/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/mix056_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:36:14,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:36:14,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:36:14,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:36:14,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:36:14,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:36:14,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:36:14,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:36:14,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:36:14,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:36:14,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:36:14,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:36:14,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:36:14,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:36:14,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:36:14,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:36:14,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:36:14,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:36:14,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:36:14,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:36:14,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:36:14,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:36:14,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:36:14,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:36:14,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 22:36:14,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:36:14,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:36:14,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:36:14,182 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 [2021-04-28 22:36:14,213 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:36:14,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:36:14,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:36:14,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:36:14,216 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:36:14,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:36:14,217 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:36:14,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:36:14,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:36:14,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:36:14,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:36:14,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:36:14,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:36:14,219 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:36:14,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:36:14,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:36:14,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:36:14,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:36:14,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:36:14,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:36:14,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:36:14,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:36:14,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:36:14,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:36:14,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:36:14,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:36:14,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:36:14,223 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:36:14,223 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:36:14,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:36:14,224 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:36:14,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:36:14,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:36:14,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:36:14,718 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:36:14,719 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:36:14,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_rmo.opt.i [2021-04-28 22:36:14,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3272758cc/434dc5a689904832ba5cd1e557382303/FLAG80ba4a217 [2021-04-28 22:36:15,590 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:36:15,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_rmo.opt.i [2021-04-28 22:36:15,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3272758cc/434dc5a689904832ba5cd1e557382303/FLAG80ba4a217 [2021-04-28 22:36:15,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3272758cc/434dc5a689904832ba5cd1e557382303 [2021-04-28 22:36:15,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:36:15,942 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:36:15,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:36:15,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:36:15,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:36:15,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:36:15" (1/1) ... [2021-04-28 22:36:15,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bc380b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:15, skipping insertion in model container [2021-04-28 22:36:15,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:36:15" (1/1) ... [2021-04-28 22:36:15,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:36:16,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:36:16,233 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/mix056_rmo.opt.i[948,961] [2021-04-28 22:36:16,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:36:16,503 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:36:16,522 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/mix056_rmo.opt.i[948,961] [2021-04-28 22:36:16,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:36:16,794 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:36:16,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:16 WrapperNode [2021-04-28 22:36:16,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:36:16,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:36:16,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:36:16,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:36:16,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:16" (1/1) ... [2021-04-28 22:36:16,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:16" (1/1) ... [2021-04-28 22:36:16,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:36:16,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:36:16,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:36:16,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:36:16,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:16" (1/1) ... [2021-04-28 22:36:16,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:16" (1/1) ... [2021-04-28 22:36:16,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:16" (1/1) ... [2021-04-28 22:36:16,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:16" (1/1) ... [2021-04-28 22:36:16,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:16" (1/1) ... [2021-04-28 22:36:16,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:16" (1/1) ... [2021-04-28 22:36:17,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:16" (1/1) ... [2021-04-28 22:36:17,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:36:17,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:36:17,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:36:17,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:36:17,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:16" (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 [2021-04-28 22:36:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:36:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:36:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:36:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:36:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:36:17,150 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:36:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:36:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:36:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 22:36:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 22:36:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:36:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:36:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:36:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:36:17,154 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 22:36:19,496 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:36:19,496 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:36:19,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:36:19 BoogieIcfgContainer [2021-04-28 22:36:19,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:36:19,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:36:19,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:36:19,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:36:19,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:36:15" (1/3) ... [2021-04-28 22:36:19,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b65fbc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:36:19, skipping insertion in model container [2021-04-28 22:36:19,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:36:16" (2/3) ... [2021-04-28 22:36:19,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b65fbc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:36:19, skipping insertion in model container [2021-04-28 22:36:19,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:36:19" (3/3) ... [2021-04-28 22:36:19,508 INFO L111 eAbstractionObserver]: Analyzing ICFG mix056_rmo.opt.i [2021-04-28 22:36:19,516 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:36:19,522 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:36:19,523 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:36:19,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,562 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,562 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,563 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,563 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,565 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,565 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,565 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,565 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,573 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,573 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,574 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,574 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,574 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,575 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,575 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,576 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,584 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,585 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,587 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,588 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,593 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,593 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,596 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:36:19,599 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:36:19,649 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 22:36:19,699 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:36:19,699 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:36:19,699 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:36:19,705 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:36:19,705 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:36:19,706 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:36:19,706 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:36:19,706 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:36:19,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 207 flow [2021-04-28 22:36:19,776 INFO L129 PetriNetUnfolder]: 2/93 cut-off events. [2021-04-28 22:36:19,776 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:36:19,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 2/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 22:36:19,782 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 96 transitions, 207 flow [2021-04-28 22:36:19,787 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 93 transitions, 195 flow [2021-04-28 22:36:19,789 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:36:19,806 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 93 transitions, 195 flow [2021-04-28 22:36:19,810 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 93 transitions, 195 flow [2021-04-28 22:36:19,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 93 transitions, 195 flow [2021-04-28 22:36:19,837 INFO L129 PetriNetUnfolder]: 2/93 cut-off events. [2021-04-28 22:36:19,837 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:36:19,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 2/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 22:36:19,842 INFO L146 LiptonReduction]: Number of co-enabled transitions 1578 [2021-04-28 22:36:21,068 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 22:36:23,741 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:36:24,253 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 22:36:26,568 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 22:36:27,589 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 22:36:28,213 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:36:28,353 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 22:36:28,972 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 22:36:29,253 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 22:36:31,624 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 22:36:32,128 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:36:34,670 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 22:36:35,831 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:36:37,069 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 22:36:37,619 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:36:40,067 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:36:41,184 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:36:42,475 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:36:43,061 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 22:36:45,671 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 22:36:46,859 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 22:36:49,730 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:36:50,338 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 22:36:52,970 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 310 DAG size of output: 265 [2021-04-28 22:36:54,222 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 262 [2021-04-28 22:36:55,643 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 229 DAG size of output: 188 [2021-04-28 22:36:56,275 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:36:59,245 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 313 DAG size of output: 268 [2021-04-28 22:37:00,620 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:37:02,252 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 22:37:03,685 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2021-04-28 22:37:07,035 WARN L205 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 313 DAG size of output: 268 [2021-04-28 22:37:08,557 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:37:10,203 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:37:10,968 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:37:14,512 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:37:16,108 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:37:20,633 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:37:21,459 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 22:37:25,197 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 22:37:26,889 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 22:37:28,801 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:37:29,663 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:37:33,393 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 22:37:35,077 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 22:37:37,132 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 22:37:38,100 WARN L205 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:37:42,192 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 22:37:44,093 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 22:37:48,540 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:37:48,647 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:37:48,759 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:37:48,866 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:37:48,972 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:37:49,411 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:37:49,568 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:37:49,713 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:37:49,856 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:37:49,992 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:37:50,129 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:37:50,255 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:37:50,384 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:37:50,512 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:37:50,629 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:37:50,738 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:37:50,846 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:37:50,966 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:37:51,088 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:37:51,199 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:37:51,312 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:37:51,452 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:37:51,595 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:37:51,738 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:37:51,883 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:37:52,004 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:37:52,128 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:37:52,252 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:37:52,371 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:37:52,501 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:37:52,629 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:37:52,765 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:37:52,900 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:37:54,224 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 22:37:54,329 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 22:37:54,432 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 22:37:54,540 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 22:37:54,657 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:37:54,767 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:37:54,880 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:37:55,005 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 22:37:55,538 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 22:37:55,640 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 22:37:57,036 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:37:57,212 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:37:57,381 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:37:57,556 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:37:57,730 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:37:57,906 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:37:58,076 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:37:58,244 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:37:58,461 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:37:58,692 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:37:58,931 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:37:59,177 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:37:59,376 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:37:59,581 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:37:59,771 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:37:59,963 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:38:00,128 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:38:00,287 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:38:00,446 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:38:00,602 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:38:00,806 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:01,015 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:01,221 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:01,420 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:01,645 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:38:01,869 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:38:02,081 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:38:02,285 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:38:02,447 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:02,596 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:02,759 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:02,921 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:03,099 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:03,275 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:03,463 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:03,632 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:03,824 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:38:04,016 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:38:04,204 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:38:04,405 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:38:05,124 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:05,229 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:05,336 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:05,442 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:05,548 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:05,652 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:05,759 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:05,863 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:05,973 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:06,079 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:06,186 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:06,293 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:06,458 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 22:38:06,623 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 22:38:06,794 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 22:38:06,958 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 22:38:07,162 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 22:38:07,361 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 22:38:07,550 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 22:38:07,747 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 22:38:07,855 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:07,957 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:08,069 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:08,175 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:38:08,364 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:08,551 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:08,737 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:08,922 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:09,191 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:38:09,456 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:38:09,714 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:38:09,976 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:38:10,242 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:38:10,514 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:38:10,790 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:38:11,061 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:38:11,258 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:11,461 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:11,671 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:11,894 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:38:12,056 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:12,217 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:12,375 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:12,532 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:12,770 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:38:13,007 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:38:13,257 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:38:13,505 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:38:13,763 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:38:14,024 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:38:14,264 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:38:14,508 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:38:14,681 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:14,842 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:15,007 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:15,167 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:38:15,467 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:15,765 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:16,054 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:16,328 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:16,613 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:38:16,900 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:38:17,194 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:38:17,473 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:38:17,756 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:18,034 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:18,319 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:18,610 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:18,918 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:19,220 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:19,498 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:19,776 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:20,554 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 22:38:20,902 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 22:38:21,651 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 22:38:22,006 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 22:38:22,198 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:22,389 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:22,578 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:22,766 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:38:23,572 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 22:38:23,944 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 22:38:24,777 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 22:38:25,154 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 22:38:25,459 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:25,746 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:26,048 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:26,352 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:38:26,399 INFO L158 LiptonReduction]: Checked pairs total: 15074 [2021-04-28 22:38:26,400 INFO L160 LiptonReduction]: Total number of compositions: 222 [2021-04-28 22:38:26,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 126617 [2021-04-28 22:38:26,431 INFO L129 PetriNetUnfolder]: 2/84 cut-off events. [2021-04-28 22:38:26,432 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:38:26,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:26,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:26,433 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:26,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:26,439 INFO L82 PathProgramCache]: Analyzing trace with hash 513278794, now seen corresponding path program 1 times [2021-04-28 22:38:26,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:26,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703112758] [2021-04-28 22:38:26,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:26,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:26,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:26,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:26,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703112758] [2021-04-28 22:38:26,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:26,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:38:26,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495036041] [2021-04-28 22:38:26,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:38:26,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:26,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:38:26,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:38:26,842 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 318 [2021-04-28 22:38:26,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 118 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:26,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:26,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 318 [2021-04-28 22:38:26,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:27,331 INFO L129 PetriNetUnfolder]: 114/453 cut-off events. [2021-04-28 22:38:27,332 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:38:27,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 453 events. 114/453 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 3374 event pairs, 16 based on Foata normal form. 6/222 useless extension candidates. Maximal degree in co-relation 622. Up to 167 conditions per place. [2021-04-28 22:38:27,337 INFO L132 encePairwiseOnDemand]: 301/318 looper letters, 7 selfloop transitions, 2 changer transitions 89/130 dead transitions. [2021-04-28 22:38:27,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 130 transitions, 363 flow [2021-04-28 22:38:27,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:38:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:38:27,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 740 transitions. [2021-04-28 22:38:27,360 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7756813417190775 [2021-04-28 22:38:27,361 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 740 transitions. [2021-04-28 22:38:27,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 740 transitions. [2021-04-28 22:38:27,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:27,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 740 transitions. [2021-04-28 22:38:27,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:27,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:27,384 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:27,387 INFO L185 Difference]: Start difference. First operand has 126 places, 118 transitions, 245 flow. Second operand 3 states and 740 transitions. [2021-04-28 22:38:27,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 130 transitions, 363 flow [2021-04-28 22:38:27,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 130 transitions, 360 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 22:38:27,395 INFO L241 Difference]: Finished difference. Result has 122 places, 38 transitions, 86 flow [2021-04-28 22:38:27,398 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=122, PETRI_TRANSITIONS=38} [2021-04-28 22:38:27,399 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -4 predicate places. [2021-04-28 22:38:27,399 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:27,399 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 38 transitions, 86 flow [2021-04-28 22:38:27,399 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 38 transitions, 86 flow [2021-04-28 22:38:27,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 86 flow [2021-04-28 22:38:27,406 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-04-28 22:38:27,406 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:38:27,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 126 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. [2021-04-28 22:38:27,407 INFO L146 LiptonReduction]: Number of co-enabled transitions 822 [2021-04-28 22:38:27,639 INFO L158 LiptonReduction]: Checked pairs total: 790 [2021-04-28 22:38:27,639 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:27,640 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 241 [2021-04-28 22:38:27,641 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 86 flow [2021-04-28 22:38:27,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:27,642 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:27,642 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:27,643 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 22:38:27,643 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:27,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:27,644 INFO L82 PathProgramCache]: Analyzing trace with hash -660271546, now seen corresponding path program 1 times [2021-04-28 22:38:27,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:27,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323200080] [2021-04-28 22:38:27,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:27,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:27,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:27,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323200080] [2021-04-28 22:38:27,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:27,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:38:27,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897619972] [2021-04-28 22:38:27,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:38:27,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:27,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:38:27,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:38:27,830 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 318 [2021-04-28 22:38:27,831 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:27,831 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:27,831 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 318 [2021-04-28 22:38:27,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:27,854 INFO L129 PetriNetUnfolder]: 3/54 cut-off events. [2021-04-28 22:38:27,854 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:38:27,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 54 events. 3/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 181 event pairs, 1 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 66. Up to 10 conditions per place. [2021-04-28 22:38:27,855 INFO L132 encePairwiseOnDemand]: 314/318 looper letters, 3 selfloop transitions, 3 changer transitions 0/40 dead transitions. [2021-04-28 22:38:27,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 40 transitions, 102 flow [2021-04-28 22:38:27,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:38:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:38:27,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 670 transitions. [2021-04-28 22:38:27,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7023060796645703 [2021-04-28 22:38:27,861 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 670 transitions. [2021-04-28 22:38:27,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 670 transitions. [2021-04-28 22:38:27,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:27,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 670 transitions. [2021-04-28 22:38:27,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:27,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:27,868 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:27,868 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 86 flow. Second operand 3 states and 670 transitions. [2021-04-28 22:38:27,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 40 transitions, 102 flow [2021-04-28 22:38:27,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 40 transitions, 98 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:38:27,870 INFO L241 Difference]: Finished difference. Result has 48 places, 40 transitions, 101 flow [2021-04-28 22:38:27,870 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2021-04-28 22:38:27,871 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -78 predicate places. [2021-04-28 22:38:27,871 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:27,871 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 40 transitions, 101 flow [2021-04-28 22:38:27,871 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 40 transitions, 101 flow [2021-04-28 22:38:27,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 40 transitions, 101 flow [2021-04-28 22:38:27,879 INFO L129 PetriNetUnfolder]: 3/50 cut-off events. [2021-04-28 22:38:27,879 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:38:27,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 50 events. 3/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 187 event pairs, 1 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 63. Up to 10 conditions per place. [2021-04-28 22:38:27,881 INFO L146 LiptonReduction]: Number of co-enabled transitions 896 [2021-04-28 22:38:28,201 INFO L158 LiptonReduction]: Checked pairs total: 612 [2021-04-28 22:38:28,201 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:28,201 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 330 [2021-04-28 22:38:28,203 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 101 flow [2021-04-28 22:38:28,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:28,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:28,204 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:28,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 22:38:28,204 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:28,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:28,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1006416747, now seen corresponding path program 1 times [2021-04-28 22:38:28,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:28,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096461259] [2021-04-28 22:38:28,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:28,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:28,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 22:38:28,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:28,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:38:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:28,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096461259] [2021-04-28 22:38:28,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:28,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:38:28,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974787661] [2021-04-28 22:38:28,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:38:28,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:28,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:38:28,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:38:28,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 318 [2021-04-28 22:38:28,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 101 flow. Second operand has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:28,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:28,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 318 [2021-04-28 22:38:28,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:28,544 INFO L129 PetriNetUnfolder]: 61/182 cut-off events. [2021-04-28 22:38:28,545 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-04-28 22:38:28,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 182 events. 61/182 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 912 event pairs, 37 based on Foata normal form. 1/135 useless extension candidates. Maximal degree in co-relation 315. Up to 97 conditions per place. [2021-04-28 22:38:28,548 INFO L132 encePairwiseOnDemand]: 314/318 looper letters, 7 selfloop transitions, 3 changer transitions 0/43 dead transitions. [2021-04-28 22:38:28,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 43 transitions, 127 flow [2021-04-28 22:38:28,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:38:28,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:38:28,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 551 transitions. [2021-04-28 22:38:28,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5775681341719078 [2021-04-28 22:38:28,553 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 551 transitions. [2021-04-28 22:38:28,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 551 transitions. [2021-04-28 22:38:28,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:28,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 551 transitions. [2021-04-28 22:38:28,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:28,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:28,559 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:28,560 INFO L185 Difference]: Start difference. First operand has 48 places, 40 transitions, 101 flow. Second operand 3 states and 551 transitions. [2021-04-28 22:38:28,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 43 transitions, 127 flow [2021-04-28 22:38:28,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 43 transitions, 124 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:38:28,562 INFO L241 Difference]: Finished difference. Result has 50 places, 42 transitions, 117 flow [2021-04-28 22:38:28,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=50, PETRI_TRANSITIONS=42} [2021-04-28 22:38:28,562 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -76 predicate places. [2021-04-28 22:38:28,562 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:28,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 42 transitions, 117 flow [2021-04-28 22:38:28,563 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 42 transitions, 117 flow [2021-04-28 22:38:28,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 42 transitions, 117 flow [2021-04-28 22:38:28,574 INFO L129 PetriNetUnfolder]: 7/70 cut-off events. [2021-04-28 22:38:28,574 INFO L130 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2021-04-28 22:38:28,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 70 events. 7/70 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 309 event pairs, 3 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 101. Up to 15 conditions per place. [2021-04-28 22:38:28,576 INFO L146 LiptonReduction]: Number of co-enabled transitions 958 [2021-04-28 22:38:28,664 INFO L158 LiptonReduction]: Checked pairs total: 514 [2021-04-28 22:38:28,665 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:28,665 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-04-28 22:38:28,666 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 42 transitions, 117 flow [2021-04-28 22:38:28,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:28,667 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:28,667 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:28,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 22:38:28,668 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:28,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:28,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1978457567, now seen corresponding path program 1 times [2021-04-28 22:38:28,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:28,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437786393] [2021-04-28 22:38:28,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:28,800 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-28 22:38:28,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-28 22:38:28,862 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 22:38:28,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 22:38:28,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:28,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:38:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:28,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437786393] [2021-04-28 22:38:28,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:28,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:38:28,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767839693] [2021-04-28 22:38:28,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:38:28,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:28,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:38:28,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:38:28,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 318 [2021-04-28 22:38:28,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 117 flow. Second operand has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:28,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:28,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 318 [2021-04-28 22:38:28,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:29,130 INFO L129 PetriNetUnfolder]: 56/179 cut-off events. [2021-04-28 22:38:29,131 INFO L130 PetriNetUnfolder]: For 51/53 co-relation queries the response was YES. [2021-04-28 22:38:29,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 179 events. 56/179 cut-off events. For 51/53 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 924 event pairs, 10 based on Foata normal form. 4/133 useless extension candidates. Maximal degree in co-relation 351. Up to 77 conditions per place. [2021-04-28 22:38:29,134 INFO L132 encePairwiseOnDemand]: 313/318 looper letters, 8 selfloop transitions, 6 changer transitions 0/47 dead transitions. [2021-04-28 22:38:29,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 47 transitions, 161 flow [2021-04-28 22:38:29,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:38:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:38:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 726 transitions. [2021-04-28 22:38:29,140 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5707547169811321 [2021-04-28 22:38:29,140 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 726 transitions. [2021-04-28 22:38:29,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 726 transitions. [2021-04-28 22:38:29,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:29,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 726 transitions. [2021-04-28 22:38:29,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 181.5) internal successors, (726), 4 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) [2021-04-28 22:38:29,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:29,148 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:29,148 INFO L185 Difference]: Start difference. First operand has 50 places, 42 transitions, 117 flow. Second operand 4 states and 726 transitions. [2021-04-28 22:38:29,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 47 transitions, 161 flow [2021-04-28 22:38:29,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 47 transitions, 158 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:38:29,151 INFO L241 Difference]: Finished difference. Result has 53 places, 44 transitions, 139 flow [2021-04-28 22:38:29,151 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=139, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2021-04-28 22:38:29,151 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -73 predicate places. [2021-04-28 22:38:29,151 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:29,152 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 44 transitions, 139 flow [2021-04-28 22:38:29,152 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 44 transitions, 139 flow [2021-04-28 22:38:29,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 44 transitions, 139 flow [2021-04-28 22:38:29,165 INFO L129 PetriNetUnfolder]: 10/77 cut-off events. [2021-04-28 22:38:29,165 INFO L130 PetriNetUnfolder]: For 33/40 co-relation queries the response was YES. [2021-04-28 22:38:29,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 77 events. 10/77 cut-off events. For 33/40 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 346 event pairs, 5 based on Foata normal form. 1/44 useless extension candidates. Maximal degree in co-relation 131. Up to 17 conditions per place. [2021-04-28 22:38:29,168 INFO L146 LiptonReduction]: Number of co-enabled transitions 1022 [2021-04-28 22:38:29,171 INFO L158 LiptonReduction]: Checked pairs total: 362 [2021-04-28 22:38:29,171 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:29,171 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-04-28 22:38:29,173 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 139 flow [2021-04-28 22:38:29,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:29,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:29,174 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:29,174 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 22:38:29,174 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:29,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:29,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1134148200, now seen corresponding path program 1 times [2021-04-28 22:38:29,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:29,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867933229] [2021-04-28 22:38:29,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:29,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:29,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 22:38:29,326 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-28 22:38:29,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 22:38:29,409 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-04-28 22:38:29,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-28 22:38:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:29,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867933229] [2021-04-28 22:38:29,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:29,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:38:29,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959585409] [2021-04-28 22:38:29,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:38:29,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:29,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:38:29,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:38:29,490 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 318 [2021-04-28 22:38:29,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 139 flow. Second operand has 5 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:29,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:29,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 318 [2021-04-28 22:38:29,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:29,710 INFO L129 PetriNetUnfolder]: 50/167 cut-off events. [2021-04-28 22:38:29,711 INFO L130 PetriNetUnfolder]: For 113/117 co-relation queries the response was YES. [2021-04-28 22:38:29,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 167 events. 50/167 cut-off events. For 113/117 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 842 event pairs, 17 based on Foata normal form. 5/126 useless extension candidates. Maximal degree in co-relation 369. Up to 81 conditions per place. [2021-04-28 22:38:29,713 INFO L132 encePairwiseOnDemand]: 313/318 looper letters, 10 selfloop transitions, 5 changer transitions 0/48 dead transitions. [2021-04-28 22:38:29,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 48 transitions, 179 flow [2021-04-28 22:38:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:38:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:38:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 710 transitions. [2021-04-28 22:38:29,720 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5581761006289309 [2021-04-28 22:38:29,720 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 710 transitions. [2021-04-28 22:38:29,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 710 transitions. [2021-04-28 22:38:29,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:29,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 710 transitions. [2021-04-28 22:38:29,723 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) [2021-04-28 22:38:29,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:29,728 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:29,728 INFO L185 Difference]: Start difference. First operand has 53 places, 44 transitions, 139 flow. Second operand 4 states and 710 transitions. [2021-04-28 22:38:29,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 48 transitions, 179 flow [2021-04-28 22:38:29,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 48 transitions, 173 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 22:38:29,731 INFO L241 Difference]: Finished difference. Result has 56 places, 46 transitions, 158 flow [2021-04-28 22:38:29,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=158, PETRI_PLACES=56, PETRI_TRANSITIONS=46} [2021-04-28 22:38:29,732 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -70 predicate places. [2021-04-28 22:38:29,732 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:29,732 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 46 transitions, 158 flow [2021-04-28 22:38:29,732 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 46 transitions, 158 flow [2021-04-28 22:38:29,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 46 transitions, 158 flow [2021-04-28 22:38:29,750 INFO L129 PetriNetUnfolder]: 17/99 cut-off events. [2021-04-28 22:38:29,750 INFO L130 PetriNetUnfolder]: For 75/80 co-relation queries the response was YES. [2021-04-28 22:38:29,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 99 events. 17/99 cut-off events. For 75/80 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 454 event pairs, 9 based on Foata normal form. 1/59 useless extension candidates. Maximal degree in co-relation 190. Up to 25 conditions per place. [2021-04-28 22:38:29,753 INFO L146 LiptonReduction]: Number of co-enabled transitions 1086 [2021-04-28 22:38:29,908 INFO L158 LiptonReduction]: Checked pairs total: 237 [2021-04-28 22:38:29,908 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:29,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-04-28 22:38:29,910 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 46 transitions, 158 flow [2021-04-28 22:38:29,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:29,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:29,911 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:29,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 22:38:29,911 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:29,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:29,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1511848586, now seen corresponding path program 1 times [2021-04-28 22:38:29,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:29,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494346810] [2021-04-28 22:38:29,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:29,983 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 22:38:29,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 22:38:30,050 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-28 22:38:30,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 22:38:30,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:30,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 22:38:30,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:30,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 22:38:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:30,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494346810] [2021-04-28 22:38:30,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:30,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:38:30,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451343627] [2021-04-28 22:38:30,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:38:30,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:30,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:38:30,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:38:30,188 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 318 [2021-04-28 22:38:30,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 46 transitions, 158 flow. Second operand has 5 states, 5 states have (on average 173.0) internal successors, (865), 5 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:30,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:30,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 318 [2021-04-28 22:38:30,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:30,361 INFO L129 PetriNetUnfolder]: 49/169 cut-off events. [2021-04-28 22:38:30,361 INFO L130 PetriNetUnfolder]: For 167/171 co-relation queries the response was YES. [2021-04-28 22:38:30,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 169 events. 49/169 cut-off events. For 167/171 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 863 event pairs, 7 based on Foata normal form. 6/127 useless extension candidates. Maximal degree in co-relation 399. Up to 70 conditions per place. [2021-04-28 22:38:30,364 INFO L132 encePairwiseOnDemand]: 312/318 looper letters, 9 selfloop transitions, 8 changer transitions 0/50 dead transitions. [2021-04-28 22:38:30,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 50 transitions, 205 flow [2021-04-28 22:38:30,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:38:30,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:38:30,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 702 transitions. [2021-04-28 22:38:30,370 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5518867924528302 [2021-04-28 22:38:30,370 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 702 transitions. [2021-04-28 22:38:30,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 702 transitions. [2021-04-28 22:38:30,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:30,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 702 transitions. [2021-04-28 22:38:30,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 175.5) internal successors, (702), 4 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:30,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:30,377 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:30,377 INFO L185 Difference]: Start difference. First operand has 56 places, 46 transitions, 158 flow. Second operand 4 states and 702 transitions. [2021-04-28 22:38:30,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 50 transitions, 205 flow [2021-04-28 22:38:30,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 50 transitions, 196 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 22:38:30,381 INFO L241 Difference]: Finished difference. Result has 59 places, 49 transitions, 193 flow [2021-04-28 22:38:30,381 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=193, PETRI_PLACES=59, PETRI_TRANSITIONS=49} [2021-04-28 22:38:30,381 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -67 predicate places. [2021-04-28 22:38:30,381 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:30,381 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 49 transitions, 193 flow [2021-04-28 22:38:30,382 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 49 transitions, 193 flow [2021-04-28 22:38:30,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 49 transitions, 193 flow [2021-04-28 22:38:30,401 INFO L129 PetriNetUnfolder]: 19/112 cut-off events. [2021-04-28 22:38:30,402 INFO L130 PetriNetUnfolder]: For 107/111 co-relation queries the response was YES. [2021-04-28 22:38:30,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 112 events. 19/112 cut-off events. For 107/111 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 548 event pairs, 8 based on Foata normal form. 3/68 useless extension candidates. Maximal degree in co-relation 235. Up to 22 conditions per place. [2021-04-28 22:38:30,404 INFO L146 LiptonReduction]: Number of co-enabled transitions 1118 [2021-04-28 22:38:30,408 INFO L158 LiptonReduction]: Checked pairs total: 188 [2021-04-28 22:38:30,408 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:30,409 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-04-28 22:38:30,410 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 49 transitions, 193 flow [2021-04-28 22:38:30,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 173.0) internal successors, (865), 5 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:30,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:30,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:30,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:38:30,411 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:30,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:30,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1205408368, now seen corresponding path program 1 times [2021-04-28 22:38:30,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:30,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455133732] [2021-04-28 22:38:30,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:30,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:30,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 22:38:30,506 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-28 22:38:30,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-28 22:38:30,570 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 22:38:30,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 22:38:30,647 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-04-28 22:38:30,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-28 22:38:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:30,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455133732] [2021-04-28 22:38:30,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:30,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:38:30,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685379249] [2021-04-28 22:38:30,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:38:30,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:30,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:38:30,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:38:30,736 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 318 [2021-04-28 22:38:30,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 49 transitions, 193 flow. Second operand has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:30,738 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:30,738 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 318 [2021-04-28 22:38:30,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:30,995 INFO L129 PetriNetUnfolder]: 55/181 cut-off events. [2021-04-28 22:38:30,995 INFO L130 PetriNetUnfolder]: For 229/241 co-relation queries the response was YES. [2021-04-28 22:38:30,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 181 events. 55/181 cut-off events. For 229/241 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 950 event pairs, 5 based on Foata normal form. 10/143 useless extension candidates. Maximal degree in co-relation 487. Up to 74 conditions per place. [2021-04-28 22:38:30,998 INFO L132 encePairwiseOnDemand]: 311/318 looper letters, 10 selfloop transitions, 10 changer transitions 0/53 dead transitions. [2021-04-28 22:38:30,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 53 transitions, 249 flow [2021-04-28 22:38:31,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:38:31,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:38:31,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 912 transitions. [2021-04-28 22:38:31,006 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5735849056603773 [2021-04-28 22:38:31,006 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 912 transitions. [2021-04-28 22:38:31,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 912 transitions. [2021-04-28 22:38:31,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:31,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 912 transitions. [2021-04-28 22:38:31,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 182.4) internal successors, (912), 5 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:31,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:31,015 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:31,015 INFO L185 Difference]: Start difference. First operand has 59 places, 49 transitions, 193 flow. Second operand 5 states and 912 transitions. [2021-04-28 22:38:31,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 53 transitions, 249 flow [2021-04-28 22:38:31,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 53 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:38:31,019 INFO L241 Difference]: Finished difference. Result has 63 places, 51 transitions, 225 flow [2021-04-28 22:38:31,019 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=225, PETRI_PLACES=63, PETRI_TRANSITIONS=51} [2021-04-28 22:38:31,019 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -63 predicate places. [2021-04-28 22:38:31,019 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:31,020 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 51 transitions, 225 flow [2021-04-28 22:38:31,020 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 51 transitions, 225 flow [2021-04-28 22:38:31,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 51 transitions, 225 flow [2021-04-28 22:38:31,048 INFO L129 PetriNetUnfolder]: 32/134 cut-off events. [2021-04-28 22:38:31,048 INFO L130 PetriNetUnfolder]: For 233/237 co-relation queries the response was YES. [2021-04-28 22:38:31,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 134 events. 32/134 cut-off events. For 233/237 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 651 event pairs, 12 based on Foata normal form. 3/86 useless extension candidates. Maximal degree in co-relation 350. Up to 36 conditions per place. [2021-04-28 22:38:31,052 INFO L146 LiptonReduction]: Number of co-enabled transitions 1186 [2021-04-28 22:38:31,056 INFO L158 LiptonReduction]: Checked pairs total: 226 [2021-04-28 22:38:31,056 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:31,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-04-28 22:38:31,057 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 51 transitions, 225 flow [2021-04-28 22:38:31,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:31,058 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:31,058 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:31,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 22:38:31,059 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:31,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:31,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1511850136, now seen corresponding path program 2 times [2021-04-28 22:38:31,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:31,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064749522] [2021-04-28 22:38:31,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:31,135 INFO L142 QuantifierPusher]: treesize reduction 31, result has 55.7 percent of original size [2021-04-28 22:38:31,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 22:38:31,215 INFO L142 QuantifierPusher]: treesize reduction 31, result has 57.5 percent of original size [2021-04-28 22:38:31,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 22:38:31,311 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 22:38:31,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 22:38:31,391 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-04-28 22:38:31,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-28 22:38:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:31,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064749522] [2021-04-28 22:38:31,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:31,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:38:31,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343457078] [2021-04-28 22:38:31,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:38:31,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:31,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:38:31,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:38:31,481 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 318 [2021-04-28 22:38:31,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 51 transitions, 225 flow. Second operand has 6 states, 6 states have (on average 169.83333333333334) internal successors, (1019), 6 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:31,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:31,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 318 [2021-04-28 22:38:31,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:31,709 INFO L129 PetriNetUnfolder]: 57/185 cut-off events. [2021-04-28 22:38:31,709 INFO L130 PetriNetUnfolder]: For 341/353 co-relation queries the response was YES. [2021-04-28 22:38:31,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 584 conditions, 185 events. 57/185 cut-off events. For 341/353 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 960 event pairs, 5 based on Foata normal form. 10/147 useless extension candidates. Maximal degree in co-relation 564. Up to 76 conditions per place. [2021-04-28 22:38:31,712 INFO L132 encePairwiseOnDemand]: 312/318 looper letters, 10 selfloop transitions, 12 changer transitions 0/55 dead transitions. [2021-04-28 22:38:31,712 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 55 transitions, 289 flow [2021-04-28 22:38:31,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:38:31,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:38:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 861 transitions. [2021-04-28 22:38:31,719 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5415094339622641 [2021-04-28 22:38:31,719 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 861 transitions. [2021-04-28 22:38:31,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 861 transitions. [2021-04-28 22:38:31,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:31,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 861 transitions. [2021-04-28 22:38:31,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.2) internal successors, (861), 5 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:31,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:31,727 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:31,727 INFO L185 Difference]: Start difference. First operand has 63 places, 51 transitions, 225 flow. Second operand 5 states and 861 transitions. [2021-04-28 22:38:31,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 55 transitions, 289 flow [2021-04-28 22:38:31,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 55 transitions, 268 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-04-28 22:38:31,734 INFO L241 Difference]: Finished difference. Result has 65 places, 53 transitions, 252 flow [2021-04-28 22:38:31,734 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=252, PETRI_PLACES=65, PETRI_TRANSITIONS=53} [2021-04-28 22:38:31,734 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -61 predicate places. [2021-04-28 22:38:31,734 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:31,734 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 53 transitions, 252 flow [2021-04-28 22:38:31,735 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 53 transitions, 252 flow [2021-04-28 22:38:31,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 53 transitions, 252 flow [2021-04-28 22:38:31,778 INFO L129 PetriNetUnfolder]: 24/124 cut-off events. [2021-04-28 22:38:31,778 INFO L130 PetriNetUnfolder]: For 226/230 co-relation queries the response was YES. [2021-04-28 22:38:31,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 124 events. 24/124 cut-off events. For 226/230 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 608 event pairs, 8 based on Foata normal form. 3/82 useless extension candidates. Maximal degree in co-relation 319. Up to 28 conditions per place. [2021-04-28 22:38:31,781 INFO L146 LiptonReduction]: Number of co-enabled transitions 1212 [2021-04-28 22:38:31,786 INFO L158 LiptonReduction]: Checked pairs total: 262 [2021-04-28 22:38:31,786 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:31,786 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-04-28 22:38:31,787 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 53 transitions, 252 flow [2021-04-28 22:38:31,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 169.83333333333334) internal successors, (1019), 6 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:31,788 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:31,788 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:31,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 22:38:31,788 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:31,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:31,789 INFO L82 PathProgramCache]: Analyzing trace with hash 798852506, now seen corresponding path program 3 times [2021-04-28 22:38:31,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:31,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974218560] [2021-04-28 22:38:31,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:31,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:31,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 22:38:31,880 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-28 22:38:31,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-28 22:38:31,945 INFO L142 QuantifierPusher]: treesize reduction 11, result has 85.9 percent of original size [2021-04-28 22:38:31,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-28 22:38:32,025 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-04-28 22:38:32,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-28 22:38:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:32,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974218560] [2021-04-28 22:38:32,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:32,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:38:32,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755830715] [2021-04-28 22:38:32,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:38:32,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:32,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:38:32,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:38:32,114 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 318 [2021-04-28 22:38:32,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 53 transitions, 252 flow. Second operand has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:32,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:32,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 318 [2021-04-28 22:38:32,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:32,447 INFO L129 PetriNetUnfolder]: 56/204 cut-off events. [2021-04-28 22:38:32,448 INFO L130 PetriNetUnfolder]: For 505/517 co-relation queries the response was YES. [2021-04-28 22:38:32,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 666 conditions, 204 events. 56/204 cut-off events. For 505/517 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1161 event pairs, 1 based on Foata normal form. 13/162 useless extension candidates. Maximal degree in co-relation 645. Up to 63 conditions per place. [2021-04-28 22:38:32,451 INFO L132 encePairwiseOnDemand]: 312/318 looper letters, 11 selfloop transitions, 14 changer transitions 0/58 dead transitions. [2021-04-28 22:38:32,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 58 transitions, 330 flow [2021-04-28 22:38:32,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 22:38:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 22:38:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1090 transitions. [2021-04-28 22:38:32,458 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5712788259958071 [2021-04-28 22:38:32,459 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1090 transitions. [2021-04-28 22:38:32,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1090 transitions. [2021-04-28 22:38:32,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:32,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1090 transitions. [2021-04-28 22:38:32,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 181.66666666666666) internal successors, (1090), 6 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:32,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 318.0) internal successors, (2226), 7 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:32,468 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 318.0) internal successors, (2226), 7 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:32,468 INFO L185 Difference]: Start difference. First operand has 65 places, 53 transitions, 252 flow. Second operand 6 states and 1090 transitions. [2021-04-28 22:38:32,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 58 transitions, 330 flow [2021-04-28 22:38:32,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 58 transitions, 298 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-04-28 22:38:32,474 INFO L241 Difference]: Finished difference. Result has 68 places, 55 transitions, 281 flow [2021-04-28 22:38:32,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=281, PETRI_PLACES=68, PETRI_TRANSITIONS=55} [2021-04-28 22:38:32,474 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -58 predicate places. [2021-04-28 22:38:32,474 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:32,474 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 55 transitions, 281 flow [2021-04-28 22:38:32,475 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 55 transitions, 281 flow [2021-04-28 22:38:32,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 55 transitions, 281 flow [2021-04-28 22:38:32,500 INFO L129 PetriNetUnfolder]: 23/128 cut-off events. [2021-04-28 22:38:32,500 INFO L130 PetriNetUnfolder]: For 261/269 co-relation queries the response was YES. [2021-04-28 22:38:32,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 128 events. 23/128 cut-off events. For 261/269 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 641 event pairs, 6 based on Foata normal form. 7/88 useless extension candidates. Maximal degree in co-relation 341. Up to 30 conditions per place. [2021-04-28 22:38:32,504 INFO L146 LiptonReduction]: Number of co-enabled transitions 1292 [2021-04-28 22:38:32,508 INFO L158 LiptonReduction]: Checked pairs total: 299 [2021-04-28 22:38:32,509 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:32,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-04-28 22:38:32,510 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 55 transitions, 281 flow [2021-04-28 22:38:32,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:32,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:32,511 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:32,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 22:38:32,511 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:32,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:32,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1287049551, now seen corresponding path program 1 times [2021-04-28 22:38:32,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:32,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150570810] [2021-04-28 22:38:32,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:32,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:32,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:38:32,626 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 22:38:32,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 22:38:32,698 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-28 22:38:32,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 22:38:32,787 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.9 percent of original size [2021-04-28 22:38:32,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-28 22:38:32,889 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-04-28 22:38:32,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-28 22:38:32,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:32,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150570810] [2021-04-28 22:38:32,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:32,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:38:32,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097619254] [2021-04-28 22:38:32,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 22:38:32,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:32,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 22:38:32,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-28 22:38:32,987 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 318 [2021-04-28 22:38:32,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 55 transitions, 281 flow. Second operand has 7 states, 7 states have (on average 177.85714285714286) internal successors, (1245), 7 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:32,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:32,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 318 [2021-04-28 22:38:32,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:33,290 INFO L129 PetriNetUnfolder]: 58/222 cut-off events. [2021-04-28 22:38:33,290 INFO L130 PetriNetUnfolder]: For 502/514 co-relation queries the response was YES. [2021-04-28 22:38:33,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 741 conditions, 222 events. 58/222 cut-off events. For 502/514 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1335 event pairs, 3 based on Foata normal form. 10/168 useless extension candidates. Maximal degree in co-relation 719. Up to 86 conditions per place. [2021-04-28 22:38:33,294 INFO L132 encePairwiseOnDemand]: 311/318 looper letters, 15 selfloop transitions, 10 changer transitions 0/58 dead transitions. [2021-04-28 22:38:33,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 58 transitions, 347 flow [2021-04-28 22:38:33,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:38:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:38:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 902 transitions. [2021-04-28 22:38:33,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5672955974842767 [2021-04-28 22:38:33,300 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 902 transitions. [2021-04-28 22:38:33,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 902 transitions. [2021-04-28 22:38:33,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:33,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 902 transitions. [2021-04-28 22:38:33,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 180.4) internal successors, (902), 5 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:33,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:33,307 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:33,308 INFO L185 Difference]: Start difference. First operand has 68 places, 55 transitions, 281 flow. Second operand 5 states and 902 transitions. [2021-04-28 22:38:33,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 58 transitions, 347 flow [2021-04-28 22:38:33,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 58 transitions, 329 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-04-28 22:38:33,312 INFO L241 Difference]: Finished difference. Result has 71 places, 56 transitions, 298 flow [2021-04-28 22:38:33,313 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=298, PETRI_PLACES=71, PETRI_TRANSITIONS=56} [2021-04-28 22:38:33,313 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -55 predicate places. [2021-04-28 22:38:33,313 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:33,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 56 transitions, 298 flow [2021-04-28 22:38:33,313 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 56 transitions, 298 flow [2021-04-28 22:38:33,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 56 transitions, 298 flow [2021-04-28 22:38:33,339 INFO L129 PetriNetUnfolder]: 23/136 cut-off events. [2021-04-28 22:38:33,339 INFO L130 PetriNetUnfolder]: For 300/308 co-relation queries the response was YES. [2021-04-28 22:38:33,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 136 events. 23/136 cut-off events. For 300/308 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 720 event pairs, 6 based on Foata normal form. 7/92 useless extension candidates. Maximal degree in co-relation 361. Up to 32 conditions per place. [2021-04-28 22:38:33,343 INFO L146 LiptonReduction]: Number of co-enabled transitions 1332 [2021-04-28 22:38:33,347 INFO L158 LiptonReduction]: Checked pairs total: 332 [2021-04-28 22:38:33,347 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:33,348 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-04-28 22:38:33,349 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 56 transitions, 298 flow [2021-04-28 22:38:33,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 177.85714285714286) internal successors, (1245), 7 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:33,350 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:33,350 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:33,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 22:38:33,350 INFO L428 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:33,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:33,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1372847631, now seen corresponding path program 2 times [2021-04-28 22:38:33,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:33,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524077587] [2021-04-28 22:38:33,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:33,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:33,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 22:38:33,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:33,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 22:38:33,494 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-28 22:38:33,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-28 22:38:33,599 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-28 22:38:33,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-28 22:38:33,717 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-28 22:38:33,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-28 22:38:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:33,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524077587] [2021-04-28 22:38:33,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:33,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:38:33,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584256027] [2021-04-28 22:38:33,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 22:38:33,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:33,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 22:38:33,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-28 22:38:33,823 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 318 [2021-04-28 22:38:33,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 56 transitions, 298 flow. Second operand has 7 states, 7 states have (on average 165.85714285714286) internal successors, (1161), 7 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:33,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:33,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 318 [2021-04-28 22:38:33,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:34,258 INFO L129 PetriNetUnfolder]: 55/219 cut-off events. [2021-04-28 22:38:34,259 INFO L130 PetriNetUnfolder]: For 564/576 co-relation queries the response was YES. [2021-04-28 22:38:34,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 728 conditions, 219 events. 55/219 cut-off events. For 564/576 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1315 event pairs, 1 based on Foata normal form. 9/165 useless extension candidates. Maximal degree in co-relation 705. Up to 57 conditions per place. [2021-04-28 22:38:34,263 INFO L132 encePairwiseOnDemand]: 312/318 looper letters, 13 selfloop transitions, 15 changer transitions 0/61 dead transitions. [2021-04-28 22:38:34,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 61 transitions, 383 flow [2021-04-28 22:38:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:38:34,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:38:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 842 transitions. [2021-04-28 22:38:34,269 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.529559748427673 [2021-04-28 22:38:34,269 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 842 transitions. [2021-04-28 22:38:34,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 842 transitions. [2021-04-28 22:38:34,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:34,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 842 transitions. [2021-04-28 22:38:34,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 168.4) internal successors, (842), 5 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:34,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:34,276 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:34,276 INFO L185 Difference]: Start difference. First operand has 71 places, 56 transitions, 298 flow. Second operand 5 states and 842 transitions. [2021-04-28 22:38:34,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 61 transitions, 383 flow [2021-04-28 22:38:34,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 61 transitions, 362 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-28 22:38:34,281 INFO L241 Difference]: Finished difference. Result has 74 places, 58 transitions, 341 flow [2021-04-28 22:38:34,281 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=341, PETRI_PLACES=74, PETRI_TRANSITIONS=58} [2021-04-28 22:38:34,281 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -52 predicate places. [2021-04-28 22:38:34,282 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:34,282 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 58 transitions, 341 flow [2021-04-28 22:38:34,282 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 58 transitions, 341 flow [2021-04-28 22:38:34,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 58 transitions, 341 flow [2021-04-28 22:38:34,307 INFO L129 PetriNetUnfolder]: 24/133 cut-off events. [2021-04-28 22:38:34,307 INFO L130 PetriNetUnfolder]: For 426/437 co-relation queries the response was YES. [2021-04-28 22:38:34,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 133 events. 24/133 cut-off events. For 426/437 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 708 event pairs, 5 based on Foata normal form. 8/93 useless extension candidates. Maximal degree in co-relation 395. Up to 31 conditions per place. [2021-04-28 22:38:34,311 INFO L146 LiptonReduction]: Number of co-enabled transitions 1366 [2021-04-28 22:38:34,316 INFO L158 LiptonReduction]: Checked pairs total: 363 [2021-04-28 22:38:34,317 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:34,317 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-04-28 22:38:34,318 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 58 transitions, 341 flow [2021-04-28 22:38:34,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 165.85714285714286) internal successors, (1161), 7 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:34,319 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:34,319 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:34,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 22:38:34,319 INFO L428 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:34,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:34,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1005371449, now seen corresponding path program 1 times [2021-04-28 22:38:34,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:34,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245520015] [2021-04-28 22:38:34,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:34,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:34,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:34,387 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:38:34,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:38:34,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:34,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:38:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:34,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245520015] [2021-04-28 22:38:34,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:34,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:38:34,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098402782] [2021-04-28 22:38:34,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:38:34,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:34,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:38:34,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:38:34,418 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 318 [2021-04-28 22:38:34,420 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 58 transitions, 341 flow. Second operand has 4 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:34,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:34,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 318 [2021-04-28 22:38:34,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:35,437 INFO L129 PetriNetUnfolder]: 3353/5901 cut-off events. [2021-04-28 22:38:35,438 INFO L130 PetriNetUnfolder]: For 3697/4284 co-relation queries the response was YES. [2021-04-28 22:38:35,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13122 conditions, 5901 events. 3353/5901 cut-off events. For 3697/4284 co-relation queries the response was YES. Maximal size of possible extension queue 1614. Compared 53123 event pairs, 1362 based on Foata normal form. 179/1638 useless extension candidates. Maximal degree in co-relation 13097. Up to 3646 conditions per place. [2021-04-28 22:38:35,504 INFO L132 encePairwiseOnDemand]: 301/318 looper letters, 30 selfloop transitions, 27 changer transitions 0/93 dead transitions. [2021-04-28 22:38:35,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 93 transitions, 525 flow [2021-04-28 22:38:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:38:35,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:38:35,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1229 transitions. [2021-04-28 22:38:35,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7729559748427673 [2021-04-28 22:38:35,512 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1229 transitions. [2021-04-28 22:38:35,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1229 transitions. [2021-04-28 22:38:35,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:35,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1229 transitions. [2021-04-28 22:38:35,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 245.8) internal successors, (1229), 5 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:35,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:35,521 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:35,521 INFO L185 Difference]: Start difference. First operand has 74 places, 58 transitions, 341 flow. Second operand 5 states and 1229 transitions. [2021-04-28 22:38:35,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 93 transitions, 525 flow [2021-04-28 22:38:35,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 93 transitions, 497 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-28 22:38:35,532 INFO L241 Difference]: Finished difference. Result has 78 places, 83 transitions, 522 flow [2021-04-28 22:38:35,533 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=522, PETRI_PLACES=78, PETRI_TRANSITIONS=83} [2021-04-28 22:38:35,533 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -48 predicate places. [2021-04-28 22:38:35,533 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:35,533 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 83 transitions, 522 flow [2021-04-28 22:38:35,534 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 83 transitions, 522 flow [2021-04-28 22:38:35,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 83 transitions, 522 flow [2021-04-28 22:38:36,263 INFO L129 PetriNetUnfolder]: 2988/5179 cut-off events. [2021-04-28 22:38:36,263 INFO L130 PetriNetUnfolder]: For 4663/7900 co-relation queries the response was YES. [2021-04-28 22:38:36,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15662 conditions, 5179 events. 2988/5179 cut-off events. For 4663/7900 co-relation queries the response was YES. Maximal size of possible extension queue 1281. Compared 46262 event pairs, 1301 based on Foata normal form. 13/1494 useless extension candidates. Maximal degree in co-relation 15636. Up to 4577 conditions per place. [2021-04-28 22:38:36,370 INFO L146 LiptonReduction]: Number of co-enabled transitions 1888 [2021-04-28 22:38:36,384 INFO L158 LiptonReduction]: Checked pairs total: 406 [2021-04-28 22:38:36,384 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:36,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 852 [2021-04-28 22:38:36,386 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 83 transitions, 522 flow [2021-04-28 22:38:36,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:36,387 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:36,387 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:36,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 22:38:36,387 INFO L428 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:36,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:36,388 INFO L82 PathProgramCache]: Analyzing trace with hash -125270383, now seen corresponding path program 1 times [2021-04-28 22:38:36,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:36,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381145733] [2021-04-28 22:38:36,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:36,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:36,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:36,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:36,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:36,495 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:38:36,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:38:36,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:36,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:38:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:36,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381145733] [2021-04-28 22:38:36,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:36,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:38:36,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417643232] [2021-04-28 22:38:36,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:38:36,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:36,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:38:36,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:38:36,531 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 318 [2021-04-28 22:38:36,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 83 transitions, 522 flow. Second operand has 5 states, 5 states have (on average 235.8) internal successors, (1179), 5 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:36,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:36,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 318 [2021-04-28 22:38:36,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:37,916 INFO L129 PetriNetUnfolder]: 2864/5838 cut-off events. [2021-04-28 22:38:37,916 INFO L130 PetriNetUnfolder]: For 7166/147221 co-relation queries the response was YES. [2021-04-28 22:38:37,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22565 conditions, 5838 events. 2864/5838 cut-off events. For 7166/147221 co-relation queries the response was YES. Maximal size of possible extension queue 1773. Compared 58136 event pairs, 225 based on Foata normal form. 250/1862 useless extension candidates. Maximal degree in co-relation 22537. Up to 5012 conditions per place. [2021-04-28 22:38:37,986 INFO L132 encePairwiseOnDemand]: 301/318 looper letters, 21 selfloop transitions, 52 changer transitions 9/114 dead transitions. [2021-04-28 22:38:37,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 114 transitions, 831 flow [2021-04-28 22:38:37,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 22:38:37,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 22:38:37,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1723 transitions. [2021-04-28 22:38:37,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7740341419586703 [2021-04-28 22:38:37,994 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1723 transitions. [2021-04-28 22:38:37,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1723 transitions. [2021-04-28 22:38:37,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:37,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1723 transitions. [2021-04-28 22:38:38,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 246.14285714285714) internal successors, (1723), 7 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:38,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 318.0) internal successors, (2544), 8 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:38,006 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 318.0) internal successors, (2544), 8 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:38,006 INFO L185 Difference]: Start difference. First operand has 78 places, 83 transitions, 522 flow. Second operand 7 states and 1723 transitions. [2021-04-28 22:38:38,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 114 transitions, 831 flow [2021-04-28 22:38:38,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 114 transitions, 820 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-28 22:38:38,073 INFO L241 Difference]: Finished difference. Result has 84 places, 103 transitions, 802 flow [2021-04-28 22:38:38,074 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=802, PETRI_PLACES=84, PETRI_TRANSITIONS=103} [2021-04-28 22:38:38,074 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -42 predicate places. [2021-04-28 22:38:38,074 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:38,074 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 103 transitions, 802 flow [2021-04-28 22:38:38,075 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 103 transitions, 802 flow [2021-04-28 22:38:38,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 103 transitions, 802 flow [2021-04-28 22:38:38,754 INFO L129 PetriNetUnfolder]: 1895/4239 cut-off events. [2021-04-28 22:38:38,755 INFO L130 PetriNetUnfolder]: For 8969/19778 co-relation queries the response was YES. [2021-04-28 22:38:38,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18589 conditions, 4239 events. 1895/4239 cut-off events. For 8969/19778 co-relation queries the response was YES. Maximal size of possible extension queue 1198. Compared 45674 event pairs, 218 based on Foata normal form. 5/1218 useless extension candidates. Maximal degree in co-relation 18559. Up to 3668 conditions per place. [2021-04-28 22:38:38,852 INFO L146 LiptonReduction]: Number of co-enabled transitions 2204 [2021-04-28 22:38:38,868 INFO L158 LiptonReduction]: Checked pairs total: 441 [2021-04-28 22:38:38,868 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:38,868 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 794 [2021-04-28 22:38:38,870 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 103 transitions, 802 flow [2021-04-28 22:38:38,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 235.8) internal successors, (1179), 5 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:38,871 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:38,871 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:38,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 22:38:38,871 INFO L428 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:38,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:38,872 INFO L82 PathProgramCache]: Analyzing trace with hash 63684534, now seen corresponding path program 1 times [2021-04-28 22:38:38,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:38,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409639495] [2021-04-28 22:38:38,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:38,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:38,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:38:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:38,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:38,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409639495] [2021-04-28 22:38:38,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:38,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:38:38,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808806519] [2021-04-28 22:38:38,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:38:38,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:38,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:38:38,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:38:38,935 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 318 [2021-04-28 22:38:38,935 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 103 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:38,935 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:38,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 318 [2021-04-28 22:38:38,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:40,247 INFO L129 PetriNetUnfolder]: 3379/7431 cut-off events. [2021-04-28 22:38:40,248 INFO L130 PetriNetUnfolder]: For 20605/99319 co-relation queries the response was YES. [2021-04-28 22:38:40,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32608 conditions, 7431 events. 3379/7431 cut-off events. For 20605/99319 co-relation queries the response was YES. Maximal size of possible extension queue 2289. Compared 81594 event pairs, 432 based on Foata normal form. 91/2082 useless extension candidates. Maximal degree in co-relation 32576. Up to 6554 conditions per place. [2021-04-28 22:38:40,354 INFO L132 encePairwiseOnDemand]: 315/318 looper letters, 3 selfloop transitions, 3 changer transitions 0/103 dead transitions. [2021-04-28 22:38:40,354 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 103 transitions, 814 flow [2021-04-28 22:38:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:38:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:38:40,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2021-04-28 22:38:40,361 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7012578616352201 [2021-04-28 22:38:40,361 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 669 transitions. [2021-04-28 22:38:40,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 669 transitions. [2021-04-28 22:38:40,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:40,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 669 transitions. [2021-04-28 22:38:40,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:40,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:40,366 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:40,366 INFO L185 Difference]: Start difference. First operand has 84 places, 103 transitions, 802 flow. Second operand 3 states and 669 transitions. [2021-04-28 22:38:40,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 103 transitions, 814 flow [2021-04-28 22:38:41,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 103 transitions, 685 flow, removed 42 selfloop flow, removed 3 redundant places. [2021-04-28 22:38:41,760 INFO L241 Difference]: Finished difference. Result has 84 places, 103 transitions, 684 flow [2021-04-28 22:38:41,760 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=84, PETRI_TRANSITIONS=103} [2021-04-28 22:38:41,760 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -42 predicate places. [2021-04-28 22:38:41,761 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:41,761 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 103 transitions, 684 flow [2021-04-28 22:38:41,761 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 103 transitions, 684 flow [2021-04-28 22:38:41,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 103 transitions, 684 flow [2021-04-28 22:38:42,755 INFO L129 PetriNetUnfolder]: 3397/7467 cut-off events. [2021-04-28 22:38:42,756 INFO L130 PetriNetUnfolder]: For 7726/8486 co-relation queries the response was YES. [2021-04-28 22:38:42,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25243 conditions, 7467 events. 3397/7467 cut-off events. For 7726/8486 co-relation queries the response was YES. Maximal size of possible extension queue 2181. Compared 84696 event pairs, 387 based on Foata normal form. 8/2079 useless extension candidates. Maximal degree in co-relation 25213. Up to 3475 conditions per place. [2021-04-28 22:38:42,906 INFO L146 LiptonReduction]: Number of co-enabled transitions 2202 [2021-04-28 22:38:42,921 INFO L158 LiptonReduction]: Checked pairs total: 441 [2021-04-28 22:38:42,921 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:42,921 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1160 [2021-04-28 22:38:42,922 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 103 transitions, 684 flow [2021-04-28 22:38:42,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:42,923 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:42,923 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:42,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 22:38:42,923 INFO L428 AbstractCegarLoop]: === Iteration 15 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:42,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:42,924 INFO L82 PathProgramCache]: Analyzing trace with hash 160937961, now seen corresponding path program 1 times [2021-04-28 22:38:42,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:42,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145362240] [2021-04-28 22:38:42,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:43,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:43,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:38:43,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:43,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:43,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:43,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:43,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145362240] [2021-04-28 22:38:43,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:43,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:38:43,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783375067] [2021-04-28 22:38:43,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:38:43,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:43,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:38:43,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:38:43,044 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 318 [2021-04-28 22:38:43,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 103 transitions, 684 flow. Second operand has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:43,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:43,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 318 [2021-04-28 22:38:43,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:44,975 INFO L129 PetriNetUnfolder]: 6476/13893 cut-off events. [2021-04-28 22:38:44,975 INFO L130 PetriNetUnfolder]: For 17882/20647 co-relation queries the response was YES. [2021-04-28 22:38:45,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47024 conditions, 13893 events. 6476/13893 cut-off events. For 17882/20647 co-relation queries the response was YES. Maximal size of possible extension queue 3789. Compared 167675 event pairs, 873 based on Foata normal form. 99/3829 useless extension candidates. Maximal degree in co-relation 46992. Up to 6445 conditions per place. [2021-04-28 22:38:45,096 INFO L132 encePairwiseOnDemand]: 315/318 looper letters, 4 selfloop transitions, 2 changer transitions 2/105 dead transitions. [2021-04-28 22:38:45,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 105 transitions, 716 flow [2021-04-28 22:38:45,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:38:45,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:38:45,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 871 transitions. [2021-04-28 22:38:45,102 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.684748427672956 [2021-04-28 22:38:45,102 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 871 transitions. [2021-04-28 22:38:45,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 871 transitions. [2021-04-28 22:38:45,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:45,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 871 transitions. [2021-04-28 22:38:45,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 217.75) internal successors, (871), 4 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:45,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:45,108 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 318.0) internal successors, (1590), 5 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:45,108 INFO L185 Difference]: Start difference. First operand has 84 places, 103 transitions, 684 flow. Second operand 4 states and 871 transitions. [2021-04-28 22:38:45,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 105 transitions, 716 flow [2021-04-28 22:38:47,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 105 transitions, 711 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 22:38:47,203 INFO L241 Difference]: Finished difference. Result has 88 places, 102 transitions, 668 flow [2021-04-28 22:38:47,203 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=668, PETRI_PLACES=88, PETRI_TRANSITIONS=102} [2021-04-28 22:38:47,203 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -38 predicate places. [2021-04-28 22:38:47,203 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:47,203 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 102 transitions, 668 flow [2021-04-28 22:38:47,204 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 102 transitions, 668 flow [2021-04-28 22:38:47,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 102 transitions, 668 flow [2021-04-28 22:38:48,895 INFO L129 PetriNetUnfolder]: 6430/13820 cut-off events. [2021-04-28 22:38:48,895 INFO L130 PetriNetUnfolder]: For 13065/14443 co-relation queries the response was YES. [2021-04-28 22:38:48,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46529 conditions, 13820 events. 6430/13820 cut-off events. For 13065/14443 co-relation queries the response was YES. Maximal size of possible extension queue 3995. Compared 169141 event pairs, 874 based on Foata normal form. 9/3653 useless extension candidates. Maximal degree in co-relation 46497. Up to 6427 conditions per place. [2021-04-28 22:38:49,179 INFO L146 LiptonReduction]: Number of co-enabled transitions 2252 [2021-04-28 22:38:49,205 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 22:38:49,205 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:38:49,205 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2002 [2021-04-28 22:38:49,211 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 102 transitions, 668 flow [2021-04-28 22:38:49,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:49,211 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:49,211 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:38:49,212 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-28 22:38:49,212 INFO L428 AbstractCegarLoop]: === Iteration 16 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:49,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:49,212 INFO L82 PathProgramCache]: Analyzing trace with hash -128781856, now seen corresponding path program 1 times [2021-04-28 22:38:49,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:49,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984026862] [2021-04-28 22:38:49,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:38:49,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:49,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:49,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:49,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:49,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:49,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:38:49,389 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:38:49,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:38:49,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:38:49,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:38:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:38:49,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984026862] [2021-04-28 22:38:49,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:38:49,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:38:49,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199177183] [2021-04-28 22:38:49,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:38:49,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:38:49,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:38:49,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:38:49,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 318 [2021-04-28 22:38:49,427 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 102 transitions, 668 flow. Second operand has 6 states, 6 states have (on average 235.83333333333334) internal successors, (1415), 6 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:49,427 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:38:49,427 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 318 [2021-04-28 22:38:49,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:38:51,711 INFO L129 PetriNetUnfolder]: 5969/13851 cut-off events. [2021-04-28 22:38:51,711 INFO L130 PetriNetUnfolder]: For 15889/91422 co-relation queries the response was YES. [2021-04-28 22:38:51,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58204 conditions, 13851 events. 5969/13851 cut-off events. For 15889/91422 co-relation queries the response was YES. Maximal size of possible extension queue 3882. Compared 175330 event pairs, 0 based on Foata normal form. 564/4308 useless extension candidates. Maximal degree in co-relation 58170. Up to 7722 conditions per place. [2021-04-28 22:38:51,823 INFO L132 encePairwiseOnDemand]: 301/318 looper letters, 5 selfloop transitions, 67 changer transitions 26/121 dead transitions. [2021-04-28 22:38:51,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 121 transitions, 967 flow [2021-04-28 22:38:51,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 22:38:51,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 22:38:51,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2199 transitions. [2021-04-28 22:38:51,833 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7683438155136268 [2021-04-28 22:38:51,833 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2199 transitions. [2021-04-28 22:38:51,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2199 transitions. [2021-04-28 22:38:51,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:38:51,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2199 transitions. [2021-04-28 22:38:51,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 244.33333333333334) internal successors, (2199), 9 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:51,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 318.0) internal successors, (3180), 10 states have internal predecessors, (3180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:51,846 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 318.0) internal successors, (3180), 10 states have internal predecessors, (3180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:51,847 INFO L185 Difference]: Start difference. First operand has 88 places, 102 transitions, 668 flow. Second operand 9 states and 2199 transitions. [2021-04-28 22:38:51,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 121 transitions, 967 flow [2021-04-28 22:38:54,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 121 transitions, 930 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-04-28 22:38:54,266 INFO L241 Difference]: Finished difference. Result has 93 places, 93 transitions, 749 flow [2021-04-28 22:38:54,267 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=749, PETRI_PLACES=93, PETRI_TRANSITIONS=93} [2021-04-28 22:38:54,267 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -33 predicate places. [2021-04-28 22:38:54,267 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:54,267 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 93 transitions, 749 flow [2021-04-28 22:38:54,268 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 93 transitions, 749 flow [2021-04-28 22:38:54,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 93 transitions, 749 flow [2021-04-28 22:38:54,728 INFO L129 PetriNetUnfolder]: 1768/4662 cut-off events. [2021-04-28 22:38:54,729 INFO L130 PetriNetUnfolder]: For 30915/44898 co-relation queries the response was YES. [2021-04-28 22:38:54,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20186 conditions, 4662 events. 1768/4662 cut-off events. For 30915/44898 co-relation queries the response was YES. Maximal size of possible extension queue 1819. Compared 56050 event pairs, 0 based on Foata normal form. 1/1129 useless extension candidates. Maximal degree in co-relation 20157. Up to 3564 conditions per place. [2021-04-28 22:38:54,788 INFO L146 LiptonReduction]: Number of co-enabled transitions 1410 [2021-04-28 22:38:55,981 INFO L158 LiptonReduction]: Checked pairs total: 122 [2021-04-28 22:38:55,982 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 22:38:55,982 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1715 [2021-04-28 22:38:55,983 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 93 transitions, 753 flow [2021-04-28 22:38:55,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 235.83333333333334) internal successors, (1415), 6 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:38:55,984 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:38:55,984 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] [2021-04-28 22:38:55,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-28 22:38:55,984 INFO L428 AbstractCegarLoop]: === Iteration 17 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:38:55,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:38:55,985 INFO L82 PathProgramCache]: Analyzing trace with hash -708660022, now seen corresponding path program 1 times [2021-04-28 22:38:55,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:38:55,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863019185] [2021-04-28 22:38:55,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:38:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 22:38:56,048 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 22:38:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 22:38:56,125 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 22:38:56,184 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 22:38:56,185 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 22:38:56,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-28 22:38:56,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 10:38:56 BasicIcfg [2021-04-28 22:38:56,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 22:38:56,324 INFO L168 Benchmark]: Toolchain (without parser) took 160438.70 ms. Allocated memory was 302.0 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 276.0 MB in the beginning and 1.2 GB in the end (delta: -938.3 MB). Peak memory consumption was 553.9 MB. Max. memory is 16.0 GB. [2021-04-28 22:38:56,324 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 22:38:56,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.44 ms. Allocated memory is still 302.0 MB. Free memory was 272.7 MB in the beginning and 265.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-04-28 22:38:56,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.46 ms. Allocated memory is still 302.0 MB. Free memory was 265.7 MB in the beginning and 263.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 22:38:56,325 INFO L168 Benchmark]: Boogie Preprocessor took 81.55 ms. Allocated memory is still 302.0 MB. Free memory was 263.0 MB in the beginning and 260.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 22:38:56,326 INFO L168 Benchmark]: RCFGBuilder took 2487.51 ms. Allocated memory was 302.0 MB in the beginning and 371.2 MB in the end (delta: 69.2 MB). Free memory was 260.6 MB in the beginning and 228.8 MB in the end (delta: 31.8 MB). Peak memory consumption was 102.7 MB. Max. memory is 16.0 GB. [2021-04-28 22:38:56,326 INFO L168 Benchmark]: TraceAbstraction took 156822.49 ms. Allocated memory was 371.2 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 228.8 MB in the beginning and 1.2 GB in the end (delta: -985.4 MB). Peak memory consumption was 436.5 MB. Max. memory is 16.0 GB. [2021-04-28 22:38:56,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 852.44 ms. Allocated memory is still 302.0 MB. Free memory was 272.7 MB in the beginning and 265.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 129.46 ms. Allocated memory is still 302.0 MB. Free memory was 265.7 MB in the beginning and 263.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 81.55 ms. Allocated memory is still 302.0 MB. Free memory was 263.0 MB in the beginning and 260.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2487.51 ms. Allocated memory was 302.0 MB in the beginning and 371.2 MB in the end (delta: 69.2 MB). Free memory was 260.6 MB in the beginning and 228.8 MB in the end (delta: 31.8 MB). Peak memory consumption was 102.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 156822.49 ms. Allocated memory was 371.2 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 228.8 MB in the beginning and 1.2 GB in the end (delta: -985.4 MB). Peak memory consumption was 436.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 126589.7ms, 101 PlacesBefore, 126 PlacesAfterwards, 93 TransitionsBefore, 118 TransitionsAfterwards, 1578 CoEnabledTransitionPairs, 9 FixpointIterations, 144 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 222 TotalNumberOfCompositions, 15074 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3988, positive: 3721, positive conditional: 3721, positive unconditional: 0, negative: 267, negative conditional: 267, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1811, positive: 1763, positive conditional: 0, positive unconditional: 1763, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1811, positive: 1763, positive conditional: 0, positive unconditional: 1763, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1811, positive: 1736, positive conditional: 0, positive unconditional: 1736, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1243, positive: 127, positive conditional: 0, positive unconditional: 127, negative: 1116, negative conditional: 0, negative unconditional: 1116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3988, positive: 1958, positive conditional: 1958, positive unconditional: 0, negative: 219, negative conditional: 219, negative unconditional: 0, unknown: 1811, unknown conditional: 1811, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1811, Positive cache size: 1763, Positive conditional cache size: 1763, Positive unconditional cache size: 0, Negative cache size: 48, Negative conditional cache size: 48, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 240.2ms, 122 PlacesBefore, 47 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 790 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 141, positive: 111, positive conditional: 111, 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: 34, positive: 22, positive conditional: 2, positive unconditional: 20, 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: 34, positive: 22, positive conditional: 2, positive unconditional: 20, 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: 34, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 225, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 207, negative conditional: 0, negative unconditional: 207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 141, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1845, Positive cache size: 1785, Positive conditional cache size: 1785, Positive unconditional cache size: 0, Negative cache size: 60, Negative conditional cache size: 60, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 329.9ms, 48 PlacesBefore, 48 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 612 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 62, positive: 39, positive conditional: 39, 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: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 316, negative conditional: 0, negative unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1854, Positive cache size: 1788, Positive conditional cache size: 1788, Positive unconditional cache size: 0, Negative cache size: 66, Negative conditional cache size: 66, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.0ms, 50 PlacesBefore, 50 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 958 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 514 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 46, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 46, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1864, Positive cache size: 1794, Positive conditional cache size: 1794, Positive unconditional cache size: 0, Negative cache size: 70, Negative conditional cache size: 70, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.4ms, 53 PlacesBefore, 53 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 1022 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 362 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1867, Positive cache size: 1797, Positive conditional cache size: 1797, Positive unconditional cache size: 0, Negative cache size: 70, Negative conditional cache size: 70, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.0ms, 56 PlacesBefore, 56 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 1086 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 237 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 10, positive conditional: 2, positive unconditional: 8, 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: 12, positive: 10, positive conditional: 2, positive unconditional: 8, 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: 12, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 152, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 152, negative conditional: 0, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1879, Positive cache size: 1807, Positive conditional cache size: 1807, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.8ms, 59 PlacesBefore, 59 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1118 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 188 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1881, Positive cache size: 1809, Positive conditional cache size: 1809, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.4ms, 63 PlacesBefore, 63 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 226 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1883, Positive cache size: 1811, Positive conditional cache size: 1811, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.2ms, 65 PlacesBefore, 65 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 1212 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 262 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 7, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 7, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1891, Positive cache size: 1819, Positive conditional cache size: 1819, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.0ms, 68 PlacesBefore, 68 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 1292 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 299 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 41, positive: 32, positive conditional: 32, 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: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 41, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1893, Positive cache size: 1821, Positive conditional cache size: 1821, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.0ms, 71 PlacesBefore, 71 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 1332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 332 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1895, Positive cache size: 1823, Positive conditional cache size: 1823, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.7ms, 74 PlacesBefore, 74 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 1366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 363 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1829, Positive conditional cache size: 1829, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 850.8ms, 78 PlacesBefore, 78 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 1888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 406 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 76, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 27, positive conditional: 16, positive unconditional: 11, 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: 27, positive: 27, positive conditional: 16, positive unconditional: 11, 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: 27, positive: 27, positive conditional: 0, positive unconditional: 27, 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: 76, positive: 41, positive conditional: 41, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1928, Positive cache size: 1856, Positive conditional cache size: 1856, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 793.8ms, 84 PlacesBefore, 84 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 2204 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 441 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 84, positive: 77, positive conditional: 77, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 19, positive unconditional: 3, 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: 22, positive: 22, positive conditional: 19, positive unconditional: 3, 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: 22, positive: 22, positive conditional: 0, positive unconditional: 22, 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: 84, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1950, Positive cache size: 1878, Positive conditional cache size: 1878, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1160.0ms, 84 PlacesBefore, 84 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 2202 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 441 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 104, positive: 97, positive conditional: 97, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 21, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 21, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 0, positive unconditional: 22, 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: 104, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1972, Positive cache size: 1900, Positive conditional cache size: 1900, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2001.2ms, 88 PlacesBefore, 88 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 2252 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): 1972, Positive cache size: 1900, Positive conditional cache size: 1900, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1713.8ms, 93 PlacesBefore, 85 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 1410 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 122 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 122, positive: 122, positive conditional: 122, 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: 55, positive: 55, positive conditional: 46, 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: 55, positive: 55, positive conditional: 46, 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: 55, positive: 55, positive conditional: 0, positive unconditional: 55, 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: 122, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 55, unknown conditional: 55, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2027, Positive cache size: 1955, Positive conditional cache size: 1955, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, 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; [L735] 0 int z = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L813] 0 pthread_t t1504; [L814] FCALL, FORK 0 pthread_create(&t1504, ((void *)0), P0, ((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=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, z=0] [L815] 0 pthread_t t1505; [L816] FCALL, FORK 0 pthread_create(&t1505, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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, z=0] [L817] 0 pthread_t t1506; [L818] FCALL, FORK 0 pthread_create(&t1506, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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, z=0] [L776] 3 y$w_buff1 = y$w_buff0 [L777] 3 y$w_buff0 = 2 [L778] 3 y$w_buff1_used = y$w_buff0_used [L779] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L781] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L782] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L783] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L784] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L785] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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=1, 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, z=0] [L788] 3 __unbuffered_p2_EAX = z 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=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=1, 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, z=0] [L741] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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=1, 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, z=1] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, 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=1, 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, z=1] [L756] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, 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=1, 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, z=1] [L759] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, 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=1, 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, z=1] [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 [L762] 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) [L762] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L762] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L763] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L763] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L764] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L765] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L765] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L766] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, 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=1, 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, z=1] [L769] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, 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=1, 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, z=1] [L798] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 3 return 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$w_buff0)) [L836] EXPR 0 !y$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] 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$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L837] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L837] EXPR 0 weak$$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] EXPR 0 !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] 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$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L839] EXPR 0 weak$$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] EXPR 0 !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] 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$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L841] EXPR 0 weak$$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$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0) [L843] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L843] 0 y = y$flush_delayed ? y$mem_tmp : y [L844] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, 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, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 95 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 17.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 156495.5ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 17586.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 126708.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 80 SDtfs, 65 SDslu, 25 SDs, 0 SdLazy, 581 SolverSat, 199 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1586.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2897.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=802occurred in iteration=13, InterpolantAutomatonStates: 75, 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: 56.5ms SsaConstructionTime, 603.5ms SatisfiabilityAnalysisTime, 3440.7ms InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 1833 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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...