/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe011_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 23:46:07,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 23:46:07,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 23:46:07,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 23:46:07,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 23:46:07,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 23:46:07,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 23:46:07,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 23:46:07,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 23:46:07,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 23:46:07,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 23:46:07,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 23:46:07,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 23:46:07,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 23:46:07,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 23:46:07,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 23:46:07,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 23:46:07,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 23:46:07,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 23:46:07,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 23:46:07,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 23:46:07,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 23:46:07,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 23:46:07,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 23:46:07,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 23:46:07,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 23:46:07,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 23:46:07,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 23:46:07,495 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 23:46:07,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 23:46:07,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 23:46:07,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 23:46:07,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 23:46:07,563 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 23:46:07,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 23:46:07,564 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 23:46:07,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 23:46:07,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 23:46:07,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 23:46:07,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 23:46:07,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 23:46:07,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 23:46:07,567 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 23:46:07,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 23:46:07,567 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 23:46:07,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 23:46:07,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 23:46:07,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 23:46:07,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 23:46:07,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 23:46:07,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:46:07,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 23:46:07,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 23:46:07,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 23:46:07,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 23:46:07,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 23:46:07,570 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 23:46:07,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 23:46:07,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 23:46:07,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 23:46:07,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 23:46:08,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 23:46:08,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 23:46:08,007 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 23:46:08,008 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 23:46:08,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_rmo.oepc.i [2021-04-28 23:46:08,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9c6254c5/ad31b3cd15b4425391c59760e0f79c80/FLAGf458a7f29 [2021-04-28 23:46:08,932 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 23:46:08,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_rmo.oepc.i [2021-04-28 23:46:08,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9c6254c5/ad31b3cd15b4425391c59760e0f79c80/FLAGf458a7f29 [2021-04-28 23:46:09,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9c6254c5/ad31b3cd15b4425391c59760e0f79c80 [2021-04-28 23:46:09,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 23:46:09,272 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 23:46:09,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 23:46:09,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 23:46:09,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 23:46:09,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:46:09" (1/1) ... [2021-04-28 23:46:09,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b5e30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:09, skipping insertion in model container [2021-04-28 23:46:09,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:46:09" (1/1) ... [2021-04-28 23:46:09,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 23:46:09,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 23:46:09,525 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_rmo.oepc.i[950,963] [2021-04-28 23:46:09,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:46:09,852 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 23:46:09,874 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_rmo.oepc.i[950,963] [2021-04-28 23:46:09,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:46:10,072 INFO L208 MainTranslator]: Completed translation [2021-04-28 23:46:10,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:10 WrapperNode [2021-04-28 23:46:10,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 23:46:10,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 23:46:10,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 23:46:10,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 23:46:10,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:10" (1/1) ... [2021-04-28 23:46:10,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:10" (1/1) ... [2021-04-28 23:46:10,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 23:46:10,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 23:46:10,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 23:46:10,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 23:46:10,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:10" (1/1) ... [2021-04-28 23:46:10,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:10" (1/1) ... [2021-04-28 23:46:10,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:10" (1/1) ... [2021-04-28 23:46:10,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:10" (1/1) ... [2021-04-28 23:46:10,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:10" (1/1) ... [2021-04-28 23:46:10,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:10" (1/1) ... [2021-04-28 23:46:10,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:10" (1/1) ... [2021-04-28 23:46:10,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 23:46:10,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 23:46:10,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 23:46:10,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 23:46:10,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:10" (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 23:46:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 23:46:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 23:46:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 23:46:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 23:46:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 23:46:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 23:46:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 23:46:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 23:46:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 23:46:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 23:46:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 23:46:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 23:46:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 23:46:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 23:46:10,326 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 23:46:12,587 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 23:46:12,587 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 23:46:12,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:46:12 BoogieIcfgContainer [2021-04-28 23:46:12,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 23:46:12,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 23:46:12,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 23:46:12,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 23:46:12,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 11:46:09" (1/3) ... [2021-04-28 23:46:12,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f5cc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:46:12, skipping insertion in model container [2021-04-28 23:46:12,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:46:10" (2/3) ... [2021-04-28 23:46:12,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f5cc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:46:12, skipping insertion in model container [2021-04-28 23:46:12,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:46:12" (3/3) ... [2021-04-28 23:46:12,599 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_rmo.oepc.i [2021-04-28 23:46:12,607 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 23:46:12,612 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 23:46:12,613 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 23:46:12,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,656 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,657 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,657 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,657 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,657 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,658 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,658 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,658 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,658 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,659 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,659 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,659 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,659 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,666 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,667 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,668 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,668 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,668 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,673 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,673 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,675 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,675 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,684 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,684 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,689 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,695 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,702 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,704 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,705 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:46:12,708 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 23:46:12,732 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 23:46:12,760 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 23:46:12,760 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 23:46:12,760 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 23:46:12,760 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 23:46:12,760 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 23:46:12,760 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 23:46:12,761 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 23:46:12,761 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 23:46:12,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-04-28 23:46:12,823 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-28 23:46:12,823 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:46:12,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-28 23:46:12,829 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-04-28 23:46:12,835 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-04-28 23:46:12,837 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:46:12,856 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-28 23:46:12,860 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-28 23:46:12,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-04-28 23:46:12,896 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-28 23:46:12,896 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:46:12,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-28 23:46:12,904 INFO L146 LiptonReduction]: Number of co-enabled transitions 1694 [2021-04-28 23:46:16,205 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-28 23:46:16,643 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-28 23:46:18,732 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:46:19,724 WARN L205 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:46:20,172 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:46:20,275 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:46:20,763 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 23:46:20,949 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:46:23,352 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 23:46:23,850 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 23:46:26,138 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:46:27,177 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:46:28,375 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 23:46:28,917 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 23:46:31,424 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 23:46:32,499 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 23:46:33,807 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 23:46:34,383 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:46:37,122 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 23:46:38,389 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 23:46:41,235 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 23:46:41,915 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:46:45,030 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 23:46:46,474 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:46:48,120 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 23:46:48,858 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 23:46:52,249 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:46:53,761 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:46:55,640 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 23:46:56,475 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:47:00,245 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 23:47:02,035 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:47:04,089 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:47:04,996 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:47:09,089 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 23:47:11,005 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 23:47:12,376 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:47:12,676 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:47:12,787 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:16,160 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 229 DAG size of output: 188 [2021-04-28 23:47:17,203 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:47:22,070 WARN L205 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 23:47:24,282 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:47:26,976 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 23:47:28,042 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 23:47:33,046 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:47:35,430 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:47:39,449 WARN L205 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-28 23:47:40,666 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 183 [2021-04-28 23:47:45,995 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:47:48,473 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:47:51,447 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:51,601 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:51,784 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:51,972 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:52,160 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:47:52,318 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:47:52,481 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:47:52,639 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:47:52,793 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:52,959 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:53,092 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:53,243 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:53,393 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:53,520 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:53,665 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:53,796 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:53,939 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:54,085 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:54,226 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:54,381 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:54,564 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:47:54,752 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:47:54,954 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:47:55,134 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:47:55,288 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:55,423 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:55,574 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:55,719 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:55,862 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:47:56,021 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:47:56,176 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:47:56,341 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:47:56,517 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:47:56,694 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:47:56,882 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:47:57,077 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:47:58,819 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:47:58,964 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:47:59,110 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:47:59,259 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:47:59,678 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 23:47:59,813 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 23:47:59,949 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 23:48:00,082 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 23:48:02,258 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:48:02,474 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:48:02,665 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:48:02,867 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:48:03,098 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:48:03,353 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:48:03,586 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:48:03,852 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:48:04,101 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:48:04,343 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:48:04,593 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:48:04,849 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:48:05,029 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:05,233 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:05,437 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:05,646 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:05,899 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:48:06,130 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:48:06,350 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:48:06,555 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:48:06,858 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:48:07,105 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:48:07,333 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:48:07,561 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:48:07,783 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:48:08,002 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:48:08,199 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:48:08,375 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:48:08,605 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:48:08,841 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:48:09,058 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:48:09,278 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:48:09,478 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:48:09,682 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:48:09,889 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:48:10,088 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:48:10,295 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:48:10,475 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:48:10,656 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:48:10,827 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:48:11,075 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:48:11,196 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:48:11,302 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:48:11,600 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:48:12,101 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:48:12,219 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:48:12,335 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:48:12,437 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:48:12,736 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:48:12,850 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:48:12,962 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:48:13,073 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:48:13,187 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:48:13,297 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:48:13,747 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 23:48:13,851 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 23:48:14,054 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:48:14,230 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:48:14,390 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:48:14,547 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:48:14,658 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:48:14,784 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:48:14,905 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:48:15,018 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:48:15,188 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:48:15,352 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:48:15,525 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:48:15,712 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:48:16,208 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:16,363 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:16,531 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:16,703 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:16,900 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:48:17,087 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:48:17,256 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:48:17,424 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:48:17,630 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:48:17,834 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:48:18,037 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:48:18,236 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:48:18,489 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:48:18,734 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:48:18,972 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:48:19,212 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:48:19,431 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:48:19,662 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:48:19,890 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:48:20,160 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:48:21,055 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 23:48:21,446 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 23:48:22,219 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 23:48:22,599 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 23:48:22,906 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:23,212 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:23,500 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:23,793 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:24,083 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:24,381 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:24,656 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:24,942 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:25,293 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:48:25,608 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:48:25,852 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:48:26,098 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:48:26,370 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:48:26,653 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:48:26,924 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:48:27,209 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:48:27,489 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:48:27,765 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:48:28,047 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:48:28,337 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:48:28,502 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:28,658 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:28,792 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:28,935 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:48:29,188 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:48:29,443 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:48:29,709 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:48:30,094 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:48:30,467 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:30,762 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:31,036 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:31,301 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:31,581 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:31,881 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:32,162 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:32,440 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:48:32,720 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:48:32,967 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:48:33,234 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:48:33,496 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:48:34,230 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 23:48:34,577 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 23:48:35,350 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 23:48:35,785 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 23:48:35,836 INFO L158 LiptonReduction]: Checked pairs total: 16823 [2021-04-28 23:48:35,836 INFO L160 LiptonReduction]: Total number of compositions: 223 [2021-04-28 23:48:35,843 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 143007 [2021-04-28 23:48:35,869 INFO L129 PetriNetUnfolder]: 0/56 cut-off events. [2021-04-28 23:48:35,870 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:48:35,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:35,871 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 23:48:35,872 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:35,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:35,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1194427, now seen corresponding path program 1 times [2021-04-28 23:48:35,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:35,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710478342] [2021-04-28 23:48:35,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:36,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:36,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:36,303 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 23:48:36,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710478342] [2021-04-28 23:48:36,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:36,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:48:36,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084995661] [2021-04-28 23:48:36,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:48:36,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:36,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:48:36,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:48:36,342 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 320 [2021-04-28 23:48:36,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 121 transitions, 251 flow. Second operand has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 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 23:48:36,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:36,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 320 [2021-04-28 23:48:36,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:36,939 INFO L129 PetriNetUnfolder]: 329/771 cut-off events. [2021-04-28 23:48:36,939 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:48:36,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1325 conditions, 771 events. 329/771 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 5588 event pairs, 262 based on Foata normal form. 11/410 useless extension candidates. Maximal degree in co-relation 1256. Up to 401 conditions per place. [2021-04-28 23:48:36,947 INFO L132 encePairwiseOnDemand]: 303/320 looper letters, 9 selfloop transitions, 2 changer transitions 89/134 dead transitions. [2021-04-28 23:48:36,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 134 transitions, 375 flow [2021-04-28 23:48:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:48:36,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:48:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 787 transitions. [2021-04-28 23:48:36,970 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8197916666666667 [2021-04-28 23:48:36,971 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 787 transitions. [2021-04-28 23:48:36,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 787 transitions. [2021-04-28 23:48:36,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:36,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 787 transitions. [2021-04-28 23:48:36,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:48:36,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 0 states have call successors, (0), 0 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 23:48:36,997 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 0 states have call successors, (0), 0 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 23:48:37,000 INFO L185 Difference]: Start difference. First operand has 129 places, 121 transitions, 251 flow. Second operand 3 states and 787 transitions. [2021-04-28 23:48:37,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 134 transitions, 375 flow [2021-04-28 23:48:37,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 134 transitions, 372 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 23:48:37,015 INFO L241 Difference]: Finished difference. Result has 125 places, 41 transitions, 92 flow [2021-04-28 23:48:37,018 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=125, PETRI_TRANSITIONS=41} [2021-04-28 23:48:37,019 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -4 predicate places. [2021-04-28 23:48:37,019 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:37,020 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 41 transitions, 92 flow [2021-04-28 23:48:37,021 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 41 transitions, 92 flow [2021-04-28 23:48:37,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 41 transitions, 92 flow [2021-04-28 23:48:37,032 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-28 23:48:37,032 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:48:37,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 151 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 23:48:37,033 INFO L146 LiptonReduction]: Number of co-enabled transitions 938 [2021-04-28 23:48:37,161 INFO L158 LiptonReduction]: Checked pairs total: 900 [2021-04-28 23:48:37,161 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:37,161 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-04-28 23:48:37,163 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 92 flow [2021-04-28 23:48:37,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 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 23:48:37,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:37,165 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:37,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:48:37,165 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:37,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:37,166 INFO L82 PathProgramCache]: Analyzing trace with hash 2133158115, now seen corresponding path program 1 times [2021-04-28 23:48:37,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:37,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439427881] [2021-04-28 23:48:37,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:37,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:37,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:37,370 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 23:48:37,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439427881] [2021-04-28 23:48:37,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:37,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:48:37,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341151963] [2021-04-28 23:48:37,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:48:37,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:37,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:48:37,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:48:37,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 320 [2021-04-28 23:48:37,377 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 0 states have call successors, (0), 0 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 23:48:37,377 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:37,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 320 [2021-04-28 23:48:37,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:37,396 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-28 23:48:37,396 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:48:37,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 149 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:48:37,398 INFO L132 encePairwiseOnDemand]: 317/320 looper letters, 1 selfloop transitions, 2 changer transitions 12/41 dead transitions. [2021-04-28 23:48:37,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 41 transitions, 98 flow [2021-04-28 23:48:37,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:48:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:48:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2021-04-28 23:48:37,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7791666666666667 [2021-04-28 23:48:37,406 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 748 transitions. [2021-04-28 23:48:37,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 748 transitions. [2021-04-28 23:48:37,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:37,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 748 transitions. [2021-04-28 23:48:37,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:48:37,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 0 states have call successors, (0), 0 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 23:48:37,418 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 0 states have call successors, (0), 0 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 23:48:37,418 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 92 flow. Second operand 3 states and 748 transitions. [2021-04-28 23:48:37,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 41 transitions, 98 flow [2021-04-28 23:48:37,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 41 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:48:37,420 INFO L241 Difference]: Finished difference. Result has 51 places, 29 transitions, 72 flow [2021-04-28 23:48:37,421 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=51, PETRI_TRANSITIONS=29} [2021-04-28 23:48:37,421 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -78 predicate places. [2021-04-28 23:48:37,421 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:37,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 29 transitions, 72 flow [2021-04-28 23:48:37,422 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 29 transitions, 72 flow [2021-04-28 23:48:37,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 29 transitions, 72 flow [2021-04-28 23:48:37,428 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-28 23:48:37,428 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:48:37,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 0/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 71 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:48:37,429 INFO L146 LiptonReduction]: Number of co-enabled transitions 468 [2021-04-28 23:48:37,902 INFO L158 LiptonReduction]: Checked pairs total: 576 [2021-04-28 23:48:37,902 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:37,902 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 481 [2021-04-28 23:48:37,904 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 72 flow [2021-04-28 23:48:37,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 0 states have call successors, (0), 0 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 23:48:37,905 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:37,905 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:37,905 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:48:37,906 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:37,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:37,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1703390230, now seen corresponding path program 1 times [2021-04-28 23:48:37,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:37,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987294372] [2021-04-28 23:48:37,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:38,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:38,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:38,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:38,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:38,107 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 23:48:38,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987294372] [2021-04-28 23:48:38,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:38,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:48:38,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185496294] [2021-04-28 23:48:38,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:48:38,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:38,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:48:38,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:48:38,114 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 320 [2021-04-28 23:48:38,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 212.75) internal successors, (851), 4 states have internal predecessors, (851), 0 states have call successors, (0), 0 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 23:48:38,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:38,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 320 [2021-04-28 23:48:38,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:38,161 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-04-28 23:48:38,161 INFO L130 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2021-04-28 23:48:38,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 40 events. 0/40 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 118 event pairs, 0 based on Foata normal form. 3/31 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 23:48:38,162 INFO L132 encePairwiseOnDemand]: 316/320 looper letters, 1 selfloop transitions, 3 changer transitions 2/30 dead transitions. [2021-04-28 23:48:38,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 30 transitions, 87 flow [2021-04-28 23:48:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:48:38,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:48:38,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 855 transitions. [2021-04-28 23:48:38,169 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.66796875 [2021-04-28 23:48:38,169 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 855 transitions. [2021-04-28 23:48:38,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 855 transitions. [2021-04-28 23:48:38,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:38,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 855 transitions. [2021-04-28 23:48:38,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 213.75) internal successors, (855), 4 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:48:38,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 0 states have call successors, (0), 0 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 23:48:38,179 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 0 states have call successors, (0), 0 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 23:48:38,179 INFO L185 Difference]: Start difference. First operand has 39 places, 29 transitions, 72 flow. Second operand 4 states and 855 transitions. [2021-04-28 23:48:38,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 30 transitions, 87 flow [2021-04-28 23:48:38,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 30 transitions, 81 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:48:38,181 INFO L241 Difference]: Finished difference. Result has 42 places, 28 transitions, 80 flow [2021-04-28 23:48:38,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=80, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2021-04-28 23:48:38,181 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -87 predicate places. [2021-04-28 23:48:38,182 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:38,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 28 transitions, 80 flow [2021-04-28 23:48:38,182 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 28 transitions, 80 flow [2021-04-28 23:48:38,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 28 transitions, 80 flow [2021-04-28 23:48:38,188 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-04-28 23:48:38,188 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 23:48:38,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 28 events. 0/28 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 58 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:48:38,189 INFO L146 LiptonReduction]: Number of co-enabled transitions 404 [2021-04-28 23:48:38,470 INFO L158 LiptonReduction]: Checked pairs total: 956 [2021-04-28 23:48:38,470 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 23:48:38,471 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 288 [2021-04-28 23:48:38,472 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 28 transitions, 80 flow [2021-04-28 23:48:38,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 212.75) internal successors, (851), 4 states have internal predecessors, (851), 0 states have call successors, (0), 0 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 23:48:38,473 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:38,473 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:38,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:48:38,474 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:38,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:38,474 INFO L82 PathProgramCache]: Analyzing trace with hash -600192590, now seen corresponding path program 1 times [2021-04-28 23:48:38,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:38,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766861153] [2021-04-28 23:48:38,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:38,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:38,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 23:48:38,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:38,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:48:38,677 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 23:48:38,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766861153] [2021-04-28 23:48:38,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:38,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:48:38,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280420851] [2021-04-28 23:48:38,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:48:38,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:38,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:48:38,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:48:38,681 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 321 [2021-04-28 23:48:38,682 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 0 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 23:48:38,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:38,682 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 321 [2021-04-28 23:48:38,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:38,786 INFO L129 PetriNetUnfolder]: 77/230 cut-off events. [2021-04-28 23:48:38,787 INFO L130 PetriNetUnfolder]: For 97/100 co-relation queries the response was YES. [2021-04-28 23:48:38,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 230 events. 77/230 cut-off events. For 97/100 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1225 event pairs, 59 based on Foata normal form. 2/166 useless extension candidates. Maximal degree in co-relation 413. Up to 125 conditions per place. [2021-04-28 23:48:38,790 INFO L132 encePairwiseOnDemand]: 317/321 looper letters, 9 selfloop transitions, 3 changer transitions 0/32 dead transitions. [2021-04-28 23:48:38,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 32 transitions, 112 flow [2021-04-28 23:48:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:48:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:48:38,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 586 transitions. [2021-04-28 23:48:38,795 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.608515057113188 [2021-04-28 23:48:38,795 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 586 transitions. [2021-04-28 23:48:38,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 586 transitions. [2021-04-28 23:48:38,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:38,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 586 transitions. [2021-04-28 23:48:38,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 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 23:48:38,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 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 23:48:38,803 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 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 23:48:38,803 INFO L185 Difference]: Start difference. First operand has 41 places, 28 transitions, 80 flow. Second operand 3 states and 586 transitions. [2021-04-28 23:48:38,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 32 transitions, 112 flow [2021-04-28 23:48:38,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 32 transitions, 100 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-04-28 23:48:38,806 INFO L241 Difference]: Finished difference. Result has 40 places, 30 transitions, 87 flow [2021-04-28 23:48:38,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=87, PETRI_PLACES=40, PETRI_TRANSITIONS=30} [2021-04-28 23:48:38,806 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -89 predicate places. [2021-04-28 23:48:38,806 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:38,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 30 transitions, 87 flow [2021-04-28 23:48:38,807 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 30 transitions, 87 flow [2021-04-28 23:48:38,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 87 flow [2021-04-28 23:48:38,815 INFO L129 PetriNetUnfolder]: 3/44 cut-off events. [2021-04-28 23:48:38,815 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 23:48:38,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 44 events. 3/44 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 108 event pairs, 1 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 62. Up to 10 conditions per place. [2021-04-28 23:48:38,817 INFO L146 LiptonReduction]: Number of co-enabled transitions 422 [2021-04-28 23:48:39,172 INFO L158 LiptonReduction]: Checked pairs total: 439 [2021-04-28 23:48:39,172 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:39,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 366 [2021-04-28 23:48:39,174 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 87 flow [2021-04-28 23:48:39,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 0 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 23:48:39,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:39,175 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:39,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:48:39,175 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:39,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:39,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1754009357, now seen corresponding path program 1 times [2021-04-28 23:48:39,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:39,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153591148] [2021-04-28 23:48:39,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:39,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:39,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:48:39,283 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-04-28 23:48:39,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 23:48:39,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:39,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:48:39,358 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 23:48:39,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153591148] [2021-04-28 23:48:39,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:39,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:48:39,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167506444] [2021-04-28 23:48:39,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:48:39,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:39,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:48:39,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:48:39,362 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 321 [2021-04-28 23:48:39,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 87 flow. Second operand has 5 states, 5 states have (on average 186.8) internal successors, (934), 5 states have internal predecessors, (934), 0 states have call successors, (0), 0 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 23:48:39,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:39,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 321 [2021-04-28 23:48:39,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:39,566 INFO L129 PetriNetUnfolder]: 77/202 cut-off events. [2021-04-28 23:48:39,566 INFO L130 PetriNetUnfolder]: For 57/69 co-relation queries the response was YES. [2021-04-28 23:48:39,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 202 events. 77/202 cut-off events. For 57/69 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 963 event pairs, 10 based on Foata normal form. 5/160 useless extension candidates. Maximal degree in co-relation 406. Up to 120 conditions per place. [2021-04-28 23:48:39,568 INFO L132 encePairwiseOnDemand]: 315/321 looper letters, 10 selfloop transitions, 6 changer transitions 0/36 dead transitions. [2021-04-28 23:48:39,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 36 transitions, 133 flow [2021-04-28 23:48:39,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:48:39,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:48:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 761 transitions. [2021-04-28 23:48:39,575 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5926791277258567 [2021-04-28 23:48:39,575 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 761 transitions. [2021-04-28 23:48:39,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 761 transitions. [2021-04-28 23:48:39,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:39,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 761 transitions. [2021-04-28 23:48:39,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 190.25) internal successors, (761), 4 states have internal predecessors, (761), 0 states have call successors, (0), 0 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 23:48:39,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 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 23:48:39,583 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 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 23:48:39,584 INFO L185 Difference]: Start difference. First operand has 40 places, 30 transitions, 87 flow. Second operand 4 states and 761 transitions. [2021-04-28 23:48:39,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 36 transitions, 133 flow [2021-04-28 23:48:39,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 36 transitions, 130 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 23:48:39,586 INFO L241 Difference]: Finished difference. Result has 43 places, 33 transitions, 116 flow [2021-04-28 23:48:39,586 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=116, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2021-04-28 23:48:39,586 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -86 predicate places. [2021-04-28 23:48:39,587 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:39,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 33 transitions, 116 flow [2021-04-28 23:48:39,587 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 33 transitions, 116 flow [2021-04-28 23:48:39,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 33 transitions, 116 flow [2021-04-28 23:48:39,604 INFO L129 PetriNetUnfolder]: 20/100 cut-off events. [2021-04-28 23:48:39,604 INFO L130 PetriNetUnfolder]: For 39/53 co-relation queries the response was YES. [2021-04-28 23:48:39,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 100 events. 20/100 cut-off events. For 39/53 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 456 event pairs, 8 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 180. Up to 36 conditions per place. [2021-04-28 23:48:39,606 INFO L146 LiptonReduction]: Number of co-enabled transitions 450 [2021-04-28 23:48:39,639 INFO L158 LiptonReduction]: Checked pairs total: 198 [2021-04-28 23:48:39,639 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:39,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-04-28 23:48:39,640 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 116 flow [2021-04-28 23:48:39,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 186.8) internal successors, (934), 5 states have internal predecessors, (934), 0 states have call successors, (0), 0 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 23:48:39,641 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:39,642 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:39,642 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:48:39,642 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:39,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:39,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1754049874, now seen corresponding path program 1 times [2021-04-28 23:48:39,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:39,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650410045] [2021-04-28 23:48:39,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:39,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:39,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:48:39,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:39,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:48:39,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:39,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:48:39,745 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 23:48:39,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650410045] [2021-04-28 23:48:39,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:39,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:48:39,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388211521] [2021-04-28 23:48:39,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:48:39,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:39,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:48:39,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:48:39,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 321 [2021-04-28 23:48:39,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 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 23:48:39,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:39,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 321 [2021-04-28 23:48:39,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:39,893 INFO L129 PetriNetUnfolder]: 83/243 cut-off events. [2021-04-28 23:48:39,893 INFO L130 PetriNetUnfolder]: For 138/180 co-relation queries the response was YES. [2021-04-28 23:48:39,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 243 events. 83/243 cut-off events. For 138/180 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1363 event pairs, 31 based on Foata normal form. 6/184 useless extension candidates. Maximal degree in co-relation 542. Up to 118 conditions per place. [2021-04-28 23:48:39,899 INFO L132 encePairwiseOnDemand]: 315/321 looper letters, 11 selfloop transitions, 7 changer transitions 0/38 dead transitions. [2021-04-28 23:48:39,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 38 transitions, 168 flow [2021-04-28 23:48:39,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:48:39,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:48:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 778 transitions. [2021-04-28 23:48:39,906 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6059190031152648 [2021-04-28 23:48:39,907 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 778 transitions. [2021-04-28 23:48:39,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 778 transitions. [2021-04-28 23:48:39,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:39,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 778 transitions. [2021-04-28 23:48:39,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 194.5) internal successors, (778), 4 states have internal predecessors, (778), 0 states have call successors, (0), 0 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 23:48:39,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 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 23:48:39,915 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 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 23:48:39,916 INFO L185 Difference]: Start difference. First operand has 43 places, 33 transitions, 116 flow. Second operand 4 states and 778 transitions. [2021-04-28 23:48:39,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 38 transitions, 168 flow [2021-04-28 23:48:39,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 158 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 23:48:39,920 INFO L241 Difference]: Finished difference. Result has 45 places, 36 transitions, 144 flow [2021-04-28 23:48:39,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=144, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2021-04-28 23:48:39,921 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -84 predicate places. [2021-04-28 23:48:39,921 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:39,921 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 36 transitions, 144 flow [2021-04-28 23:48:39,921 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 36 transitions, 144 flow [2021-04-28 23:48:39,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 36 transitions, 144 flow [2021-04-28 23:48:39,950 INFO L129 PetriNetUnfolder]: 38/132 cut-off events. [2021-04-28 23:48:39,950 INFO L130 PetriNetUnfolder]: For 104/122 co-relation queries the response was YES. [2021-04-28 23:48:39,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 132 events. 38/132 cut-off events. For 104/122 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 624 event pairs, 12 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 311. Up to 57 conditions per place. [2021-04-28 23:48:39,953 INFO L146 LiptonReduction]: Number of co-enabled transitions 490 [2021-04-28 23:48:40,072 INFO L158 LiptonReduction]: Checked pairs total: 150 [2021-04-28 23:48:40,073 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:40,073 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 152 [2021-04-28 23:48:40,074 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 144 flow [2021-04-28 23:48:40,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 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 23:48:40,075 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:40,075 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:40,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:48:40,075 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:40,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:40,076 INFO L82 PathProgramCache]: Analyzing trace with hash 668272312, now seen corresponding path program 1 times [2021-04-28 23:48:40,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:40,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459787874] [2021-04-28 23:48:40,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:40,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:40,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 23:48:40,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:40,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 23:48:40,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:40,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-28 23:48:40,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:40,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-28 23:48:40,341 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 23:48:40,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459787874] [2021-04-28 23:48:40,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:40,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:48:40,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401909717] [2021-04-28 23:48:40,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:48:40,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:40,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:48:40,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:48:40,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 321 [2021-04-28 23:48:40,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 144 flow. Second operand has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 0 states have call successors, (0), 0 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 23:48:40,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:40,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 321 [2021-04-28 23:48:40,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:40,613 INFO L129 PetriNetUnfolder]: 80/230 cut-off events. [2021-04-28 23:48:40,613 INFO L130 PetriNetUnfolder]: For 265/321 co-relation queries the response was YES. [2021-04-28 23:48:40,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 631 conditions, 230 events. 80/230 cut-off events. For 265/321 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1243 event pairs, 17 based on Foata normal form. 8/180 useless extension candidates. Maximal degree in co-relation 617. Up to 127 conditions per place. [2021-04-28 23:48:40,616 INFO L132 encePairwiseOnDemand]: 316/321 looper letters, 14 selfloop transitions, 7 changer transitions 0/41 dead transitions. [2021-04-28 23:48:40,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 41 transitions, 211 flow [2021-04-28 23:48:40,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:48:40,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:48:40,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 705 transitions. [2021-04-28 23:48:40,622 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5490654205607477 [2021-04-28 23:48:40,622 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 705 transitions. [2021-04-28 23:48:40,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 705 transitions. [2021-04-28 23:48:40,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:40,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 705 transitions. [2021-04-28 23:48:40,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 176.25) internal successors, (705), 4 states have internal predecessors, (705), 0 states have call successors, (0), 0 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 23:48:40,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 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 23:48:40,629 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 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 23:48:40,629 INFO L185 Difference]: Start difference. First operand has 45 places, 36 transitions, 144 flow. Second operand 4 states and 705 transitions. [2021-04-28 23:48:40,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 41 transitions, 211 flow [2021-04-28 23:48:40,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 41 transitions, 198 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-04-28 23:48:40,632 INFO L241 Difference]: Finished difference. Result has 47 places, 38 transitions, 171 flow [2021-04-28 23:48:40,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=171, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2021-04-28 23:48:40,633 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -82 predicate places. [2021-04-28 23:48:40,633 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:40,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 38 transitions, 171 flow [2021-04-28 23:48:40,633 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 38 transitions, 171 flow [2021-04-28 23:48:40,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 171 flow [2021-04-28 23:48:40,660 INFO L129 PetriNetUnfolder]: 35/127 cut-off events. [2021-04-28 23:48:40,661 INFO L130 PetriNetUnfolder]: For 175/206 co-relation queries the response was YES. [2021-04-28 23:48:40,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 127 events. 35/127 cut-off events. For 175/206 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 602 event pairs, 12 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 310. Up to 53 conditions per place. [2021-04-28 23:48:40,663 INFO L146 LiptonReduction]: Number of co-enabled transitions 510 [2021-04-28 23:48:40,791 INFO L158 LiptonReduction]: Checked pairs total: 179 [2021-04-28 23:48:40,791 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:40,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 159 [2021-04-28 23:48:40,793 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 171 flow [2021-04-28 23:48:40,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 0 states have call successors, (0), 0 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 23:48:40,794 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:40,794 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:40,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 23:48:40,794 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:40,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:40,794 INFO L82 PathProgramCache]: Analyzing trace with hash 541661550, now seen corresponding path program 1 times [2021-04-28 23:48:40,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:40,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321447080] [2021-04-28 23:48:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:40,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:40,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:48:40,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:40,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 23:48:40,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:40,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-28 23:48:41,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:41,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 23:48:41,062 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 23:48:41,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321447080] [2021-04-28 23:48:41,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:41,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:48:41,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587178903] [2021-04-28 23:48:41,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:48:41,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:41,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:48:41,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:48:41,067 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 321 [2021-04-28 23:48:41,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 171 flow. Second operand has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 0 states have call successors, (0), 0 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 23:48:41,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:41,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 321 [2021-04-28 23:48:41,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:41,282 INFO L129 PetriNetUnfolder]: 88/238 cut-off events. [2021-04-28 23:48:41,283 INFO L130 PetriNetUnfolder]: For 434/520 co-relation queries the response was YES. [2021-04-28 23:48:41,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 238 events. 88/238 cut-off events. For 434/520 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1261 event pairs, 15 based on Foata normal form. 16/206 useless extension candidates. Maximal degree in co-relation 675. Up to 102 conditions per place. [2021-04-28 23:48:41,286 INFO L132 encePairwiseOnDemand]: 313/321 looper letters, 18 selfloop transitions, 16 changer transitions 0/54 dead transitions. [2021-04-28 23:48:41,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 54 transitions, 305 flow [2021-04-28 23:48:41,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:48:41,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:48:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 968 transitions. [2021-04-28 23:48:41,293 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6031152647975078 [2021-04-28 23:48:41,293 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 968 transitions. [2021-04-28 23:48:41,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 968 transitions. [2021-04-28 23:48:41,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:41,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 968 transitions. [2021-04-28 23:48:41,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 193.6) internal successors, (968), 5 states have internal predecessors, (968), 0 states have call successors, (0), 0 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 23:48:41,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 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 23:48:41,302 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 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 23:48:41,302 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 171 flow. Second operand 5 states and 968 transitions. [2021-04-28 23:48:41,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 54 transitions, 305 flow [2021-04-28 23:48:41,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 54 transitions, 292 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-04-28 23:48:41,306 INFO L241 Difference]: Finished difference. Result has 52 places, 48 transitions, 279 flow [2021-04-28 23:48:41,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=279, PETRI_PLACES=52, PETRI_TRANSITIONS=48} [2021-04-28 23:48:41,307 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -77 predicate places. [2021-04-28 23:48:41,307 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:41,307 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 48 transitions, 279 flow [2021-04-28 23:48:41,308 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 48 transitions, 279 flow [2021-04-28 23:48:41,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 48 transitions, 279 flow [2021-04-28 23:48:41,349 INFO L129 PetriNetUnfolder]: 67/214 cut-off events. [2021-04-28 23:48:41,350 INFO L130 PetriNetUnfolder]: For 474/522 co-relation queries the response was YES. [2021-04-28 23:48:41,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 214 events. 67/214 cut-off events. For 474/522 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1160 event pairs, 7 based on Foata normal form. 3/161 useless extension candidates. Maximal degree in co-relation 663. Up to 90 conditions per place. [2021-04-28 23:48:41,391 INFO L146 LiptonReduction]: Number of co-enabled transitions 590 [2021-04-28 23:48:41,420 INFO L158 LiptonReduction]: Checked pairs total: 232 [2021-04-28 23:48:41,420 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:41,421 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-04-28 23:48:41,422 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 48 transitions, 279 flow [2021-04-28 23:48:41,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 0 states have call successors, (0), 0 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 23:48:41,422 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:41,423 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:41,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 23:48:41,423 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:41,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:41,424 INFO L82 PathProgramCache]: Analyzing trace with hash -2046924628, now seen corresponding path program 1 times [2021-04-28 23:48:41,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:41,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600690432] [2021-04-28 23:48:41,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:41,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:41,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:41,502 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:48:41,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:48:41,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:41,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:48:41,528 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 23:48:41,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600690432] [2021-04-28 23:48:41,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:41,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:48:41,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981535113] [2021-04-28 23:48:41,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:48:41,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:41,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:48:41,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:48:41,531 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 321 [2021-04-28 23:48:41,532 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 48 transitions, 279 flow. Second operand has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 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 23:48:41,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:41,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 321 [2021-04-28 23:48:41,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:41,944 INFO L129 PetriNetUnfolder]: 836/1595 cut-off events. [2021-04-28 23:48:41,944 INFO L130 PetriNetUnfolder]: For 2566/3051 co-relation queries the response was YES. [2021-04-28 23:48:41,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4392 conditions, 1595 events. 836/1595 cut-off events. For 2566/3051 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 11547 event pairs, 384 based on Foata normal form. 173/1028 useless extension candidates. Maximal degree in co-relation 4374. Up to 1027 conditions per place. [2021-04-28 23:48:41,964 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 21 selfloop transitions, 20 changer transitions 1/76 dead transitions. [2021-04-28 23:48:41,964 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 76 transitions, 417 flow [2021-04-28 23:48:41,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:48:41,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:48:41,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1227 transitions. [2021-04-28 23:48:41,971 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7644859813084112 [2021-04-28 23:48:41,971 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1227 transitions. [2021-04-28 23:48:41,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1227 transitions. [2021-04-28 23:48:41,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:41,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1227 transitions. [2021-04-28 23:48:41,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 245.4) internal successors, (1227), 5 states have internal predecessors, (1227), 0 states have call successors, (0), 0 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 23:48:41,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 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 23:48:41,981 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 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 23:48:41,981 INFO L185 Difference]: Start difference. First operand has 52 places, 48 transitions, 279 flow. Second operand 5 states and 1227 transitions. [2021-04-28 23:48:41,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 76 transitions, 417 flow [2021-04-28 23:48:41,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 76 transitions, 406 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 23:48:41,990 INFO L241 Difference]: Finished difference. Result has 58 places, 66 transitions, 420 flow [2021-04-28 23:48:41,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=420, PETRI_PLACES=58, PETRI_TRANSITIONS=66} [2021-04-28 23:48:41,990 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -71 predicate places. [2021-04-28 23:48:41,990 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:41,990 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 66 transitions, 420 flow [2021-04-28 23:48:41,991 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 66 transitions, 420 flow [2021-04-28 23:48:41,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 66 transitions, 420 flow [2021-04-28 23:48:42,251 INFO L129 PetriNetUnfolder]: 912/1673 cut-off events. [2021-04-28 23:48:42,252 INFO L130 PetriNetUnfolder]: For 3789/4442 co-relation queries the response was YES. [2021-04-28 23:48:42,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5916 conditions, 1673 events. 912/1673 cut-off events. For 3789/4442 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 11890 event pairs, 351 based on Foata normal form. 30/932 useless extension candidates. Maximal degree in co-relation 5896. Up to 1135 conditions per place. [2021-04-28 23:48:42,286 INFO L146 LiptonReduction]: Number of co-enabled transitions 870 [2021-04-28 23:48:42,387 INFO L158 LiptonReduction]: Checked pairs total: 228 [2021-04-28 23:48:42,388 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:42,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 398 [2021-04-28 23:48:42,389 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 66 transitions, 420 flow [2021-04-28 23:48:42,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 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 23:48:42,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:42,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:42,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 23:48:42,391 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:42,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:42,391 INFO L82 PathProgramCache]: Analyzing trace with hash 98090623, now seen corresponding path program 1 times [2021-04-28 23:48:42,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:42,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811649836] [2021-04-28 23:48:42,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:42,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:42,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:42,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:42,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:42,509 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:48:42,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:48:42,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:42,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:48:42,536 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 23:48:42,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811649836] [2021-04-28 23:48:42,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:42,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:48:42,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561383602] [2021-04-28 23:48:42,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:48:42,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:42,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:48:42,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:48:42,540 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 321 [2021-04-28 23:48:42,542 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 66 transitions, 420 flow. Second operand has 5 states, 5 states have (on average 237.8) internal successors, (1189), 5 states have internal predecessors, (1189), 0 states have call successors, (0), 0 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 23:48:42,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:42,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 321 [2021-04-28 23:48:42,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:43,035 INFO L129 PetriNetUnfolder]: 581/1306 cut-off events. [2021-04-28 23:48:43,036 INFO L130 PetriNetUnfolder]: For 2996/8414 co-relation queries the response was YES. [2021-04-28 23:48:43,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5435 conditions, 1306 events. 581/1306 cut-off events. For 2996/8414 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 10177 event pairs, 84 based on Foata normal form. 237/872 useless extension candidates. Maximal degree in co-relation 5413. Up to 986 conditions per place. [2021-04-28 23:48:43,054 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 11 selfloop transitions, 39 changer transitions 9/93 dead transitions. [2021-04-28 23:48:43,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 93 transitions, 694 flow [2021-04-28 23:48:43,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:48:43,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:48:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1720 transitions. [2021-04-28 23:48:43,062 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7654650645304851 [2021-04-28 23:48:43,062 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1720 transitions. [2021-04-28 23:48:43,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1720 transitions. [2021-04-28 23:48:43,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:43,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1720 transitions. [2021-04-28 23:48:43,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 245.71428571428572) internal successors, (1720), 7 states have internal predecessors, (1720), 0 states have call successors, (0), 0 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 23:48:43,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 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 23:48:43,076 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 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 23:48:43,076 INFO L185 Difference]: Start difference. First operand has 57 places, 66 transitions, 420 flow. Second operand 7 states and 1720 transitions. [2021-04-28 23:48:43,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 93 transitions, 694 flow [2021-04-28 23:48:43,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 93 transitions, 684 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 23:48:43,090 INFO L241 Difference]: Finished difference. Result has 65 places, 84 transitions, 661 flow [2021-04-28 23:48:43,091 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=661, PETRI_PLACES=65, PETRI_TRANSITIONS=84} [2021-04-28 23:48:43,091 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -64 predicate places. [2021-04-28 23:48:43,091 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:43,091 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 84 transitions, 661 flow [2021-04-28 23:48:43,091 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 84 transitions, 661 flow [2021-04-28 23:48:43,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 84 transitions, 661 flow [2021-04-28 23:48:43,324 INFO L129 PetriNetUnfolder]: 492/1154 cut-off events. [2021-04-28 23:48:43,324 INFO L130 PetriNetUnfolder]: For 3888/5425 co-relation queries the response was YES. [2021-04-28 23:48:43,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5364 conditions, 1154 events. 492/1154 cut-off events. For 3888/5425 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 9145 event pairs, 77 based on Foata normal form. 12/632 useless extension candidates. Maximal degree in co-relation 5340. Up to 824 conditions per place. [2021-04-28 23:48:43,345 INFO L146 LiptonReduction]: Number of co-enabled transitions 984 [2021-04-28 23:48:43,374 INFO L158 LiptonReduction]: Checked pairs total: 270 [2021-04-28 23:48:43,374 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:43,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 283 [2021-04-28 23:48:43,375 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 84 transitions, 661 flow [2021-04-28 23:48:43,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 237.8) internal successors, (1189), 5 states have internal predecessors, (1189), 0 states have call successors, (0), 0 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 23:48:43,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:43,376 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 23:48:43,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 23:48:43,376 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:43,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:43,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1311885478, now seen corresponding path program 1 times [2021-04-28 23:48:43,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:43,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39096558] [2021-04-28 23:48:43,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:43,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:43,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:48:43,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:43,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:43,455 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 23:48:43,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39096558] [2021-04-28 23:48:43,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:43,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:48:43,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052086900] [2021-04-28 23:48:43,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:48:43,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:43,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:48:43,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:48:43,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 321 [2021-04-28 23:48:43,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 84 transitions, 661 flow. Second operand has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 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 23:48:43,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:43,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 321 [2021-04-28 23:48:43,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:43,819 INFO L129 PetriNetUnfolder]: 871/2054 cut-off events. [2021-04-28 23:48:43,820 INFO L130 PetriNetUnfolder]: For 8195/12718 co-relation queries the response was YES. [2021-04-28 23:48:43,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9379 conditions, 2054 events. 871/2054 cut-off events. For 8195/12718 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 18002 event pairs, 148 based on Foata normal form. 91/1114 useless extension candidates. Maximal degree in co-relation 9353. Up to 1559 conditions per place. [2021-04-28 23:48:43,846 INFO L132 encePairwiseOnDemand]: 318/321 looper letters, 3 selfloop transitions, 2 changer transitions 2/85 dead transitions. [2021-04-28 23:48:43,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 85 transitions, 674 flow [2021-04-28 23:48:43,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:48:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:48:43,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2021-04-28 23:48:43,852 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6915887850467289 [2021-04-28 23:48:43,852 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 666 transitions. [2021-04-28 23:48:43,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 666 transitions. [2021-04-28 23:48:43,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:43,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 666 transitions. [2021-04-28 23:48:43,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 23:48:43,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 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 23:48:43,858 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 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 23:48:43,858 INFO L185 Difference]: Start difference. First operand has 65 places, 84 transitions, 661 flow. Second operand 3 states and 666 transitions. [2021-04-28 23:48:43,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 85 transitions, 674 flow [2021-04-28 23:48:44,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 85 transitions, 579 flow, removed 37 selfloop flow, removed 2 redundant places. [2021-04-28 23:48:44,007 INFO L241 Difference]: Finished difference. Result has 66 places, 83 transitions, 567 flow [2021-04-28 23:48:44,007 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=567, PETRI_PLACES=66, PETRI_TRANSITIONS=83} [2021-04-28 23:48:44,007 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -63 predicate places. [2021-04-28 23:48:44,008 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:44,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 83 transitions, 567 flow [2021-04-28 23:48:44,008 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 83 transitions, 567 flow [2021-04-28 23:48:44,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 83 transitions, 567 flow [2021-04-28 23:48:44,290 INFO L129 PetriNetUnfolder]: 916/2098 cut-off events. [2021-04-28 23:48:44,291 INFO L130 PetriNetUnfolder]: For 6099/6354 co-relation queries the response was YES. [2021-04-28 23:48:44,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8210 conditions, 2098 events. 916/2098 cut-off events. For 6099/6354 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 18755 event pairs, 129 based on Foata normal form. 14/1105 useless extension candidates. Maximal degree in co-relation 8185. Up to 812 conditions per place. [2021-04-28 23:48:44,331 INFO L146 LiptonReduction]: Number of co-enabled transitions 852 [2021-04-28 23:48:44,366 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 23:48:44,366 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:44,367 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 359 [2021-04-28 23:48:44,368 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 83 transitions, 567 flow [2021-04-28 23:48:44,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 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 23:48:44,368 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:44,369 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 23:48:44,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 23:48:44,369 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:44,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:44,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1258476506, now seen corresponding path program 2 times [2021-04-28 23:48:44,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:44,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428116376] [2021-04-28 23:48:44,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:44,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:44,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:44,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:44,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:44,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:44,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:44,477 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:48:44,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:48:44,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:44,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:48:44,507 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 23:48:44,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428116376] [2021-04-28 23:48:44,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:44,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 23:48:44,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927836957] [2021-04-28 23:48:44,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:48:44,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:44,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:48:44,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:48:44,512 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 321 [2021-04-28 23:48:44,513 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 83 transitions, 567 flow. Second operand has 6 states, 6 states have (on average 237.83333333333334) internal successors, (1427), 6 states have internal predecessors, (1427), 0 states have call successors, (0), 0 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 23:48:44,513 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:44,513 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 321 [2021-04-28 23:48:44,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:45,177 INFO L129 PetriNetUnfolder]: 598/1582 cut-off events. [2021-04-28 23:48:45,177 INFO L130 PetriNetUnfolder]: For 5445/11039 co-relation queries the response was YES. [2021-04-28 23:48:45,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7007 conditions, 1582 events. 598/1582 cut-off events. For 5445/11039 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 14475 event pairs, 4 based on Foata normal form. 349/1062 useless extension candidates. Maximal degree in co-relation 6980. Up to 585 conditions per place. [2021-04-28 23:48:45,191 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 2 selfloop transitions, 49 changer transitions 17/93 dead transitions. [2021-04-28 23:48:45,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 93 transitions, 765 flow [2021-04-28 23:48:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 23:48:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 23:48:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2195 transitions. [2021-04-28 23:48:45,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7597784700588439 [2021-04-28 23:48:45,201 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2195 transitions. [2021-04-28 23:48:45,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2195 transitions. [2021-04-28 23:48:45,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:45,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2195 transitions. [2021-04-28 23:48:45,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 243.88888888888889) internal successors, (2195), 9 states have internal predecessors, (2195), 0 states have call successors, (0), 0 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 23:48:45,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 0 states have call successors, (0), 0 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 23:48:45,218 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 0 states have call successors, (0), 0 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 23:48:45,218 INFO L185 Difference]: Start difference. First operand has 65 places, 83 transitions, 567 flow. Second operand 9 states and 2195 transitions. [2021-04-28 23:48:45,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 93 transitions, 765 flow [2021-04-28 23:48:45,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 93 transitions, 741 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-04-28 23:48:45,263 INFO L241 Difference]: Finished difference. Result has 73 places, 76 transitions, 627 flow [2021-04-28 23:48:45,263 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=543, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=627, PETRI_PLACES=73, PETRI_TRANSITIONS=76} [2021-04-28 23:48:45,264 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -56 predicate places. [2021-04-28 23:48:45,264 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:45,264 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 76 transitions, 627 flow [2021-04-28 23:48:45,264 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 76 transitions, 627 flow [2021-04-28 23:48:45,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 76 transitions, 627 flow [2021-04-28 23:48:45,348 INFO L129 PetriNetUnfolder]: 227/666 cut-off events. [2021-04-28 23:48:45,348 INFO L130 PetriNetUnfolder]: For 1361/1501 co-relation queries the response was YES. [2021-04-28 23:48:45,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2966 conditions, 666 events. 227/666 cut-off events. For 1361/1501 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 5447 event pairs, 0 based on Foata normal form. 1/333 useless extension candidates. Maximal degree in co-relation 2939. Up to 270 conditions per place. [2021-04-28 23:48:45,361 INFO L146 LiptonReduction]: Number of co-enabled transitions 530 [2021-04-28 23:48:46,026 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-04-28 23:48:46,282 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:48:47,540 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-04-28 23:48:48,040 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:48:48,302 INFO L158 LiptonReduction]: Checked pairs total: 100 [2021-04-28 23:48:48,302 INFO L160 LiptonReduction]: Total number of compositions: 4 [2021-04-28 23:48:48,303 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3039 [2021-04-28 23:48:48,304 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 77 transitions, 636 flow [2021-04-28 23:48:48,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 237.83333333333334) internal successors, (1427), 6 states have internal predecessors, (1427), 0 states have call successors, (0), 0 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 23:48:48,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:48,306 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 23:48:48,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 23:48:48,306 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:48,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:48,306 INFO L82 PathProgramCache]: Analyzing trace with hash -426529528, now seen corresponding path program 1 times [2021-04-28 23:48:48,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:48,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834554510] [2021-04-28 23:48:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:48,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:48,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:48:48,439 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-04-28 23:48:48,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-28 23:48:48,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:48,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-28 23:48:48,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:48,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 23:48:48,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:48,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-28 23:48:48,690 INFO L142 QuantifierPusher]: treesize reduction 26, result has 61.2 percent of original size [2021-04-28 23:48:48,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-28 23:48:48,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:48,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 23:48:48,857 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 23:48:48,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834554510] [2021-04-28 23:48:48,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:48,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-28 23:48:48,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519503970] [2021-04-28 23:48:48,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-28 23:48:48,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:48,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-28 23:48:48,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-28 23:48:48,862 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 325 [2021-04-28 23:48:48,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 77 transitions, 636 flow. Second operand has 9 states, 9 states have (on average 169.88888888888889) internal successors, (1529), 9 states have internal predecessors, (1529), 0 states have call successors, (0), 0 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 23:48:48,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:48,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 325 [2021-04-28 23:48:48,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:49,622 INFO L129 PetriNetUnfolder]: 417/1194 cut-off events. [2021-04-28 23:48:49,622 INFO L130 PetriNetUnfolder]: For 3236/3831 co-relation queries the response was YES. [2021-04-28 23:48:49,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5519 conditions, 1194 events. 417/1194 cut-off events. For 3236/3831 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 10532 event pairs, 1 based on Foata normal form. 50/611 useless extension candidates. Maximal degree in co-relation 5490. Up to 495 conditions per place. [2021-04-28 23:48:49,639 INFO L132 encePairwiseOnDemand]: 318/325 looper letters, 12 selfloop transitions, 5 changer transitions 10/83 dead transitions. [2021-04-28 23:48:49,639 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 83 transitions, 738 flow [2021-04-28 23:48:49,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:48:49,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:48:49,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1201 transitions. [2021-04-28 23:48:49,647 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5279120879120879 [2021-04-28 23:48:49,647 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1201 transitions. [2021-04-28 23:48:49,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1201 transitions. [2021-04-28 23:48:49,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:49,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1201 transitions. [2021-04-28 23:48:49,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 171.57142857142858) internal successors, (1201), 7 states have internal predecessors, (1201), 0 states have call successors, (0), 0 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 23:48:49,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 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 23:48:49,658 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 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 23:48:49,658 INFO L185 Difference]: Start difference. First operand has 72 places, 77 transitions, 636 flow. Second operand 7 states and 1201 transitions. [2021-04-28 23:48:49,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 83 transitions, 738 flow [2021-04-28 23:48:49,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 83 transitions, 564 flow, removed 38 selfloop flow, removed 12 redundant places. [2021-04-28 23:48:49,723 INFO L241 Difference]: Finished difference. Result has 68 places, 71 transitions, 448 flow [2021-04-28 23:48:49,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=448, PETRI_PLACES=68, PETRI_TRANSITIONS=71} [2021-04-28 23:48:49,724 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -61 predicate places. [2021-04-28 23:48:49,724 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:49,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 71 transitions, 448 flow [2021-04-28 23:48:49,724 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 71 transitions, 448 flow [2021-04-28 23:48:49,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 71 transitions, 448 flow [2021-04-28 23:48:49,790 INFO L129 PetriNetUnfolder]: 196/576 cut-off events. [2021-04-28 23:48:49,790 INFO L130 PetriNetUnfolder]: For 593/597 co-relation queries the response was YES. [2021-04-28 23:48:49,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1964 conditions, 576 events. 196/576 cut-off events. For 593/597 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 4649 event pairs, 0 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 1942. Up to 225 conditions per place. [2021-04-28 23:48:49,798 INFO L146 LiptonReduction]: Number of co-enabled transitions 262 [2021-04-28 23:48:50,568 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-04-28 23:48:50,855 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:48:52,252 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 116 DAG size of output: 93 [2021-04-28 23:48:52,781 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:48:53,143 INFO L158 LiptonReduction]: Checked pairs total: 8 [2021-04-28 23:48:53,143 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 23:48:53,143 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3419 [2021-04-28 23:48:53,144 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 72 transitions, 462 flow [2021-04-28 23:48:53,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 169.88888888888889) internal successors, (1529), 9 states have internal predecessors, (1529), 0 states have call successors, (0), 0 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 23:48:53,145 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:53,145 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:53,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 23:48:53,146 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:53,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:53,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1775168602, now seen corresponding path program 1 times [2021-04-28 23:48:53,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:53,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606349683] [2021-04-28 23:48:53,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:48:53,209 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:48:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:48:53,280 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:48:53,346 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:48:53,346 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:48:53,346 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 23:48:53,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:48:53 BasicIcfg [2021-04-28 23:48:53,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:48:53,457 INFO L168 Benchmark]: Toolchain (without parser) took 164238.41 ms. Allocated memory was 306.2 MB in the beginning and 755.0 MB in the end (delta: 448.8 MB). Free memory was 279.9 MB in the beginning and 580.8 MB in the end (delta: -300.8 MB). Peak memory consumption was 150.5 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:53,457 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 306.2 MB. Free memory was 274.8 MB in the beginning and 274.7 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:48:53,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.04 ms. Allocated memory is still 306.2 MB. Free memory was 276.7 MB in the beginning and 271.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:53,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.44 ms. Allocated memory is still 306.2 MB. Free memory was 271.6 MB in the beginning and 268.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:53,458 INFO L168 Benchmark]: Boogie Preprocessor took 44.81 ms. Allocated memory is still 306.2 MB. Free memory was 268.6 MB in the beginning and 266.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:53,458 INFO L168 Benchmark]: RCFGBuilder took 2397.91 ms. Allocated memory was 306.2 MB in the beginning and 375.4 MB in the end (delta: 69.2 MB). Free memory was 266.5 MB in the beginning and 274.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:53,459 INFO L168 Benchmark]: TraceAbstraction took 160864.07 ms. Allocated memory was 375.4 MB in the beginning and 755.0 MB in the end (delta: 379.6 MB). Free memory was 273.3 MB in the beginning and 580.8 MB in the end (delta: -307.4 MB). Peak memory consumption was 72.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:53,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 306.2 MB. Free memory was 274.8 MB in the beginning and 274.7 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 799.04 ms. Allocated memory is still 306.2 MB. Free memory was 276.7 MB in the beginning and 271.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 71.44 ms. Allocated memory is still 306.2 MB. Free memory was 271.6 MB in the beginning and 268.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 44.81 ms. Allocated memory is still 306.2 MB. Free memory was 268.6 MB in the beginning and 266.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2397.91 ms. Allocated memory was 306.2 MB in the beginning and 375.4 MB in the end (delta: 69.2 MB). Free memory was 266.5 MB in the beginning and 274.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 160864.07 ms. Allocated memory was 375.4 MB in the beginning and 755.0 MB in the end (delta: 379.6 MB). Free memory was 273.3 MB in the beginning and 580.8 MB in the end (delta: -307.4 MB). Peak memory consumption was 72.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 142976.1ms, 102 PlacesBefore, 129 PlacesAfterwards, 94 TransitionsBefore, 121 TransitionsAfterwards, 1694 CoEnabledTransitionPairs, 9 FixpointIterations, 143 TrivialSequentialCompositions, 79 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 223 TotalNumberOfCompositions, 16823 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4177, positive: 3890, positive conditional: 3890, positive unconditional: 0, negative: 287, negative conditional: 287, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1964, positive: 1896, positive conditional: 0, positive unconditional: 1896, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1964, positive: 1896, positive conditional: 0, positive unconditional: 1896, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1964, positive: 1886, positive conditional: 0, positive unconditional: 1886, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1301, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 1258, negative conditional: 0, negative unconditional: 1258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4177, positive: 1994, positive conditional: 1994, positive unconditional: 0, negative: 219, negative conditional: 219, negative unconditional: 0, unknown: 1964, unknown conditional: 1964, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1964, Positive cache size: 1896, Positive conditional cache size: 1896, Positive unconditional cache size: 0, Negative cache size: 68, Negative conditional cache size: 68, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 140.6ms, 125 PlacesBefore, 50 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 938 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 900 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 148, positive: 116, positive conditional: 116, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 27, positive conditional: 3, positive unconditional: 24, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 27, positive conditional: 3, positive unconditional: 24, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 148, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2001, Positive cache size: 1923, Positive conditional cache size: 1923, Positive unconditional cache size: 0, Negative cache size: 78, Negative conditional cache size: 78, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 479.9ms, 51 PlacesBefore, 39 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 576 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 189, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 86, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 86, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 43, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 464, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 247, negative conditional: 15, negative unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 189, positive: 86, positive conditional: 86, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 86, unknown conditional: 86, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2087, Positive cache size: 1995, Positive conditional cache size: 1995, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 288.2ms, 42 PlacesBefore, 41 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 956 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 261, positive: 206, positive conditional: 206, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 30, positive conditional: 18, positive unconditional: 12, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35, positive: 30, positive conditional: 18, positive unconditional: 12, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 183, negative conditional: 7, negative unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 261, positive: 176, positive conditional: 176, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2122, Positive cache size: 2025, Positive conditional cache size: 2025, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 365.0ms, 40 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 439 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 134, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 35, positive conditional: 18, positive unconditional: 17, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, positive: 35, positive conditional: 18, positive unconditional: 17, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 351, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 327, negative conditional: 0, negative unconditional: 327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 134, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2162, Positive cache size: 2060, Positive conditional cache size: 2060, Positive unconditional cache size: 0, Negative cache size: 102, Negative conditional cache size: 102, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.8ms, 43 PlacesBefore, 43 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 198 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 71, positive: 60, positive conditional: 60, 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: 5, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 71, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2167, Positive cache size: 2064, Positive conditional cache size: 2064, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.5ms, 45 PlacesBefore, 45 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 150 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 65, positive: 59, positive conditional: 59, 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: 10, positive: 8, positive conditional: 2, positive unconditional: 6, 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: 10, positive: 8, positive conditional: 2, positive unconditional: 6, 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: 10, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 65, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2177, Positive cache size: 2072, Positive conditional cache size: 2072, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 158.1ms, 47 PlacesBefore, 47 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 510 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 179 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 86, positive: 79, positive conditional: 79, 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: 8, positive: 8, positive conditional: 8, 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: 8, positive: 8, positive conditional: 8, 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: 8, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 86, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2185, Positive cache size: 2080, Positive conditional cache size: 2080, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 112.7ms, 52 PlacesBefore, 52 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 232 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 78, positive: 70, positive conditional: 70, 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: 10, positive: 10, positive conditional: 6, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 6, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 78, positive: 60, positive conditional: 60, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2195, Positive cache size: 2090, Positive conditional cache size: 2090, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 397.1ms, 58 PlacesBefore, 57 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 870 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 228 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 222, positive: 216, positive conditional: 216, 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: 27, positive: 26, positive conditional: 17, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 26, positive conditional: 17, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 222, positive: 190, positive conditional: 190, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2222, Positive cache size: 2116, Positive conditional cache size: 2116, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 282.5ms, 65 PlacesBefore, 65 PlacesAfterwards, 84 TransitionsBefore, 84 TransitionsAfterwards, 984 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 270 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 228, positive: 222, positive conditional: 222, 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: 23, positive: 23, positive conditional: 21, 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: 23, positive: 23, positive conditional: 21, 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: 23, positive: 23, positive conditional: 0, positive unconditional: 23, 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: 228, positive: 199, positive conditional: 199, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2245, Positive cache size: 2139, Positive conditional cache size: 2139, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 358.5ms, 66 PlacesBefore, 65 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 852 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): 2245, Positive cache size: 2139, Positive conditional cache size: 2139, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3038.2ms, 73 PlacesBefore, 72 PlacesAfterwards, 76 TransitionsBefore, 77 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 100 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 100, positive: 100, positive conditional: 100, 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: 37, positive: 37, positive conditional: 37, 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: 37, positive: 37, positive conditional: 37, 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: 37, positive: 37, positive conditional: 0, positive unconditional: 37, 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: 100, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2282, Positive cache size: 2176, Positive conditional cache size: 2176, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3418.6ms, 68 PlacesBefore, 65 PlacesAfterwards, 71 TransitionsBefore, 72 TransitionsAfterwards, 262 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, 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: 8, positive: 8, positive conditional: 8, 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: 8, positive: 8, positive conditional: 8, 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: 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: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2290, Positive cache size: 2184, Positive conditional cache size: 2184, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L719] 0 int z = 0; [L720] 0 _Bool z$flush_delayed; [L721] 0 int z$mem_tmp; [L722] 0 _Bool z$r_buff0_thd0; [L723] 0 _Bool z$r_buff0_thd1; [L724] 0 _Bool z$r_buff0_thd2; [L725] 0 _Bool z$r_buff0_thd3; [L726] 0 _Bool z$r_buff1_thd0; [L727] 0 _Bool z$r_buff1_thd1; [L728] 0 _Bool z$r_buff1_thd2; [L729] 0 _Bool z$r_buff1_thd3; [L730] 0 _Bool z$read_delayed; [L731] 0 int *z$read_delayed_var; [L732] 0 int z$w_buff0; [L733] 0 _Bool z$w_buff0_used; [L734] 0 int z$w_buff1; [L735] 0 _Bool z$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L818] 0 pthread_t t2037; [L819] FCALL, FORK 0 pthread_create(&t2037, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L820] 0 pthread_t t2038; [L821] FCALL, FORK 0 pthread_create(&t2038, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 z$w_buff1 = z$w_buff0 [L742] 1 z$w_buff0 = 2 [L743] 1 z$w_buff1_used = z$w_buff0_used [L744] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L746] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L747] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L748] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L749] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L750] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 x = 2 [L773] 2 y = 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=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L822] 0 pthread_t t2039; [L823] FCALL, FORK 0 pthread_create(&t2039, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L790] 3 __unbuffered_p2_EAX = y [L793] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L756] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L757] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L757] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L758] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L759] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L760] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L765] 1 return 0; VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L777] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L777] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L778] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L779] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L779] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L780] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L796] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L796] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L797] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L797] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L798] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L798] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L799] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L799] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L800] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L800] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L825] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L829] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L829] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L830] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L830] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L831] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L831] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L832] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L832] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L833] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L833] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L836] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L837] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L838] 0 z$flush_delayed = weak$$choice2 [L839] 0 z$mem_tmp = z [L840] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L840] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L841] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L841] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L842] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L842] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L843] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L843] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L844] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L845] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L846] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p2_EAX == 1) [L848] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L848] 0 z = z$flush_delayed ? z$mem_tmp : z [L849] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 160592.9ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5051.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 143094.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 63 SDtfs, 33 SDslu, 17 SDs, 0 SdLazy, 419 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1128.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1444.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=661occurred in iteration=10, InterpolantAutomatonStates: 61, 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: 53.6ms SsaConstructionTime, 542.5ms SatisfiabilityAnalysisTime, 2116.0ms InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 1280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...