/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/safe025_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 06:56:17,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 06:56:17,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 06:56:17,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 06:56:17,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 06:56:17,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 06:56:17,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 06:56:17,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 06:56:17,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 06:56:17,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 06:56:17,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 06:56:17,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 06:56:17,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 06:56:17,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 06:56:17,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 06:56:17,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 06:56:17,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 06:56:17,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 06:56:17,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 06:56:17,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 06:56:17,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 06:56:17,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 06:56:17,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 06:56:17,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 06:56:17,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 06:56:17,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 06:56:17,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 06:56:17,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 06:56:17,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 06:56:17,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 06:56:17,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 06:56:17,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 06:56:17,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 06:56:17,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 06:56:17,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 06:56:17,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 06:56:17,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 06:56:17,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 06:56:17,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 06:56:17,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 06:56:17,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 06:56:17,384 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 06:56:17,415 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 06:56:17,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 06:56:17,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 06:56:17,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 06:56:17,418 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 06:56:17,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 06:56:17,419 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 06:56:17,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 06:56:17,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 06:56:17,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 06:56:17,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 06:56:17,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 06:56:17,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 06:56:17,420 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 06:56:17,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 06:56:17,420 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 06:56:17,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 06:56:17,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 06:56:17,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 06:56:17,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 06:56:17,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 06:56:17,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:56:17,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 06:56:17,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 06:56:17,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 06:56:17,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 06:56:17,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 06:56:17,421 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 06:56:17,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 06:56:17,421 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 06:56:17,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 06:56:17,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 06:56:17,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 06:56:17,673 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 06:56:17,673 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 06:56:17,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.opt.i [2021-06-11 06:56:17,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b319a0a/855d08e9f5c04a2aa94244498dfc8cfa/FLAG6bed416fc [2021-06-11 06:56:18,247 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 06:56:18,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_pso.opt.i [2021-06-11 06:56:18,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b319a0a/855d08e9f5c04a2aa94244498dfc8cfa/FLAG6bed416fc [2021-06-11 06:56:18,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b319a0a/855d08e9f5c04a2aa94244498dfc8cfa [2021-06-11 06:56:18,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 06:56:18,731 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 06:56:18,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 06:56:18,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 06:56:18,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 06:56:18,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:56:18" (1/1) ... [2021-06-11 06:56:18,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a2a34f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:18, skipping insertion in model container [2021-06-11 06:56:18,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:56:18" (1/1) ... [2021-06-11 06:56:18,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 06:56:18,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 06:56:18,911 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/safe025_pso.opt.i[949,962] [2021-06-11 06:56:18,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:56:18,998 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 06:56:19,006 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/safe025_pso.opt.i[949,962] [2021-06-11 06:56:19,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:56:19,068 INFO L208 MainTranslator]: Completed translation [2021-06-11 06:56:19,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:19 WrapperNode [2021-06-11 06:56:19,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 06:56:19,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 06:56:19,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 06:56:19,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 06:56:19,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:19" (1/1) ... [2021-06-11 06:56:19,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:19" (1/1) ... [2021-06-11 06:56:19,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 06:56:19,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 06:56:19,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 06:56:19,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 06:56:19,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:19" (1/1) ... [2021-06-11 06:56:19,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:19" (1/1) ... [2021-06-11 06:56:19,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:19" (1/1) ... [2021-06-11 06:56:19,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:19" (1/1) ... [2021-06-11 06:56:19,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:19" (1/1) ... [2021-06-11 06:56:19,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:19" (1/1) ... [2021-06-11 06:56:19,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:19" (1/1) ... [2021-06-11 06:56:19,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 06:56:19,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 06:56:19,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 06:56:19,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 06:56:19,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:19" (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 06:56:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 06:56:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 06:56:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 06:56:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 06:56:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 06:56:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 06:56:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 06:56:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 06:56:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 06:56:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 06:56:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 06:56:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 06:56:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 06:56:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 06:56:19,174 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 06:56:19,442 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 06:56:19,442 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-11 06:56:19,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:56:19 BoogieIcfgContainer [2021-06-11 06:56:19,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 06:56:19,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 06:56:19,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 06:56:19,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 06:56:19,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:56:18" (1/3) ... [2021-06-11 06:56:19,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757c930b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:56:19, skipping insertion in model container [2021-06-11 06:56:19,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:19" (2/3) ... [2021-06-11 06:56:19,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757c930b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:56:19, skipping insertion in model container [2021-06-11 06:56:19,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:56:19" (3/3) ... [2021-06-11 06:56:19,449 INFO L111 eAbstractionObserver]: Analyzing ICFG safe025_pso.opt.i [2021-06-11 06:56:19,452 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 06:56:19,456 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 06:56:19,456 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 06:56:19,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,477 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,477 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,478 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,478 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,478 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,479 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,480 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,481 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,481 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,481 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,484 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,484 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,488 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,488 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,490 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,491 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:19,493 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 06:56:19,509 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-11 06:56:19,539 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 06:56:19,539 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 06:56:19,539 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 06:56:19,540 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 06:56:19,540 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 06:56:19,540 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 06:56:19,540 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 06:56:19,540 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 06:56:19,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 75 transitions, 165 flow [2021-06-11 06:56:19,598 INFO L129 PetriNetUnfolder]: 2/72 cut-off events. [2021-06-11 06:56:19,598 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:56:19,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 72 events. 2/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-06-11 06:56:19,605 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 75 transitions, 165 flow [2021-06-11 06:56:19,619 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 60 transitions, 129 flow [2021-06-11 06:56:19,620 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:56:19,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 60 transitions, 129 flow [2021-06-11 06:56:19,638 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 60 transitions, 129 flow [2021-06-11 06:56:19,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 60 transitions, 129 flow [2021-06-11 06:56:19,663 INFO L129 PetriNetUnfolder]: 1/60 cut-off events. [2021-06-11 06:56:19,664 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:56:19,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-06-11 06:56:19,668 INFO L151 LiptonReduction]: Number of co-enabled transitions 864 [2021-06-11 06:56:19,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:19,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:19,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:19,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:56:19,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:19,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:56:19,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:56:19,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:19,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:19,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:19,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:19,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:19,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:20,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:20,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:20,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:20,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:20,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:20,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:20,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:20,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:20,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:56:20,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:56:20,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:56:20,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:20,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:56:20,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:56:20,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:56:20,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:56:20,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:56:20,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:56:20,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:20,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:20,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:21,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:21,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:56:21,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:21,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 06:56:21,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:56:21,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:21,084 INFO L147 QuantifierPusher]: treesize reduction 29, result has 3.3 percent of original size 1 [2021-06-11 06:56:21,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:21,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:21,194 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 06:56:21,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:21,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:21,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:56:21,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:21,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:56:21,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:56:21,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:21,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:21,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:21,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:21,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:21,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:21,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:21,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:21,934 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-06-11 06:56:22,088 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-06-11 06:56:22,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:22,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:56:22,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:22,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:56:22,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 06:56:22,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:22,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:56:22,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:22,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:56:22,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:56:22,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:22,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:22,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:22,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:22,918 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-06-11 06:56:23,187 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-06-11 06:56:23,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:23,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:56:23,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:23,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:56:23,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:56:23,291 INFO L163 LiptonReduction]: Checked pairs total: 1456 [2021-06-11 06:56:23,292 INFO L165 LiptonReduction]: Total number of compositions: 46 [2021-06-11 06:56:23,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3675 [2021-06-11 06:56:23,305 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-06-11 06:56:23,305 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:56:23,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:56:23,306 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:56:23,306 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:56:23,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:56:23,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1978511600, now seen corresponding path program 1 times [2021-06-11 06:56:23,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:56:23,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115567468] [2021-06-11 06:56:23,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:56:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:56:23,523 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 06:56:23,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:56:23,550 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 06:56:23,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115567468] [2021-06-11 06:56:23,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:56:23,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:56:23,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121014908] [2021-06-11 06:56:23,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:56:23,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:56:23,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:56:23,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:56:23,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 121 [2021-06-11 06:56:23,574 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 17 transitions, 43 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 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 06:56:23,574 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:56:23,574 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 121 [2021-06-11 06:56:23,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:56:23,632 INFO L129 PetriNetUnfolder]: 47/134 cut-off events. [2021-06-11 06:56:23,632 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:56:23,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 134 events. 47/134 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 591 event pairs, 13 based on Foata normal form. 10/142 useless extension candidates. Maximal degree in co-relation 232. Up to 63 conditions per place. [2021-06-11 06:56:23,636 INFO L132 encePairwiseOnDemand]: 114/121 looper letters, 6 selfloop transitions, 6 changer transitions 0/22 dead transitions. [2021-06-11 06:56:23,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 22 transitions, 77 flow [2021-06-11 06:56:23,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:56:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:56:23,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 283 transitions. [2021-06-11 06:56:23,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7796143250688705 [2021-06-11 06:56:23,652 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 283 transitions. [2021-06-11 06:56:23,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 283 transitions. [2021-06-11 06:56:23,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:56:23,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 283 transitions. [2021-06-11 06:56:23,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 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 06:56:23,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 0 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 06:56:23,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 0 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 06:56:23,669 INFO L185 Difference]: Start difference. First operand has 27 places, 17 transitions, 43 flow. Second operand 3 states and 283 transitions. [2021-06-11 06:56:23,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 22 transitions, 77 flow [2021-06-11 06:56:23,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 22 transitions, 74 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 06:56:23,673 INFO L241 Difference]: Finished difference. Result has 28 places, 22 transitions, 86 flow [2021-06-11 06:56:23,674 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=28, PETRI_TRANSITIONS=22} [2021-06-11 06:56:23,675 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2021-06-11 06:56:23,675 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:56:23,675 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 22 transitions, 86 flow [2021-06-11 06:56:23,675 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 22 transitions, 86 flow [2021-06-11 06:56:23,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 22 transitions, 86 flow [2021-06-11 06:56:23,684 INFO L129 PetriNetUnfolder]: 47/128 cut-off events. [2021-06-11 06:56:23,684 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2021-06-11 06:56:23,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 128 events. 47/128 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 557 event pairs, 13 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 272. Up to 63 conditions per place. [2021-06-11 06:56:23,685 INFO L151 LiptonReduction]: Number of co-enabled transitions 140 [2021-06-11 06:56:23,687 INFO L163 LiptonReduction]: Checked pairs total: 46 [2021-06-11 06:56:23,687 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:56:23,687 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 06:56:23,688 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 22 transitions, 86 flow [2021-06-11 06:56:23,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 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 06:56:23,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:56:23,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:56:23,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 06:56:23,688 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:56:23,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:56:23,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1204316750, now seen corresponding path program 1 times [2021-06-11 06:56:23,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:56:23,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517218361] [2021-06-11 06:56:23,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:56:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:56:23,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:23,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:23,731 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 06:56:23,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:56:23,741 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 06:56:23,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517218361] [2021-06-11 06:56:23,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:56:23,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:56:23,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307610594] [2021-06-11 06:56:23,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:56:23,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:56:23,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:56:23,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:56:23,744 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 121 [2021-06-11 06:56:23,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 86 flow. Second operand has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 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 06:56:23,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:56:23,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 121 [2021-06-11 06:56:23,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:56:23,776 INFO L129 PetriNetUnfolder]: 35/107 cut-off events. [2021-06-11 06:56:23,777 INFO L130 PetriNetUnfolder]: For 26/48 co-relation queries the response was YES. [2021-06-11 06:56:23,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 107 events. 35/107 cut-off events. For 26/48 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 434 event pairs, 6 based on Foata normal form. 8/114 useless extension candidates. Maximal degree in co-relation 297. Up to 53 conditions per place. [2021-06-11 06:56:23,778 INFO L132 encePairwiseOnDemand]: 114/121 looper letters, 10 selfloop transitions, 7 changer transitions 0/27 dead transitions. [2021-06-11 06:56:23,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 27 transitions, 146 flow [2021-06-11 06:56:23,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:56:23,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:56:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 375 transitions. [2021-06-11 06:56:23,780 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7747933884297521 [2021-06-11 06:56:23,780 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 375 transitions. [2021-06-11 06:56:23,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 375 transitions. [2021-06-11 06:56:23,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:56:23,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 375 transitions. [2021-06-11 06:56:23,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 0 states have call successors, (0), 0 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 06:56:23,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:23,782 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:23,782 INFO L185 Difference]: Start difference. First operand has 28 places, 22 transitions, 86 flow. Second operand 4 states and 375 transitions. [2021-06-11 06:56:23,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 27 transitions, 146 flow [2021-06-11 06:56:23,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 27 transitions, 128 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:56:23,784 INFO L241 Difference]: Finished difference. Result has 32 places, 25 transitions, 122 flow [2021-06-11 06:56:23,784 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=122, PETRI_PLACES=32, PETRI_TRANSITIONS=25} [2021-06-11 06:56:23,785 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 5 predicate places. [2021-06-11 06:56:23,785 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:56:23,785 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 25 transitions, 122 flow [2021-06-11 06:56:23,785 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 25 transitions, 122 flow [2021-06-11 06:56:23,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 25 transitions, 122 flow [2021-06-11 06:56:23,791 INFO L129 PetriNetUnfolder]: 35/108 cut-off events. [2021-06-11 06:56:23,792 INFO L130 PetriNetUnfolder]: For 75/78 co-relation queries the response was YES. [2021-06-11 06:56:23,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 108 events. 35/108 cut-off events. For 75/78 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 439 event pairs, 7 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 271. Up to 53 conditions per place. [2021-06-11 06:56:23,793 INFO L151 LiptonReduction]: Number of co-enabled transitions 154 [2021-06-11 06:56:23,795 INFO L163 LiptonReduction]: Checked pairs total: 68 [2021-06-11 06:56:23,795 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:56:23,795 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-06-11 06:56:23,796 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 25 transitions, 122 flow [2021-06-11 06:56:23,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 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 06:56:23,796 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:56:23,796 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:56:23,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 06:56:23,797 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:56:23,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:56:23,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1930397472, now seen corresponding path program 1 times [2021-06-11 06:56:23,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:56:23,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732356554] [2021-06-11 06:56:23,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:56:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:56:23,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:23,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:23,847 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 06:56:23,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:56:23,859 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 06:56:23,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732356554] [2021-06-11 06:56:23,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:56:23,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:56:23,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378588899] [2021-06-11 06:56:23,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:56:23,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:56:23,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:56:23,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:56:23,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 121 [2021-06-11 06:56:23,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 25 transitions, 122 flow. Second operand has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 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 06:56:23,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:56:23,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 121 [2021-06-11 06:56:23,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:56:23,889 INFO L129 PetriNetUnfolder]: 32/97 cut-off events. [2021-06-11 06:56:23,889 INFO L130 PetriNetUnfolder]: For 88/119 co-relation queries the response was YES. [2021-06-11 06:56:23,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 97 events. 32/97 cut-off events. For 88/119 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 353 event pairs, 5 based on Foata normal form. 2/98 useless extension candidates. Maximal degree in co-relation 318. Up to 48 conditions per place. [2021-06-11 06:56:23,891 INFO L132 encePairwiseOnDemand]: 114/121 looper letters, 9 selfloop transitions, 10 changer transitions 0/29 dead transitions. [2021-06-11 06:56:23,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 29 transitions, 188 flow [2021-06-11 06:56:23,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:56:23,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:56:23,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 375 transitions. [2021-06-11 06:56:23,893 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7747933884297521 [2021-06-11 06:56:23,893 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 375 transitions. [2021-06-11 06:56:23,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 375 transitions. [2021-06-11 06:56:23,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:56:23,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 375 transitions. [2021-06-11 06:56:23,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 0 states have call successors, (0), 0 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 06:56:23,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:23,896 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:23,896 INFO L185 Difference]: Start difference. First operand has 32 places, 25 transitions, 122 flow. Second operand 4 states and 375 transitions. [2021-06-11 06:56:23,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 29 transitions, 188 flow [2021-06-11 06:56:23,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 29 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:56:23,898 INFO L241 Difference]: Finished difference. Result has 37 places, 27 transitions, 181 flow [2021-06-11 06:56:23,898 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=181, PETRI_PLACES=37, PETRI_TRANSITIONS=27} [2021-06-11 06:56:23,898 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 10 predicate places. [2021-06-11 06:56:23,898 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:56:23,898 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 27 transitions, 181 flow [2021-06-11 06:56:23,898 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 27 transitions, 181 flow [2021-06-11 06:56:23,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 27 transitions, 181 flow [2021-06-11 06:56:23,904 INFO L129 PetriNetUnfolder]: 32/101 cut-off events. [2021-06-11 06:56:23,904 INFO L130 PetriNetUnfolder]: For 192/195 co-relation queries the response was YES. [2021-06-11 06:56:23,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 101 events. 32/101 cut-off events. For 192/195 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 396 event pairs, 7 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 329. Up to 48 conditions per place. [2021-06-11 06:56:23,906 INFO L151 LiptonReduction]: Number of co-enabled transitions 164 [2021-06-11 06:56:23,908 INFO L163 LiptonReduction]: Checked pairs total: 91 [2021-06-11 06:56:23,908 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:56:23,908 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-06-11 06:56:23,909 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 27 transitions, 181 flow [2021-06-11 06:56:23,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 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 06:56:23,909 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:56:23,909 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:56:23,909 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 06:56:23,910 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:56:23,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:56:23,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1977332712, now seen corresponding path program 1 times [2021-06-11 06:56:23,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:56:23,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151694362] [2021-06-11 06:56:23,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:56:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:56:23,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:23,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:23,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:23,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:23,940 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 06:56:23,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:56:23,951 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 06:56:23,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151694362] [2021-06-11 06:56:23,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:56:23,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:56:23,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431231719] [2021-06-11 06:56:23,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:56:23,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:56:23,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:56:23,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:56:23,953 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 121 [2021-06-11 06:56:23,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 27 transitions, 181 flow. Second operand has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 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 06:56:23,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:56:23,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 121 [2021-06-11 06:56:23,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:56:23,991 INFO L129 PetriNetUnfolder]: 23/79 cut-off events. [2021-06-11 06:56:23,991 INFO L130 PetriNetUnfolder]: For 176/203 co-relation queries the response was YES. [2021-06-11 06:56:23,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 79 events. 23/79 cut-off events. For 176/203 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 272 event pairs, 2 based on Foata normal form. 10/88 useless extension candidates. Maximal degree in co-relation 319. Up to 35 conditions per place. [2021-06-11 06:56:23,992 INFO L132 encePairwiseOnDemand]: 114/121 looper letters, 9 selfloop transitions, 13 changer transitions 0/32 dead transitions. [2021-06-11 06:56:23,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 32 transitions, 269 flow [2021-06-11 06:56:23,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:56:23,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:56:23,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 375 transitions. [2021-06-11 06:56:23,993 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7747933884297521 [2021-06-11 06:56:23,993 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 375 transitions. [2021-06-11 06:56:23,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 375 transitions. [2021-06-11 06:56:23,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:56:23,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 375 transitions. [2021-06-11 06:56:23,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 0 states have call successors, (0), 0 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 06:56:23,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:23,995 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:23,995 INFO L185 Difference]: Start difference. First operand has 37 places, 27 transitions, 181 flow. Second operand 4 states and 375 transitions. [2021-06-11 06:56:23,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 32 transitions, 269 flow [2021-06-11 06:56:23,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 32 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:56:24,000 INFO L241 Difference]: Finished difference. Result has 42 places, 30 transitions, 272 flow [2021-06-11 06:56:24,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=272, PETRI_PLACES=42, PETRI_TRANSITIONS=30} [2021-06-11 06:56:24,000 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 15 predicate places. [2021-06-11 06:56:24,000 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:56:24,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 30 transitions, 272 flow [2021-06-11 06:56:24,001 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 30 transitions, 272 flow [2021-06-11 06:56:24,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 30 transitions, 272 flow [2021-06-11 06:56:24,007 INFO L129 PetriNetUnfolder]: 23/84 cut-off events. [2021-06-11 06:56:24,008 INFO L130 PetriNetUnfolder]: For 296/305 co-relation queries the response was YES. [2021-06-11 06:56:24,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 84 events. 23/84 cut-off events. For 296/305 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 321 event pairs, 2 based on Foata normal form. 2/84 useless extension candidates. Maximal degree in co-relation 341. Up to 35 conditions per place. [2021-06-11 06:56:24,009 INFO L151 LiptonReduction]: Number of co-enabled transitions 176 [2021-06-11 06:56:24,012 INFO L163 LiptonReduction]: Checked pairs total: 112 [2021-06-11 06:56:24,012 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:56:24,012 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 06:56:24,016 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 30 transitions, 272 flow [2021-06-11 06:56:24,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 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 06:56:24,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:56:24,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:56:24,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 06:56:24,017 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:56:24,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:56:24,017 INFO L82 PathProgramCache]: Analyzing trace with hash 2001725630, now seen corresponding path program 1 times [2021-06-11 06:56:24,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:56:24,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288642731] [2021-06-11 06:56:24,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:56:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:56:24,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:24,087 INFO L142 QuantifierPusher]: treesize reduction 13, result has 45.8 percent of original size [2021-06-11 06:56:24,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 06:56:24,098 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 06:56:24,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288642731] [2021-06-11 06:56:24,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:56:24,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:56:24,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881499533] [2021-06-11 06:56:24,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:56:24,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:56:24,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:56:24,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:56:24,103 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 121 [2021-06-11 06:56:24,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 30 transitions, 272 flow. Second operand has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 states have internal predecessors, (355), 0 states have call successors, (0), 0 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 06:56:24,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:56:24,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 121 [2021-06-11 06:56:24,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:56:24,154 INFO L129 PetriNetUnfolder]: 101/249 cut-off events. [2021-06-11 06:56:24,154 INFO L130 PetriNetUnfolder]: For 701/767 co-relation queries the response was YES. [2021-06-11 06:56:24,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 249 events. 101/249 cut-off events. For 701/767 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 1424 event pairs, 16 based on Foata normal form. 23/241 useless extension candidates. Maximal degree in co-relation 743. Up to 94 conditions per place. [2021-06-11 06:56:24,157 INFO L132 encePairwiseOnDemand]: 115/121 looper letters, 8 selfloop transitions, 5 changer transitions 0/37 dead transitions. [2021-06-11 06:56:24,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 37 transitions, 312 flow [2021-06-11 06:56:24,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:56:24,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:56:24,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 367 transitions. [2021-06-11 06:56:24,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7582644628099173 [2021-06-11 06:56:24,158 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 367 transitions. [2021-06-11 06:56:24,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 367 transitions. [2021-06-11 06:56:24,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:56:24,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 367 transitions. [2021-06-11 06:56:24,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 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 06:56:24,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:24,160 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:24,160 INFO L185 Difference]: Start difference. First operand has 42 places, 30 transitions, 272 flow. Second operand 4 states and 367 transitions. [2021-06-11 06:56:24,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 37 transitions, 312 flow [2021-06-11 06:56:24,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 37 transitions, 307 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:56:24,182 INFO L241 Difference]: Finished difference. Result has 46 places, 34 transitions, 305 flow [2021-06-11 06:56:24,182 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=305, PETRI_PLACES=46, PETRI_TRANSITIONS=34} [2021-06-11 06:56:24,182 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 19 predicate places. [2021-06-11 06:56:24,182 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:56:24,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 34 transitions, 305 flow [2021-06-11 06:56:24,183 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 34 transitions, 305 flow [2021-06-11 06:56:24,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 34 transitions, 305 flow [2021-06-11 06:56:24,200 INFO L129 PetriNetUnfolder]: 74/216 cut-off events. [2021-06-11 06:56:24,200 INFO L130 PetriNetUnfolder]: For 515/544 co-relation queries the response was YES. [2021-06-11 06:56:24,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 764 conditions, 216 events. 74/216 cut-off events. For 515/544 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1275 event pairs, 14 based on Foata normal form. 5/195 useless extension candidates. Maximal degree in co-relation 740. Up to 136 conditions per place. [2021-06-11 06:56:24,203 INFO L151 LiptonReduction]: Number of co-enabled transitions 250 [2021-06-11 06:56:24,206 INFO L163 LiptonReduction]: Checked pairs total: 105 [2021-06-11 06:56:24,206 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:56:24,206 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-06-11 06:56:24,207 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 34 transitions, 305 flow [2021-06-11 06:56:24,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 states have internal predecessors, (355), 0 states have call successors, (0), 0 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 06:56:24,207 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:56:24,207 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:56:24,207 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 06:56:24,207 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:56:24,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:56:24,208 INFO L82 PathProgramCache]: Analyzing trace with hash -313727053, now seen corresponding path program 1 times [2021-06-11 06:56:24,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:56:24,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655253998] [2021-06-11 06:56:24,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:56:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:56:24,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:24,272 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-06-11 06:56:24,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:56:24,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:24,282 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 06:56:24,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655253998] [2021-06-11 06:56:24,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:56:24,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:56:24,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488625363] [2021-06-11 06:56:24,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:56:24,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:56:24,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:56:24,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:56:24,284 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 121 [2021-06-11 06:56:24,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 34 transitions, 305 flow. Second operand has 5 states, 5 states have (on average 88.8) internal successors, (444), 5 states have internal predecessors, (444), 0 states have call successors, (0), 0 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 06:56:24,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:56:24,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 121 [2021-06-11 06:56:24,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:56:24,345 INFO L129 PetriNetUnfolder]: 78/227 cut-off events. [2021-06-11 06:56:24,345 INFO L130 PetriNetUnfolder]: For 763/1135 co-relation queries the response was YES. [2021-06-11 06:56:24,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 227 events. 78/227 cut-off events. For 763/1135 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1380 event pairs, 4 based on Foata normal form. 45/237 useless extension candidates. Maximal degree in co-relation 884. Up to 141 conditions per place. [2021-06-11 06:56:24,347 INFO L132 encePairwiseOnDemand]: 115/121 looper letters, 9 selfloop transitions, 8 changer transitions 0/41 dead transitions. [2021-06-11 06:56:24,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 41 transitions, 368 flow [2021-06-11 06:56:24,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:56:24,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:56:24,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 459 transitions. [2021-06-11 06:56:24,348 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7586776859504132 [2021-06-11 06:56:24,348 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 459 transitions. [2021-06-11 06:56:24,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 459 transitions. [2021-06-11 06:56:24,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:56:24,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 459 transitions. [2021-06-11 06:56:24,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 0 states have call successors, (0), 0 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 06:56:24,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 121.0) internal successors, (726), 6 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:24,350 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 121.0) internal successors, (726), 6 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:24,351 INFO L185 Difference]: Start difference. First operand has 46 places, 34 transitions, 305 flow. Second operand 5 states and 459 transitions. [2021-06-11 06:56:24,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 41 transitions, 368 flow [2021-06-11 06:56:24,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 41 transitions, 365 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:56:24,354 INFO L241 Difference]: Finished difference. Result has 51 places, 38 transitions, 357 flow [2021-06-11 06:56:24,354 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=357, PETRI_PLACES=51, PETRI_TRANSITIONS=38} [2021-06-11 06:56:24,354 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 24 predicate places. [2021-06-11 06:56:24,354 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:56:24,354 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 38 transitions, 357 flow [2021-06-11 06:56:24,355 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 38 transitions, 357 flow [2021-06-11 06:56:24,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 38 transitions, 357 flow [2021-06-11 06:56:24,371 INFO L129 PetriNetUnfolder]: 75/232 cut-off events. [2021-06-11 06:56:24,372 INFO L130 PetriNetUnfolder]: For 758/834 co-relation queries the response was YES. [2021-06-11 06:56:24,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 995 conditions, 232 events. 75/232 cut-off events. For 758/834 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 1487 event pairs, 3 based on Foata normal form. 10/213 useless extension candidates. Maximal degree in co-relation 968. Up to 145 conditions per place. [2021-06-11 06:56:24,375 INFO L151 LiptonReduction]: Number of co-enabled transitions 270 [2021-06-11 06:56:24,378 INFO L163 LiptonReduction]: Checked pairs total: 110 [2021-06-11 06:56:24,378 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:56:24,378 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-06-11 06:56:24,382 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 38 transitions, 357 flow [2021-06-11 06:56:24,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 88.8) internal successors, (444), 5 states have internal predecessors, (444), 0 states have call successors, (0), 0 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 06:56:24,383 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:56:24,383 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:56:24,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 06:56:24,383 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:56:24,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:56:24,383 INFO L82 PathProgramCache]: Analyzing trace with hash 547888321, now seen corresponding path program 1 times [2021-06-11 06:56:24,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:56:24,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067766962] [2021-06-11 06:56:24,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:56:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:56:24,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:24,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:24,424 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-06-11 06:56:24,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:56:24,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:24,435 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 06:56:24,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067766962] [2021-06-11 06:56:24,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:56:24,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:56:24,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604183093] [2021-06-11 06:56:24,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:56:24,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:56:24,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:56:24,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:56:24,438 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 121 [2021-06-11 06:56:24,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 38 transitions, 357 flow. Second operand has 6 states, 6 states have (on average 88.83333333333333) internal successors, (533), 6 states have internal predecessors, (533), 0 states have call successors, (0), 0 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 06:56:24,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:56:24,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 121 [2021-06-11 06:56:24,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:56:24,511 INFO L129 PetriNetUnfolder]: 72/216 cut-off events. [2021-06-11 06:56:24,512 INFO L130 PetriNetUnfolder]: For 1083/1655 co-relation queries the response was YES. [2021-06-11 06:56:24,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1069 conditions, 216 events. 72/216 cut-off events. For 1083/1655 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1319 event pairs, 3 based on Foata normal form. 60/242 useless extension candidates. Maximal degree in co-relation 1040. Up to 132 conditions per place. [2021-06-11 06:56:24,514 INFO L132 encePairwiseOnDemand]: 115/121 looper letters, 4 selfloop transitions, 11 changer transitions 0/39 dead transitions. [2021-06-11 06:56:24,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 39 transitions, 394 flow [2021-06-11 06:56:24,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:56:24,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:56:24,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 545 transitions. [2021-06-11 06:56:24,516 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7506887052341598 [2021-06-11 06:56:24,516 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 545 transitions. [2021-06-11 06:56:24,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 545 transitions. [2021-06-11 06:56:24,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:56:24,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 545 transitions. [2021-06-11 06:56:24,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 0 states have call successors, (0), 0 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 06:56:24,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 0 states have call successors, (0), 0 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 06:56:24,520 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 0 states have call successors, (0), 0 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 06:56:24,520 INFO L185 Difference]: Start difference. First operand has 51 places, 38 transitions, 357 flow. Second operand 6 states and 545 transitions. [2021-06-11 06:56:24,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 39 transitions, 394 flow [2021-06-11 06:56:24,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 39 transitions, 381 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-06-11 06:56:24,523 INFO L241 Difference]: Finished difference. Result has 56 places, 39 transitions, 389 flow [2021-06-11 06:56:24,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=389, PETRI_PLACES=56, PETRI_TRANSITIONS=39} [2021-06-11 06:56:24,524 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 29 predicate places. [2021-06-11 06:56:24,524 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:56:24,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 39 transitions, 389 flow [2021-06-11 06:56:24,525 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 39 transitions, 389 flow [2021-06-11 06:56:24,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 39 transitions, 389 flow [2021-06-11 06:56:24,541 INFO L129 PetriNetUnfolder]: 75/229 cut-off events. [2021-06-11 06:56:24,541 INFO L130 PetriNetUnfolder]: For 985/1016 co-relation queries the response was YES. [2021-06-11 06:56:24,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1046 conditions, 229 events. 75/229 cut-off events. For 985/1016 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 1429 event pairs, 2 based on Foata normal form. 4/208 useless extension candidates. Maximal degree in co-relation 1017. Up to 104 conditions per place. [2021-06-11 06:56:24,544 INFO L151 LiptonReduction]: Number of co-enabled transitions 262 [2021-06-11 06:56:24,548 INFO L163 LiptonReduction]: Checked pairs total: 105 [2021-06-11 06:56:24,548 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:56:24,548 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-06-11 06:56:24,548 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 39 transitions, 389 flow [2021-06-11 06:56:24,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 88.83333333333333) internal successors, (533), 6 states have internal predecessors, (533), 0 states have call successors, (0), 0 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 06:56:24,549 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:56:24,549 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 06:56:24,550 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 06:56:24,551 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:56:24,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:56:24,551 INFO L82 PathProgramCache]: Analyzing trace with hash -111926323, now seen corresponding path program 1 times [2021-06-11 06:56:24,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:56:24,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469587575] [2021-06-11 06:56:24,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:56:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:56:24,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:24,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:24,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:24,600 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 06:56:24,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:56:24,616 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 06:56:24,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469587575] [2021-06-11 06:56:24,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:56:24,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:56:24,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503901358] [2021-06-11 06:56:24,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:56:24,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:56:24,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:56:24,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:56:24,619 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 121 [2021-06-11 06:56:24,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 39 transitions, 389 flow. Second operand has 5 states, 5 states have (on average 91.4) internal successors, (457), 5 states have internal predecessors, (457), 0 states have call successors, (0), 0 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 06:56:24,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:56:24,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 121 [2021-06-11 06:56:24,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:56:24,686 INFO L129 PetriNetUnfolder]: 97/286 cut-off events. [2021-06-11 06:56:24,686 INFO L130 PetriNetUnfolder]: For 1373/1550 co-relation queries the response was YES. [2021-06-11 06:56:24,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1361 conditions, 286 events. 97/286 cut-off events. For 1373/1550 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 1896 event pairs, 0 based on Foata normal form. 16/259 useless extension candidates. Maximal degree in co-relation 1330. Up to 140 conditions per place. [2021-06-11 06:56:24,689 INFO L132 encePairwiseOnDemand]: 114/121 looper letters, 7 selfloop transitions, 13 changer transitions 10/49 dead transitions. [2021-06-11 06:56:24,689 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 49 transitions, 534 flow [2021-06-11 06:56:24,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:56:24,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:56:24,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 560 transitions. [2021-06-11 06:56:24,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7713498622589532 [2021-06-11 06:56:24,691 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 560 transitions. [2021-06-11 06:56:24,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 560 transitions. [2021-06-11 06:56:24,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:56:24,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 560 transitions. [2021-06-11 06:56:24,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.33333333333333) internal successors, (560), 6 states have internal predecessors, (560), 0 states have call successors, (0), 0 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 06:56:24,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 0 states have call successors, (0), 0 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 06:56:24,694 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 0 states have call successors, (0), 0 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 06:56:24,694 INFO L185 Difference]: Start difference. First operand has 56 places, 39 transitions, 389 flow. Second operand 6 states and 560 transitions. [2021-06-11 06:56:24,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 49 transitions, 534 flow [2021-06-11 06:56:24,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 49 transitions, 510 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-06-11 06:56:24,701 INFO L241 Difference]: Finished difference. Result has 60 places, 38 transitions, 386 flow [2021-06-11 06:56:24,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=60, PETRI_TRANSITIONS=38} [2021-06-11 06:56:24,701 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 33 predicate places. [2021-06-11 06:56:24,701 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:56:24,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 38 transitions, 386 flow [2021-06-11 06:56:24,702 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 38 transitions, 386 flow [2021-06-11 06:56:24,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 38 transitions, 386 flow [2021-06-11 06:56:24,717 INFO L129 PetriNetUnfolder]: 67/208 cut-off events. [2021-06-11 06:56:24,718 INFO L130 PetriNetUnfolder]: For 662/699 co-relation queries the response was YES. [2021-06-11 06:56:24,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 919 conditions, 208 events. 67/208 cut-off events. For 662/699 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 1312 event pairs, 1 based on Foata normal form. 4/186 useless extension candidates. Maximal degree in co-relation 888. Up to 74 conditions per place. [2021-06-11 06:56:24,720 INFO L151 LiptonReduction]: Number of co-enabled transitions 252 [2021-06-11 06:56:24,723 INFO L163 LiptonReduction]: Checked pairs total: 84 [2021-06-11 06:56:24,723 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:56:24,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-06-11 06:56:24,725 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 38 transitions, 386 flow [2021-06-11 06:56:24,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 91.4) internal successors, (457), 5 states have internal predecessors, (457), 0 states have call successors, (0), 0 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 06:56:24,726 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:56:24,726 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 06:56:24,726 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 06:56:24,726 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:56:24,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:56:24,726 INFO L82 PathProgramCache]: Analyzing trace with hash 421114845, now seen corresponding path program 2 times [2021-06-11 06:56:24,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:56:24,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854255968] [2021-06-11 06:56:24,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:56:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:56:24,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:24,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:24,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:24,781 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 06:56:24,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854255968] [2021-06-11 06:56:24,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:56:24,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:56:24,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610458197] [2021-06-11 06:56:24,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:56:24,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:56:24,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:56:24,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:56:24,782 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 121 [2021-06-11 06:56:24,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 38 transitions, 386 flow. Second operand has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 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 06:56:24,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:56:24,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 121 [2021-06-11 06:56:24,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:56:24,818 INFO L129 PetriNetUnfolder]: 101/295 cut-off events. [2021-06-11 06:56:24,819 INFO L130 PetriNetUnfolder]: For 1058/1154 co-relation queries the response was YES. [2021-06-11 06:56:24,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1277 conditions, 295 events. 101/295 cut-off events. For 1058/1154 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 1961 event pairs, 0 based on Foata normal form. 10/262 useless extension candidates. Maximal degree in co-relation 1244. Up to 104 conditions per place. [2021-06-11 06:56:24,821 INFO L132 encePairwiseOnDemand]: 118/121 looper letters, 3 selfloop transitions, 1 changer transitions 17/40 dead transitions. [2021-06-11 06:56:24,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 40 transitions, 422 flow [2021-06-11 06:56:24,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:56:24,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:56:24,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 394 transitions. [2021-06-11 06:56:24,822 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8140495867768595 [2021-06-11 06:56:24,822 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 394 transitions. [2021-06-11 06:56:24,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 394 transitions. [2021-06-11 06:56:24,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:56:24,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 394 transitions. [2021-06-11 06:56:24,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 0 states have call successors, (0), 0 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 06:56:24,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:24,826 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:24,826 INFO L185 Difference]: Start difference. First operand has 58 places, 38 transitions, 386 flow. Second operand 4 states and 394 transitions. [2021-06-11 06:56:24,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 40 transitions, 422 flow [2021-06-11 06:56:24,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 40 transitions, 382 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-06-11 06:56:24,833 INFO L241 Difference]: Finished difference. Result has 58 places, 23 transitions, 191 flow [2021-06-11 06:56:24,833 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=191, PETRI_PLACES=58, PETRI_TRANSITIONS=23} [2021-06-11 06:56:24,833 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 31 predicate places. [2021-06-11 06:56:24,833 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:56:24,833 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 23 transitions, 191 flow [2021-06-11 06:56:24,834 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 23 transitions, 191 flow [2021-06-11 06:56:24,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 23 transitions, 191 flow [2021-06-11 06:56:24,837 INFO L129 PetriNetUnfolder]: 6/35 cut-off events. [2021-06-11 06:56:24,837 INFO L130 PetriNetUnfolder]: For 126/127 co-relation queries the response was YES. [2021-06-11 06:56:24,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 35 events. 6/35 cut-off events. For 126/127 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 60 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 144. Up to 10 conditions per place. [2021-06-11 06:56:24,837 INFO L151 LiptonReduction]: Number of co-enabled transitions 36 [2021-06-11 06:56:24,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:24,874 INFO L163 LiptonReduction]: Checked pairs total: 7 [2021-06-11 06:56:24,874 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 06:56:24,874 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-06-11 06:56:24,875 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 22 transitions, 189 flow [2021-06-11 06:56:24,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 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 06:56:24,875 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:56:24,875 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 06:56:24,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 06:56:24,875 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:56:24,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:56:24,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1675547971, now seen corresponding path program 3 times [2021-06-11 06:56:24,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:56:24,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130131257] [2021-06-11 06:56:24,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:56:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:56:24,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:24,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:24,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:56:24,909 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 06:56:24,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130131257] [2021-06-11 06:56:24,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:56:24,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:56:24,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636769862] [2021-06-11 06:56:24,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:56:24,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:56:24,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:56:24,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:56:24,911 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 122 [2021-06-11 06:56:24,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 22 transitions, 189 flow. Second operand has 4 states, 4 states have (on average 95.5) internal successors, (382), 4 states have internal predecessors, (382), 0 states have call successors, (0), 0 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 06:56:24,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:56:24,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 122 [2021-06-11 06:56:24,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:56:24,928 INFO L129 PetriNetUnfolder]: 6/32 cut-off events. [2021-06-11 06:56:24,928 INFO L130 PetriNetUnfolder]: For 161/163 co-relation queries the response was YES. [2021-06-11 06:56:24,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 32 events. 6/32 cut-off events. For 161/163 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 56 event pairs, 0 based on Foata normal form. 2/33 useless extension candidates. Maximal degree in co-relation 148. Up to 9 conditions per place. [2021-06-11 06:56:24,929 INFO L132 encePairwiseOnDemand]: 119/122 looper letters, 0 selfloop transitions, 0 changer transitions 21/21 dead transitions. [2021-06-11 06:56:24,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 21 transitions, 175 flow [2021-06-11 06:56:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:56:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:56:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 382 transitions. [2021-06-11 06:56:24,930 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7827868852459017 [2021-06-11 06:56:24,930 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 382 transitions. [2021-06-11 06:56:24,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 382 transitions. [2021-06-11 06:56:24,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:56:24,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 382 transitions. [2021-06-11 06:56:24,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 95.5) internal successors, (382), 4 states have internal predecessors, (382), 0 states have call successors, (0), 0 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 06:56:24,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:24,932 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:56:24,932 INFO L185 Difference]: Start difference. First operand has 56 places, 22 transitions, 189 flow. Second operand 4 states and 382 transitions. [2021-06-11 06:56:24,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 21 transitions, 175 flow [2021-06-11 06:56:24,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 21 transitions, 92 flow, removed 3 selfloop flow, removed 24 redundant places. [2021-06-11 06:56:24,933 INFO L241 Difference]: Finished difference. Result has 34 places, 0 transitions, 0 flow [2021-06-11 06:56:24,934 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=34, PETRI_TRANSITIONS=0} [2021-06-11 06:56:24,934 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 7 predicate places. [2021-06-11 06:56:24,934 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:56:24,934 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 0 transitions, 0 flow [2021-06-11 06:56:24,934 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 0 transitions, 0 flow [2021-06-11 06:56:24,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 06:56:24,935 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 06:56:24,935 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:56:24,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-06-11 06:56:24,935 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 06:56:24,935 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 06:56:24,935 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:56:24,935 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-06-11 06:56:24,935 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 06:56:24,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 95.5) internal successors, (382), 4 states have internal predecessors, (382), 0 states have call successors, (0), 0 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 06:56:24,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 06:56:24,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:56:24 BasicIcfg [2021-06-11 06:56:24,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 06:56:24,941 INFO L168 Benchmark]: Toolchain (without parser) took 6209.97 ms. Allocated memory was 335.5 MB in the beginning and 402.7 MB in the end (delta: 67.1 MB). Free memory was 297.7 MB in the beginning and 192.4 MB in the end (delta: 105.3 MB). Peak memory consumption was 173.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:56:24,941 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 335.5 MB. Free memory is still 315.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 06:56:24,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.89 ms. Allocated memory is still 335.5 MB. Free memory was 297.5 MB in the beginning and 297.4 MB in the end (delta: 111.5 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-06-11 06:56:24,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.93 ms. Allocated memory is still 335.5 MB. Free memory was 297.4 MB in the beginning and 295.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:56:24,941 INFO L168 Benchmark]: Boogie Preprocessor took 14.00 ms. Allocated memory is still 335.5 MB. Free memory was 295.3 MB in the beginning and 294.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:56:24,942 INFO L168 Benchmark]: RCFGBuilder took 331.66 ms. Allocated memory is still 335.5 MB. Free memory was 294.2 MB in the beginning and 269.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:56:24,942 INFO L168 Benchmark]: TraceAbstraction took 5495.62 ms. Allocated memory was 335.5 MB in the beginning and 402.7 MB in the end (delta: 67.1 MB). Free memory was 269.1 MB in the beginning and 192.4 MB in the end (delta: 76.7 MB). Peak memory consumption was 142.8 MB. Max. memory is 16.0 GB. [2021-06-11 06:56:24,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 335.5 MB. Free memory is still 315.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 333.89 ms. Allocated memory is still 335.5 MB. Free memory was 297.5 MB in the beginning and 297.4 MB in the end (delta: 111.5 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.93 ms. Allocated memory is still 335.5 MB. Free memory was 297.4 MB in the beginning and 295.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.00 ms. Allocated memory is still 335.5 MB. Free memory was 295.3 MB in the beginning and 294.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 331.66 ms. Allocated memory is still 335.5 MB. Free memory was 294.2 MB in the beginning and 269.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5495.62 ms. Allocated memory was 335.5 MB in the beginning and 402.7 MB in the end (delta: 67.1 MB). Free memory was 269.1 MB in the beginning and 192.4 MB in the end (delta: 76.7 MB). Peak memory consumption was 142.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3653.6ms, 69 PlacesBefore, 27 PlacesAfterwards, 60 TransitionsBefore, 17 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 46 TotalNumberOfCompositions, 1456 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 935, positive: 863, positive conditional: 0, positive unconditional: 863, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 604, positive: 573, positive conditional: 0, positive unconditional: 573, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 604, positive: 573, positive conditional: 0, positive unconditional: 573, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 604, positive: 565, positive conditional: 0, positive unconditional: 565, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 279, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 238, negative conditional: 0, negative unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 935, positive: 290, positive conditional: 0, positive unconditional: 290, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 604, unknown conditional: 0, unknown unconditional: 604] , Statistics on independence cache: Total cache size (in pairs): 979, Positive cache size: 948, Positive conditional cache size: 0, Positive unconditional cache size: 948, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.3ms, 28 PlacesBefore, 28 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 46 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 979, Positive cache size: 948, Positive conditional cache size: 0, Positive unconditional cache size: 948, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.8ms, 32 PlacesBefore, 32 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 68 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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: 25, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 979, Positive cache size: 948, Positive conditional cache size: 0, Positive unconditional cache size: 948, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7ms, 37 PlacesBefore, 37 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 91 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 979, Positive cache size: 948, Positive conditional cache size: 0, Positive unconditional cache size: 948, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.5ms, 42 PlacesBefore, 42 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 112 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 21, positive: 15, positive conditional: 0, positive unconditional: 15, 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): 979, Positive cache size: 948, Positive conditional cache size: 0, Positive unconditional cache size: 948, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.1ms, 46 PlacesBefore, 46 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 105 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 979, Positive cache size: 948, Positive conditional cache size: 0, Positive unconditional cache size: 948, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.8ms, 51 PlacesBefore, 51 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 110 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 979, Positive cache size: 948, Positive conditional cache size: 0, Positive unconditional cache size: 948, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.1ms, 56 PlacesBefore, 56 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 262 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 105 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 979, Positive cache size: 948, Positive conditional cache size: 0, Positive unconditional cache size: 948, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.3ms, 60 PlacesBefore, 58 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 84 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 979, Positive cache size: 948, Positive conditional cache size: 0, Positive unconditional cache size: 948, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.6ms, 58 PlacesBefore, 56 PlacesAfterwards, 23 TransitionsBefore, 22 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 7 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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): 1011, Positive cache size: 980, Positive conditional cache size: 0, Positive unconditional cache size: 980, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5ms, 34 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1011, Positive cache size: 980, Positive conditional cache size: 0, Positive unconditional cache size: 980, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 5403.1ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 635.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3762.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 50 SDtfs, 28 SDslu, 28 SDs, 0 SdLazy, 114 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 143.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 186.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=389occurred in iteration=7, InterpolantAutomatonStates: 44, 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: 19.6ms SsaConstructionTime, 165.8ms SatisfiabilityAnalysisTime, 479.9ms InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 577 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...