: Finished difference. Result has 95 places, 65 transitions, 540 flow [2021-06-11 06:25:04,572 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=511, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=540, PETRI_PLACES=95, PETRI_TRANSITIONS=65} [2021-06-11 06:25:04,572 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 52 predicate places. [2021-06-11 06:25:04,572 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:25:04,572 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 65 transitions, 540 flow [2021-06-11 06:25:04,572 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 65 transitions, 540 flow [2021-06-11 06:25:04,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 65 transitions, 540 flow [2021-06-11 06:25:04,636 INFO L129 PetriNetUnfolder]: 582/1131 cut-off events. [2021-06-11 06:25:04,637 INFO L130 PetriNetUnfolder]: For 6138/6976 co-relation queries the response was YES. [2021-06-11 06:25:04,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5168 conditions, 1131 events. 582/1131 cut-off events. For 6138/6976 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 7866 event pairs, 0 based on Foata normal form. 11/887 useless extension candidates. Maximal degree in co-relation 5138. Up to 392 conditions per place. [2021-06-11 06:25:04,650 INFO L151 LiptonReduction]: Number of co-enabled transitions 970 [2021-06-11 06:25:04,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:25:04,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:25:04,717 INFO L163 LiptonReduction]: Checked pairs total: 90 [2021-06-11 06:25:04,717 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 06:25:04,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-06-11 06:25:04,718 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 64 transitions, 540 flow [2021-06-11 06:25:04,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 168.85714285714286) internal successors, (1182), 7 states have internal predecessors, (1182), 0 states have call successors, (0), 0 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 06:25:04,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:25:04,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:25:04,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 06:25:04,719 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:25:04,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:25:04,719 INFO L82 PathProgramCache]: Analyzing trace with hash -2028915236, now seen corresponding path program 1 times [2021-06-11 06:25:04,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:25:04,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293222590] [2021-06-11 06:25:04,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:25:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:25:04,743 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:25:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:25:04,773 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:25:04,813 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 06:25:04,813 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 06:25:04,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 06:25:04,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:25:04 BasicIcfg [2021-06-11 06:25:04,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 06:25:04,943 INFO L168 Benchmark]: Toolchain (without parser) took 22074.67 ms. Allocated memory was 432.0 MB in the beginning and 822.1 MB in the end (delta: 390.1 MB). Free memory was 394.5 MB in the beginning and 509.2 MB in the end (delta: -114.7 MB). Peak memory consumption was 277.0 MB. Max. memory is 16.0 GB. [2021-06-11 06:25:04,943 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 432.0 MB. Free memory is still 413.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 06:25:04,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.39 ms. Allocated memory is still 432.0 MB. Free memory was 394.4 MB in the beginning and 390.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-06-11 06:25:04,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.57 ms. Allocated memory is still 432.0 MB. Free memory was 390.7 MB in the beginning and 387.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:25:04,943 INFO L168 Benchmark]: Boogie Preprocessor took 28.94 ms. Allocated memory is still 432.0 MB. Free memory was 387.5 MB in the beginning and 384.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:25:04,944 INFO L168 Benchmark]: RCFGBuilder took 1468.50 ms. Allocated memory is still 432.0 MB. Free memory was 384.9 MB in the beginning and 334.6 MB in the end (delta: 50.3 MB). Peak memory consumption was 144.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:25:04,944 INFO L168 Benchmark]: TraceAbstraction took 20101.81 ms. Allocated memory was 432.0 MB in the beginning and 822.1 MB in the end (delta: 390.1 MB). Free memory was 334.6 MB in the beginning and 509.2 MB in the end (delta: -174.6 MB). Peak memory consumption was 215.4 MB. Max. memory is 16.0 GB. [2021-06-11 06:25:04,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 432.0 MB. Free memory is still 413.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 433.39 ms. Allocated memory is still 432.0 MB. Free memory was 394.4 MB in the beginning and 390.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 36.57 ms. Allocated memory is still 432.0 MB. Free memory was 390.7 MB in the beginning and 387.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.94 ms. Allocated memory is still 432.0 MB. Free memory was 387.5 MB in the beginning and 384.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1468.50 ms. Allocated memory is still 432.0 MB. Free memory was 384.9 MB in the beginning and 334.6 MB in the end (delta: 50.3 MB). Peak memory consumption was 144.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 20101.81 ms. Allocated memory was 432.0 MB in the beginning and 822.1 MB in the end (delta: 390.1 MB). Free memory was 334.6 MB in the beginning and 509.2 MB in the end (delta: -174.6 MB). Peak memory consumption was 215.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8269.3ms, 119 PlacesBefore, 43 PlacesAfterwards, 108 TransitionsBefore, 31 TransitionsAfterwards, 2406 CoEnabledTransitionPairs, 8 FixpointIterations, 38 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 96 TotalNumberOfCompositions, 6317 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3187, positive: 3003, positive conditional: 0, positive unconditional: 3003, negative: 184, negative conditional: 0, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1748, positive: 1698, positive conditional: 0, positive unconditional: 1698, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1748, positive: 1698, positive conditional: 0, positive unconditional: 1698, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1748, positive: 1662, positive conditional: 0, positive unconditional: 1662, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 665, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 597, negative conditional: 0, negative unconditional: 597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3187, positive: 1305, positive conditional: 0, positive unconditional: 1305, negative: 134, negative conditional: 0, negative unconditional: 134, unknown: 1748, unknown conditional: 0, unknown unconditional: 1748] , Statistics on independence cache: Total cache size (in pairs): 2998, Positive cache size: 2948, Positive conditional cache size: 0, Positive unconditional cache size: 2948, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6272.0ms, 39 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 390 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 874 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 256, positive: 208, positive conditional: 0, positive unconditional: 208, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 31, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 278, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 242, negative conditional: 0, negative unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 256, positive: 187, positive conditional: 0, positive unconditional: 187, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 31, unknown conditional: 0, unknown unconditional: 31] , Statistics on independence cache: Total cache size (in pairs): 3063, Positive cache size: 3003, Positive conditional cache size: 0, Positive unconditional cache size: 3003, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.9ms, 42 PlacesBefore, 39 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 338 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 19, negative conditional: 0, negative unconditional: 19, 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: 96, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 3064, Positive cache size: 3004, Positive conditional cache size: 0, Positive unconditional cache size: 3004, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.8ms, 40 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 280 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 73, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 15, negative conditional: 0, negative unconditional: 15, 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: 73, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3064, Positive cache size: 3004, Positive conditional cache size: 0, Positive unconditional cache size: 3004, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.5ms, 42 PlacesBefore, 42 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 218 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 32, positive conditional: 0, positive unconditional: 32, 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: 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: 43, positive: 30, positive conditional: 0, positive unconditional: 30, 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): 3066, Positive cache size: 3006, Positive conditional cache size: 0, Positive unconditional cache size: 3006, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.4ms, 44 PlacesBefore, 44 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 218 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 23, positive conditional: 0, positive unconditional: 23, 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: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 3070, Positive cache size: 3007, Positive conditional cache size: 0, Positive unconditional cache size: 3007, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.0ms, 48 PlacesBefore, 48 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 518 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 172 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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: 33, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 3077, Positive cache size: 3012, Positive conditional cache size: 0, Positive unconditional cache size: 3012, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.6ms, 50 PlacesBefore, 50 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 144 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 28, positive conditional: 0, positive unconditional: 28, 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: 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: 34, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3077, Positive cache size: 3012, Positive conditional cache size: 0, Positive unconditional cache size: 3012, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.3ms, 55 PlacesBefore, 55 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 244 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 25, positive conditional: 0, positive unconditional: 25, 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: 34, positive: 25, positive conditional: 0, positive unconditional: 25, 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): 3077, Positive cache size: 3012, Positive conditional cache size: 0, Positive unconditional cache size: 3012, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.2ms, 57 PlacesBefore, 57 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 244 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 38, positive conditional: 0, positive unconditional: 38, 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: 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: 47, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 3078, Positive cache size: 3013, Positive conditional cache size: 0, Positive unconditional cache size: 3013, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.3ms, 62 PlacesBefore, 62 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 266 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 34, positive conditional: 0, positive unconditional: 34, 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: 44, positive: 34, positive conditional: 0, positive unconditional: 34, 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): 3078, Positive cache size: 3013, Positive conditional cache size: 0, Positive unconditional cache size: 3013, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.6ms, 64 PlacesBefore, 64 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 724 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 292 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 23, positive conditional: 0, positive unconditional: 23, 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: 34, positive: 23, positive conditional: 0, positive unconditional: 23, 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): 3078, Positive cache size: 3013, Positive conditional cache size: 0, Positive unconditional cache size: 3013, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.6ms, 66 PlacesBefore, 66 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 722 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 286 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 42, positive conditional: 0, positive unconditional: 42, 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: 53, positive: 42, positive conditional: 0, positive unconditional: 42, 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): 3078, Positive cache size: 3013, Positive conditional cache size: 0, Positive unconditional cache size: 3013, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 182.7ms, 68 PlacesBefore, 68 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 1064 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 260 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 8, negative conditional: 0, negative unconditional: 8, 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: 20, positive conditional: 0, positive unconditional: 20, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3078, Positive cache size: 3013, Positive conditional cache size: 0, Positive unconditional cache size: 3013, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 156.1ms, 77 PlacesBefore, 77 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 1372 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 322 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 8, negative conditional: 0, negative unconditional: 8, 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: 18, positive conditional: 0, positive unconditional: 18, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3078, Positive cache size: 3013, Positive conditional cache size: 0, Positive unconditional cache size: 3013, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 168.9ms, 85 PlacesBefore, 85 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 1454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 346 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 8, negative conditional: 0, negative unconditional: 8, 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: 32, positive conditional: 0, positive unconditional: 32, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3078, Positive cache size: 3013, Positive conditional cache size: 0, Positive unconditional cache size: 3013, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 217.5ms, 85 PlacesBefore, 85 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 1496 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): 3078, Positive cache size: 3013, Positive conditional cache size: 0, Positive unconditional cache size: 3013, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 144.8ms, 95 PlacesBefore, 88 PlacesAfterwards, 65 TransitionsBefore, 64 TransitionsAfterwards, 970 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 90 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 90, positive conditional: 0, positive unconditional: 90, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 3254, Positive cache size: 3189, Positive conditional cache size: 0, Positive unconditional cache size: 3189, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p3_EAX = 0; [L714] 0 int a = 0; [L715] 0 _Bool main$tmp_guard0; [L716] 0 _Bool main$tmp_guard1; [L718] 0 int x = 0; [L720] 0 int y = 0; [L722] 0 int z = 0; [L723] 0 _Bool z$flush_delayed; [L724] 0 int z$mem_tmp; [L725] 0 _Bool z$r_buff0_thd0; [L726] 0 _Bool z$r_buff0_thd1; [L727] 0 _Bool z$r_buff0_thd2; [L728] 0 _Bool z$r_buff0_thd3; [L729] 0 _Bool z$r_buff0_thd4; [L730] 0 _Bool z$r_buff1_thd0; [L731] 0 _Bool z$r_buff1_thd1; [L732] 0 _Bool z$r_buff1_thd2; [L733] 0 _Bool z$r_buff1_thd3; [L734] 0 _Bool z$r_buff1_thd4; [L735] 0 _Bool z$read_delayed; [L736] 0 int *z$read_delayed_var; [L737] 0 int z$w_buff0; [L738] 0 _Bool z$w_buff0_used; [L739] 0 int z$w_buff1; [L740] 0 _Bool z$w_buff1_used; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L834] 0 pthread_t t1525; [L835] FCALL, FORK 0 pthread_create(&t1525, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L836] 0 pthread_t t1526; [L837] FCALL, FORK 0 pthread_create(&t1526, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L838] 0 pthread_t t1527; [L839] FCALL, FORK 0 pthread_create(&t1527, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t1528; [L841] FCALL, FORK 0 pthread_create(&t1528, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L796] 4 z$w_buff1 = z$w_buff0 [L797] 4 z$w_buff0 = 2 [L798] 4 z$w_buff1_used = z$w_buff0_used [L799] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L801] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L802] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L803] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L804] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L805] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L806] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L809] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L746] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L749] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L761] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L764] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L756] 1 return 0; [L769] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 2 return 0; [L776] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L779] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L812] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L812] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L813] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L813] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L814] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L814] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L815] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L815] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L816] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L816] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L782] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L782] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L782] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L782] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L783] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L783] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L784] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L784] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L785] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L785] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L786] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L789] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L791] 3 return 0; [L819] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L821] 4 return 0; [L843] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L848] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L848] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L849] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L850] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L851] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L854] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L855] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L856] 0 z$flush_delayed = weak$$choice2 [L857] 0 z$mem_tmp = z [L858] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L858] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L859] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L859] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L860] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L860] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L861] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L861] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L862] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L863] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L863] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L864] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L864] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L865] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 0) [L866] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L866] 0 z = z$flush_delayed ? z$mem_tmp : z [L867] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 111 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 19874.2ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2551.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8351.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 66 SDtfs, 53 SDslu, 26 SDs, 0 SdLazy, 364 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 375.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 392.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=667occurred in iteration=15, InterpolantAutomatonStates: 84, 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: 37.6ms SsaConstructionTime, 383.4ms SatisfiabilityAnalysisTime, 813.7ms InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 1511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...