/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe011_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 00:39:19,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 00:39:19,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 00:39:19,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 00:39:19,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 00:39:19,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 00:39:19,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 00:39:19,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 00:39:19,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 00:39:19,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 00:39:19,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 00:39:19,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 00:39:19,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 00:39:19,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 00:39:19,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 00:39:19,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 00:39:19,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 00:39:19,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 00:39:19,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 00:39:19,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 00:39:19,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 00:39:19,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 00:39:19,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 00:39:19,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 00:39:19,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 00:39:19,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 00:39:19,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 00:39:19,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 00:39:19,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 00:39:19,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 00:39:19,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 00:39:19,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 00:39:19,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 00:39:19,428 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 00:39:19,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 00:39:19,429 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 00:39:19,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 00:39:19,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 00:39:19,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 00:39:19,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 00:39:19,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 00:39:19,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 00:39:19,430 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 00:39:19,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 00:39:19,430 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 00:39:19,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 00:39:19,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 00:39:19,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 00:39:19,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 00:39:19,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 00:39:19,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:39:19,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 00:39:19,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 00:39:19,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 00:39:19,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 00:39:19,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 00:39:19,432 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 00:39:19,432 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 00:39:19,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 00:39:19,433 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 00:39:19,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 00:39:19,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 00:39:19,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 00:39:19,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 00:39:19,767 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 00:39:19,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_rmo.opt.i [2021-03-26 00:39:19,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c3bbca00/cfec3d83d8794c4aab08d1cc54bcdb02/FLAG86c9c9722 [2021-03-26 00:39:20,433 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 00:39:20,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_rmo.opt.i [2021-03-26 00:39:20,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c3bbca00/cfec3d83d8794c4aab08d1cc54bcdb02/FLAG86c9c9722 [2021-03-26 00:39:20,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c3bbca00/cfec3d83d8794c4aab08d1cc54bcdb02 [2021-03-26 00:39:20,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 00:39:20,837 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 00:39:20,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 00:39:20,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 00:39:20,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 00:39:20,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:39:20" (1/1) ... [2021-03-26 00:39:20,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190cfb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:20, skipping insertion in model container [2021-03-26 00:39:20,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:39:20" (1/1) ... [2021-03-26 00:39:20,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 00:39:20,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 00:39:21,038 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/safe011_rmo.opt.i[949,962] [2021-03-26 00:39:21,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:39:21,262 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 00:39:21,277 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/safe011_rmo.opt.i[949,962] [2021-03-26 00:39:21,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:39:21,401 INFO L208 MainTranslator]: Completed translation [2021-03-26 00:39:21,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:21 WrapperNode [2021-03-26 00:39:21,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 00:39:21,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 00:39:21,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 00:39:21,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 00:39:21,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:21" (1/1) ... [2021-03-26 00:39:21,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:21" (1/1) ... [2021-03-26 00:39:21,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 00:39:21,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 00:39:21,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 00:39:21,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 00:39:21,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:21" (1/1) ... [2021-03-26 00:39:21,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:21" (1/1) ... [2021-03-26 00:39:21,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:21" (1/1) ... [2021-03-26 00:39:21,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:21" (1/1) ... [2021-03-26 00:39:21,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:21" (1/1) ... [2021-03-26 00:39:21,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:21" (1/1) ... [2021-03-26 00:39:21,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:21" (1/1) ... [2021-03-26 00:39:21,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 00:39:21,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 00:39:21,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 00:39:21,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 00:39:21,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:39:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 00:39:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 00:39:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 00:39:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 00:39:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 00:39:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 00:39:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 00:39:21,567 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 00:39:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 00:39:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 00:39:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 00:39:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 00:39:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 00:39:21,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 00:39:21,569 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 00:39:23,308 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 00:39:23,308 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 00:39:23,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:39:23 BoogieIcfgContainer [2021-03-26 00:39:23,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 00:39:23,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 00:39:23,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 00:39:23,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 00:39:23,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 12:39:20" (1/3) ... [2021-03-26 00:39:23,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60adcd74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:39:23, skipping insertion in model container [2021-03-26 00:39:23,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:39:21" (2/3) ... [2021-03-26 00:39:23,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60adcd74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:39:23, skipping insertion in model container [2021-03-26 00:39:23,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:39:23" (3/3) ... [2021-03-26 00:39:23,316 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_rmo.opt.i [2021-03-26 00:39:23,321 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 00:39:23,326 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 00:39:23,326 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 00:39:23,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,354 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,354 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,355 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,355 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,355 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,355 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,356 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,356 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,359 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,359 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,359 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,360 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,360 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,363 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,363 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,363 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,363 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,371 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,371 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,373 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:39:23,375 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:39:23,391 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 00:39:23,407 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:39:23,408 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:39:23,408 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:39:23,408 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:39:23,408 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:39:23,408 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:39:23,408 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:39:23,408 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:39:23,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-03-26 00:39:23,448 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-03-26 00:39:23,448 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:39:23,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-26 00:39:23,452 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-03-26 00:39:23,456 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-03-26 00:39:23,457 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:23,467 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-03-26 00:39:23,469 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-03-26 00:39:23,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-03-26 00:39:23,487 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-03-26 00:39:23,487 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:39:23,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-26 00:39:23,490 INFO L142 LiptonReduction]: Number of co-enabled transitions 1694 [2021-03-26 00:39:25,273 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-03-26 00:39:25,603 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-03-26 00:39:26,907 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-03-26 00:39:27,488 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-03-26 00:39:27,672 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 00:39:28,097 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-26 00:39:28,213 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 00:39:29,278 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-26 00:39:29,564 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-26 00:39:30,174 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-26 00:39:30,805 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-26 00:39:31,042 INFO L154 LiptonReduction]: Checked pairs total: 3065 [2021-03-26 00:39:31,043 INFO L156 LiptonReduction]: Total number of compositions: 64 [2021-03-26 00:39:31,045 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7589 [2021-03-26 00:39:31,053 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-03-26 00:39:31,053 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:39:31,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:31,054 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:31,054 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:31,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:31,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1571617397, now seen corresponding path program 1 times [2021-03-26 00:39:31,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:31,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450226668] [2021-03-26 00:39:31,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:31,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:31,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:39:31,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:31,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:39:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:31,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450226668] [2021-03-26 00:39:31,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:31,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:39:31,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126562513] [2021-03-26 00:39:31,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:39:31,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:31,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:39:31,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:39:31,257 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 161 [2021-03-26 00:39:31,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:31,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:31,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 161 [2021-03-26 00:39:31,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:31,365 INFO L129 PetriNetUnfolder]: 69/200 cut-off events. [2021-03-26 00:39:31,365 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:39:31,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 200 events. 69/200 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 953 event pairs, 54 based on Foata normal form. 11/193 useless extension candidates. Maximal degree in co-relation 309. Up to 89 conditions per place. [2021-03-26 00:39:31,370 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 9 selfloop transitions, 2 changer transitions 5/41 dead transitions. [2021-03-26 00:39:31,370 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 41 transitions, 117 flow [2021-03-26 00:39:31,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:39:31,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:39:31,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 433 transitions. [2021-03-26 00:39:31,387 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8964803312629399 [2021-03-26 00:39:31,388 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 433 transitions. [2021-03-26 00:39:31,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 433 transitions. [2021-03-26 00:39:31,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:31,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 433 transitions. [2021-03-26 00:39:31,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:31,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:31,411 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:31,412 INFO L185 Difference]: Start difference. First operand has 48 places, 39 transitions, 87 flow. Second operand 3 states and 433 transitions. [2021-03-26 00:39:31,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 41 transitions, 117 flow [2021-03-26 00:39:31,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 41 transitions, 114 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 00:39:31,417 INFO L241 Difference]: Finished difference. Result has 45 places, 32 transitions, 74 flow [2021-03-26 00:39:31,418 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=45, PETRI_TRANSITIONS=32} [2021-03-26 00:39:31,419 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2021-03-26 00:39:31,419 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:31,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 32 transitions, 74 flow [2021-03-26 00:39:31,420 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 32 transitions, 74 flow [2021-03-26 00:39:31,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 32 transitions, 74 flow [2021-03-26 00:39:31,425 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-03-26 00:39:31,425 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:39:31,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 32 events. 0/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 39 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 00:39:31,427 INFO L142 LiptonReduction]: Number of co-enabled transitions 264 [2021-03-26 00:39:32,080 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 00:39:32,392 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 00:39:32,973 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-03-26 00:39:33,591 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-03-26 00:39:34,024 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-03-26 00:39:34,187 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-03-26 00:39:34,237 INFO L154 LiptonReduction]: Checked pairs total: 942 [2021-03-26 00:39:34,237 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-26 00:39:34,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2818 [2021-03-26 00:39:34,239 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 58 flow [2021-03-26 00:39:34,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:34,239 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:34,239 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:34,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 00:39:34,240 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:34,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:34,240 INFO L82 PathProgramCache]: Analyzing trace with hash -72729481, now seen corresponding path program 1 times [2021-03-26 00:39:34,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:34,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690416270] [2021-03-26 00:39:34,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:34,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:34,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:39:34,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:34,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:39:34,373 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 00:39:34,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:39:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:34,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690416270] [2021-03-26 00:39:34,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:34,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:39:34,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628803307] [2021-03-26 00:39:34,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:39:34,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:34,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:39:34,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:39:34,379 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 169 [2021-03-26 00:39:34,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:34,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:34,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 169 [2021-03-26 00:39:34,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:34,392 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-26 00:39:34,392 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:39:34,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 24 events. 0/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 38 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 00:39:34,393 INFO L132 encePairwiseOnDemand]: 166/169 looper letters, 1 selfloop transitions, 2 changer transitions 1/24 dead transitions. [2021-03-26 00:39:34,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 24 transitions, 64 flow [2021-03-26 00:39:34,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:39:34,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:39:34,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2021-03-26 00:39:34,395 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2021-03-26 00:39:34,395 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 442 transitions. [2021-03-26 00:39:34,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 442 transitions. [2021-03-26 00:39:34,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:34,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 442 transitions. [2021-03-26 00:39:34,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:34,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:34,398 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:34,398 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 58 flow. Second operand 3 states and 442 transitions. [2021-03-26 00:39:34,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 24 transitions, 64 flow [2021-03-26 00:39:34,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 24 transitions, 60 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:39:34,399 INFO L241 Difference]: Finished difference. Result has 34 places, 23 transitions, 60 flow [2021-03-26 00:39:34,399 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=34, PETRI_TRANSITIONS=23} [2021-03-26 00:39:34,400 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -14 predicate places. [2021-03-26 00:39:34,400 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:34,400 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 23 transitions, 60 flow [2021-03-26 00:39:34,400 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 23 transitions, 60 flow [2021-03-26 00:39:34,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 23 transitions, 60 flow [2021-03-26 00:39:34,404 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-26 00:39:34,404 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:39:34,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 00:39:34,404 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-26 00:39:34,998 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-03-26 00:39:35,143 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-26 00:39:35,443 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-03-26 00:39:35,580 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-26 00:39:35,583 INFO L154 LiptonReduction]: Checked pairs total: 777 [2021-03-26 00:39:35,583 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:39:35,583 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1183 [2021-03-26 00:39:35,584 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 56 flow [2021-03-26 00:39:35,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:35,585 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:35,585 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:35,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:39:35,585 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:35,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:35,586 INFO L82 PathProgramCache]: Analyzing trace with hash -721798440, now seen corresponding path program 1 times [2021-03-26 00:39:35,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:35,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648105027] [2021-03-26 00:39:35,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:35,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:35,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:39:35,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:35,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:39:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:35,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648105027] [2021-03-26 00:39:35,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:35,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:39:35,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308356167] [2021-03-26 00:39:35,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:39:35,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:35,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:39:35,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:39:35,681 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 171 [2021-03-26 00:39:35,682 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 56 flow. Second operand has 4 states, 4 states have (on average 145.75) internal successors, (583), 4 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:35,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:35,682 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 171 [2021-03-26 00:39:35,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:35,715 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-26 00:39:35,715 INFO L130 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2021-03-26 00:39:35,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 28 events. 0/28 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 61 event pairs, 0 based on Foata normal form. 3/31 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-26 00:39:35,716 INFO L132 encePairwiseOnDemand]: 167/171 looper letters, 1 selfloop transitions, 3 changer transitions 1/22 dead transitions. [2021-03-26 00:39:35,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 22 transitions, 71 flow [2021-03-26 00:39:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:39:35,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:39:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 587 transitions. [2021-03-26 00:39:35,718 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8581871345029239 [2021-03-26 00:39:35,718 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 587 transitions. [2021-03-26 00:39:35,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 587 transitions. [2021-03-26 00:39:35,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:35,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 587 transitions. [2021-03-26 00:39:35,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:35,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:35,722 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:35,722 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 56 flow. Second operand 4 states and 587 transitions. [2021-03-26 00:39:35,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 22 transitions, 71 flow [2021-03-26 00:39:35,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 22 transitions, 65 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:39:35,723 INFO L241 Difference]: Finished difference. Result has 34 places, 21 transitions, 66 flow [2021-03-26 00:39:35,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=66, PETRI_PLACES=34, PETRI_TRANSITIONS=21} [2021-03-26 00:39:35,724 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -14 predicate places. [2021-03-26 00:39:35,724 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:35,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 21 transitions, 66 flow [2021-03-26 00:39:35,724 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 21 transitions, 66 flow [2021-03-26 00:39:35,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 21 transitions, 66 flow [2021-03-26 00:39:35,728 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-03-26 00:39:35,728 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 00:39:35,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 21 events. 0/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 00:39:35,728 INFO L142 LiptonReduction]: Number of co-enabled transitions 194 [2021-03-26 00:39:35,948 INFO L154 LiptonReduction]: Checked pairs total: 414 [2021-03-26 00:39:35,949 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:39:35,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 225 [2021-03-26 00:39:35,950 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 20 transitions, 64 flow [2021-03-26 00:39:35,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 145.75) internal successors, (583), 4 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:35,951 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:35,951 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:35,951 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:39:35,951 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:35,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:35,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1884082186, now seen corresponding path program 1 times [2021-03-26 00:39:35,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:35,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166665663] [2021-03-26 00:39:35,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:36,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:36,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 00:39:36,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:36,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:39:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:36,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166665663] [2021-03-26 00:39:36,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:36,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:39:36,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043683505] [2021-03-26 00:39:36,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:39:36,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:36,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:39:36,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:39:36,095 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 172 [2021-03-26 00:39:36,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 20 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:36,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:36,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 172 [2021-03-26 00:39:36,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:36,179 INFO L129 PetriNetUnfolder]: 77/159 cut-off events. [2021-03-26 00:39:36,179 INFO L130 PetriNetUnfolder]: For 91/94 co-relation queries the response was YES. [2021-03-26 00:39:36,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 159 events. 77/159 cut-off events. For 91/94 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 595 event pairs, 17 based on Foata normal form. 4/157 useless extension candidates. Maximal degree in co-relation 340. Up to 120 conditions per place. [2021-03-26 00:39:36,181 INFO L132 encePairwiseOnDemand]: 166/172 looper letters, 10 selfloop transitions, 6 changer transitions 0/28 dead transitions. [2021-03-26 00:39:36,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 28 transitions, 112 flow [2021-03-26 00:39:36,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:39:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:39:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 534 transitions. [2021-03-26 00:39:36,184 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7761627906976745 [2021-03-26 00:39:36,184 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 534 transitions. [2021-03-26 00:39:36,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 534 transitions. [2021-03-26 00:39:36,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:36,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 534 transitions. [2021-03-26 00:39:36,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 133.5) internal successors, (534), 4 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:36,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:36,187 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:36,188 INFO L185 Difference]: Start difference. First operand has 33 places, 20 transitions, 64 flow. Second operand 4 states and 534 transitions. [2021-03-26 00:39:36,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 28 transitions, 112 flow [2021-03-26 00:39:36,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 28 transitions, 100 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-26 00:39:36,194 INFO L241 Difference]: Finished difference. Result has 34 places, 25 transitions, 93 flow [2021-03-26 00:39:36,194 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=93, PETRI_PLACES=34, PETRI_TRANSITIONS=25} [2021-03-26 00:39:36,194 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -14 predicate places. [2021-03-26 00:39:36,194 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:36,194 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 25 transitions, 93 flow [2021-03-26 00:39:36,195 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 25 transitions, 93 flow [2021-03-26 00:39:36,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 25 transitions, 93 flow [2021-03-26 00:39:36,204 INFO L129 PetriNetUnfolder]: 17/62 cut-off events. [2021-03-26 00:39:36,204 INFO L130 PetriNetUnfolder]: For 32/38 co-relation queries the response was YES. [2021-03-26 00:39:36,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 62 events. 17/62 cut-off events. For 32/38 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 223 event pairs, 9 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 131. Up to 30 conditions per place. [2021-03-26 00:39:36,205 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-26 00:39:36,310 INFO L154 LiptonReduction]: Checked pairs total: 237 [2021-03-26 00:39:36,310 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:39:36,310 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 116 [2021-03-26 00:39:36,311 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 95 flow [2021-03-26 00:39:36,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:36,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:36,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:36,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:39:36,316 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:36,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:36,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1409315486, now seen corresponding path program 1 times [2021-03-26 00:39:36,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:36,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185251926] [2021-03-26 00:39:36,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:36,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:36,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:39:36,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:36,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 00:39:36,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:36,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 00:39:36,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:36,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185251926] [2021-03-26 00:39:36,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:36,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:39:36,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456600996] [2021-03-26 00:39:36,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:39:36,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:36,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:39:36,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:39:36,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 173 [2021-03-26 00:39:36,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 95 flow. Second operand has 5 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:36,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:36,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 173 [2021-03-26 00:39:36,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:36,551 INFO L129 PetriNetUnfolder]: 76/180 cut-off events. [2021-03-26 00:39:36,551 INFO L130 PetriNetUnfolder]: For 127/151 co-relation queries the response was YES. [2021-03-26 00:39:36,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 180 events. 76/180 cut-off events. For 127/151 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 853 event pairs, 8 based on Foata normal form. 17/192 useless extension candidates. Maximal degree in co-relation 446. Up to 85 conditions per place. [2021-03-26 00:39:36,554 INFO L132 encePairwiseOnDemand]: 166/173 looper letters, 12 selfloop transitions, 12 changer transitions 0/36 dead transitions. [2021-03-26 00:39:36,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 36 transitions, 175 flow [2021-03-26 00:39:36,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:39:36,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:39:36,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 669 transitions. [2021-03-26 00:39:36,558 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7734104046242775 [2021-03-26 00:39:36,558 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 669 transitions. [2021-03-26 00:39:36,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 669 transitions. [2021-03-26 00:39:36,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:36,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 669 transitions. [2021-03-26 00:39:36,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:36,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:36,563 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:36,563 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 95 flow. Second operand 5 states and 669 transitions. [2021-03-26 00:39:36,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 36 transitions, 175 flow [2021-03-26 00:39:36,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 36 transitions, 175 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 00:39:36,565 INFO L241 Difference]: Finished difference. Result has 41 places, 31 transitions, 173 flow [2021-03-26 00:39:36,565 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=173, PETRI_PLACES=41, PETRI_TRANSITIONS=31} [2021-03-26 00:39:36,565 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -7 predicate places. [2021-03-26 00:39:36,565 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:36,565 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 31 transitions, 173 flow [2021-03-26 00:39:36,565 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 31 transitions, 173 flow [2021-03-26 00:39:36,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 31 transitions, 173 flow [2021-03-26 00:39:36,578 INFO L129 PetriNetUnfolder]: 30/93 cut-off events. [2021-03-26 00:39:36,578 INFO L130 PetriNetUnfolder]: For 186/213 co-relation queries the response was YES. [2021-03-26 00:39:36,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 93 events. 30/93 cut-off events. For 186/213 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 364 event pairs, 4 based on Foata normal form. 2/92 useless extension candidates. Maximal degree in co-relation 297. Up to 47 conditions per place. [2021-03-26 00:39:36,580 INFO L142 LiptonReduction]: Number of co-enabled transitions 242 [2021-03-26 00:39:36,856 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-03-26 00:39:37,302 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 89 [2021-03-26 00:39:37,425 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-26 00:39:37,475 INFO L154 LiptonReduction]: Checked pairs total: 344 [2021-03-26 00:39:37,475 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:39:37,475 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 910 [2021-03-26 00:39:37,482 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 31 transitions, 180 flow [2021-03-26 00:39:37,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:37,483 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:37,483 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:37,483 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:39:37,483 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:37,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:37,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1782665379, now seen corresponding path program 1 times [2021-03-26 00:39:37,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:37,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830413873] [2021-03-26 00:39:37,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:37,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:37,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 00:39:37,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:37,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:39:37,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:37,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:39:37,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:37,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:39:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:37,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830413873] [2021-03-26 00:39:37,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:37,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:39:37,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944487054] [2021-03-26 00:39:37,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:39:37,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:37,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:39:37,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:39:37,664 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 175 [2021-03-26 00:39:37,665 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 31 transitions, 180 flow. Second operand has 6 states, 6 states have (on average 128.83333333333334) internal successors, (773), 6 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:37,665 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:37,665 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 175 [2021-03-26 00:39:37,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:37,759 INFO L129 PetriNetUnfolder]: 74/169 cut-off events. [2021-03-26 00:39:37,759 INFO L130 PetriNetUnfolder]: For 318/336 co-relation queries the response was YES. [2021-03-26 00:39:37,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 644 conditions, 169 events. 74/169 cut-off events. For 318/336 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 738 event pairs, 11 based on Foata normal form. 10/172 useless extension candidates. Maximal degree in co-relation 627. Up to 116 conditions per place. [2021-03-26 00:39:37,761 INFO L132 encePairwiseOnDemand]: 167/175 looper letters, 16 selfloop transitions, 8 changer transitions 0/36 dead transitions. [2021-03-26 00:39:37,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 36 transitions, 250 flow [2021-03-26 00:39:37,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:39:37,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:39:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 531 transitions. [2021-03-26 00:39:37,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7585714285714286 [2021-03-26 00:39:37,764 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 531 transitions. [2021-03-26 00:39:37,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 531 transitions. [2021-03-26 00:39:37,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:37,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 531 transitions. [2021-03-26 00:39:37,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 132.75) internal successors, (531), 4 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:37,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 175.0) internal successors, (875), 5 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:37,769 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 175.0) internal successors, (875), 5 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:37,769 INFO L185 Difference]: Start difference. First operand has 41 places, 31 transitions, 180 flow. Second operand 4 states and 531 transitions. [2021-03-26 00:39:37,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 36 transitions, 250 flow [2021-03-26 00:39:37,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 36 transitions, 238 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-26 00:39:37,775 INFO L241 Difference]: Finished difference. Result has 44 places, 33 transitions, 205 flow [2021-03-26 00:39:37,776 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=205, PETRI_PLACES=44, PETRI_TRANSITIONS=33} [2021-03-26 00:39:37,776 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2021-03-26 00:39:37,776 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:37,776 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 33 transitions, 205 flow [2021-03-26 00:39:37,776 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 33 transitions, 205 flow [2021-03-26 00:39:37,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 33 transitions, 205 flow [2021-03-26 00:39:37,801 INFO L129 PetriNetUnfolder]: 32/91 cut-off events. [2021-03-26 00:39:37,801 INFO L130 PetriNetUnfolder]: For 270/303 co-relation queries the response was YES. [2021-03-26 00:39:37,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 91 events. 32/91 cut-off events. For 270/303 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 348 event pairs, 5 based on Foata normal form. 2/93 useless extension candidates. Maximal degree in co-relation 319. Up to 45 conditions per place. [2021-03-26 00:39:37,803 INFO L142 LiptonReduction]: Number of co-enabled transitions 250 [2021-03-26 00:39:37,879 INFO L154 LiptonReduction]: Checked pairs total: 373 [2021-03-26 00:39:37,879 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:39:37,879 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-03-26 00:39:37,880 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 33 transitions, 207 flow [2021-03-26 00:39:37,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 128.83333333333334) internal successors, (773), 6 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:37,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:37,881 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:37,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:39:37,881 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:37,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:37,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1375520808, now seen corresponding path program 1 times [2021-03-26 00:39:37,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:37,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700374198] [2021-03-26 00:39:37,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:37,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:37,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:39:37,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:37,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 00:39:37,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:38,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 00:39:38,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:38,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 00:39:38,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:38,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 00:39:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:38,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700374198] [2021-03-26 00:39:38,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:38,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:39:38,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533824767] [2021-03-26 00:39:38,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 00:39:38,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:38,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 00:39:38,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-26 00:39:38,049 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 176 [2021-03-26 00:39:38,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 33 transitions, 207 flow. Second operand has 7 states, 7 states have (on average 124.85714285714286) internal successors, (874), 7 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:38,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:38,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 176 [2021-03-26 00:39:38,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:38,193 INFO L129 PetriNetUnfolder]: 86/213 cut-off events. [2021-03-26 00:39:38,193 INFO L130 PetriNetUnfolder]: For 707/742 co-relation queries the response was YES. [2021-03-26 00:39:38,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 213 events. 86/213 cut-off events. For 707/742 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1048 event pairs, 9 based on Foata normal form. 25/235 useless extension candidates. Maximal degree in co-relation 791. Up to 93 conditions per place. [2021-03-26 00:39:38,195 INFO L132 encePairwiseOnDemand]: 166/176 looper letters, 15 selfloop transitions, 20 changer transitions 0/47 dead transitions. [2021-03-26 00:39:38,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 47 transitions, 355 flow [2021-03-26 00:39:38,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:39:38,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:39:38,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 896 transitions. [2021-03-26 00:39:38,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7272727272727273 [2021-03-26 00:39:38,199 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 896 transitions. [2021-03-26 00:39:38,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 896 transitions. [2021-03-26 00:39:38,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:38,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 896 transitions. [2021-03-26 00:39:38,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:38,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 176.0) internal successors, (1408), 8 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:38,203 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 176.0) internal successors, (1408), 8 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:38,204 INFO L185 Difference]: Start difference. First operand has 44 places, 33 transitions, 207 flow. Second operand 7 states and 896 transitions. [2021-03-26 00:39:38,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 47 transitions, 355 flow [2021-03-26 00:39:38,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 47 transitions, 324 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-26 00:39:38,207 INFO L241 Difference]: Finished difference. Result has 51 places, 39 transitions, 296 flow [2021-03-26 00:39:38,207 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=296, PETRI_PLACES=51, PETRI_TRANSITIONS=39} [2021-03-26 00:39:38,208 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 3 predicate places. [2021-03-26 00:39:38,208 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:38,208 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 39 transitions, 296 flow [2021-03-26 00:39:38,208 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 39 transitions, 296 flow [2021-03-26 00:39:38,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 39 transitions, 296 flow [2021-03-26 00:39:38,223 INFO L129 PetriNetUnfolder]: 32/114 cut-off events. [2021-03-26 00:39:38,224 INFO L130 PetriNetUnfolder]: For 440/495 co-relation queries the response was YES. [2021-03-26 00:39:38,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 114 events. 32/114 cut-off events. For 440/495 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 491 event pairs, 3 based on Foata normal form. 3/117 useless extension candidates. Maximal degree in co-relation 424. Up to 57 conditions per place. [2021-03-26 00:39:38,225 INFO L142 LiptonReduction]: Number of co-enabled transitions 294 [2021-03-26 00:39:38,468 INFO L154 LiptonReduction]: Checked pairs total: 405 [2021-03-26 00:39:38,468 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:39:38,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 260 [2021-03-26 00:39:38,470 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 39 transitions, 296 flow [2021-03-26 00:39:38,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 124.85714285714286) internal successors, (874), 7 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:38,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:38,471 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:38,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 00:39:38,471 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:38,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:38,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1057279717, now seen corresponding path program 1 times [2021-03-26 00:39:38,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:38,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619058757] [2021-03-26 00:39:38,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:38,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:38,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:39:38,567 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-26 00:39:38,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 00:39:38,601 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-03-26 00:39:38,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 00:39:38,628 INFO L142 QuantifierPusher]: treesize reduction 26, result has 58.7 percent of original size [2021-03-26 00:39:38,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 00:39:38,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:38,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:39:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:38,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619058757] [2021-03-26 00:39:38,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:38,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:39:38,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39559523] [2021-03-26 00:39:38,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 00:39:38,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:38,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 00:39:38,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 00:39:38,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 176 [2021-03-26 00:39:38,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 39 transitions, 296 flow. Second operand has 7 states, 7 states have (on average 125.85714285714286) internal successors, (881), 7 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:38,664 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:38,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 176 [2021-03-26 00:39:38,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:38,813 INFO L129 PetriNetUnfolder]: 86/228 cut-off events. [2021-03-26 00:39:38,813 INFO L130 PetriNetUnfolder]: For 738/771 co-relation queries the response was YES. [2021-03-26 00:39:38,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 935 conditions, 228 events. 86/228 cut-off events. For 738/771 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1213 event pairs, 14 based on Foata normal form. 10/234 useless extension candidates. Maximal degree in co-relation 913. Up to 100 conditions per place. [2021-03-26 00:39:38,815 INFO L132 encePairwiseOnDemand]: 166/176 looper letters, 20 selfloop transitions, 16 changer transitions 0/48 dead transitions. [2021-03-26 00:39:38,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 48 transitions, 422 flow [2021-03-26 00:39:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:39:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:39:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 773 transitions. [2021-03-26 00:39:38,818 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7320075757575758 [2021-03-26 00:39:38,818 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 773 transitions. [2021-03-26 00:39:38,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 773 transitions. [2021-03-26 00:39:38,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:38,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 773 transitions. [2021-03-26 00:39:38,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.83333333333334) internal successors, (773), 6 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:38,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 176.0) internal successors, (1232), 7 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:38,823 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 176.0) internal successors, (1232), 7 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:38,823 INFO L185 Difference]: Start difference. First operand has 51 places, 39 transitions, 296 flow. Second operand 6 states and 773 transitions. [2021-03-26 00:39:38,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 48 transitions, 422 flow [2021-03-26 00:39:38,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 48 transitions, 399 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-03-26 00:39:38,827 INFO L241 Difference]: Finished difference. Result has 55 places, 42 transitions, 348 flow [2021-03-26 00:39:38,827 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=348, PETRI_PLACES=55, PETRI_TRANSITIONS=42} [2021-03-26 00:39:38,827 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 7 predicate places. [2021-03-26 00:39:38,827 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:38,827 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 42 transitions, 348 flow [2021-03-26 00:39:38,828 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 42 transitions, 348 flow [2021-03-26 00:39:38,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 42 transitions, 348 flow [2021-03-26 00:39:38,843 INFO L129 PetriNetUnfolder]: 30/116 cut-off events. [2021-03-26 00:39:38,843 INFO L130 PetriNetUnfolder]: For 549/591 co-relation queries the response was YES. [2021-03-26 00:39:38,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 116 events. 30/116 cut-off events. For 549/591 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 524 event pairs, 2 based on Foata normal form. 2/118 useless extension candidates. Maximal degree in co-relation 470. Up to 56 conditions per place. [2021-03-26 00:39:38,845 INFO L142 LiptonReduction]: Number of co-enabled transitions 316 [2021-03-26 00:39:38,920 INFO L154 LiptonReduction]: Checked pairs total: 516 [2021-03-26 00:39:38,921 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:39:38,921 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 94 [2021-03-26 00:39:38,922 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 42 transitions, 348 flow [2021-03-26 00:39:38,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 125.85714285714286) internal successors, (881), 7 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:38,922 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:38,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:38,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 00:39:38,922 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:38,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:38,923 INFO L82 PathProgramCache]: Analyzing trace with hash 400986729, now seen corresponding path program 1 times [2021-03-26 00:39:38,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:38,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238219503] [2021-03-26 00:39:38,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:39,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:39:39,027 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:39:39,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:39:39,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:39:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:39,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238219503] [2021-03-26 00:39:39,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:39,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:39:39,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007388236] [2021-03-26 00:39:39,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:39:39,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:39,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:39:39,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:39:39,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 176 [2021-03-26 00:39:39,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 42 transitions, 348 flow. Second operand has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:39,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 176 [2021-03-26 00:39:39,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:39,123 INFO L129 PetriNetUnfolder]: 151/387 cut-off events. [2021-03-26 00:39:39,123 INFO L130 PetriNetUnfolder]: For 1215/1295 co-relation queries the response was YES. [2021-03-26 00:39:39,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 387 events. 151/387 cut-off events. For 1215/1295 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 2483 event pairs, 52 based on Foata normal form. 45/409 useless extension candidates. Maximal degree in co-relation 1162. Up to 216 conditions per place. [2021-03-26 00:39:39,127 INFO L132 encePairwiseOnDemand]: 170/176 looper letters, 8 selfloop transitions, 8 changer transitions 0/52 dead transitions. [2021-03-26 00:39:39,127 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 52 transitions, 400 flow [2021-03-26 00:39:39,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:39:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:39:39,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 748 transitions. [2021-03-26 00:39:39,129 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.85 [2021-03-26 00:39:39,129 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 748 transitions. [2021-03-26 00:39:39,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 748 transitions. [2021-03-26 00:39:39,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:39,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 748 transitions. [2021-03-26 00:39:39,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 149.6) internal successors, (748), 5 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 176.0) internal successors, (1056), 6 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,133 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 176.0) internal successors, (1056), 6 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,133 INFO L185 Difference]: Start difference. First operand has 55 places, 42 transitions, 348 flow. Second operand 5 states and 748 transitions. [2021-03-26 00:39:39,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 52 transitions, 400 flow [2021-03-26 00:39:39,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 52 transitions, 381 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-26 00:39:39,138 INFO L241 Difference]: Finished difference. Result has 58 places, 49 transitions, 389 flow [2021-03-26 00:39:39,138 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=389, PETRI_PLACES=58, PETRI_TRANSITIONS=49} [2021-03-26 00:39:39,139 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 10 predicate places. [2021-03-26 00:39:39,139 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:39,139 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 49 transitions, 389 flow [2021-03-26 00:39:39,139 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 49 transitions, 389 flow [2021-03-26 00:39:39,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 49 transitions, 389 flow [2021-03-26 00:39:39,183 INFO L129 PetriNetUnfolder]: 151/389 cut-off events. [2021-03-26 00:39:39,183 INFO L130 PetriNetUnfolder]: For 1387/1578 co-relation queries the response was YES. [2021-03-26 00:39:39,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1403 conditions, 389 events. 151/389 cut-off events. For 1387/1578 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2500 event pairs, 55 based on Foata normal form. 18/372 useless extension candidates. Maximal degree in co-relation 1381. Up to 216 conditions per place. [2021-03-26 00:39:39,188 INFO L142 LiptonReduction]: Number of co-enabled transitions 504 [2021-03-26 00:39:39,201 INFO L154 LiptonReduction]: Checked pairs total: 435 [2021-03-26 00:39:39,201 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:39:39,201 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-26 00:39:39,202 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 383 flow [2021-03-26 00:39:39,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:39,202 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:39,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 00:39:39,202 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:39,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:39,203 INFO L82 PathProgramCache]: Analyzing trace with hash 2011800111, now seen corresponding path program 1 times [2021-03-26 00:39:39,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:39,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687750062] [2021-03-26 00:39:39,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:39,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:39:39,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:39:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:39,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687750062] [2021-03-26 00:39:39,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:39,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:39:39,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168704483] [2021-03-26 00:39:39,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:39:39,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:39,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:39:39,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:39:39,247 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 176 [2021-03-26 00:39:39,248 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 383 flow. Second operand has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:39,248 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 176 [2021-03-26 00:39:39,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:39,315 INFO L129 PetriNetUnfolder]: 217/526 cut-off events. [2021-03-26 00:39:39,315 INFO L130 PetriNetUnfolder]: For 2773/2966 co-relation queries the response was YES. [2021-03-26 00:39:39,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1889 conditions, 526 events. 217/526 cut-off events. For 2773/2966 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 3504 event pairs, 87 based on Foata normal form. 35/521 useless extension candidates. Maximal degree in co-relation 1865. Up to 311 conditions per place. [2021-03-26 00:39:39,320 INFO L132 encePairwiseOnDemand]: 173/176 looper letters, 3 selfloop transitions, 2 changer transitions 7/46 dead transitions. [2021-03-26 00:39:39,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 46 transitions, 378 flow [2021-03-26 00:39:39,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:39:39,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:39:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 462 transitions. [2021-03-26 00:39:39,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.875 [2021-03-26 00:39:39,322 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 462 transitions. [2021-03-26 00:39:39,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 462 transitions. [2021-03-26 00:39:39,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:39,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 462 transitions. [2021-03-26 00:39:39,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,325 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,325 INFO L185 Difference]: Start difference. First operand has 58 places, 48 transitions, 383 flow. Second operand 3 states and 462 transitions. [2021-03-26 00:39:39,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 46 transitions, 378 flow [2021-03-26 00:39:39,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 46 transitions, 372 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 00:39:39,331 INFO L241 Difference]: Finished difference. Result has 57 places, 39 transitions, 301 flow [2021-03-26 00:39:39,332 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=301, PETRI_PLACES=57, PETRI_TRANSITIONS=39} [2021-03-26 00:39:39,332 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 9 predicate places. [2021-03-26 00:39:39,332 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:39,332 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 39 transitions, 301 flow [2021-03-26 00:39:39,333 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 39 transitions, 301 flow [2021-03-26 00:39:39,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 39 transitions, 301 flow [2021-03-26 00:39:39,374 INFO L129 PetriNetUnfolder]: 188/457 cut-off events. [2021-03-26 00:39:39,374 INFO L130 PetriNetUnfolder]: For 1530/1631 co-relation queries the response was YES. [2021-03-26 00:39:39,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1575 conditions, 457 events. 188/457 cut-off events. For 1530/1631 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 2935 event pairs, 74 based on Foata normal form. 4/434 useless extension candidates. Maximal degree in co-relation 1553. Up to 270 conditions per place. [2021-03-26 00:39:39,379 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 00:39:39,383 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 00:39:39,383 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:39:39,383 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-03-26 00:39:39,386 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 39 transitions, 301 flow [2021-03-26 00:39:39,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:39,386 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:39,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 00:39:39,387 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:39,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:39,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1595192735, now seen corresponding path program 2 times [2021-03-26 00:39:39,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:39,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061086734] [2021-03-26 00:39:39,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:39,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:39:39,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:39:39,452 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:39:39,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:39:39,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:39:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:39,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061086734] [2021-03-26 00:39:39,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:39,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:39:39,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713314580] [2021-03-26 00:39:39,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:39:39,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:39,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:39:39,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:39:39,462 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 176 [2021-03-26 00:39:39,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 39 transitions, 301 flow. Second operand has 5 states, 5 states have (on average 146.8) internal successors, (734), 5 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:39,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 176 [2021-03-26 00:39:39,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:39,537 INFO L129 PetriNetUnfolder]: 112/344 cut-off events. [2021-03-26 00:39:39,538 INFO L130 PetriNetUnfolder]: For 876/1123 co-relation queries the response was YES. [2021-03-26 00:39:39,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1377 conditions, 344 events. 112/344 cut-off events. For 876/1123 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2195 event pairs, 10 based on Foata normal form. 109/443 useless extension candidates. Maximal degree in co-relation 1353. Up to 224 conditions per place. [2021-03-26 00:39:39,540 INFO L132 encePairwiseOnDemand]: 170/176 looper letters, 5 selfloop transitions, 11 changer transitions 3/49 dead transitions. [2021-03-26 00:39:39,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 49 transitions, 397 flow [2021-03-26 00:39:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:39:39,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:39:39,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 897 transitions. [2021-03-26 00:39:39,543 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8494318181818182 [2021-03-26 00:39:39,543 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 897 transitions. [2021-03-26 00:39:39,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 897 transitions. [2021-03-26 00:39:39,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:39,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 897 transitions. [2021-03-26 00:39:39,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 149.5) internal successors, (897), 6 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 176.0) internal successors, (1232), 7 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,548 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 176.0) internal successors, (1232), 7 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,548 INFO L185 Difference]: Start difference. First operand has 57 places, 39 transitions, 301 flow. Second operand 6 states and 897 transitions. [2021-03-26 00:39:39,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 49 transitions, 397 flow [2021-03-26 00:39:39,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 49 transitions, 366 flow, removed 3 selfloop flow, removed 9 redundant places. [2021-03-26 00:39:39,552 INFO L241 Difference]: Finished difference. Result has 56 places, 46 transitions, 358 flow [2021-03-26 00:39:39,552 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=358, PETRI_PLACES=56, PETRI_TRANSITIONS=46} [2021-03-26 00:39:39,552 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 8 predicate places. [2021-03-26 00:39:39,552 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:39,552 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 46 transitions, 358 flow [2021-03-26 00:39:39,552 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 46 transitions, 358 flow [2021-03-26 00:39:39,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 46 transitions, 358 flow [2021-03-26 00:39:39,583 INFO L129 PetriNetUnfolder]: 105/333 cut-off events. [2021-03-26 00:39:39,583 INFO L130 PetriNetUnfolder]: For 1051/1200 co-relation queries the response was YES. [2021-03-26 00:39:39,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1432 conditions, 333 events. 105/333 cut-off events. For 1051/1200 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2186 event pairs, 9 based on Foata normal form. 3/328 useless extension candidates. Maximal degree in co-relation 1411. Up to 212 conditions per place. [2021-03-26 00:39:39,587 INFO L142 LiptonReduction]: Number of co-enabled transitions 310 [2021-03-26 00:39:39,742 INFO L154 LiptonReduction]: Checked pairs total: 42 [2021-03-26 00:39:39,742 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:39:39,742 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 190 [2021-03-26 00:39:39,743 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 45 transitions, 352 flow [2021-03-26 00:39:39,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 146.8) internal successors, (734), 5 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,743 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:39,743 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:39,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 00:39:39,743 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:39,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:39,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1579647328, now seen corresponding path program 1 times [2021-03-26 00:39:39,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:39,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915453997] [2021-03-26 00:39:39,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:39,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:39:39,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 00:39:39,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 00:39:39,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 00:39:39,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 00:39:39,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:39,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 00:39:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:39,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915453997] [2021-03-26 00:39:39,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:39,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 00:39:39,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243009957] [2021-03-26 00:39:39,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 00:39:39,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:39,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 00:39:39,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-26 00:39:39,888 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 177 [2021-03-26 00:39:39,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 45 transitions, 352 flow. Second operand has 8 states, 8 states have (on average 123.875) internal successors, (991), 8 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:39,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:39,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 177 [2021-03-26 00:39:39,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:40,077 INFO L129 PetriNetUnfolder]: 124/341 cut-off events. [2021-03-26 00:39:40,077 INFO L130 PetriNetUnfolder]: For 1269/1343 co-relation queries the response was YES. [2021-03-26 00:39:40,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1580 conditions, 341 events. 124/341 cut-off events. For 1269/1343 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1947 event pairs, 17 based on Foata normal form. 23/355 useless extension candidates. Maximal degree in co-relation 1557. Up to 181 conditions per place. [2021-03-26 00:39:40,080 INFO L132 encePairwiseOnDemand]: 167/177 looper letters, 10 selfloop transitions, 14 changer transitions 4/46 dead transitions. [2021-03-26 00:39:40,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 46 transitions, 409 flow [2021-03-26 00:39:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:39:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:39:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 882 transitions. [2021-03-26 00:39:40,083 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.711864406779661 [2021-03-26 00:39:40,083 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 882 transitions. [2021-03-26 00:39:40,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 882 transitions. [2021-03-26 00:39:40,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:40,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 882 transitions. [2021-03-26 00:39:40,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 126.0) internal successors, (882), 7 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:40,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 177.0) internal successors, (1416), 8 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:40,088 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 177.0) internal successors, (1416), 8 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:40,088 INFO L185 Difference]: Start difference. First operand has 56 places, 45 transitions, 352 flow. Second operand 7 states and 882 transitions. [2021-03-26 00:39:40,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 46 transitions, 409 flow [2021-03-26 00:39:40,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 46 transitions, 381 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-26 00:39:40,093 INFO L241 Difference]: Finished difference. Result has 58 places, 39 transitions, 317 flow [2021-03-26 00:39:40,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=317, PETRI_PLACES=58, PETRI_TRANSITIONS=39} [2021-03-26 00:39:40,093 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 10 predicate places. [2021-03-26 00:39:40,093 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:40,093 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 39 transitions, 317 flow [2021-03-26 00:39:40,093 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 39 transitions, 317 flow [2021-03-26 00:39:40,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 39 transitions, 317 flow [2021-03-26 00:39:40,139 INFO L129 PetriNetUnfolder]: 49/151 cut-off events. [2021-03-26 00:39:40,143 INFO L130 PetriNetUnfolder]: For 485/502 co-relation queries the response was YES. [2021-03-26 00:39:40,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 151 events. 49/151 cut-off events. For 485/502 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 704 event pairs, 8 based on Foata normal form. 2/148 useless extension candidates. Maximal degree in co-relation 571. Up to 61 conditions per place. [2021-03-26 00:39:40,145 INFO L142 LiptonReduction]: Number of co-enabled transitions 182 [2021-03-26 00:39:40,314 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 00:39:40,707 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2021-03-26 00:39:40,841 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-26 00:39:41,160 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 85 [2021-03-26 00:39:41,321 INFO L154 LiptonReduction]: Checked pairs total: 14 [2021-03-26 00:39:41,321 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:39:41,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1228 [2021-03-26 00:39:41,322 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 38 transitions, 319 flow [2021-03-26 00:39:41,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 123.875) internal successors, (991), 8 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:41,322 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:41,323 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:41,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 00:39:41,323 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:41,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:41,323 INFO L82 PathProgramCache]: Analyzing trace with hash 2019580791, now seen corresponding path program 1 times [2021-03-26 00:39:41,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:41,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497379860] [2021-03-26 00:39:41,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:39:41,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:41,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:39:41,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:41,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:39:41,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:41,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:39:41,380 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:39:41,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:39:41,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:39:41,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:39:41,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:39:41,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497379860] [2021-03-26 00:39:41,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:39:41,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:39:41,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757017574] [2021-03-26 00:39:41,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:39:41,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:39:41,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:39:41,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:39:41,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 180 [2021-03-26 00:39:41,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 38 transitions, 319 flow. Second operand has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:41,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:39:41,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 180 [2021-03-26 00:39:41,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:39:41,447 INFO L129 PetriNetUnfolder]: 34/118 cut-off events. [2021-03-26 00:39:41,448 INFO L130 PetriNetUnfolder]: For 310/360 co-relation queries the response was YES. [2021-03-26 00:39:41,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 536 conditions, 118 events. 34/118 cut-off events. For 310/360 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 487 event pairs, 2 based on Foata normal form. 43/154 useless extension candidates. Maximal degree in co-relation 513. Up to 50 conditions per place. [2021-03-26 00:39:41,449 INFO L132 encePairwiseOnDemand]: 174/180 looper letters, 2 selfloop transitions, 11 changer transitions 7/42 dead transitions. [2021-03-26 00:39:41,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 42 transitions, 381 flow [2021-03-26 00:39:41,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:39:41,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:39:41,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1068 transitions. [2021-03-26 00:39:41,452 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8476190476190476 [2021-03-26 00:39:41,452 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1068 transitions. [2021-03-26 00:39:41,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1068 transitions. [2021-03-26 00:39:41,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:39:41,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1068 transitions. [2021-03-26 00:39:41,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 152.57142857142858) internal successors, (1068), 7 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:41,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 180.0) internal successors, (1440), 8 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:41,457 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 180.0) internal successors, (1440), 8 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:41,457 INFO L185 Difference]: Start difference. First operand has 55 places, 38 transitions, 319 flow. Second operand 7 states and 1068 transitions. [2021-03-26 00:39:41,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 42 transitions, 381 flow [2021-03-26 00:39:41,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 42 transitions, 311 flow, removed 19 selfloop flow, removed 8 redundant places. [2021-03-26 00:39:41,460 INFO L241 Difference]: Finished difference. Result has 56 places, 35 transitions, 270 flow [2021-03-26 00:39:41,460 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=47, 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=7, PETRI_FLOW=270, PETRI_PLACES=56, PETRI_TRANSITIONS=35} [2021-03-26 00:39:41,460 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 8 predicate places. [2021-03-26 00:39:41,460 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:39:41,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 35 transitions, 270 flow [2021-03-26 00:39:41,460 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 35 transitions, 270 flow [2021-03-26 00:39:41,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 35 transitions, 270 flow [2021-03-26 00:39:41,467 INFO L129 PetriNetUnfolder]: 15/59 cut-off events. [2021-03-26 00:39:41,467 INFO L130 PetriNetUnfolder]: For 123/123 co-relation queries the response was YES. [2021-03-26 00:39:41,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 59 events. 15/59 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 175 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 237. Up to 20 conditions per place. [2021-03-26 00:39:41,468 INFO L142 LiptonReduction]: Number of co-enabled transitions 70 [2021-03-26 00:39:41,696 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-03-26 00:39:42,160 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 97 [2021-03-26 00:39:42,313 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-26 00:39:42,628 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-26 00:39:42,768 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-26 00:39:43,427 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 192 [2021-03-26 00:39:43,673 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-26 00:39:45,122 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 347 DAG size of output: 270 [2021-03-26 00:39:45,655 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-03-26 00:39:45,660 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 00:39:45,660 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 00:39:45,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4201 [2021-03-26 00:39:45,661 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 32 transitions, 258 flow [2021-03-26 00:39:45,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:39:45,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:39:45,661 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:39:45,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 00:39:45,662 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:39:45,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:39:45,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1496079429, now seen corresponding path program 1 times [2021-03-26 00:39:45,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:39:45,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823807827] [2021-03-26 00:39:45,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:39:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:39:45,698 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:39:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:39:45,738 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:39:45,763 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 00:39:45,764 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 00:39:45,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 00:39:45,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 12:39:45 BasicIcfg [2021-03-26 00:39:45,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 00:39:45,821 INFO L168 Benchmark]: Toolchain (without parser) took 24984.04 ms. Allocated memory was 255.9 MB in the beginning and 755.0 MB in the end (delta: 499.1 MB). Free memory was 235.0 MB in the beginning and 467.1 MB in the end (delta: -232.2 MB). Peak memory consumption was 265.8 MB. Max. memory is 16.0 GB. [2021-03-26 00:39:45,821 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:39:45,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.46 ms. Allocated memory was 255.9 MB in the beginning and 333.4 MB in the end (delta: 77.6 MB). Free memory was 234.6 MB in the beginning and 292.8 MB in the end (delta: -58.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-26 00:39:45,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.36 ms. Allocated memory is still 333.4 MB. Free memory was 292.8 MB in the beginning and 289.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:39:45,822 INFO L168 Benchmark]: Boogie Preprocessor took 27.35 ms. Allocated memory is still 333.4 MB. Free memory was 289.7 MB in the beginning and 287.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:39:45,822 INFO L168 Benchmark]: RCFGBuilder took 1812.68 ms. Allocated memory is still 333.4 MB. Free memory was 287.4 MB in the beginning and 297.0 MB in the end (delta: -9.5 MB). Peak memory consumption was 64.8 MB. Max. memory is 16.0 GB. [2021-03-26 00:39:45,822 INFO L168 Benchmark]: TraceAbstraction took 22509.84 ms. Allocated memory was 333.4 MB in the beginning and 755.0 MB in the end (delta: 421.5 MB). Free memory was 296.0 MB in the beginning and 467.1 MB in the end (delta: -171.1 MB). Peak memory consumption was 250.4 MB. Max. memory is 16.0 GB. [2021-03-26 00:39:45,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 568.46 ms. Allocated memory was 255.9 MB in the beginning and 333.4 MB in the end (delta: 77.6 MB). Free memory was 234.6 MB in the beginning and 292.8 MB in the end (delta: -58.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 61.36 ms. Allocated memory is still 333.4 MB. Free memory was 292.8 MB in the beginning and 289.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.35 ms. Allocated memory is still 333.4 MB. Free memory was 289.7 MB in the beginning and 287.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1812.68 ms. Allocated memory is still 333.4 MB. Free memory was 287.4 MB in the beginning and 297.0 MB in the end (delta: -9.5 MB). Peak memory consumption was 64.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 22509.84 ms. Allocated memory was 333.4 MB in the beginning and 755.0 MB in the end (delta: 421.5 MB). Free memory was 296.0 MB in the beginning and 467.1 MB in the end (delta: -171.1 MB). Peak memory consumption was 250.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7573.2ms, 102 PlacesBefore, 48 PlacesAfterwards, 94 TransitionsBefore, 39 TransitionsAfterwards, 1694 CoEnabledTransitionPairs, 5 FixpointIterations, 26 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 64 TotalNumberOfCompositions, 3065 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1546, positive: 1462, positive conditional: 1462, positive unconditional: 0, negative: 84, negative conditional: 84, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1157, positive: 1122, positive conditional: 0, positive unconditional: 1122, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1157, positive: 1122, positive conditional: 0, positive unconditional: 1122, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1157, positive: 1116, positive conditional: 0, positive unconditional: 1116, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 374, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 360, negative conditional: 0, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1546, positive: 340, positive conditional: 340, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 1157, unknown conditional: 1157, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 58, Positive conditional cache size: 58, Positive unconditional cache size: 0, Negative cache size: 20, Negative conditional cache size: 20, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2816.8ms, 45 PlacesBefore, 33 PlacesAfterwards, 32 TransitionsBefore, 24 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 3 FixpointIterations, 7 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 942 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 246, positive: 179, positive conditional: 179, positive unconditional: 0, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, positive: 33, positive conditional: 2, positive unconditional: 31, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 44, positive: 33, positive conditional: 2, positive unconditional: 31, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 44, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 259, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 259, negative conditional: 20, negative unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 246, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 79, Positive conditional cache size: 79, Positive unconditional cache size: 0, Negative cache size: 29, Negative conditional cache size: 29, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1182.8ms, 34 PlacesBefore, 31 PlacesAfterwards, 23 TransitionsBefore, 21 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 777 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 272, positive: 212, positive conditional: 212, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 23, positive conditional: 1, positive unconditional: 22, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29, positive: 23, positive conditional: 1, positive unconditional: 22, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 29, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 70, negative conditional: 7, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 272, positive: 189, positive conditional: 189, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 137, Positive cache size: 102, Positive conditional cache size: 102, Positive unconditional cache size: 0, Negative cache size: 35, Negative conditional cache size: 35, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 224.4ms, 34 PlacesBefore, 33 PlacesAfterwards, 21 TransitionsBefore, 20 TransitionsAfterwards, 194 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 414 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 104, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 16, positive conditional: 11, positive unconditional: 5, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, positive: 16, positive conditional: 11, positive unconditional: 5, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 189, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 173, negative conditional: 4, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 104, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 70, Positive conditional cache size: 70, Positive unconditional cache size: 0, Negative cache size: 36, Negative conditional cache size: 36, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 115.3ms, 34 PlacesBefore, 34 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 237 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 104, positive: 86, positive conditional: 86, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 32, positive conditional: 18, positive unconditional: 14, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35, positive: 32, positive conditional: 18, positive unconditional: 14, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 104, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 80, Positive conditional cache size: 80, Positive unconditional cache size: 0, Negative cache size: 27, Negative conditional cache size: 27, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 910.0ms, 41 PlacesBefore, 41 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 344 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 195, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54, positive: 51, positive conditional: 33, positive unconditional: 18, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54, positive: 51, positive conditional: 33, positive unconditional: 18, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 54, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 48, positive conditional: 33, positive unconditional: 15, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 195, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 121, Positive cache size: 107, Positive conditional cache size: 107, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.8ms, 44 PlacesBefore, 44 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 250 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 373 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 149, positive: 127, positive conditional: 127, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 26, positive conditional: 16, positive unconditional: 10, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29, positive: 26, positive conditional: 16, positive unconditional: 10, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 29, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 149, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 142, Positive cache size: 126, Positive conditional cache size: 126, Positive unconditional cache size: 0, Negative cache size: 16, Negative conditional cache size: 16, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 259.9ms, 51 PlacesBefore, 51 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 294 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 405 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 245, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59, positive: 57, positive conditional: 47, positive unconditional: 10, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 59, positive: 57, positive conditional: 47, positive unconditional: 10, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 59, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 9, positive conditional: 7, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 236, positive: 197, positive conditional: 179, positive unconditional: 18, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 245, positive: 168, positive conditional: 168, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 59, unknown conditional: 59, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 201, Positive cache size: 183, Positive conditional cache size: 183, Positive unconditional cache size: 0, Negative cache size: 18, Negative conditional cache size: 18, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 93.0ms, 55 PlacesBefore, 55 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 316 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 516 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 349, positive: 324, positive conditional: 324, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49, positive: 49, positive conditional: 44, positive unconditional: 5, 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: 49, positive: 49, positive conditional: 44, positive unconditional: 5, 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: 49, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 349, positive: 275, positive conditional: 275, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 250, Positive cache size: 232, Positive conditional cache size: 232, Positive unconditional cache size: 0, Negative cache size: 18, Negative conditional cache size: 18, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.0ms, 58 PlacesBefore, 58 PlacesAfterwards, 49 TransitionsBefore, 48 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 435 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 300, positive: 282, positive conditional: 282, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47, positive: 47, positive conditional: 41, positive unconditional: 6, 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: 47, positive: 47, positive conditional: 41, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 47, positive: 47, positive conditional: 0, positive unconditional: 47, 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: 300, positive: 235, positive conditional: 235, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 205, Positive cache size: 190, Positive conditional cache size: 190, Positive unconditional cache size: 0, Negative cache size: 15, Negative conditional cache size: 15, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.3ms, 57 PlacesBefore, 57 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 280 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): 205, Positive cache size: 190, Positive conditional cache size: 190, Positive unconditional cache size: 0, Negative cache size: 15, Negative conditional cache size: 15, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 189.4ms, 56 PlacesBefore, 56 PlacesAfterwards, 46 TransitionsBefore, 45 TransitionsAfterwards, 310 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 42 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 42, positive: 42, positive conditional: 42, 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: 41, positive: 41, positive conditional: 35, positive unconditional: 6, 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: 41, positive: 41, positive conditional: 35, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, 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: 42, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 189, Positive conditional cache size: 189, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1227.8ms, 58 PlacesBefore, 55 PlacesAfterwards, 39 TransitionsBefore, 38 TransitionsAfterwards, 182 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 14 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, 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: 10, positive: 10, positive conditional: 10, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 14, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 79, Positive conditional cache size: 79, Positive unconditional cache size: 0, Negative cache size: 6, Negative conditional cache size: 6, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4200.1ms, 56 PlacesBefore, 51 PlacesAfterwards, 35 TransitionsBefore, 32 TransitionsAfterwards, 70 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 42, Positive conditional cache size: 42, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 3, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L719] 0 int z = 0; [L720] 0 _Bool z$flush_delayed; [L721] 0 int z$mem_tmp; [L722] 0 _Bool z$r_buff0_thd0; [L723] 0 _Bool z$r_buff0_thd1; [L724] 0 _Bool z$r_buff0_thd2; [L725] 0 _Bool z$r_buff0_thd3; [L726] 0 _Bool z$r_buff1_thd0; [L727] 0 _Bool z$r_buff1_thd1; [L728] 0 _Bool z$r_buff1_thd2; [L729] 0 _Bool z$r_buff1_thd3; [L730] 0 _Bool z$read_delayed; [L731] 0 int *z$read_delayed_var; [L732] 0 int z$w_buff0; [L733] 0 _Bool z$w_buff0_used; [L734] 0 int z$w_buff1; [L735] 0 _Bool z$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L818] 0 pthread_t t2040; [L819] FCALL, FORK 0 pthread_create(&t2040, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 z$w_buff1 = z$w_buff0 [L742] 1 z$w_buff0 = 2 [L743] 1 z$w_buff1_used = z$w_buff0_used [L744] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L746] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L747] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L748] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L749] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L750] 1 z$r_buff0_thd1 = (_Bool)1 [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L820] 0 pthread_t t2041; [L821] FCALL, FORK 0 pthread_create(&t2041, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L822] 0 pthread_t t2042; [L823] FCALL, FORK 0 pthread_create(&t2042, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 x = 2 [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L790] 3 __unbuffered_p2_EAX = y [L793] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L756] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L757] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L757] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L758] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L759] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L760] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L777] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L777] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L778] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L779] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L779] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L780] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L796] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L796] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L797] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L797] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L798] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L798] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L799] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L799] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L800] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L800] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L765] 1 return 0; [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L785] 2 return 0; [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L805] 3 return 0; [L825] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L829] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L829] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L830] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L830] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L831] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L831] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L832] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L832] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L833] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L833] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L836] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L837] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L838] 0 z$flush_delayed = weak$$choice2 [L839] 0 z$mem_tmp = z [L840] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L840] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L841] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L841] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L842] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L842] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L843] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L843] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L844] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L845] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L846] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p2_EAX == 1) [L848] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L848] 0 z = z$flush_delayed ? z$mem_tmp : z [L849] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 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: UNSAFE, OverallTime: 22360.1ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1426.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7642.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 55 SDtfs, 25 SDslu, 22 SDs, 0 SdLazy, 363 SolverSat, 126 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 450.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 467.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=389occurred in iteration=9, InterpolantAutomatonStates: 64, 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: 75.4ms SsaConstructionTime, 437.2ms SatisfiabilityAnalysisTime, 1037.2ms InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 1351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...