/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/mix006_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 17:00:48,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 17:00:48,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 17:00:48,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 17:00:48,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 17:00:48,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 17:00:48,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 17:00:48,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 17:00:48,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 17:00:48,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 17:00:48,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 17:00:48,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 17:00:48,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 17:00:48,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 17:00:48,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 17:00:48,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 17:00:48,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 17:00:48,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 17:00:48,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 17:00:48,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 17:00:48,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 17:00:48,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 17:00:48,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 17:00:48,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 17:00:48,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 17:00:48,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 17:00:48,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 17:00:48,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 17:00:48,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 17:00:48,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 17:00:48,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 17:00:48,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 17:00:48,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 17:00:48,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 17:00:48,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 17:00:48,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 17:00:48,908 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 17:00:48,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 17:00:48,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 17:00:48,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 17:00:48,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 17:00:48,943 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 17:00:48,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 17:00:48,945 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 17:00:48,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 17:00:48,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 17:00:48,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 17:00:48,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 17:00:48,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 17:00:48,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 17:00:48,947 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 17:00:48,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 17:00:48,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 17:00:48,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 17:00:48,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 17:00:48,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 17:00:48,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 17:00:48,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 17:00:48,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 17:00:48,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 17:00:48,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 17:00:48,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 17:00:48,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 17:00:48,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 17:00:48,951 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 17:00:48,951 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 17:00:48,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 17:00:48,952 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 17:00:49,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 17:00:49,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 17:00:49,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 17:00:49,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 17:00:49,379 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 17:00:49,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix006_pso.oepc.i [2021-04-28 17:00:49,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66712a473/64c62cc91d71460a8520d728b2ede7a3/FLAGa83d55a15 [2021-04-28 17:00:50,194 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 17:00:50,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006_pso.oepc.i [2021-04-28 17:00:50,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66712a473/64c62cc91d71460a8520d728b2ede7a3/FLAGa83d55a15 [2021-04-28 17:00:50,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66712a473/64c62cc91d71460a8520d728b2ede7a3 [2021-04-28 17:00:50,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 17:00:50,484 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 17:00:50,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 17:00:50,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 17:00:50,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 17:00:50,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:00:50" (1/1) ... [2021-04-28 17:00:50,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfafa15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:50, skipping insertion in model container [2021-04-28 17:00:50,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:00:50" (1/1) ... [2021-04-28 17:00:50,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 17:00:50,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 17:00:50,746 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/mix006_pso.oepc.i[949,962] [2021-04-28 17:00:51,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:00:51,134 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 17:00:51,151 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/mix006_pso.oepc.i[949,962] [2021-04-28 17:00:51,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:00:51,340 INFO L208 MainTranslator]: Completed translation [2021-04-28 17:00:51,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:51 WrapperNode [2021-04-28 17:00:51,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 17:00:51,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 17:00:51,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 17:00:51,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 17:00:51,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:51" (1/1) ... [2021-04-28 17:00:51,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:51" (1/1) ... [2021-04-28 17:00:51,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 17:00:51,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 17:00:51,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 17:00:51,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 17:00:51,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:51" (1/1) ... [2021-04-28 17:00:51,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:51" (1/1) ... [2021-04-28 17:00:51,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:51" (1/1) ... [2021-04-28 17:00:51,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:51" (1/1) ... [2021-04-28 17:00:51,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:51" (1/1) ... [2021-04-28 17:00:51,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:51" (1/1) ... [2021-04-28 17:00:51,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:51" (1/1) ... [2021-04-28 17:00:51,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 17:00:51,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 17:00:51,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 17:00:51,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 17:00:51,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:51" (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 17:00:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 17:00:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 17:00:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 17:00:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 17:00:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 17:00:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 17:00:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 17:00:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 17:00:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 17:00:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 17:00:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 17:00:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 17:00:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 17:00:51,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 17:00:51,613 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 17:00:54,060 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 17:00:54,061 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 17:00:54,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:00:54 BoogieIcfgContainer [2021-04-28 17:00:54,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 17:00:54,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 17:00:54,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 17:00:54,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 17:00:54,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 05:00:50" (1/3) ... [2021-04-28 17:00:54,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c0fe60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:00:54, skipping insertion in model container [2021-04-28 17:00:54,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:00:51" (2/3) ... [2021-04-28 17:00:54,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c0fe60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:00:54, skipping insertion in model container [2021-04-28 17:00:54,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:00:54" (3/3) ... [2021-04-28 17:00:54,073 INFO L111 eAbstractionObserver]: Analyzing ICFG mix006_pso.oepc.i [2021-04-28 17:00:54,080 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 17:00:54,086 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 17:00:54,087 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 17:00:54,128 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,129 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,129 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,129 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,129 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,129 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,130 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,130 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,130 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,130 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,131 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,131 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,131 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,131 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,132 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,134 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,135 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,136 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,137 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,137 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,137 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,137 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,137 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,137 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,138 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,138 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,138 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,138 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,139 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,139 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,139 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,139 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,139 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,140 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,142 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,142 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,143 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,143 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,143 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,143 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,143 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,143 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,166 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,166 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,167 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,168 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,172 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,174 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,174 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,174 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,174 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,174 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,174 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,175 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,175 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,175 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,175 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,175 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,175 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,176 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,176 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,176 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,179 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,179 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,180 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:00:54,182 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 17:00:54,206 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 17:00:54,233 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 17:00:54,233 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 17:00:54,233 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 17:00:54,233 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 17:00:54,233 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 17:00:54,233 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 17:00:54,234 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 17:00:54,234 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 17:00:54,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 102 transitions, 219 flow [2021-04-28 17:00:54,296 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-04-28 17:00:54,296 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:00:54,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-04-28 17:00:54,306 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 102 transitions, 219 flow [2021-04-28 17:00:54,316 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 99 transitions, 207 flow [2021-04-28 17:00:54,318 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:00:54,335 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 99 transitions, 207 flow [2021-04-28 17:00:54,339 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 99 transitions, 207 flow [2021-04-28 17:00:54,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 207 flow [2021-04-28 17:00:54,367 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-04-28 17:00:54,367 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:00:54,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-04-28 17:00:54,372 INFO L146 LiptonReduction]: Number of co-enabled transitions 1872 [2021-04-28 17:00:57,602 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 17:00:57,728 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:00:58,282 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 17:00:58,510 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 17:01:11,810 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:01:12,011 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:01:12,218 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 17:01:18,404 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:01:18,512 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:01:18,621 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:01:18,724 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:01:18,861 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:01:18,997 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:01:19,134 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:01:19,272 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:01:19,492 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 17:01:19,858 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:01:20,036 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:01:20,220 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:01:20,405 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:01:20,557 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:20,700 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:20,848 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:20,997 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:21,172 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:01:21,345 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:01:21,521 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:01:21,692 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:01:21,829 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:01:21,967 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:01:22,111 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:01:22,250 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:01:22,455 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:22,685 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:22,875 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:23,069 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:23,193 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:01:23,318 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:01:23,441 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:01:23,568 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:01:23,696 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:01:23,827 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:01:23,960 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:01:24,091 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:01:24,292 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:24,477 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:24,676 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:24,869 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:24,976 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:01:25,098 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:01:25,201 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:01:25,453 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:01:25,680 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:01:25,842 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:01:26,010 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:01:26,154 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:26,294 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:26,433 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:26,573 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:26,731 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:01:26,889 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:01:27,046 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:01:27,209 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:01:27,398 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:01:27,579 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:01:27,769 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:01:27,954 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:01:28,058 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:01:28,265 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:01:28,368 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:01:28,536 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:01:28,737 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:01:28,917 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:01:29,097 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:01:29,199 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:01:29,308 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:01:29,700 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:29,899 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:30,096 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:30,291 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:30,440 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:30,584 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:30,734 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:30,878 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:31,059 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:01:31,240 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:01:31,419 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:01:31,622 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 17:01:31,743 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:01:31,863 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:01:31,985 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:01:32,108 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:01:32,636 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-04-28 17:01:32,865 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 17:01:33,342 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-04-28 17:01:33,564 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 17:01:34,053 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 17:01:34,291 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 17:01:34,788 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 17:01:35,018 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 17:01:35,147 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:01:35,293 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:01:35,423 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:01:35,554 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:01:35,706 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:35,855 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:36,003 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:36,153 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:01:36,353 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:36,548 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:36,750 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:36,953 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:01:37,009 INFO L158 LiptonReduction]: Checked pairs total: 19306 [2021-04-28 17:01:37,009 INFO L160 LiptonReduction]: Total number of compositions: 259 [2021-04-28 17:01:37,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42699 [2021-04-28 17:01:37,037 INFO L129 PetriNetUnfolder]: 0/63 cut-off events. [2021-04-28 17:01:37,037 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:01:37,037 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:01:37,038 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 17:01:37,038 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 17:01:37,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:01:37,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1238045, now seen corresponding path program 1 times [2021-04-28 17:01:37,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:01:37,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286748476] [2021-04-28 17:01:37,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:01:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:01:37,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:37,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:01:37,317 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 17:01:37,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286748476] [2021-04-28 17:01:37,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:01:37,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:01:37,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380353768] [2021-04-28 17:01:37,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:01:37,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:01:37,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:01:37,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:01:37,355 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 361 [2021-04-28 17:01:37,365 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 128 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 289.6666666666667) internal successors, (869), 3 states have internal predecessors, (869), 0 states have call successors, (0), 0 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 17:01:37,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:01:37,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 361 [2021-04-28 17:01:37,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:01:37,555 INFO L129 PetriNetUnfolder]: 49/496 cut-off events. [2021-04-28 17:01:37,555 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:01:37,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 496 events. 49/496 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4164 event pairs, 38 based on Foata normal form. 35/162 useless extension candidates. Maximal degree in co-relation 526. Up to 65 conditions per place. [2021-04-28 17:01:37,562 INFO L132 encePairwiseOnDemand]: 345/361 looper letters, 9 selfloop transitions, 2 changer transitions 58/128 dead transitions. [2021-04-28 17:01:37,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 128 transitions, 307 flow [2021-04-28 17:01:37,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:01:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:01:37,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 895 transitions. [2021-04-28 17:01:37,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8264081255771006 [2021-04-28 17:01:37,584 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 895 transitions. [2021-04-28 17:01:37,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 895 transitions. [2021-04-28 17:01:37,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:01:37,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 895 transitions. [2021-04-28 17:01:37,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 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 17:01:37,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 361.0) internal successors, (1444), 4 states have internal predecessors, (1444), 0 states have call successors, (0), 0 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 17:01:37,619 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 361.0) internal successors, (1444), 4 states have internal predecessors, (1444), 0 states have call successors, (0), 0 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 17:01:37,622 INFO L185 Difference]: Start difference. First operand has 137 places, 128 transitions, 265 flow. Second operand 3 states and 895 transitions. [2021-04-28 17:01:37,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 128 transitions, 307 flow [2021-04-28 17:01:37,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 128 transitions, 304 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 17:01:37,635 INFO L241 Difference]: Finished difference. Result has 133 places, 66 transitions, 142 flow [2021-04-28 17:01:37,638 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=133, PETRI_TRANSITIONS=66} [2021-04-28 17:01:37,639 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -4 predicate places. [2021-04-28 17:01:37,639 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:01:37,639 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 66 transitions, 142 flow [2021-04-28 17:01:37,641 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 66 transitions, 142 flow [2021-04-28 17:01:37,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 66 transitions, 142 flow [2021-04-28 17:01:37,658 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-04-28 17:01:37,658 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:01:37,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 66 events. 0/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 329 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 17:01:37,661 INFO L146 LiptonReduction]: Number of co-enabled transitions 2110 [2021-04-28 17:01:37,815 INFO L158 LiptonReduction]: Checked pairs total: 2854 [2021-04-28 17:01:37,815 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:01:37,816 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-04-28 17:01:37,819 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 66 transitions, 142 flow [2021-04-28 17:01:37,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 289.6666666666667) internal successors, (869), 3 states have internal predecessors, (869), 0 states have call successors, (0), 0 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 17:01:37,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:01:37,820 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:01:37,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 17:01:37,821 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 17:01:37,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:01:37,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1626806756, now seen corresponding path program 1 times [2021-04-28 17:01:37,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:01:37,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8633880] [2021-04-28 17:01:37,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:01:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:01:38,058 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:01:38,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:01:38,070 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 17:01:38,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8633880] [2021-04-28 17:01:38,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:01:38,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:01:38,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391853232] [2021-04-28 17:01:38,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:01:38,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:01:38,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:01:38,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:01:38,088 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 361 [2021-04-28 17:01:38,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 66 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 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 17:01:38,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:01:38,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 361 [2021-04-28 17:01:38,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:01:38,917 INFO L129 PetriNetUnfolder]: 1593/4679 cut-off events. [2021-04-28 17:01:38,918 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:01:38,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7262 conditions, 4679 events. 1593/4679 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 705. Compared 54458 event pairs, 583 based on Foata normal form. 0/2845 useless extension candidates. Maximal degree in co-relation 7253. Up to 1672 conditions per place. [2021-04-28 17:01:38,939 INFO L132 encePairwiseOnDemand]: 341/361 looper letters, 7 selfloop transitions, 7 changer transitions 44/93 dead transitions. [2021-04-28 17:01:38,939 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 93 transitions, 312 flow [2021-04-28 17:01:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:01:38,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:01:38,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 766 transitions. [2021-04-28 17:01:38,943 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7072945521698984 [2021-04-28 17:01:38,943 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 766 transitions. [2021-04-28 17:01:38,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 766 transitions. [2021-04-28 17:01:38,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:01:38,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 766 transitions. [2021-04-28 17:01:38,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 0 states have call successors, (0), 0 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 17:01:38,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 361.0) internal successors, (1444), 4 states have internal predecessors, (1444), 0 states have call successors, (0), 0 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 17:01:38,951 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 361.0) internal successors, (1444), 4 states have internal predecessors, (1444), 0 states have call successors, (0), 0 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 17:01:38,951 INFO L185 Difference]: Start difference. First operand has 75 places, 66 transitions, 142 flow. Second operand 3 states and 766 transitions. [2021-04-28 17:01:38,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 93 transitions, 312 flow [2021-04-28 17:01:38,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 93 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:01:38,954 INFO L241 Difference]: Finished difference. Result has 77 places, 49 transitions, 146 flow [2021-04-28 17:01:38,954 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=77, PETRI_TRANSITIONS=49} [2021-04-28 17:01:38,955 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -60 predicate places. [2021-04-28 17:01:38,955 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:01:38,955 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 49 transitions, 146 flow [2021-04-28 17:01:38,955 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 49 transitions, 146 flow [2021-04-28 17:01:38,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 49 transitions, 146 flow [2021-04-28 17:01:39,008 INFO L129 PetriNetUnfolder]: 72/351 cut-off events. [2021-04-28 17:01:39,009 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2021-04-28 17:01:39,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 351 events. 72/351 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2538 event pairs, 33 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 548. Up to 117 conditions per place. [2021-04-28 17:01:39,017 INFO L146 LiptonReduction]: Number of co-enabled transitions 1278 [2021-04-28 17:01:39,400 INFO L158 LiptonReduction]: Checked pairs total: 831 [2021-04-28 17:01:39,400 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:01:39,401 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 446 [2021-04-28 17:01:39,403 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 49 transitions, 146 flow [2021-04-28 17:01:39,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 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 17:01:39,404 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:01:39,404 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:01:39,404 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 17:01:39,405 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 17:01:39,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:01:39,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2028457995, now seen corresponding path program 1 times [2021-04-28 17:01:39,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:01:39,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635861460] [2021-04-28 17:01:39,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:01:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:01:39,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:39,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:01:39,479 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:01:39,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:01:39,491 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 17:01:39,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635861460] [2021-04-28 17:01:39,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:01:39,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:01:39,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395113232] [2021-04-28 17:01:39,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:01:39,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:01:39,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:01:39,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:01:39,496 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 361 [2021-04-28 17:01:39,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 49 transitions, 146 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 17:01:39,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:01:39,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 361 [2021-04-28 17:01:39,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:01:39,578 INFO L129 PetriNetUnfolder]: 57/259 cut-off events. [2021-04-28 17:01:39,578 INFO L130 PetriNetUnfolder]: For 43/140 co-relation queries the response was YES. [2021-04-28 17:01:39,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 550 conditions, 259 events. 57/259 cut-off events. For 43/140 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1539 event pairs, 8 based on Foata normal form. 2/182 useless extension candidates. Maximal degree in co-relation 539. Up to 96 conditions per place. [2021-04-28 17:01:39,581 INFO L132 encePairwiseOnDemand]: 353/361 looper letters, 12 selfloop transitions, 8 changer transitions 0/55 dead transitions. [2021-04-28 17:01:39,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 55 transitions, 218 flow [2021-04-28 17:01:39,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:01:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:01:39,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 965 transitions. [2021-04-28 17:01:39,585 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6682825484764543 [2021-04-28 17:01:39,585 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 965 transitions. [2021-04-28 17:01:39,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 965 transitions. [2021-04-28 17:01:39,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:01:39,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 965 transitions. [2021-04-28 17:01:39,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 241.25) internal successors, (965), 4 states have internal predecessors, (965), 0 states have call successors, (0), 0 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 17:01:39,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 361.0) internal successors, (1805), 5 states have internal predecessors, (1805), 0 states have call successors, (0), 0 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 17:01:39,595 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 361.0) internal successors, (1805), 5 states have internal predecessors, (1805), 0 states have call successors, (0), 0 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 17:01:39,595 INFO L185 Difference]: Start difference. First operand has 54 places, 49 transitions, 146 flow. Second operand 4 states and 965 transitions. [2021-04-28 17:01:39,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 55 transitions, 218 flow [2021-04-28 17:01:39,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 55 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:01:39,599 INFO L241 Difference]: Finished difference. Result has 58 places, 53 transitions, 190 flow [2021-04-28 17:01:39,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=190, PETRI_PLACES=58, PETRI_TRANSITIONS=53} [2021-04-28 17:01:39,600 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -79 predicate places. [2021-04-28 17:01:39,600 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:01:39,600 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 53 transitions, 190 flow [2021-04-28 17:01:39,600 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 53 transitions, 190 flow [2021-04-28 17:01:39,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 53 transitions, 190 flow [2021-04-28 17:01:39,645 INFO L129 PetriNetUnfolder]: 57/299 cut-off events. [2021-04-28 17:01:39,645 INFO L130 PetriNetUnfolder]: For 91/95 co-relation queries the response was YES. [2021-04-28 17:01:39,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 545 conditions, 299 events. 57/299 cut-off events. For 91/95 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2043 event pairs, 21 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 533. Up to 96 conditions per place. [2021-04-28 17:01:39,652 INFO L146 LiptonReduction]: Number of co-enabled transitions 1394 [2021-04-28 17:01:39,747 INFO L158 LiptonReduction]: Checked pairs total: 901 [2021-04-28 17:01:39,747 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:01:39,748 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 148 [2021-04-28 17:01:39,749 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 53 transitions, 190 flow [2021-04-28 17:01:39,750 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 17:01:39,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:01:39,751 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:01:39,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 17:01:39,751 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 17:01:39,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:01:39,752 INFO L82 PathProgramCache]: Analyzing trace with hash -35348856, now seen corresponding path program 1 times [2021-04-28 17:01:39,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:01:39,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317690069] [2021-04-28 17:01:39,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:01:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:01:39,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:39,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:01:39,811 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 17:01:39,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317690069] [2021-04-28 17:01:39,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:01:39,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:01:39,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64991975] [2021-04-28 17:01:39,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:01:39,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:01:39,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:01:39,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:01:39,815 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 361 [2021-04-28 17:01:39,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 53 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 270.6666666666667) internal successors, (812), 3 states have internal predecessors, (812), 0 states have call successors, (0), 0 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 17:01:39,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:01:39,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 361 [2021-04-28 17:01:39,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:01:39,862 INFO L129 PetriNetUnfolder]: 51/249 cut-off events. [2021-04-28 17:01:39,863 INFO L130 PetriNetUnfolder]: For 143/164 co-relation queries the response was YES. [2021-04-28 17:01:39,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 532 conditions, 249 events. 51/249 cut-off events. For 143/164 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1502 event pairs, 23 based on Foata normal form. 3/174 useless extension candidates. Maximal degree in co-relation 518. Up to 88 conditions per place. [2021-04-28 17:01:39,866 INFO L132 encePairwiseOnDemand]: 357/361 looper letters, 9 selfloop transitions, 5 changer transitions 0/56 dead transitions. [2021-04-28 17:01:39,866 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 56 transitions, 236 flow [2021-04-28 17:01:39,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:01:39,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:01:39,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 818 transitions. [2021-04-28 17:01:39,869 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7553093259464451 [2021-04-28 17:01:39,870 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 818 transitions. [2021-04-28 17:01:39,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 818 transitions. [2021-04-28 17:01:39,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:01:39,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 818 transitions. [2021-04-28 17:01:39,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 272.6666666666667) internal successors, (818), 3 states have internal predecessors, (818), 0 states have call successors, (0), 0 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 17:01:39,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 361.0) internal successors, (1444), 4 states have internal predecessors, (1444), 0 states have call successors, (0), 0 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 17:01:39,877 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 361.0) internal successors, (1444), 4 states have internal predecessors, (1444), 0 states have call successors, (0), 0 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 17:01:39,877 INFO L185 Difference]: Start difference. First operand has 58 places, 53 transitions, 190 flow. Second operand 3 states and 818 transitions. [2021-04-28 17:01:39,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 56 transitions, 236 flow [2021-04-28 17:01:39,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 56 transitions, 233 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 17:01:39,882 INFO L241 Difference]: Finished difference. Result has 60 places, 56 transitions, 228 flow [2021-04-28 17:01:39,882 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=60, PETRI_TRANSITIONS=56} [2021-04-28 17:01:39,882 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -77 predicate places. [2021-04-28 17:01:39,882 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:01:39,883 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 56 transitions, 228 flow [2021-04-28 17:01:39,883 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 56 transitions, 228 flow [2021-04-28 17:01:39,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions, 228 flow [2021-04-28 17:01:39,924 INFO L129 PetriNetUnfolder]: 51/265 cut-off events. [2021-04-28 17:01:39,924 INFO L130 PetriNetUnfolder]: For 138/143 co-relation queries the response was YES. [2021-04-28 17:01:39,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 265 events. 51/265 cut-off events. For 138/143 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1712 event pairs, 17 based on Foata normal form. 1/183 useless extension candidates. Maximal degree in co-relation 520. Up to 88 conditions per place. [2021-04-28 17:01:39,932 INFO L146 LiptonReduction]: Number of co-enabled transitions 1488 [2021-04-28 17:01:39,939 INFO L158 LiptonReduction]: Checked pairs total: 960 [2021-04-28 17:01:39,939 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:01:39,939 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-04-28 17:01:39,941 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 56 transitions, 228 flow [2021-04-28 17:01:39,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 270.6666666666667) internal successors, (812), 3 states have internal predecessors, (812), 0 states have call successors, (0), 0 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 17:01:39,942 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:01:39,942 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:01:39,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 17:01:39,942 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 17:01:39,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:01:39,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1054340061, now seen corresponding path program 1 times [2021-04-28 17:01:39,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:01:39,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906235529] [2021-04-28 17:01:39,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:01:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:01:39,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:39,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:01:40,000 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:01:40,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:01:40,014 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 17:01:40,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906235529] [2021-04-28 17:01:40,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:01:40,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:01:40,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188980074] [2021-04-28 17:01:40,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:01:40,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:01:40,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:01:40,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:01:40,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 361 [2021-04-28 17:01:40,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 56 transitions, 228 flow. Second operand has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 17:01:40,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:01:40,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 361 [2021-04-28 17:01:40,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:01:40,084 INFO L129 PetriNetUnfolder]: 39/213 cut-off events. [2021-04-28 17:01:40,084 INFO L130 PetriNetUnfolder]: For 149/222 co-relation queries the response was YES. [2021-04-28 17:01:40,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 523 conditions, 213 events. 39/213 cut-off events. For 149/222 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1227 event pairs, 4 based on Foata normal form. 10/154 useless extension candidates. Maximal degree in co-relation 507. Up to 70 conditions per place. [2021-04-28 17:01:40,087 INFO L132 encePairwiseOnDemand]: 354/361 looper letters, 17 selfloop transitions, 10 changer transitions 0/62 dead transitions. [2021-04-28 17:01:40,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 62 transitions, 324 flow [2021-04-28 17:01:40,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 17:01:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 17:01:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 963 transitions. [2021-04-28 17:01:40,091 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6668975069252078 [2021-04-28 17:01:40,091 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 963 transitions. [2021-04-28 17:01:40,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 963 transitions. [2021-04-28 17:01:40,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:01:40,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 963 transitions. [2021-04-28 17:01:40,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 240.75) internal successors, (963), 4 states have internal predecessors, (963), 0 states have call successors, (0), 0 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 17:01:40,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 361.0) internal successors, (1805), 5 states have internal predecessors, (1805), 0 states have call successors, (0), 0 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 17:01:40,101 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 361.0) internal successors, (1805), 5 states have internal predecessors, (1805), 0 states have call successors, (0), 0 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 17:01:40,101 INFO L185 Difference]: Start difference. First operand has 60 places, 56 transitions, 228 flow. Second operand 4 states and 963 transitions. [2021-04-28 17:01:40,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 62 transitions, 324 flow [2021-04-28 17:01:40,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 62 transitions, 317 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 17:01:40,105 INFO L241 Difference]: Finished difference. Result has 65 places, 60 transitions, 302 flow [2021-04-28 17:01:40,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=302, PETRI_PLACES=65, PETRI_TRANSITIONS=60} [2021-04-28 17:01:40,106 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -72 predicate places. [2021-04-28 17:01:40,106 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:01:40,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 60 transitions, 302 flow [2021-04-28 17:01:40,106 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 60 transitions, 302 flow [2021-04-28 17:01:40,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 60 transitions, 302 flow [2021-04-28 17:01:40,142 INFO L129 PetriNetUnfolder]: 39/221 cut-off events. [2021-04-28 17:01:40,142 INFO L130 PetriNetUnfolder]: For 221/224 co-relation queries the response was YES. [2021-04-28 17:01:40,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 221 events. 39/221 cut-off events. For 221/224 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1339 event pairs, 12 based on Foata normal form. 1/151 useless extension candidates. Maximal degree in co-relation 499. Up to 70 conditions per place. [2021-04-28 17:01:40,148 INFO L146 LiptonReduction]: Number of co-enabled transitions 1610 [2021-04-28 17:01:40,435 INFO L158 LiptonReduction]: Checked pairs total: 1095 [2021-04-28 17:01:40,435 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:01:40,436 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 330 [2021-04-28 17:01:40,437 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 60 transitions, 302 flow [2021-04-28 17:01:40,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 0 states have call successors, (0), 0 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 17:01:40,438 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:01:40,438 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:01:40,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 17:01:40,439 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 17:01:40,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:01:40,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1284809483, now seen corresponding path program 1 times [2021-04-28 17:01:40,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:01:40,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058527571] [2021-04-28 17:01:40,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:01:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:01:40,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:40,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:01:40,498 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:01:40,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:01:40,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:40,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:01:40,508 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 17:01:40,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058527571] [2021-04-28 17:01:40,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:01:40,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:01:40,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535665917] [2021-04-28 17:01:40,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:01:40,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:01:40,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:01:40,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:01:40,512 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 361 [2021-04-28 17:01:40,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 60 transitions, 302 flow. Second operand has 4 states, 4 states have (on average 256.75) internal successors, (1027), 4 states have internal predecessors, (1027), 0 states have call successors, (0), 0 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 17:01:40,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:01:40,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 361 [2021-04-28 17:01:40,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:01:41,818 INFO L129 PetriNetUnfolder]: 6348/11084 cut-off events. [2021-04-28 17:01:41,819 INFO L130 PetriNetUnfolder]: For 853/885 co-relation queries the response was YES. [2021-04-28 17:01:41,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22637 conditions, 11084 events. 6348/11084 cut-off events. For 853/885 co-relation queries the response was YES. Maximal size of possible extension queue 2373. Compared 107274 event pairs, 2669 based on Foata normal form. 265/3283 useless extension candidates. Maximal degree in co-relation 22617. Up to 7003 conditions per place. [2021-04-28 17:01:41,927 INFO L132 encePairwiseOnDemand]: 344/361 looper letters, 28 selfloop transitions, 27 changer transitions 0/95 dead transitions. [2021-04-28 17:01:41,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 95 transitions, 482 flow [2021-04-28 17:01:41,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:01:41,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:01:41,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1334 transitions. [2021-04-28 17:01:41,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7390581717451523 [2021-04-28 17:01:41,932 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1334 transitions. [2021-04-28 17:01:41,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1334 transitions. [2021-04-28 17:01:41,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:01:41,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1334 transitions. [2021-04-28 17:01:41,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 266.8) internal successors, (1334), 5 states have internal predecessors, (1334), 0 states have call successors, (0), 0 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 17:01:41,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 361.0) internal successors, (2166), 6 states have internal predecessors, (2166), 0 states have call successors, (0), 0 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 17:01:41,942 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 361.0) internal successors, (2166), 6 states have internal predecessors, (2166), 0 states have call successors, (0), 0 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 17:01:41,943 INFO L185 Difference]: Start difference. First operand has 65 places, 60 transitions, 302 flow. Second operand 5 states and 1334 transitions. [2021-04-28 17:01:41,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 95 transitions, 482 flow [2021-04-28 17:01:41,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 95 transitions, 478 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 17:01:41,952 INFO L241 Difference]: Finished difference. Result has 71 places, 85 transitions, 499 flow [2021-04-28 17:01:41,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=499, PETRI_PLACES=71, PETRI_TRANSITIONS=85} [2021-04-28 17:01:41,953 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -66 predicate places. [2021-04-28 17:01:41,953 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:01:41,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 85 transitions, 499 flow [2021-04-28 17:01:41,953 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 85 transitions, 499 flow [2021-04-28 17:01:41,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 85 transitions, 499 flow [2021-04-28 17:01:42,805 INFO L129 PetriNetUnfolder]: 5158/9243 cut-off events. [2021-04-28 17:01:42,805 INFO L130 PetriNetUnfolder]: For 3210/4955 co-relation queries the response was YES. [2021-04-28 17:01:42,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26258 conditions, 9243 events. 5158/9243 cut-off events. For 3210/4955 co-relation queries the response was YES. Maximal size of possible extension queue 1899. Compared 91262 event pairs, 2306 based on Foata normal form. 12/2902 useless extension candidates. Maximal degree in co-relation 26236. Up to 8174 conditions per place. [2021-04-28 17:01:42,963 INFO L146 LiptonReduction]: Number of co-enabled transitions 2386 [2021-04-28 17:01:43,464 INFO L158 LiptonReduction]: Checked pairs total: 1992 [2021-04-28 17:01:43,464 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:01:43,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1511 [2021-04-28 17:01:43,466 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 85 transitions, 499 flow [2021-04-28 17:01:43,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 256.75) internal successors, (1027), 4 states have internal predecessors, (1027), 0 states have call successors, (0), 0 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 17:01:43,466 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:01:43,466 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:01:43,467 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 17:01:43,467 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 17:01:43,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:01:43,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1132478322, now seen corresponding path program 1 times [2021-04-28 17:01:43,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:01:43,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321113174] [2021-04-28 17:01:43,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:01:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:01:43,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:43,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:01:43,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:43,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:01:43,531 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 17:01:43,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 17:01:43,544 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 17:01:43,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321113174] [2021-04-28 17:01:43,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:01:43,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:01:43,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681196121] [2021-04-28 17:01:43,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:01:43,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:01:43,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:01:43,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:01:43,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 361 [2021-04-28 17:01:43,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 85 transitions, 499 flow. Second operand has 4 states, 4 states have (on average 206.75) internal successors, (827), 4 states have internal predecessors, (827), 0 states have call successors, (0), 0 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 17:01:43,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:01:43,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 361 [2021-04-28 17:01:43,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:01:44,866 INFO L129 PetriNetUnfolder]: 7561/13342 cut-off events. [2021-04-28 17:01:44,866 INFO L130 PetriNetUnfolder]: For 5037/15262 co-relation queries the response was YES. [2021-04-28 17:01:44,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37930 conditions, 13342 events. 7561/13342 cut-off events. For 5037/15262 co-relation queries the response was YES. Maximal size of possible extension queue 3060. Compared 134448 event pairs, 3423 based on Foata normal form. 105/3855 useless extension candidates. Maximal degree in co-relation 37906. Up to 11906 conditions per place. [2021-04-28 17:01:45,004 INFO L132 encePairwiseOnDemand]: 352/361 looper letters, 14 selfloop transitions, 26 changer transitions 0/99 dead transitions. [2021-04-28 17:01:45,004 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 99 transitions, 684 flow [2021-04-28 17:01:45,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:01:45,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:01:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1049 transitions. [2021-04-28 17:01:45,009 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5811634349030471 [2021-04-28 17:01:45,009 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1049 transitions. [2021-04-28 17:01:45,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1049 transitions. [2021-04-28 17:01:45,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:01:45,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1049 transitions. [2021-04-28 17:01:45,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.8) internal successors, (1049), 5 states have internal predecessors, (1049), 0 states have call successors, (0), 0 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 17:01:45,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 361.0) internal successors, (2166), 6 states have internal predecessors, (2166), 0 states have call successors, (0), 0 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 17:01:45,018 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 361.0) internal successors, (2166), 6 states have internal predecessors, (2166), 0 states have call successors, (0), 0 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 17:01:45,018 INFO L185 Difference]: Start difference. First operand has 71 places, 85 transitions, 499 flow. Second operand 5 states and 1049 transitions. [2021-04-28 17:01:45,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 99 transitions, 684 flow [2021-04-28 17:01:45,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 99 transitions, 684 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 17:01:45,089 INFO L241 Difference]: Finished difference. Result has 78 places, 97 transitions, 701 flow [2021-04-28 17:01:45,089 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=701, PETRI_PLACES=78, PETRI_TRANSITIONS=97} [2021-04-28 17:01:45,089 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -59 predicate places. [2021-04-28 17:01:45,089 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:01:45,089 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 97 transitions, 701 flow [2021-04-28 17:01:45,090 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 97 transitions, 701 flow [2021-04-28 17:01:45,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 97 transitions, 701 flow [2021-04-28 17:01:46,246 INFO L129 PetriNetUnfolder]: 7688/13455 cut-off events. [2021-04-28 17:01:46,247 INFO L130 PetriNetUnfolder]: For 4941/14731 co-relation queries the response was YES. [2021-04-28 17:01:46,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38515 conditions, 13455 events. 7688/13455 cut-off events. For 4941/14731 co-relation queries the response was YES. Maximal size of possible extension queue 2976. Compared 137923 event pairs, 3426 based on Foata normal form. 13/3852 useless extension candidates. Maximal degree in co-relation 38488. Up to 12098 conditions per place. [2021-04-28 17:01:46,439 INFO L146 LiptonReduction]: Number of co-enabled transitions 3032 [2021-04-28 17:01:48,662 INFO L158 LiptonReduction]: Checked pairs total: 2238 [2021-04-28 17:01:48,663 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:01:48,663 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3574 [2021-04-28 17:01:48,664 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 97 transitions, 701 flow [2021-04-28 17:01:48,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 206.75) internal successors, (827), 4 states have internal predecessors, (827), 0 states have call successors, (0), 0 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 17:01:48,665 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:01:48,665 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:01:48,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 17:01:48,665 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 17:01:48,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:01:48,666 INFO L82 PathProgramCache]: Analyzing trace with hash -25587636, now seen corresponding path program 2 times [2021-04-28 17:01:48,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:01:48,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832327227] [2021-04-28 17:01:48,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:01:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:01:48,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:48,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:01:48,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:48,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:01:48,746 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:01:48,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:01:48,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:48,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:01:48,757 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 17:01:48,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832327227] [2021-04-28 17:01:48,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:01:48,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:01:48,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150045438] [2021-04-28 17:01:48,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:01:48,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:01:48,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:01:48,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:01:48,761 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 361 [2021-04-28 17:01:48,762 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 97 transitions, 701 flow. Second operand has 5 states, 5 states have (on average 256.8) internal successors, (1284), 5 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 17:01:48,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:01:48,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 361 [2021-04-28 17:01:48,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:01:50,598 INFO L129 PetriNetUnfolder]: 7685/15019 cut-off events. [2021-04-28 17:01:50,599 INFO L130 PetriNetUnfolder]: For 7446/45596 co-relation queries the response was YES. [2021-04-28 17:01:50,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56928 conditions, 15019 events. 7685/15019 cut-off events. For 7446/45596 co-relation queries the response was YES. Maximal size of possible extension queue 3426. Compared 166402 event pairs, 688 based on Foata normal form. 499/5170 useless extension candidates. Maximal degree in co-relation 56899. Up to 13244 conditions per place. [2021-04-28 17:01:50,694 INFO L132 encePairwiseOnDemand]: 344/361 looper letters, 20 selfloop transitions, 52 changer transitions 9/133 dead transitions. [2021-04-28 17:01:50,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 133 transitions, 1058 flow [2021-04-28 17:01:50,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 17:01:50,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 17:01:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1870 transitions. [2021-04-28 17:01:50,702 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.74000791452315 [2021-04-28 17:01:50,702 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1870 transitions. [2021-04-28 17:01:50,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1870 transitions. [2021-04-28 17:01:50,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:01:50,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1870 transitions. [2021-04-28 17:01:50,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 267.14285714285717) internal successors, (1870), 7 states have internal predecessors, (1870), 0 states have call successors, (0), 0 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 17:01:50,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 361.0) internal successors, (2888), 8 states have internal predecessors, (2888), 0 states have call successors, (0), 0 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 17:01:50,716 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 361.0) internal successors, (2888), 8 states have internal predecessors, (2888), 0 states have call successors, (0), 0 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 17:01:50,716 INFO L185 Difference]: Start difference. First operand has 78 places, 97 transitions, 701 flow. Second operand 7 states and 1870 transitions. [2021-04-28 17:01:50,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 133 transitions, 1058 flow [2021-04-28 17:01:50,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 133 transitions, 1052 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-04-28 17:01:50,808 INFO L241 Difference]: Finished difference. Result has 87 places, 122 transitions, 1032 flow [2021-04-28 17:01:50,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1032, PETRI_PLACES=87, PETRI_TRANSITIONS=122} [2021-04-28 17:01:50,808 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -50 predicate places. [2021-04-28 17:01:50,808 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:01:50,809 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 122 transitions, 1032 flow [2021-04-28 17:01:50,809 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 122 transitions, 1032 flow [2021-04-28 17:01:50,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 122 transitions, 1032 flow [2021-04-28 17:01:52,113 INFO L129 PetriNetUnfolder]: 4824/10807 cut-off events. [2021-04-28 17:01:52,113 INFO L130 PetriNetUnfolder]: For 20313/55341 co-relation queries the response was YES. [2021-04-28 17:01:52,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46375 conditions, 10807 events. 4824/10807 cut-off events. For 20313/55341 co-relation queries the response was YES. Maximal size of possible extension queue 2884. Compared 131124 event pairs, 675 based on Foata normal form. 0/3088 useless extension candidates. Maximal degree in co-relation 46343. Up to 9395 conditions per place. [2021-04-28 17:01:52,250 INFO L146 LiptonReduction]: Number of co-enabled transitions 3588 [2021-04-28 17:01:53,339 INFO L158 LiptonReduction]: Checked pairs total: 4045 [2021-04-28 17:01:53,339 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:01:53,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2532 [2021-04-28 17:01:53,342 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 122 transitions, 1032 flow [2021-04-28 17:01:53,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 256.8) internal successors, (1284), 5 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 17:01:53,343 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:01:53,343 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 17:01:53,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 17:01:53,343 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 17:01:53,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:01:53,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1460121305, now seen corresponding path program 1 times [2021-04-28 17:01:53,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:01:53,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906105990] [2021-04-28 17:01:53,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:01:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:01:53,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:53,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:01:53,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:53,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:01:53,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:53,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:01:53,470 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:01:53,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:01:53,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:01:53,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:01:53,482 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 17:01:53,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906105990] [2021-04-28 17:01:53,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:01:53,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 17:01:53,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237279402] [2021-04-28 17:01:53,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 17:01:53,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:01:53,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 17:01:53,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 17:01:53,486 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 361 [2021-04-28 17:01:53,488 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 122 transitions, 1032 flow. Second operand has 6 states, 6 states have (on average 256.8333333333333) internal successors, (1541), 6 states have internal predecessors, (1541), 0 states have call successors, (0), 0 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 17:01:53,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:01:53,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 361 [2021-04-28 17:01:53,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:01:55,236 INFO L129 PetriNetUnfolder]: 4490/10843 cut-off events. [2021-04-28 17:01:55,236 INFO L130 PetriNetUnfolder]: For 18247/130255 co-relation queries the response was YES. [2021-04-28 17:01:55,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56484 conditions, 10843 events. 4490/10843 cut-off events. For 18247/130255 co-relation queries the response was YES. Maximal size of possible extension queue 3048. Compared 134749 event pairs, 4 based on Foata normal form. 439/3598 useless extension candidates. Maximal degree in co-relation 56450. Up to 9347 conditions per place. [2021-04-28 17:01:55,309 INFO L132 encePairwiseOnDemand]: 344/361 looper letters, 5 selfloop transitions, 67 changer transitions 17/141 dead transitions. [2021-04-28 17:01:55,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 141 transitions, 1332 flow [2021-04-28 17:01:55,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 17:01:55,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 17:01:55,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2388 transitions. [2021-04-28 17:01:55,317 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7349953831948292 [2021-04-28 17:01:55,317 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2388 transitions. [2021-04-28 17:01:55,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2388 transitions. [2021-04-28 17:01:55,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:01:55,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2388 transitions. [2021-04-28 17:01:55,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 265.3333333333333) internal successors, (2388), 9 states have internal predecessors, (2388), 0 states have call successors, (0), 0 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 17:01:55,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 361.0) internal successors, (3610), 10 states have internal predecessors, (3610), 0 states have call successors, (0), 0 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 17:01:55,333 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 361.0) internal successors, (3610), 10 states have internal predecessors, (3610), 0 states have call successors, (0), 0 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 17:01:55,333 INFO L185 Difference]: Start difference. First operand has 87 places, 122 transitions, 1032 flow. Second operand 9 states and 2388 transitions. [2021-04-28 17:01:55,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 141 transitions, 1332 flow [2021-04-28 17:01:56,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 141 transitions, 1186 flow, removed 45 selfloop flow, removed 5 redundant places. [2021-04-28 17:01:56,958 INFO L241 Difference]: Finished difference. Result has 93 places, 122 transitions, 1068 flow [2021-04-28 17:01:56,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=887, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1068, PETRI_PLACES=93, PETRI_TRANSITIONS=122} [2021-04-28 17:01:56,958 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -44 predicate places. [2021-04-28 17:01:56,958 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:01:56,959 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 122 transitions, 1068 flow [2021-04-28 17:01:56,959 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 122 transitions, 1068 flow [2021-04-28 17:01:56,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 122 transitions, 1068 flow [2021-04-28 17:01:57,526 INFO L129 PetriNetUnfolder]: 2846/7767 cut-off events. [2021-04-28 17:01:57,527 INFO L130 PetriNetUnfolder]: For 11005/30990 co-relation queries the response was YES. [2021-04-28 17:01:57,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33602 conditions, 7767 events. 2846/7767 cut-off events. For 11005/30990 co-relation queries the response was YES. Maximal size of possible extension queue 2693. Compared 101519 event pairs, 3 based on Foata normal form. 1/2099 useless extension candidates. Maximal degree in co-relation 33569. Up to 5643 conditions per place. [2021-04-28 17:01:57,733 INFO L146 LiptonReduction]: Number of co-enabled transitions 3468 [2021-04-28 17:01:59,801 INFO L158 LiptonReduction]: Checked pairs total: 3880 [2021-04-28 17:01:59,801 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:01:59,801 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2843 [2021-04-28 17:01:59,803 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 122 transitions, 1068 flow [2021-04-28 17:01:59,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 256.8333333333333) internal successors, (1541), 6 states have internal predecessors, (1541), 0 states have call successors, (0), 0 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 17:01:59,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:01:59,804 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, 1, 1, 1] [2021-04-28 17:01:59,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 17:01:59,804 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 17:01:59,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:01:59,805 INFO L82 PathProgramCache]: Analyzing trace with hash 970906993, now seen corresponding path program 1 times [2021-04-28 17:01:59,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:01:59,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104826233] [2021-04-28 17:01:59,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:01:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 17:01:59,878 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 17:01:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 17:01:59,943 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 17:01:59,983 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 17:01:59,983 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 17:01:59,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 17:02:00,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 05:02:00 BasicIcfg [2021-04-28 17:02:00,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 17:02:00,094 INFO L168 Benchmark]: Toolchain (without parser) took 69670.05 ms. Allocated memory was 302.0 MB in the beginning and 5.4 GB in the end (delta: 5.1 GB). Free memory was 276.7 MB in the beginning and 4.9 GB in the end (delta: -4.6 GB). Peak memory consumption was 452.9 MB. Max. memory is 16.0 GB. [2021-04-28 17:02:00,094 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 17:02:00,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.97 ms. Allocated memory is still 302.0 MB. Free memory was 273.7 MB in the beginning and 279.9 MB in the end (delta: -6.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.0 GB. [2021-04-28 17:02:00,095 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.11 ms. Allocated memory is still 302.0 MB. Free memory was 279.9 MB in the beginning and 277.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 17:02:00,095 INFO L168 Benchmark]: Boogie Preprocessor took 40.75 ms. Allocated memory is still 302.0 MB. Free memory was 277.8 MB in the beginning and 275.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 17:02:00,096 INFO L168 Benchmark]: RCFGBuilder took 2557.41 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 275.7 MB in the beginning and 273.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 172.1 MB. Max. memory is 16.0 GB. [2021-04-28 17:02:00,096 INFO L168 Benchmark]: TraceAbstraction took 66027.78 ms. Allocated memory was 362.8 MB in the beginning and 5.4 GB in the end (delta: 5.0 GB). Free memory was 273.5 MB in the beginning and 4.9 GB in the end (delta: -4.6 GB). Peak memory consumption was 385.7 MB. Max. memory is 16.0 GB. [2021-04-28 17:02:00,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 852.97 ms. Allocated memory is still 302.0 MB. Free memory was 273.7 MB in the beginning and 279.9 MB in the end (delta: -6.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 122.11 ms. Allocated memory is still 302.0 MB. Free memory was 279.9 MB in the beginning and 277.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.75 ms. Allocated memory is still 302.0 MB. Free memory was 277.8 MB in the beginning and 275.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2557.41 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 275.7 MB in the beginning and 273.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 172.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 66027.78 ms. Allocated memory was 362.8 MB in the beginning and 5.4 GB in the end (delta: 5.0 GB). Free memory was 273.5 MB in the beginning and 4.9 GB in the end (delta: -4.6 GB). Peak memory consumption was 385.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42670.1ms, 107 PlacesBefore, 137 PlacesAfterwards, 99 TransitionsBefore, 128 TransitionsAfterwards, 1872 CoEnabledTransitionPairs, 9 FixpointIterations, 170 TrivialSequentialCompositions, 87 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 259 TotalNumberOfCompositions, 19306 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5805, positive: 5475, positive conditional: 5475, positive unconditional: 0, negative: 330, negative conditional: 330, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2403, positive: 2328, positive conditional: 0, positive unconditional: 2328, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2403, positive: 2328, positive conditional: 0, positive unconditional: 2328, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2403, positive: 2304, positive conditional: 0, positive unconditional: 2304, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 99, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1453, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 1366, negative conditional: 0, negative unconditional: 1366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5805, positive: 3147, positive conditional: 3147, positive unconditional: 0, negative: 255, negative conditional: 255, negative unconditional: 0, unknown: 2403, unknown conditional: 2403, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2399, Positive cache size: 2324, Positive conditional cache size: 2324, Positive unconditional cache size: 0, Negative cache size: 75, Negative conditional cache size: 75, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 174.1ms, 133 PlacesBefore, 75 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 2110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2854 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 501, positive: 419, positive conditional: 419, positive unconditional: 0, negative: 82, negative conditional: 82, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59, positive: 40, positive conditional: 1, positive unconditional: 39, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 59, positive: 40, positive conditional: 1, positive unconditional: 39, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 59, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 501, positive: 379, positive conditional: 379, positive unconditional: 0, negative: 63, negative conditional: 63, negative unconditional: 0, unknown: 59, unknown conditional: 59, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2458, Positive cache size: 2364, Positive conditional cache size: 2364, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 445.2ms, 77 PlacesBefore, 54 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 831 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 165, positive: 140, positive conditional: 140, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 29, positive conditional: 12, positive unconditional: 17, negative: 8, negative conditional: 4, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 29, positive conditional: 12, positive unconditional: 17, negative: 8, negative conditional: 4, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 4, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 373, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 373, negative conditional: 313, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 165, positive: 111, positive conditional: 111, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2495, Positive cache size: 2393, Positive conditional cache size: 2393, 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: 147.0ms, 58 PlacesBefore, 58 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 1394 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 901 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 240, positive: 214, positive conditional: 214, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 36, positive conditional: 4, positive unconditional: 32, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, positive: 36, positive conditional: 4, positive unconditional: 32, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 240, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2535, Positive cache size: 2429, Positive conditional cache size: 2429, 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: 55.9ms, 60 PlacesBefore, 60 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 1488 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 960 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 274, positive: 247, positive conditional: 247, positive unconditional: 0, negative: 27, negative conditional: 27, 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: 11, positive unconditional: 12, 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: 11, positive unconditional: 12, 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: 274, positive: 224, positive conditional: 224, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2558, Positive cache size: 2452, Positive conditional cache size: 2452, 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: 329.1ms, 65 PlacesBefore, 65 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 1610 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1095 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 239, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 279, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 279, negative conditional: 279, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 239, positive: 196, positive conditional: 196, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2576, Positive cache size: 2465, Positive conditional cache size: 2465, Positive unconditional cache size: 0, Negative cache size: 111, Negative conditional cache size: 111, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1510.8ms, 71 PlacesBefore, 71 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 2386 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1992 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 408, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 33, positive conditional: 17, positive unconditional: 16, 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: 33, positive: 33, positive conditional: 17, positive unconditional: 16, 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: 33, positive: 33, positive conditional: 0, positive unconditional: 33, 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: 408, positive: 339, positive conditional: 339, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 33, unknown conditional: 33, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2609, Positive cache size: 2498, Positive conditional cache size: 2498, Positive unconditional cache size: 0, Negative cache size: 111, Negative conditional cache size: 111, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3572.9ms, 78 PlacesBefore, 78 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 3032 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2238 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 515, positive: 478, positive conditional: 478, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 21, positive conditional: 12, positive unconditional: 9, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, positive: 21, positive conditional: 12, positive unconditional: 9, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 122, negative conditional: 74, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 515, positive: 457, positive conditional: 457, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2632, Positive cache size: 2519, Positive conditional cache size: 2519, Positive unconditional cache size: 0, Negative cache size: 113, Negative conditional cache size: 113, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2530.5ms, 87 PlacesBefore, 87 PlacesAfterwards, 122 TransitionsBefore, 122 TransitionsAfterwards, 3588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 4045 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 940, positive: 885, positive conditional: 885, 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: 43, positive: 43, positive conditional: 29, positive unconditional: 14, 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: 43, positive: 43, positive conditional: 29, positive unconditional: 14, 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: 43, positive: 43, positive conditional: 0, positive unconditional: 43, 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: 940, positive: 842, positive conditional: 842, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 43, unknown conditional: 43, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2675, Positive cache size: 2562, Positive conditional cache size: 2562, Positive unconditional cache size: 0, Negative cache size: 113, Negative conditional cache size: 113, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2842.5ms, 93 PlacesBefore, 91 PlacesAfterwards, 122 TransitionsBefore, 122 TransitionsAfterwards, 3468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3880 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1155, positive: 1100, positive conditional: 1100, 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: 61, positive: 61, positive conditional: 59, 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: 61, positive: 61, positive conditional: 59, 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: 61, positive: 61, positive conditional: 0, positive unconditional: 61, 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: 1155, positive: 1039, positive conditional: 1039, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 61, unknown conditional: 61, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2736, Positive cache size: 2623, Positive conditional cache size: 2623, Positive unconditional cache size: 0, Negative cache size: 113, Negative conditional cache size: 113, 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_p1_EAX = 0; [L713] 0 int __unbuffered_p1_EBX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L723] 0 int y = 0; [L725] 0 int z = 0; [L726] 0 _Bool z$flush_delayed; [L727] 0 int z$mem_tmp; [L728] 0 _Bool z$r_buff0_thd0; [L729] 0 _Bool z$r_buff0_thd1; [L730] 0 _Bool z$r_buff0_thd2; [L731] 0 _Bool z$r_buff0_thd3; [L732] 0 _Bool z$r_buff1_thd0; [L733] 0 _Bool z$r_buff1_thd1; [L734] 0 _Bool z$r_buff1_thd2; [L735] 0 _Bool z$r_buff1_thd3; [L736] 0 _Bool z$read_delayed; [L737] 0 int *z$read_delayed_var; [L738] 0 int z$w_buff0; [L739] 0 _Bool z$w_buff0_used; [L740] 0 int z$w_buff1; [L741] 0 _Bool z$w_buff1_used; [L742] 0 _Bool weak$$choice0; [L743] 0 _Bool weak$$choice2; [L843] 0 pthread_t t159; [L844] FCALL, FORK 0 pthread_create(&t159, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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] [L747] 1 z$w_buff1 = z$w_buff0 [L748] 1 z$w_buff0 = 1 [L749] 1 z$w_buff1_used = z$w_buff0_used [L750] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L752] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L753] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L754] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L755] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L756] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L845] 0 pthread_t t160; [L846] FCALL, FORK 0 pthread_create(&t160, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L776] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, 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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L779] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, 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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, 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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L847] 0 pthread_t t161; [L848] FCALL, FORK 0 pthread_create(&t161, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, 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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L799] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, 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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L802] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, 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$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L805] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L806] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L807] 3 z$flush_delayed = weak$$choice2 [L808] 3 z$mem_tmp = z [L809] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L809] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L810] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L810] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L810] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L810] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L811] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L811] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L811] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L811] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L812] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L812] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L812] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L812] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L813] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L813] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L814] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L814] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L814] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L814] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L815] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L815] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L815] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L815] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 __unbuffered_p2_EBX = z [L817] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L817] 3 z = z$flush_delayed ? z$mem_tmp : z [L818] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, 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=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 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) [L785] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L785] 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) [L785] 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) [L786] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L786] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L787] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L787] 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 [L788] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L788] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L789] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L789] 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 [L762] 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) [L762] 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) [L763] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L763] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L764] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L764] 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 [L765] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L765] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L766] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L766] 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 [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 1 return 0; VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L792] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L794] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L821] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L821] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L821] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L821] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L822] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L822] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L823] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L823] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L824] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L824] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L825] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L825] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L828] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L854] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L854] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L854] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L854] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L855] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L855] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L856] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L856] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L857] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L858] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L861] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=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$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 101 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 65756.7ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 9944.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 42789.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 98 SDtfs, 78 SDslu, 29 SDs, 0 SdLazy, 371 SolverSat, 141 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 496.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 163.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1068occurred in iteration=9, InterpolantAutomatonStates: 43, 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: 37.0ms SsaConstructionTime, 391.3ms SatisfiabilityAnalysisTime, 588.8ms InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 658 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...