/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/safe017_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 00:03:46,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 00:03:46,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 00:03:46,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-29 00:03:46,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 00:03:46,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 00:03:46,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 00:03:46,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 00:03:46,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 00:03:46,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 00:03:46,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 00:03:46,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 00:03:46,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 00:03:46,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 00:03:46,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 00:03:46,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 00:03:46,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 00:03:46,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 00:03:46,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 00:03:46,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 00:03:46,222 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 [2021-04-29 00:03:46,253 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 00:03:46,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 00:03:46,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 00:03:46,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 00:03:46,255 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 00:03:46,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 00:03:46,256 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 00:03:46,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 00:03:46,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 00:03:46,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 00:03:46,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 00:03:46,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 00:03:46,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 00:03:46,257 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 00:03:46,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 00:03:46,258 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 00:03:46,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 00:03:46,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 00:03:46,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 00:03:46,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 00:03:46,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 00:03:46,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:03:46,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 00:03:46,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 00:03:46,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 00:03:46,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 00:03:46,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 00:03:46,261 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 00:03:46,261 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 00:03:46,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 00:03:46,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 00:03:46,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 00:03:46,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 00:03:46,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 00:03:46,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 00:03:46,666 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 00:03:46,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe017_pso.opt.i [2021-04-29 00:03:46,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc32f719f/493ab5c0f4a04e69aac73b75b690875b/FLAG283a77ba9 [2021-04-29 00:03:47,586 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 00:03:47,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe017_pso.opt.i [2021-04-29 00:03:47,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc32f719f/493ab5c0f4a04e69aac73b75b690875b/FLAG283a77ba9 [2021-04-29 00:03:47,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc32f719f/493ab5c0f4a04e69aac73b75b690875b [2021-04-29 00:03:47,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 00:03:47,921 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 00:03:47,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 00:03:47,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 00:03:47,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 00:03:47,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:03:47" (1/1) ... [2021-04-29 00:03:47,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280e3fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:47, skipping insertion in model container [2021-04-29 00:03:47,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:03:47" (1/1) ... [2021-04-29 00:03:47,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 00:03:47,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 00:03:48,156 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/safe017_pso.opt.i[949,962] [2021-04-29 00:03:48,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:03:48,402 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 00:03:48,419 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/safe017_pso.opt.i[949,962] [2021-04-29 00:03:48,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:03:48,666 INFO L208 MainTranslator]: Completed translation [2021-04-29 00:03:48,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:48 WrapperNode [2021-04-29 00:03:48,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 00:03:48,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 00:03:48,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 00:03:48,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 00:03:48,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:48" (1/1) ... [2021-04-29 00:03:48,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:48" (1/1) ... [2021-04-29 00:03:48,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 00:03:48,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 00:03:48,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 00:03:48,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 00:03:48,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:48" (1/1) ... [2021-04-29 00:03:48,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:48" (1/1) ... [2021-04-29 00:03:48,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:48" (1/1) ... [2021-04-29 00:03:48,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:48" (1/1) ... [2021-04-29 00:03:48,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:48" (1/1) ... [2021-04-29 00:03:48,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:48" (1/1) ... [2021-04-29 00:03:48,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:48" (1/1) ... [2021-04-29 00:03:48,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 00:03:48,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 00:03:48,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 00:03:48,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 00:03:48,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:48" (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 [2021-04-29 00:03:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 00:03:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-29 00:03:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 00:03:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 00:03:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-29 00:03:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-29 00:03:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-29 00:03:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-29 00:03:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-29 00:03:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-29 00:03:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 00:03:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-29 00:03:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 00:03:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 00:03:49,026 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 00:03:51,361 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 00:03:51,362 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-29 00:03:51,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:03:51 BoogieIcfgContainer [2021-04-29 00:03:51,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 00:03:51,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 00:03:51,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 00:03:51,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 00:03:51,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 12:03:47" (1/3) ... [2021-04-29 00:03:51,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5fb086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:03:51, skipping insertion in model container [2021-04-29 00:03:51,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:03:48" (2/3) ... [2021-04-29 00:03:51,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5fb086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:03:51, skipping insertion in model container [2021-04-29 00:03:51,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:03:51" (3/3) ... [2021-04-29 00:03:51,374 INFO L111 eAbstractionObserver]: Analyzing ICFG safe017_pso.opt.i [2021-04-29 00:03:51,382 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 00:03:51,388 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-29 00:03:51,389 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 00:03:51,435 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,435 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,436 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,436 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,436 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,438 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,438 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,439 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,439 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,439 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,439 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,439 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,443 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,444 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,444 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,444 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,444 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,449 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,449 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,450 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,450 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,450 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,450 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,451 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,451 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,451 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,451 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,451 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,451 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,451 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,452 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,452 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,452 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,457 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,457 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,458 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,459 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,459 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,459 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,461 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,461 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,462 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,462 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,462 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,462 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,462 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,463 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,463 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,463 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,466 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,466 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,467 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:03:51,469 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 00:03:51,496 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-29 00:03:51,550 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 00:03:51,550 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 00:03:51,550 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 00:03:51,550 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 00:03:51,550 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 00:03:51,551 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 00:03:51,551 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 00:03:51,554 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 00:03:51,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 205 flow [2021-04-29 00:03:51,621 INFO L129 PetriNetUnfolder]: 2/92 cut-off events. [2021-04-29 00:03:51,621 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:03:51,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 92 events. 2/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-29 00:03:51,627 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 95 transitions, 205 flow [2021-04-29 00:03:51,633 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 92 transitions, 193 flow [2021-04-29 00:03:51,636 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:03:51,654 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 92 transitions, 193 flow [2021-04-29 00:03:51,659 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 92 transitions, 193 flow [2021-04-29 00:03:51,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 92 transitions, 193 flow [2021-04-29 00:03:51,699 INFO L129 PetriNetUnfolder]: 2/92 cut-off events. [2021-04-29 00:03:51,699 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:03:51,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 92 events. 2/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 65 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-29 00:03:51,706 INFO L146 LiptonReduction]: Number of co-enabled transitions 1602 [2021-04-29 00:03:55,723 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-29 00:03:56,235 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-29 00:03:58,511 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-29 00:03:59,520 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-29 00:04:00,126 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-29 00:04:00,259 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-29 00:04:00,917 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-29 00:04:01,169 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 00:04:03,634 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:04:04,704 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-04-29 00:04:07,276 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:04:08,424 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:04:09,720 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-29 00:04:10,305 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-29 00:04:13,055 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-29 00:04:14,264 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-29 00:04:15,704 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-29 00:04:16,358 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:04:19,332 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-29 00:04:20,696 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:04:24,295 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 229 DAG size of output: 188 [2021-04-29 00:04:25,026 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:04:28,473 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-29 00:04:29,933 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-29 00:04:31,691 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-29 00:04:33,260 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 184 DAG size of output: 183 [2021-04-29 00:04:36,808 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-29 00:04:38,541 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-29 00:04:40,534 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-29 00:04:41,427 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-29 00:04:45,236 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-29 00:04:47,036 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-29 00:04:49,177 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:04:50,177 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:04:54,623 WARN L205 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:04:56,631 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:04:58,417 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:04:58,519 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:04:58,625 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:04:59,184 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:05:02,457 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-29 00:05:03,566 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 187 [2021-04-29 00:05:08,428 WARN L205 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-29 00:05:10,751 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-29 00:05:13,319 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-29 00:05:14,467 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 184 [2021-04-29 00:05:19,850 WARN L205 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-29 00:05:22,248 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-29 00:05:25,042 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:05:26,363 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:05:32,129 WARN L205 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-29 00:05:34,681 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-29 00:05:38,640 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:05:38,773 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:05:38,908 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:05:39,048 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:05:39,186 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:05:39,317 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:05:39,445 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:05:39,576 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:05:39,746 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:05:39,918 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:05:40,073 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:05:40,237 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:05:40,398 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:05:40,554 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:05:40,741 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:05:40,912 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:05:41,079 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:05:41,226 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:05:41,406 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:05:41,564 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:05:41,754 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:05:41,933 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:05:42,129 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:05:42,334 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:05:42,510 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:05:42,694 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:05:42,895 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:05:43,087 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:05:43,294 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:05:43,489 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:05:43,689 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:05:43,902 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:05:44,067 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:05:44,224 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:05:44,421 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:05:44,588 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:05:44,773 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 00:05:44,913 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 00:05:45,058 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 00:05:45,192 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 00:05:45,595 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-29 00:05:45,733 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-29 00:05:45,861 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-29 00:05:45,984 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-29 00:05:46,906 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:05:47,016 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:05:47,129 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:05:47,249 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:05:47,456 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:05:47,559 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:05:47,666 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:05:48,084 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:05:48,200 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:05:48,329 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:05:48,443 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:05:48,546 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-29 00:05:48,843 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-04-29 00:05:49,127 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:05:49,394 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:05:49,652 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:05:49,938 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:05:50,185 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:05:50,427 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:05:50,684 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:05:50,940 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:05:51,200 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:05:51,455 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:05:51,687 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:05:51,942 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:05:52,167 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:05:52,409 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:05:52,616 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:05:52,826 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:05:53,093 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:05:53,365 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:05:53,663 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:05:53,952 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:05:54,311 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:05:54,650 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:05:54,967 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:05:55,285 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:05:55,547 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:05:55,813 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:05:56,083 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:05:56,383 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:05:56,626 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:05:56,844 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:05:57,085 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:05:57,305 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:05:57,508 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:05:57,709 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:05:57,924 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:05:58,154 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:05:58,390 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:05:58,638 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:05:58,899 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:05:59,156 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:05:59,311 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:05:59,436 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:05:59,554 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:05:59,679 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:05:59,806 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:05:59,927 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:06:00,057 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:06:00,181 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:06:00,310 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:06:00,434 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:06:00,555 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:06:00,675 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:06:00,887 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 00:06:01,089 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 00:06:01,306 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 00:06:01,513 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 00:06:01,630 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:06:01,764 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:06:01,894 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:06:02,018 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:06:02,209 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-29 00:06:02,420 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-29 00:06:02,611 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-29 00:06:02,789 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-29 00:06:03,058 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:06:03,350 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:06:03,645 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:06:03,923 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:06:04,206 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:06:04,500 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:06:04,838 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:06:05,125 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:06:05,307 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:06:05,489 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:06:05,675 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:06:05,865 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:06:06,175 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:06:06,493 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:06:06,821 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:06:07,137 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:06:07,468 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:06:07,822 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:06:08,125 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:06:08,496 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:06:08,768 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:06:09,018 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:06:09,265 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:06:09,510 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:06:09,810 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:06:10,058 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:06:10,291 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:06:10,511 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:06:10,855 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:11,233 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:11,595 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:11,914 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:12,084 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:06:12,258 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:06:12,474 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:06:12,703 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:06:13,061 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:13,388 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:13,704 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:14,077 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:15,149 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-29 00:06:15,618 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 00:06:16,494 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-29 00:06:16,897 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 00:06:17,191 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:17,454 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:17,735 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:18,027 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:18,355 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:18,697 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:19,010 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:19,324 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:06:20,234 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-29 00:06:20,683 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 00:06:21,605 WARN L205 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-29 00:06:22,002 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 00:06:22,053 INFO L158 LiptonReduction]: Checked pairs total: 15064 [2021-04-29 00:06:22,053 INFO L160 LiptonReduction]: Total number of compositions: 210 [2021-04-29 00:06:22,058 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150424 [2021-04-29 00:06:22,078 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2021-04-29 00:06:22,078 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:06:22,079 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:22,079 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-29 00:06:22,080 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:22,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:22,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1176960, now seen corresponding path program 1 times [2021-04-29 00:06:22,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:22,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57336437] [2021-04-29 00:06:22,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:06:22,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:22,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:06:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:06:22,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57336437] [2021-04-29 00:06:22,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:06:22,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:06:22,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107129498] [2021-04-29 00:06:22,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:06:22,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:06:22,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:06:22,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:06:22,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 305 [2021-04-29 00:06:22,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 116 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:22,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:06:22,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 305 [2021-04-29 00:06:22,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:06:23,089 INFO L129 PetriNetUnfolder]: 329/755 cut-off events. [2021-04-29 00:06:23,090 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:06:23,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1308 conditions, 755 events. 329/755 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 5355 event pairs, 262 based on Foata normal form. 10/405 useless extension candidates. Maximal degree in co-relation 1243. Up to 401 conditions per place. [2021-04-29 00:06:23,100 INFO L132 encePairwiseOnDemand]: 289/305 looper letters, 9 selfloop transitions, 2 changer transitions 85/129 dead transitions. [2021-04-29 00:06:23,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 129 transitions, 363 flow [2021-04-29 00:06:23,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:06:23,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:06:23,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2021-04-29 00:06:23,123 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7934426229508197 [2021-04-29 00:06:23,124 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 726 transitions. [2021-04-29 00:06:23,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 726 transitions. [2021-04-29 00:06:23,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:06:23,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 726 transitions. [2021-04-29 00:06:23,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:23,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:23,149 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:23,151 INFO L185 Difference]: Start difference. First operand has 124 places, 116 transitions, 241 flow. Second operand 3 states and 726 transitions. [2021-04-29 00:06:23,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 129 transitions, 363 flow [2021-04-29 00:06:23,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 129 transitions, 360 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 00:06:23,160 INFO L241 Difference]: Finished difference. Result has 120 places, 40 transitions, 90 flow [2021-04-29 00:06:23,162 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=120, PETRI_TRANSITIONS=40} [2021-04-29 00:06:23,164 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -4 predicate places. [2021-04-29 00:06:23,164 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:06:23,164 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 40 transitions, 90 flow [2021-04-29 00:06:23,164 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 40 transitions, 90 flow [2021-04-29 00:06:23,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 40 transitions, 90 flow [2021-04-29 00:06:23,177 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-04-29 00:06:23,177 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:06:23,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 0/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 134 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 00:06:23,178 INFO L146 LiptonReduction]: Number of co-enabled transitions 878 [2021-04-29 00:06:23,669 INFO L158 LiptonReduction]: Checked pairs total: 818 [2021-04-29 00:06:23,669 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:06:23,669 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 505 [2021-04-29 00:06:23,672 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 90 flow [2021-04-29 00:06:23,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 225.66666666666666) internal successors, (677), 3 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:23,673 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:23,673 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:06:23,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 00:06:23,673 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:23,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:23,674 INFO L82 PathProgramCache]: Analyzing trace with hash -226464847, now seen corresponding path program 1 times [2021-04-29 00:06:23,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:23,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756760879] [2021-04-29 00:06:23,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:06:23,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:23,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:06:23,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:06:23,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756760879] [2021-04-29 00:06:23,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:06:23,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:06:23,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37249940] [2021-04-29 00:06:23,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:06:23,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:06:23,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:06:23,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:06:23,838 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 305 [2021-04-29 00:06:23,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:23,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:06:23,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 305 [2021-04-29 00:06:23,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:06:23,859 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-04-29 00:06:23,860 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:06:23,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 40 events. 0/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 127 event pairs, 0 based on Foata normal form. 1/23 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:06:23,860 INFO L132 encePairwiseOnDemand]: 302/305 looper letters, 1 selfloop transitions, 2 changer transitions 12/40 dead transitions. [2021-04-29 00:06:23,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 40 transitions, 96 flow [2021-04-29 00:06:23,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:06:23,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:06:23,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2021-04-29 00:06:23,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7781420765027323 [2021-04-29 00:06:23,866 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 712 transitions. [2021-04-29 00:06:23,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 712 transitions. [2021-04-29 00:06:23,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:06:23,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 712 transitions. [2021-04-29 00:06:23,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:23,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:23,875 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:23,875 INFO L185 Difference]: Start difference. First operand has 49 places, 40 transitions, 90 flow. Second operand 3 states and 712 transitions. [2021-04-29 00:06:23,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 40 transitions, 96 flow [2021-04-29 00:06:23,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 40 transitions, 92 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:06:23,877 INFO L241 Difference]: Finished difference. Result has 50 places, 28 transitions, 70 flow [2021-04-29 00:06:23,877 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=50, PETRI_TRANSITIONS=28} [2021-04-29 00:06:23,878 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -74 predicate places. [2021-04-29 00:06:23,878 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:06:23,878 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 28 transitions, 70 flow [2021-04-29 00:06:23,879 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 28 transitions, 70 flow [2021-04-29 00:06:23,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 70 flow [2021-04-29 00:06:23,884 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-04-29 00:06:23,884 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:06:23,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 62 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:06:23,885 INFO L146 LiptonReduction]: Number of co-enabled transitions 432 [2021-04-29 00:06:24,215 INFO L158 LiptonReduction]: Checked pairs total: 519 [2021-04-29 00:06:24,215 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:06:24,215 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 337 [2021-04-29 00:06:24,217 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 70 flow [2021-04-29 00:06:24,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:24,218 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:24,218 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:06:24,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 00:06:24,218 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:24,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:24,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1568842725, now seen corresponding path program 1 times [2021-04-29 00:06:24,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:24,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487798683] [2021-04-29 00:06:24,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:06:24,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:24,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:06:24,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:24,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:06:24,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:06:24,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487798683] [2021-04-29 00:06:24,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:06:24,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:06:24,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215016057] [2021-04-29 00:06:24,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:06:24,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:06:24,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:06:24,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:06:24,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 305 [2021-04-29 00:06:24,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 203.75) internal successors, (815), 4 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:24,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:06:24,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 305 [2021-04-29 00:06:24,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:06:24,454 INFO L129 PetriNetUnfolder]: 6/74 cut-off events. [2021-04-29 00:06:24,454 INFO L130 PetriNetUnfolder]: For 9/20 co-relation queries the response was YES. [2021-04-29 00:06:24,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 74 events. 6/74 cut-off events. For 9/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 338 event pairs, 0 based on Foata normal form. 4/56 useless extension candidates. Maximal degree in co-relation 106. Up to 11 conditions per place. [2021-04-29 00:06:24,457 INFO L132 encePairwiseOnDemand]: 300/305 looper letters, 5 selfloop transitions, 4 changer transitions 1/33 dead transitions. [2021-04-29 00:06:24,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 33 transitions, 103 flow [2021-04-29 00:06:24,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:06:24,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:06:24,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 824 transitions. [2021-04-29 00:06:24,468 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6754098360655738 [2021-04-29 00:06:24,468 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 824 transitions. [2021-04-29 00:06:24,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 824 transitions. [2021-04-29 00:06:24,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:06:24,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 824 transitions. [2021-04-29 00:06:24,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:24,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 305.0) internal successors, (1525), 5 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:24,479 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 305.0) internal successors, (1525), 5 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:24,479 INFO L185 Difference]: Start difference. First operand has 38 places, 28 transitions, 70 flow. Second operand 4 states and 824 transitions. [2021-04-29 00:06:24,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 33 transitions, 103 flow [2021-04-29 00:06:24,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 33 transitions, 97 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:06:24,481 INFO L241 Difference]: Finished difference. Result has 41 places, 30 transitions, 92 flow [2021-04-29 00:06:24,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=92, PETRI_PLACES=41, PETRI_TRANSITIONS=30} [2021-04-29 00:06:24,482 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -83 predicate places. [2021-04-29 00:06:24,482 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:06:24,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 30 transitions, 92 flow [2021-04-29 00:06:24,488 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 30 transitions, 92 flow [2021-04-29 00:06:24,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 30 transitions, 92 flow [2021-04-29 00:06:24,502 INFO L129 PetriNetUnfolder]: 3/48 cut-off events. [2021-04-29 00:06:24,503 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-04-29 00:06:24,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 48 events. 3/48 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 153 event pairs, 1 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 73. Up to 10 conditions per place. [2021-04-29 00:06:24,507 INFO L146 LiptonReduction]: Number of co-enabled transitions 442 [2021-04-29 00:06:24,510 INFO L158 LiptonReduction]: Checked pairs total: 451 [2021-04-29 00:06:24,511 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:06:24,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-04-29 00:06:24,512 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 92 flow [2021-04-29 00:06:24,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 203.75) internal successors, (815), 4 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:24,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:24,514 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:06:24,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 00:06:24,514 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:24,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:24,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1410538910, now seen corresponding path program 1 times [2021-04-29 00:06:24,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:24,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054731556] [2021-04-29 00:06:24,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:06:24,695 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-04-29 00:06:24,698 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-04-29 00:06:24,805 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-04-29 00:06:24,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:06:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:06:24,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054731556] [2021-04-29 00:06:24,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:06:24,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:06:24,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463280608] [2021-04-29 00:06:24,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:06:24,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:06:24,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:06:24,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:06:24,837 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 305 [2021-04-29 00:06:24,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 92 flow. Second operand has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:24,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:06:24,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 305 [2021-04-29 00:06:24,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:06:25,020 INFO L129 PetriNetUnfolder]: 97/303 cut-off events. [2021-04-29 00:06:25,020 INFO L130 PetriNetUnfolder]: For 165/175 co-relation queries the response was YES. [2021-04-29 00:06:25,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 303 events. 97/303 cut-off events. For 165/175 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1840 event pairs, 81 based on Foata normal form. 6/208 useless extension candidates. Maximal degree in co-relation 554. Up to 138 conditions per place. [2021-04-29 00:06:25,024 INFO L132 encePairwiseOnDemand]: 302/305 looper letters, 10 selfloop transitions, 2 changer transitions 0/34 dead transitions. [2021-04-29 00:06:25,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 34 transitions, 124 flow [2021-04-29 00:06:25,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:06:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:06:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 544 transitions. [2021-04-29 00:06:25,030 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.594535519125683 [2021-04-29 00:06:25,030 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 544 transitions. [2021-04-29 00:06:25,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 544 transitions. [2021-04-29 00:06:25,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:06:25,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 544 transitions. [2021-04-29 00:06:25,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,036 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,036 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 92 flow. Second operand 3 states and 544 transitions. [2021-04-29 00:06:25,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 34 transitions, 124 flow [2021-04-29 00:06:25,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 34 transitions, 117 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-29 00:06:25,039 INFO L241 Difference]: Finished difference. Result has 42 places, 30 transitions, 93 flow [2021-04-29 00:06:25,039 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=93, PETRI_PLACES=42, PETRI_TRANSITIONS=30} [2021-04-29 00:06:25,039 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -82 predicate places. [2021-04-29 00:06:25,040 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:06:25,040 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 30 transitions, 93 flow [2021-04-29 00:06:25,040 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 30 transitions, 93 flow [2021-04-29 00:06:25,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 30 transitions, 93 flow [2021-04-29 00:06:25,049 INFO L129 PetriNetUnfolder]: 3/48 cut-off events. [2021-04-29 00:06:25,049 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-29 00:06:25,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 48 events. 3/48 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 162 event pairs, 1 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 71. Up to 10 conditions per place. [2021-04-29 00:06:25,050 INFO L146 LiptonReduction]: Number of co-enabled transitions 438 [2021-04-29 00:06:25,052 INFO L158 LiptonReduction]: Checked pairs total: 413 [2021-04-29 00:06:25,053 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:06:25,053 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-04-29 00:06:25,054 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 30 transitions, 93 flow [2021-04-29 00:06:25,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,055 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:25,055 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:06:25,056 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 00:06:25,056 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:25,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:25,056 INFO L82 PathProgramCache]: Analyzing trace with hash -59089866, now seen corresponding path program 1 times [2021-04-29 00:06:25,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:25,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625396408] [2021-04-29 00:06:25,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:06:25,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:25,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:06:25,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:25,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:06:25,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:25,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:06:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:06:25,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625396408] [2021-04-29 00:06:25,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:06:25,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:06:25,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285001098] [2021-04-29 00:06:25,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:06:25,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:06:25,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:06:25,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:06:25,154 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 305 [2021-04-29 00:06:25,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 30 transitions, 93 flow. Second operand has 4 states, 4 states have (on average 204.0) internal successors, (816), 4 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:06:25,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 305 [2021-04-29 00:06:25,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:06:25,233 INFO L129 PetriNetUnfolder]: 0/72 cut-off events. [2021-04-29 00:06:25,233 INFO L130 PetriNetUnfolder]: For 30/44 co-relation queries the response was YES. [2021-04-29 00:06:25,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 72 events. 0/72 cut-off events. For 30/44 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 336 event pairs, 0 based on Foata normal form. 7/57 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2021-04-29 00:06:25,234 INFO L132 encePairwiseOnDemand]: 301/305 looper letters, 4 selfloop transitions, 3 changer transitions 4/32 dead transitions. [2021-04-29 00:06:25,234 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 32 transitions, 119 flow [2021-04-29 00:06:25,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:06:25,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:06:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1026 transitions. [2021-04-29 00:06:25,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6727868852459017 [2021-04-29 00:06:25,241 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1026 transitions. [2021-04-29 00:06:25,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1026 transitions. [2021-04-29 00:06:25,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:06:25,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1026 transitions. [2021-04-29 00:06:25,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 205.2) internal successors, (1026), 5 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,250 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,251 INFO L185 Difference]: Start difference. First operand has 42 places, 30 transitions, 93 flow. Second operand 5 states and 1026 transitions. [2021-04-29 00:06:25,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 32 transitions, 119 flow [2021-04-29 00:06:25,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 32 transitions, 115 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:06:25,253 INFO L241 Difference]: Finished difference. Result has 47 places, 28 transitions, 102 flow [2021-04-29 00:06:25,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=102, PETRI_PLACES=47, PETRI_TRANSITIONS=28} [2021-04-29 00:06:25,253 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -77 predicate places. [2021-04-29 00:06:25,254 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:06:25,254 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 28 transitions, 102 flow [2021-04-29 00:06:25,254 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 28 transitions, 102 flow [2021-04-29 00:06:25,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 28 transitions, 102 flow [2021-04-29 00:06:25,263 INFO L129 PetriNetUnfolder]: 0/53 cut-off events. [2021-04-29 00:06:25,263 INFO L130 PetriNetUnfolder]: For 32/33 co-relation queries the response was YES. [2021-04-29 00:06:25,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 53 events. 0/53 cut-off events. For 32/33 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 198 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-04-29 00:06:25,264 INFO L146 LiptonReduction]: Number of co-enabled transitions 354 [2021-04-29 00:06:25,288 INFO L158 LiptonReduction]: Checked pairs total: 371 [2021-04-29 00:06:25,288 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:06:25,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-04-29 00:06:25,289 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 28 transitions, 102 flow [2021-04-29 00:06:25,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 204.0) internal successors, (816), 4 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,294 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:25,294 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:06:25,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 00:06:25,294 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:25,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:25,294 INFO L82 PathProgramCache]: Analyzing trace with hash -440747854, now seen corresponding path program 1 times [2021-04-29 00:06:25,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:25,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807032255] [2021-04-29 00:06:25,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:06:25,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:25,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:06:25,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:25,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:06:25,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:25,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:06:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:06:25,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807032255] [2021-04-29 00:06:25,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:06:25,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:06:25,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73513867] [2021-04-29 00:06:25,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:06:25,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:06:25,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:06:25,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:06:25,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 305 [2021-04-29 00:06:25,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 28 transitions, 102 flow. Second operand has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:06:25,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 305 [2021-04-29 00:06:25,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:06:25,743 INFO L129 PetriNetUnfolder]: 109/323 cut-off events. [2021-04-29 00:06:25,743 INFO L130 PetriNetUnfolder]: For 377/391 co-relation queries the response was YES. [2021-04-29 00:06:25,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 677 conditions, 323 events. 109/323 cut-off events. For 377/391 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1885 event pairs, 44 based on Foata normal form. 2/246 useless extension candidates. Maximal degree in co-relation 662. Up to 188 conditions per place. [2021-04-29 00:06:25,747 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 9 selfloop transitions, 7 changer transitions 0/36 dead transitions. [2021-04-29 00:06:25,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 36 transitions, 151 flow [2021-04-29 00:06:25,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:06:25,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:06:25,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 689 transitions. [2021-04-29 00:06:25,753 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5647540983606557 [2021-04-29 00:06:25,753 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 689 transitions. [2021-04-29 00:06:25,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 689 transitions. [2021-04-29 00:06:25,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:06:25,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 689 transitions. [2021-04-29 00:06:25,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 172.25) internal successors, (689), 4 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 305.0) internal successors, (1525), 5 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,761 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 305.0) internal successors, (1525), 5 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:25,761 INFO L185 Difference]: Start difference. First operand has 43 places, 28 transitions, 102 flow. Second operand 4 states and 689 transitions. [2021-04-29 00:06:25,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 36 transitions, 151 flow [2021-04-29 00:06:25,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 36 transitions, 142 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-29 00:06:25,765 INFO L241 Difference]: Finished difference. Result has 45 places, 34 transitions, 138 flow [2021-04-29 00:06:25,765 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=138, PETRI_PLACES=45, PETRI_TRANSITIONS=34} [2021-04-29 00:06:25,765 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -79 predicate places. [2021-04-29 00:06:25,765 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:06:25,765 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 34 transitions, 138 flow [2021-04-29 00:06:25,766 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 34 transitions, 138 flow [2021-04-29 00:06:25,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 34 transitions, 138 flow [2021-04-29 00:06:25,785 INFO L129 PetriNetUnfolder]: 11/118 cut-off events. [2021-04-29 00:06:25,785 INFO L130 PetriNetUnfolder]: For 60/62 co-relation queries the response was YES. [2021-04-29 00:06:25,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 118 events. 11/118 cut-off events. For 60/62 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 670 event pairs, 2 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 221. Up to 24 conditions per place. [2021-04-29 00:06:25,787 INFO L146 LiptonReduction]: Number of co-enabled transitions 402 [2021-04-29 00:06:26,009 INFO L158 LiptonReduction]: Checked pairs total: 153 [2021-04-29 00:06:26,010 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:06:26,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 245 [2021-04-29 00:06:26,011 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 34 transitions, 138 flow [2021-04-29 00:06:26,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:26,012 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:26,012 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:06:26,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 00:06:26,013 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:26,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:26,013 INFO L82 PathProgramCache]: Analyzing trace with hash -949235030, now seen corresponding path program 1 times [2021-04-29 00:06:26,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:26,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848173776] [2021-04-29 00:06:26,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:06:26,139 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.0 percent of original size [2021-04-29 00:06:26,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 00:06:26,226 INFO L142 QuantifierPusher]: treesize reduction 18, result has 71.9 percent of original size [2021-04-29 00:06:26,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 00:06:26,327 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-04-29 00:06:26,329 INFO L147 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size 21 [2021-04-29 00:06:26,417 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-04-29 00:06:26,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:06:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:06:26,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848173776] [2021-04-29 00:06:26,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:06:26,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:06:26,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700313912] [2021-04-29 00:06:26,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:06:26,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:06:26,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:06:26,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:06:26,475 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 305 [2021-04-29 00:06:26,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 34 transitions, 138 flow. Second operand has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:26,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:06:26,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 305 [2021-04-29 00:06:26,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:06:26,780 INFO L129 PetriNetUnfolder]: 106/306 cut-off events. [2021-04-29 00:06:26,780 INFO L130 PetriNetUnfolder]: For 341/397 co-relation queries the response was YES. [2021-04-29 00:06:26,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 751 conditions, 306 events. 106/306 cut-off events. For 341/397 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1732 event pairs, 41 based on Foata normal form. 18/248 useless extension candidates. Maximal degree in co-relation 735. Up to 157 conditions per place. [2021-04-29 00:06:26,783 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 14 selfloop transitions, 9 changer transitions 0/43 dead transitions. [2021-04-29 00:06:26,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 43 transitions, 213 flow [2021-04-29 00:06:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:06:26,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:06:26,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 667 transitions. [2021-04-29 00:06:26,789 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5467213114754098 [2021-04-29 00:06:26,789 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 667 transitions. [2021-04-29 00:06:26,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 667 transitions. [2021-04-29 00:06:26,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:06:26,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 667 transitions. [2021-04-29 00:06:26,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 166.75) internal successors, (667), 4 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:26,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 305.0) internal successors, (1525), 5 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:26,795 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 305.0) internal successors, (1525), 5 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:26,796 INFO L185 Difference]: Start difference. First operand has 45 places, 34 transitions, 138 flow. Second operand 4 states and 667 transitions. [2021-04-29 00:06:26,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 43 transitions, 213 flow [2021-04-29 00:06:26,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 43 transitions, 213 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 00:06:26,799 INFO L241 Difference]: Finished difference. Result has 50 places, 39 transitions, 194 flow [2021-04-29 00:06:26,799 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=194, PETRI_PLACES=50, PETRI_TRANSITIONS=39} [2021-04-29 00:06:26,799 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -74 predicate places. [2021-04-29 00:06:26,799 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:06:26,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 39 transitions, 194 flow [2021-04-29 00:06:26,800 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 39 transitions, 194 flow [2021-04-29 00:06:26,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 39 transitions, 194 flow [2021-04-29 00:06:26,823 INFO L129 PetriNetUnfolder]: 16/139 cut-off events. [2021-04-29 00:06:26,823 INFO L130 PetriNetUnfolder]: For 112/117 co-relation queries the response was YES. [2021-04-29 00:06:26,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 139 events. 16/139 cut-off events. For 112/117 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 818 event pairs, 1 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 300. Up to 26 conditions per place. [2021-04-29 00:06:26,826 INFO L146 LiptonReduction]: Number of co-enabled transitions 444 [2021-04-29 00:06:26,865 INFO L158 LiptonReduction]: Checked pairs total: 90 [2021-04-29 00:06:26,865 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:06:26,865 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-04-29 00:06:26,867 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 39 transitions, 194 flow [2021-04-29 00:06:26,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:26,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:26,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:06:26,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 00:06:26,868 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:26,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:26,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1009325120, now seen corresponding path program 2 times [2021-04-29 00:06:26,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:26,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213137055] [2021-04-29 00:06:26,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:06:26,945 INFO L142 QuantifierPusher]: treesize reduction 23, result has 37.8 percent of original size [2021-04-29 00:06:26,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:06:26,973 INFO L142 QuantifierPusher]: treesize reduction 8, result has 69.2 percent of original size [2021-04-29 00:06:26,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:06:26,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:26,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 00:06:27,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:27,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 00:06:27,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:06:27,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213137055] [2021-04-29 00:06:27,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:06:27,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:06:27,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215662816] [2021-04-29 00:06:27,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:06:27,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:06:27,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:06:27,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:06:27,120 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 305 [2021-04-29 00:06:27,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 39 transitions, 194 flow. Second operand has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:27,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:06:27,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 305 [2021-04-29 00:06:27,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:06:27,351 INFO L129 PetriNetUnfolder]: 106/320 cut-off events. [2021-04-29 00:06:27,352 INFO L130 PetriNetUnfolder]: For 508/548 co-relation queries the response was YES. [2021-04-29 00:06:27,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 939 conditions, 320 events. 106/320 cut-off events. For 508/548 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1914 event pairs, 35 based on Foata normal form. 16/259 useless extension candidates. Maximal degree in co-relation 919. Up to 143 conditions per place. [2021-04-29 00:06:27,356 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 17 selfloop transitions, 10 changer transitions 3/50 dead transitions. [2021-04-29 00:06:27,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 50 transitions, 304 flow [2021-04-29 00:06:27,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:06:27,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:06:27,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 710 transitions. [2021-04-29 00:06:27,363 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5819672131147541 [2021-04-29 00:06:27,363 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 710 transitions. [2021-04-29 00:06:27,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 710 transitions. [2021-04-29 00:06:27,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:06:27,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 710 transitions. [2021-04-29 00:06:27,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 177.5) internal successors, (710), 4 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:27,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 305.0) internal successors, (1525), 5 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:27,370 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 305.0) internal successors, (1525), 5 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:27,370 INFO L185 Difference]: Start difference. First operand has 50 places, 39 transitions, 194 flow. Second operand 4 states and 710 transitions. [2021-04-29 00:06:27,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 50 transitions, 304 flow [2021-04-29 00:06:27,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 50 transitions, 296 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-04-29 00:06:27,375 INFO L241 Difference]: Finished difference. Result has 54 places, 43 transitions, 251 flow [2021-04-29 00:06:27,375 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=251, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2021-04-29 00:06:27,376 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -70 predicate places. [2021-04-29 00:06:27,376 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:06:27,376 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 43 transitions, 251 flow [2021-04-29 00:06:27,376 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 43 transitions, 251 flow [2021-04-29 00:06:27,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 43 transitions, 251 flow [2021-04-29 00:06:27,411 INFO L129 PetriNetUnfolder]: 35/185 cut-off events. [2021-04-29 00:06:27,411 INFO L130 PetriNetUnfolder]: For 276/286 co-relation queries the response was YES. [2021-04-29 00:06:27,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 185 events. 35/185 cut-off events. For 276/286 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1129 event pairs, 10 based on Foata normal form. 2/126 useless extension candidates. Maximal degree in co-relation 479. Up to 62 conditions per place. [2021-04-29 00:06:27,416 INFO L146 LiptonReduction]: Number of co-enabled transitions 454 [2021-04-29 00:06:27,419 INFO L158 LiptonReduction]: Checked pairs total: 102 [2021-04-29 00:06:27,419 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:06:27,419 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-04-29 00:06:27,420 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 43 transitions, 251 flow [2021-04-29 00:06:27,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:27,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:27,421 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:06:27,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 00:06:27,422 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:27,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:27,422 INFO L82 PathProgramCache]: Analyzing trace with hash -57494169, now seen corresponding path program 1 times [2021-04-29 00:06:27,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:27,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156503441] [2021-04-29 00:06:27,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:06:27,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:27,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:06:27,536 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:06:27,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:06:27,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:27,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:06:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:06:27,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156503441] [2021-04-29 00:06:27,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:06:27,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:06:27,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668912629] [2021-04-29 00:06:27,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:06:27,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:06:27,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:06:27,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:06:27,588 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 305 [2021-04-29 00:06:27,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 251 flow. Second operand has 4 states, 4 states have (on average 224.75) internal successors, (899), 4 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:27,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:06:27,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 305 [2021-04-29 00:06:27,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:06:28,165 INFO L129 PetriNetUnfolder]: 1486/2698 cut-off events. [2021-04-29 00:06:28,165 INFO L130 PetriNetUnfolder]: For 2406/2463 co-relation queries the response was YES. [2021-04-29 00:06:28,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6360 conditions, 2698 events. 1486/2698 cut-off events. For 2406/2463 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 20696 event pairs, 703 based on Foata normal form. 252/1522 useless extension candidates. Maximal degree in co-relation 6337. Up to 1927 conditions per place. [2021-04-29 00:06:28,191 INFO L132 encePairwiseOnDemand]: 293/305 looper letters, 20 selfloop transitions, 20 changer transitions 0/71 dead transitions. [2021-04-29 00:06:28,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 71 transitions, 387 flow [2021-04-29 00:06:28,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:06:28,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:06:28,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1162 transitions. [2021-04-29 00:06:28,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7619672131147541 [2021-04-29 00:06:28,198 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1162 transitions. [2021-04-29 00:06:28,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1162 transitions. [2021-04-29 00:06:28,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:06:28,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1162 transitions. [2021-04-29 00:06:28,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 232.4) internal successors, (1162), 5 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:28,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:28,208 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:28,208 INFO L185 Difference]: Start difference. First operand has 54 places, 43 transitions, 251 flow. Second operand 5 states and 1162 transitions. [2021-04-29 00:06:28,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 71 transitions, 387 flow [2021-04-29 00:06:28,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 71 transitions, 372 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-04-29 00:06:28,219 INFO L241 Difference]: Finished difference. Result has 59 places, 62 transitions, 386 flow [2021-04-29 00:06:28,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=386, PETRI_PLACES=59, PETRI_TRANSITIONS=62} [2021-04-29 00:06:28,220 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -65 predicate places. [2021-04-29 00:06:28,220 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:06:28,220 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 62 transitions, 386 flow [2021-04-29 00:06:28,220 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 62 transitions, 386 flow [2021-04-29 00:06:28,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 62 transitions, 386 flow [2021-04-29 00:06:28,597 INFO L129 PetriNetUnfolder]: 1492/2769 cut-off events. [2021-04-29 00:06:28,597 INFO L130 PetriNetUnfolder]: For 2148/2487 co-relation queries the response was YES. [2021-04-29 00:06:28,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8419 conditions, 2769 events. 1492/2769 cut-off events. For 2148/2487 co-relation queries the response was YES. Maximal size of possible extension queue 506. Compared 21896 event pairs, 663 based on Foata normal form. 27/1341 useless extension candidates. Maximal degree in co-relation 8395. Up to 2234 conditions per place. [2021-04-29 00:06:28,647 INFO L146 LiptonReduction]: Number of co-enabled transitions 584 [2021-04-29 00:06:28,682 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:06:28,682 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:06:28,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 462 [2021-04-29 00:06:28,683 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 62 transitions, 386 flow [2021-04-29 00:06:28,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 224.75) internal successors, (899), 4 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:28,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:28,684 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:06:28,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 00:06:28,684 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:28,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:28,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1615124788, now seen corresponding path program 1 times [2021-04-29 00:06:28,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:28,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302465784] [2021-04-29 00:06:28,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:06:28,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:28,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:06:28,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:28,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:06:28,811 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:06:28,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:06:28,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:28,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:06:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:06:28,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302465784] [2021-04-29 00:06:28,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:06:28,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:06:28,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503611718] [2021-04-29 00:06:28,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:06:28,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:06:28,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:06:28,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:06:28,845 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 305 [2021-04-29 00:06:28,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 62 transitions, 386 flow. Second operand has 5 states, 5 states have (on average 224.8) internal successors, (1124), 5 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:28,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:06:28,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 305 [2021-04-29 00:06:28,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:06:29,500 INFO L129 PetriNetUnfolder]: 1048/2278 cut-off events. [2021-04-29 00:06:29,500 INFO L130 PetriNetUnfolder]: For 2479/4608 co-relation queries the response was YES. [2021-04-29 00:06:29,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9043 conditions, 2278 events. 1048/2278 cut-off events. For 2479/4608 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 19001 event pairs, 130 based on Foata normal form. 352/1408 useless extension candidates. Maximal degree in co-relation 9017. Up to 1859 conditions per place. [2021-04-29 00:06:29,523 INFO L132 encePairwiseOnDemand]: 293/305 looper letters, 11 selfloop transitions, 39 changer transitions 9/90 dead transitions. [2021-04-29 00:06:29,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 90 transitions, 670 flow [2021-04-29 00:06:29,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:06:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:06:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1629 transitions. [2021-04-29 00:06:29,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7629976580796253 [2021-04-29 00:06:29,532 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1629 transitions. [2021-04-29 00:06:29,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1629 transitions. [2021-04-29 00:06:29,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:06:29,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1629 transitions. [2021-04-29 00:06:29,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 232.71428571428572) internal successors, (1629), 7 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:29,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 305.0) internal successors, (2440), 8 states have internal predecessors, (2440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:29,544 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 305.0) internal successors, (2440), 8 states have internal predecessors, (2440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:29,544 INFO L185 Difference]: Start difference. First operand has 59 places, 62 transitions, 386 flow. Second operand 7 states and 1629 transitions. [2021-04-29 00:06:29,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 90 transitions, 670 flow [2021-04-29 00:06:29,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 90 transitions, 660 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:06:29,564 INFO L241 Difference]: Finished difference. Result has 67 places, 81 transitions, 637 flow [2021-04-29 00:06:29,564 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=637, PETRI_PLACES=67, PETRI_TRANSITIONS=81} [2021-04-29 00:06:29,565 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -57 predicate places. [2021-04-29 00:06:29,565 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:06:29,565 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 81 transitions, 637 flow [2021-04-29 00:06:29,565 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 81 transitions, 637 flow [2021-04-29 00:06:29,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 81 transitions, 637 flow [2021-04-29 00:06:29,931 INFO L129 PetriNetUnfolder]: 880/2092 cut-off events. [2021-04-29 00:06:29,931 INFO L130 PetriNetUnfolder]: For 4234/4889 co-relation queries the response was YES. [2021-04-29 00:06:29,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9280 conditions, 2092 events. 880/2092 cut-off events. For 4234/4889 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 18964 event pairs, 146 based on Foata normal form. 11/1089 useless extension candidates. Maximal degree in co-relation 9252. Up to 1628 conditions per place. [2021-04-29 00:06:29,971 INFO L146 LiptonReduction]: Number of co-enabled transitions 672 [2021-04-29 00:06:29,997 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:06:29,997 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:06:29,997 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 432 [2021-04-29 00:06:29,998 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 81 transitions, 637 flow [2021-04-29 00:06:29,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 224.8) internal successors, (1124), 5 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:29,999 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:29,999 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:06:29,999 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 00:06:29,999 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:30,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:30,000 INFO L82 PathProgramCache]: Analyzing trace with hash 2008504213, now seen corresponding path program 1 times [2021-04-29 00:06:30,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:30,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539325988] [2021-04-29 00:06:30,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:06:30,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:30,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:06:30,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:30,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:06:30,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:30,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:06:30,113 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:06:30,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:06:30,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:30,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:06:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:06:30,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539325988] [2021-04-29 00:06:30,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:06:30,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:06:30,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029753991] [2021-04-29 00:06:30,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:06:30,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:06:30,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:06:30,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:06:30,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 305 [2021-04-29 00:06:30,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 81 transitions, 637 flow. Second operand has 6 states, 6 states have (on average 224.83333333333334) internal successors, (1349), 6 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:30,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:06:30,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 305 [2021-04-29 00:06:30,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:06:30,861 INFO L129 PetriNetUnfolder]: 589/1531 cut-off events. [2021-04-29 00:06:30,861 INFO L130 PetriNetUnfolder]: For 4153/10024 co-relation queries the response was YES. [2021-04-29 00:06:30,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8148 conditions, 1531 events. 589/1531 cut-off events. For 4153/10024 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 13410 event pairs, 4 based on Foata normal form. 311/989 useless extension candidates. Maximal degree in co-relation 8118. Up to 1319 conditions per place. [2021-04-29 00:06:30,877 INFO L132 encePairwiseOnDemand]: 293/305 looper letters, 2 selfloop transitions, 49 changer transitions 18/91 dead transitions. [2021-04-29 00:06:30,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 91 transitions, 835 flow [2021-04-29 00:06:30,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:06:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:06:30,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2078 transitions. [2021-04-29 00:06:30,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7570127504553734 [2021-04-29 00:06:30,888 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2078 transitions. [2021-04-29 00:06:30,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2078 transitions. [2021-04-29 00:06:30,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:06:30,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2078 transitions. [2021-04-29 00:06:30,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 230.88888888888889) internal successors, (2078), 9 states have internal predecessors, (2078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:30,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:30,904 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:30,904 INFO L185 Difference]: Start difference. First operand has 67 places, 81 transitions, 637 flow. Second operand 9 states and 2078 transitions. [2021-04-29 00:06:30,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 91 transitions, 835 flow [2021-04-29 00:06:30,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 91 transitions, 724 flow, removed 42 selfloop flow, removed 4 redundant places. [2021-04-29 00:06:30,990 INFO L241 Difference]: Finished difference. Result has 74 places, 73 transitions, 607 flow [2021-04-29 00:06:30,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=607, PETRI_PLACES=74, PETRI_TRANSITIONS=73} [2021-04-29 00:06:30,990 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -50 predicate places. [2021-04-29 00:06:30,990 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:06:30,991 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 73 transitions, 607 flow [2021-04-29 00:06:30,991 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 73 transitions, 607 flow [2021-04-29 00:06:30,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 73 transitions, 607 flow [2021-04-29 00:06:31,101 INFO L129 PetriNetUnfolder]: 224/660 cut-off events. [2021-04-29 00:06:31,101 INFO L130 PetriNetUnfolder]: For 1148/1189 co-relation queries the response was YES. [2021-04-29 00:06:31,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2918 conditions, 660 events. 224/660 cut-off events. For 1148/1189 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 5286 event pairs, 1 based on Foata normal form. 2/339 useless extension candidates. Maximal degree in co-relation 2888. Up to 270 conditions per place. [2021-04-29 00:06:31,114 INFO L146 LiptonReduction]: Number of co-enabled transitions 446 [2021-04-29 00:06:31,172 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:06:31,172 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:06:31,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 182 [2021-04-29 00:06:31,173 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 73 transitions, 607 flow [2021-04-29 00:06:31,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 224.83333333333334) internal successors, (1349), 6 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:31,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:31,174 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:06:31,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 00:06:31,175 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:31,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:31,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1264251502, now seen corresponding path program 1 times [2021-04-29 00:06:31,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:31,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135220717] [2021-04-29 00:06:31,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:06:31,277 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-29 00:06:31,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 00:06:31,350 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-29 00:06:31,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 00:06:31,457 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-04-29 00:06:31,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 00:06:31,588 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2021-04-29 00:06:31,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:31,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 00:06:31,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:31,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:06:31,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:06:31,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:06:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:06:31,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135220717] [2021-04-29 00:06:31,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:06:31,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:06:31,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301114472] [2021-04-29 00:06:31,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:06:31,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:06:31,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:06:31,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:06:31,671 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 305 [2021-04-29 00:06:31,672 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 73 transitions, 607 flow. Second operand has 7 states, 7 states have (on average 157.14285714285714) internal successors, (1100), 7 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:31,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:06:31,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 305 [2021-04-29 00:06:31,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:06:32,036 INFO L129 PetriNetUnfolder]: 360/998 cut-off events. [2021-04-29 00:06:32,036 INFO L130 PetriNetUnfolder]: For 3239/4032 co-relation queries the response was YES. [2021-04-29 00:06:32,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4647 conditions, 998 events. 360/998 cut-off events. For 3239/4032 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 8438 event pairs, 0 based on Foata normal form. 48/515 useless extension candidates. Maximal degree in co-relation 4615. Up to 405 conditions per place. [2021-04-29 00:06:32,046 INFO L132 encePairwiseOnDemand]: 300/305 looper letters, 11 selfloop transitions, 5 changer transitions 4/77 dead transitions. [2021-04-29 00:06:32,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 77 transitions, 679 flow [2021-04-29 00:06:32,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:06:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:06:32,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 793 transitions. [2021-04-29 00:06:32,052 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.52 [2021-04-29 00:06:32,052 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 793 transitions. [2021-04-29 00:06:32,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 793 transitions. [2021-04-29 00:06:32,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:06:32,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 793 transitions. [2021-04-29 00:06:32,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 158.6) internal successors, (793), 5 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:32,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:32,059 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:32,059 INFO L185 Difference]: Start difference. First operand has 73 places, 73 transitions, 607 flow. Second operand 5 states and 793 transitions. [2021-04-29 00:06:32,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 77 transitions, 679 flow [2021-04-29 00:06:32,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 77 transitions, 507 flow, removed 36 selfloop flow, removed 14 redundant places. [2021-04-29 00:06:32,112 INFO L241 Difference]: Finished difference. Result has 65 places, 72 transitions, 452 flow [2021-04-29 00:06:32,112 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=452, PETRI_PLACES=65, PETRI_TRANSITIONS=72} [2021-04-29 00:06:32,112 INFO L343 CegarLoopForPetriNet]: 124 programPoint places, -59 predicate places. [2021-04-29 00:06:32,112 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:06:32,113 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 72 transitions, 452 flow [2021-04-29 00:06:32,113 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 72 transitions, 452 flow [2021-04-29 00:06:32,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 72 transitions, 452 flow [2021-04-29 00:06:32,188 INFO L129 PetriNetUnfolder]: 222/648 cut-off events. [2021-04-29 00:06:32,188 INFO L130 PetriNetUnfolder]: For 520/524 co-relation queries the response was YES. [2021-04-29 00:06:32,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2190 conditions, 648 events. 222/648 cut-off events. For 520/524 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 5345 event pairs, 1 based on Foata normal form. 1/329 useless extension candidates. Maximal degree in co-relation 2167. Up to 270 conditions per place. [2021-04-29 00:06:32,199 INFO L146 LiptonReduction]: Number of co-enabled transitions 360 [2021-04-29 00:06:32,566 INFO L158 LiptonReduction]: Checked pairs total: 5 [2021-04-29 00:06:32,566 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:06:32,567 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 455 [2021-04-29 00:06:32,568 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 72 transitions, 461 flow [2021-04-29 00:06:32,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 157.14285714285714) internal successors, (1100), 7 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:06:32,569 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:06:32,569 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:06:32,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 00:06:32,570 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:06:32,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:06:32,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1913537204, now seen corresponding path program 2 times [2021-04-29 00:06:32,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:06:32,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667042163] [2021-04-29 00:06:32,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:06:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:06:32,643 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:06:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:06:32,724 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:06:32,813 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 00:06:32,814 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 00:06:32,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 00:06:32,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 12:06:32 BasicIcfg [2021-04-29 00:06:32,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 00:06:32,937 INFO L168 Benchmark]: Toolchain (without parser) took 165067.54 ms. Allocated memory was 304.1 MB in the beginning and 587.2 MB in the end (delta: 283.1 MB). Free memory was 278.1 MB in the beginning and 533.9 MB in the end (delta: -255.8 MB). Peak memory consumption was 359.7 MB. Max. memory is 16.0 GB. [2021-04-29 00:06:32,937 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 304.1 MB. Free memory is still 274.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:06:32,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.22 ms. Allocated memory is still 304.1 MB. Free memory was 275.0 MB in the beginning and 268.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.0 GB. [2021-04-29 00:06:32,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.21 ms. Allocated memory is still 304.1 MB. Free memory was 268.9 MB in the beginning and 265.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:06:32,938 INFO L168 Benchmark]: Boogie Preprocessor took 87.57 ms. Allocated memory is still 304.1 MB. Free memory was 265.8 MB in the beginning and 263.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:06:32,938 INFO L168 Benchmark]: RCFGBuilder took 2475.35 ms. Allocated memory was 304.1 MB in the beginning and 364.9 MB in the end (delta: 60.8 MB). Free memory was 263.7 MB in the beginning and 220.5 MB in the end (delta: 43.3 MB). Peak memory consumption was 105.6 MB. Max. memory is 16.0 GB. [2021-04-29 00:06:32,939 INFO L168 Benchmark]: TraceAbstraction took 161569.90 ms. Allocated memory was 364.9 MB in the beginning and 587.2 MB in the end (delta: 222.3 MB). Free memory was 220.5 MB in the beginning and 533.9 MB in the end (delta: -313.4 MB). Peak memory consumption was 239.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:06:32,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 304.1 MB. Free memory is still 274.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 747.22 ms. Allocated memory is still 304.1 MB. Free memory was 275.0 MB in the beginning and 268.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 129.21 ms. Allocated memory is still 304.1 MB. Free memory was 268.9 MB in the beginning and 265.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 87.57 ms. Allocated memory is still 304.1 MB. Free memory was 265.8 MB in the beginning and 263.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2475.35 ms. Allocated memory was 304.1 MB in the beginning and 364.9 MB in the end (delta: 60.8 MB). Free memory was 263.7 MB in the beginning and 220.5 MB in the end (delta: 43.3 MB). Peak memory consumption was 105.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 161569.90 ms. Allocated memory was 364.9 MB in the beginning and 587.2 MB in the end (delta: 222.3 MB). Free memory was 220.5 MB in the beginning and 533.9 MB in the end (delta: -313.4 MB). Peak memory consumption was 239.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 150393.8ms, 100 PlacesBefore, 124 PlacesAfterwards, 92 TransitionsBefore, 116 TransitionsAfterwards, 1602 CoEnabledTransitionPairs, 9 FixpointIterations, 132 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 210 TotalNumberOfCompositions, 15064 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3938, positive: 3673, positive conditional: 3673, positive unconditional: 0, negative: 265, negative conditional: 265, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1872, positive: 1815, positive conditional: 0, positive unconditional: 1815, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1872, positive: 1815, positive conditional: 0, positive unconditional: 1815, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1872, positive: 1785, positive conditional: 0, positive unconditional: 1785, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 87, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1544, positive: 127, positive conditional: 0, positive unconditional: 127, negative: 1416, negative conditional: 0, negative unconditional: 1416, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3938, positive: 1858, positive conditional: 1858, positive unconditional: 0, negative: 208, negative conditional: 208, negative unconditional: 0, unknown: 1872, unknown conditional: 1872, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1872, Positive cache size: 1815, Positive conditional cache size: 1815, Positive unconditional cache size: 0, Negative cache size: 57, Negative conditional cache size: 57, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 504.5ms, 120 PlacesBefore, 49 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 878 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 818 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 119, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, positive: 26, positive conditional: 9, positive unconditional: 17, negative: 18, negative conditional: 6, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 44, positive: 26, positive conditional: 9, positive unconditional: 17, negative: 18, negative conditional: 6, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 44, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 18, negative conditional: 6, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 481, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 462, negative conditional: 188, negative unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 119, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1916, Positive cache size: 1841, Positive conditional cache size: 1841, Positive unconditional cache size: 0, Negative cache size: 75, Negative conditional cache size: 75, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 336.4ms, 50 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 519 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 137, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 325, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 275, negative conditional: 0, negative unconditional: 275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 137, positive: 93, positive conditional: 93, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1943, Positive cache size: 1856, Positive conditional cache size: 1856, Positive unconditional cache size: 0, Negative cache size: 87, Negative conditional cache size: 87, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.0ms, 41 PlacesBefore, 41 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 442 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 451 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 119, positive: 94, positive conditional: 94, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 119, positive: 85, positive conditional: 85, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1952, Positive cache size: 1865, Positive conditional cache size: 1865, Positive unconditional cache size: 0, Negative cache size: 87, Negative conditional cache size: 87, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.6ms, 42 PlacesBefore, 42 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 438 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 413 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 83, positive conditional: 83, positive unconditional: 0, negative: 23, negative conditional: 23, 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: 106, positive: 83, positive conditional: 83, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1952, Positive cache size: 1865, Positive conditional cache size: 1865, Positive unconditional cache size: 0, Negative cache size: 87, Negative conditional cache size: 87, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.2ms, 47 PlacesBefore, 43 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 354 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 371 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 83, positive conditional: 83, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 20, positive conditional: 3, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, positive: 20, positive conditional: 3, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 106, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1973, Positive cache size: 1885, Positive conditional cache size: 1885, Positive unconditional cache size: 0, Negative cache size: 88, Negative conditional cache size: 88, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 244.1ms, 45 PlacesBefore, 45 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 402 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 153 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 11, positive conditional: 3, positive unconditional: 8, 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: 14, positive: 11, positive conditional: 3, positive unconditional: 8, 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: 14, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 219, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 168, negative conditional: 0, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1987, Positive cache size: 1896, Positive conditional cache size: 1896, Positive unconditional cache size: 0, Negative cache size: 91, Negative conditional cache size: 91, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.3ms, 50 PlacesBefore, 50 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 444 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 90 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1989, Positive cache size: 1896, Positive conditional cache size: 1896, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.7ms, 54 PlacesBefore, 54 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 102 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1989, Positive cache size: 1896, Positive conditional cache size: 1896, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 461.6ms, 59 PlacesBefore, 59 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 584 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): 1989, Positive cache size: 1896, Positive conditional cache size: 1896, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 431.8ms, 67 PlacesBefore, 67 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 672 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): 1989, Positive cache size: 1896, Positive conditional cache size: 1896, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 181.4ms, 74 PlacesBefore, 73 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 446 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): 1989, Positive cache size: 1896, Positive conditional cache size: 1896, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 453.6ms, 65 PlacesBefore, 65 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 360 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, 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: 5, positive: 5, positive conditional: 5, 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: 5, positive: 5, positive conditional: 5, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1994, Positive cache size: 1901, Positive conditional cache size: 1901, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, 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; [L718] 0 _Bool y$flush_delayed; [L719] 0 int y$mem_tmp; [L720] 0 _Bool y$r_buff0_thd0; [L721] 0 _Bool y$r_buff0_thd1; [L722] 0 _Bool y$r_buff0_thd2; [L723] 0 _Bool y$r_buff0_thd3; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$r_buff1_thd3; [L728] 0 _Bool y$read_delayed; [L729] 0 int *y$read_delayed_var; [L730] 0 int y$w_buff0; [L731] 0 _Bool y$w_buff0_used; [L732] 0 int y$w_buff1; [L733] 0 _Bool y$w_buff1_used; [L734] 0 _Bool weak$$choice0; [L735] 0 _Bool weak$$choice2; [L813] 0 pthread_t t2186; [L814] FCALL, FORK 0 pthread_create(&t2186, ((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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L739] 1 y$w_buff1 = y$w_buff0 [L740] 1 y$w_buff0 = 2 [L741] 1 y$w_buff1_used = y$w_buff0_used [L742] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L744] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L745] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L746] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L747] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L748] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L751] 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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L815] 0 pthread_t t2187; [L816] FCALL, FORK 0 pthread_create(&t2187, ((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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L768] 2 x = 2 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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L817] 0 pthread_t t2188; [L818] FCALL, FORK 0 pthread_create(&t2188, ((void *)0), P2, ((void *)0)) 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=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L785] 3 __unbuffered_p2_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L788] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, 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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L791] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L791] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L791] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L791] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L792] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L792] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L793] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L793] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L794] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L794] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L795] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L754] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L755] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L756] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L757] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L757] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L758] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L758] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L763] 1 return 0; [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L772] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L773] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L774] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L774] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L775] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L775] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L798] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L825] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L825] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L826] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L827] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L828] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L831] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 0 y$flush_delayed = weak$$choice2 [L834] 0 y$mem_tmp = y [L835] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L835] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L836] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L836] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L837] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L837] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L838] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L838] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L839] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L839] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L840] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L841] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2) [L843] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L843] 0 y = y$flush_delayed ? y$mem_tmp : y [L844] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 94 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 161294.2ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4673.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 150512.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 61 SDtfs, 31 SDslu, 15 SDs, 0 SdLazy, 401 SolverSat, 150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1067.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1439.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=637occurred in iteration=10, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 57.8ms SsaConstructionTime, 582.3ms SatisfiabilityAnalysisTime, 2146.9ms InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 137 ConstructedInterpolants, 0 QuantifiedInterpolants, 1425 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...