/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/mix028_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 19:33:54,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 19:33:54,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 19:33:54,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 19:33:54,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 19:33:54,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 19:33:54,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 19:33:54,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 19:33:54,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 19:33:54,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 19:33:54,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 19:33:54,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 19:33:54,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 19:33:54,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 19:33:54,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 19:33:54,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 19:33:54,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 19:33:54,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 19:33:54,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 19:33:54,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 19:33:54,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 19:33:54,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 19:33:54,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 19:33:54,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 19:33:54,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 19:33:54,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 19:33:54,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 19:33:54,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 19:33:54,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 19:33:54,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 19:33:54,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 19:33:54,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 19:33:54,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 19:33:54,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 19:33:54,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 19:33:54,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 19:33:54,147 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 19:33:54,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 19:33:54,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 19:33:54,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 19:33:54,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 19:33:54,198 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 19:33:54,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 19:33:54,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 19:33:54,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 19:33:54,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 19:33:54,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 19:33:54,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 19:33:54,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 19:33:54,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 19:33:54,202 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 19:33:54,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 19:33:54,202 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 19:33:54,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 19:33:54,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 19:33:54,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 19:33:54,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 19:33:54,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 19:33:54,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 19:33:54,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 19:33:54,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 19:33:54,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 19:33:54,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 19:33:54,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 19:33:54,206 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 19:33:54,206 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 19:33:54,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 19:33:54,207 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 19:33:54,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 19:33:54,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 19:33:54,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 19:33:54,621 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 19:33:54,622 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 19:33:54,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix028_power.oepc.i [2021-04-28 19:33:54,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/154a069a3/4f2265892c374c19a5f146e7b33535e5/FLAGd5d58c5eb [2021-04-28 19:33:55,415 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 19:33:55,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix028_power.oepc.i [2021-04-28 19:33:55,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/154a069a3/4f2265892c374c19a5f146e7b33535e5/FLAGd5d58c5eb [2021-04-28 19:33:55,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/154a069a3/4f2265892c374c19a5f146e7b33535e5 [2021-04-28 19:33:55,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 19:33:55,753 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 19:33:55,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 19:33:55,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 19:33:55,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 19:33:55,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:33:55" (1/1) ... [2021-04-28 19:33:55,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17093d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:55, skipping insertion in model container [2021-04-28 19:33:55,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:33:55" (1/1) ... [2021-04-28 19:33:55,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 19:33:55,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 19:33:56,014 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/mix028_power.oepc.i[951,964] [2021-04-28 19:33:56,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:33:56,344 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 19:33:56,359 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/mix028_power.oepc.i[951,964] [2021-04-28 19:33:56,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:33:56,538 INFO L208 MainTranslator]: Completed translation [2021-04-28 19:33:56,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:56 WrapperNode [2021-04-28 19:33:56,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 19:33:56,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 19:33:56,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 19:33:56,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 19:33:56,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:56" (1/1) ... [2021-04-28 19:33:56,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:56" (1/1) ... [2021-04-28 19:33:56,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 19:33:56,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 19:33:56,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 19:33:56,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 19:33:56,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:56" (1/1) ... [2021-04-28 19:33:56,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:56" (1/1) ... [2021-04-28 19:33:56,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:56" (1/1) ... [2021-04-28 19:33:56,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:56" (1/1) ... [2021-04-28 19:33:56,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:56" (1/1) ... [2021-04-28 19:33:56,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:56" (1/1) ... [2021-04-28 19:33:56,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:56" (1/1) ... [2021-04-28 19:33:56,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 19:33:56,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 19:33:56,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 19:33:56,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 19:33:56,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:56" (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 19:33:56,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 19:33:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 19:33:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 19:33:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 19:33:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 19:33:56,796 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 19:33:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 19:33:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 19:33:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 19:33:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 19:33:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 19:33:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 19:33:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 19:33:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 19:33:56,801 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 19:33:59,495 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 19:33:59,496 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 19:33:59,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:33:59 BoogieIcfgContainer [2021-04-28 19:33:59,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 19:33:59,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 19:33:59,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 19:33:59,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 19:33:59,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 07:33:55" (1/3) ... [2021-04-28 19:33:59,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b85c0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:33:59, skipping insertion in model container [2021-04-28 19:33:59,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:33:56" (2/3) ... [2021-04-28 19:33:59,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b85c0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:33:59, skipping insertion in model container [2021-04-28 19:33:59,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:33:59" (3/3) ... [2021-04-28 19:33:59,512 INFO L111 eAbstractionObserver]: Analyzing ICFG mix028_power.oepc.i [2021-04-28 19:33:59,521 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 19:33:59,531 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 19:33:59,532 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 19:33:59,590 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,590 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,590 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,591 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,591 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,591 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,591 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,591 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,592 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,592 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,593 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,593 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,601 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,602 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,602 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,602 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,607 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,608 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,608 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,608 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,609 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,622 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,648 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,648 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,648 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,649 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,649 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,649 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,649 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,649 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,650 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,650 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,652 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,652 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,654 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,654 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,654 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,654 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,654 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,654 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,655 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,655 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,655 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,655 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,655 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,655 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,656 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,656 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,656 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,656 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,656 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,656 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,657 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,657 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,657 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,657 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,657 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,657 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,658 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,659 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,660 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,661 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,661 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:33:59,663 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 19:33:59,686 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 19:33:59,713 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 19:33:59,713 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 19:33:59,713 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 19:33:59,713 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 19:33:59,713 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 19:33:59,713 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 19:33:59,714 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 19:33:59,714 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 19:33:59,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-04-28 19:33:59,777 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-04-28 19:33:59,778 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:33:59,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 19:33:59,783 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-04-28 19:33:59,789 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-04-28 19:33:59,791 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:33:59,811 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-04-28 19:33:59,818 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-04-28 19:33:59,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-04-28 19:33:59,873 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-04-28 19:33:59,874 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:33:59,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 19:33:59,882 INFO L146 LiptonReduction]: Number of co-enabled transitions 1778 [2021-04-28 19:34:03,305 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 19:34:03,415 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:34:03,985 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-04-28 19:34:04,270 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 19:34:11,222 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 19:34:17,072 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:34:17,278 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:34:17,380 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 19:34:18,542 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:34:18,749 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:34:18,858 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:34:18,972 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:34:19,085 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:34:19,201 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:34:19,307 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:34:19,724 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:34:19,921 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:34:20,025 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:34:22,712 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:34:22,886 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:34:23,048 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:34:23,219 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:34:23,400 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:23,621 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:23,805 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:23,987 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:24,106 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:34:24,212 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:34:24,330 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:34:24,440 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:34:24,585 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:34:24,730 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:34:24,876 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:34:25,022 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:34:25,159 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:34:25,290 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:34:25,416 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:34:25,541 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:34:26,091 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:34:26,254 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:34:26,415 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:34:26,571 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:34:26,708 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 19:34:27,184 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:27,362 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:27,543 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:27,725 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:27,853 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:34:27,980 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:34:28,103 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:34:28,227 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:34:28,389 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:34:28,551 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:34:28,718 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:34:28,881 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:34:29,015 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:34:29,147 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:34:29,287 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:34:29,420 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:34:29,535 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:34:29,654 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:34:29,803 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:34:29,932 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:34:30,134 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:30,337 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:30,544 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:30,746 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:30,882 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:34:31,014 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:34:31,136 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:34:31,259 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:34:31,439 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:34:31,618 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:34:31,804 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:34:31,985 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:34:32,172 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:32,355 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:32,543 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:32,731 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:34:33,212 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 19:34:33,433 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 19:34:33,958 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 19:34:34,187 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 19:34:34,340 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:34:34,493 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:34:34,645 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:34:34,804 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:34:35,271 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 19:34:35,489 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 19:34:35,963 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 19:34:36,183 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 19:34:36,222 INFO L158 LiptonReduction]: Checked pairs total: 16571 [2021-04-28 19:34:36,223 INFO L160 LiptonReduction]: Total number of compositions: 231 [2021-04-28 19:34:36,228 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36438 [2021-04-28 19:34:36,253 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2021-04-28 19:34:36,253 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:34:36,254 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:34:36,254 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 19:34:36,255 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 19:34:36,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:34:36,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1205160, now seen corresponding path program 1 times [2021-04-28 19:34:36,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:34:36,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357304578] [2021-04-28 19:34:36,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:34:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:34:36,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:36,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:34:36,512 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 19:34:36,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357304578] [2021-04-28 19:34:36,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:34:36,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:34:36,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857579744] [2021-04-28 19:34:36,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:34:36,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:34:36,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:34:36,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:34:36,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 330 [2021-04-28 19:34:36,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 119 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:34:36,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:34:36,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 330 [2021-04-28 19:34:36,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:34:36,728 INFO L129 PetriNetUnfolder]: 49/431 cut-off events. [2021-04-28 19:34:36,729 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:34:36,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 536 conditions, 431 events. 49/431 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3408 event pairs, 38 based on Foata normal form. 35/159 useless extension candidates. Maximal degree in co-relation 470. Up to 65 conditions per place. [2021-04-28 19:34:36,735 INFO L132 encePairwiseOnDemand]: 315/330 looper letters, 9 selfloop transitions, 2 changer transitions 49/119 dead transitions. [2021-04-28 19:34:36,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 119 transitions, 287 flow [2021-04-28 19:34:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:34:36,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:34:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 840 transitions. [2021-04-28 19:34:36,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2021-04-28 19:34:36,757 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 840 transitions. [2021-04-28 19:34:36,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 840 transitions. [2021-04-28 19:34:36,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:34:36,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 840 transitions. [2021-04-28 19:34:36,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 0 states have call successors, (0), 0 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 19:34:36,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 330.0) internal successors, (1320), 4 states have internal predecessors, (1320), 0 states have call successors, (0), 0 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 19:34:36,783 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 330.0) internal successors, (1320), 4 states have internal predecessors, (1320), 0 states have call successors, (0), 0 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 19:34:36,786 INFO L185 Difference]: Start difference. First operand has 128 places, 119 transitions, 247 flow. Second operand 3 states and 840 transitions. [2021-04-28 19:34:36,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 119 transitions, 287 flow [2021-04-28 19:34:36,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 119 transitions, 284 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 19:34:36,794 INFO L241 Difference]: Finished difference. Result has 124 places, 66 transitions, 142 flow [2021-04-28 19:34:36,796 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=124, PETRI_TRANSITIONS=66} [2021-04-28 19:34:36,797 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -4 predicate places. [2021-04-28 19:34:36,797 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:34:36,798 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 66 transitions, 142 flow [2021-04-28 19:34:36,798 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 66 transitions, 142 flow [2021-04-28 19:34:36,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 66 transitions, 142 flow [2021-04-28 19:34:36,808 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-04-28 19:34:36,809 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:34:36,809 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 29. Compared 328 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 19:34:36,811 INFO L146 LiptonReduction]: Number of co-enabled transitions 2046 [2021-04-28 19:34:37,276 INFO L158 LiptonReduction]: Checked pairs total: 2750 [2021-04-28 19:34:37,276 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:34:37,276 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 479 [2021-04-28 19:34:37,279 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 66 transitions, 142 flow [2021-04-28 19:34:37,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:34:37,280 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:34:37,280 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:34:37,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 19:34:37,281 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 19:34:37,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:34:37,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1655617303, now seen corresponding path program 1 times [2021-04-28 19:34:37,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:34:37,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627504718] [2021-04-28 19:34:37,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:34:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:34:37,405 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 19:34:37,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 19:34:37,424 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 19:34:37,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627504718] [2021-04-28 19:34:37,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:34:37,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:34:37,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840996775] [2021-04-28 19:34:37,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:34:37,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:34:37,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:34:37,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:34:37,435 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 330 [2021-04-28 19:34:37,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 66 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 0 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 19:34:37,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:34:37,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 330 [2021-04-28 19:34:37,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:34:38,281 INFO L129 PetriNetUnfolder]: 1738/4980 cut-off events. [2021-04-28 19:34:38,281 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:34:38,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7769 conditions, 4980 events. 1738/4980 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 809. Compared 58701 event pairs, 514 based on Foata normal form. 0/3034 useless extension candidates. Maximal degree in co-relation 7760. Up to 1446 conditions per place. [2021-04-28 19:34:38,311 INFO L132 encePairwiseOnDemand]: 308/330 looper letters, 7 selfloop transitions, 7 changer transitions 46/94 dead transitions. [2021-04-28 19:34:38,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 94 transitions, 318 flow [2021-04-28 19:34:38,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:34:38,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:34:38,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 692 transitions. [2021-04-28 19:34:38,315 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6989898989898989 [2021-04-28 19:34:38,315 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 692 transitions. [2021-04-28 19:34:38,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 692 transitions. [2021-04-28 19:34:38,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:34:38,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 692 transitions. [2021-04-28 19:34:38,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:34:38,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 330.0) internal successors, (1320), 4 states have internal predecessors, (1320), 0 states have call successors, (0), 0 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 19:34:38,323 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 330.0) internal successors, (1320), 4 states have internal predecessors, (1320), 0 states have call successors, (0), 0 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 19:34:38,323 INFO L185 Difference]: Start difference. First operand has 75 places, 66 transitions, 142 flow. Second operand 3 states and 692 transitions. [2021-04-28 19:34:38,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 94 transitions, 318 flow [2021-04-28 19:34:38,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 94 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:34:38,326 INFO L241 Difference]: Finished difference. Result has 77 places, 48 transitions, 144 flow [2021-04-28 19:34:38,327 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, 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=144, PETRI_PLACES=77, PETRI_TRANSITIONS=48} [2021-04-28 19:34:38,327 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -51 predicate places. [2021-04-28 19:34:38,327 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:34:38,328 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 48 transitions, 144 flow [2021-04-28 19:34:38,328 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 48 transitions, 144 flow [2021-04-28 19:34:38,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 48 transitions, 144 flow [2021-04-28 19:34:38,375 INFO L129 PetriNetUnfolder]: 74/340 cut-off events. [2021-04-28 19:34:38,375 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-04-28 19:34:38,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 340 events. 74/340 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2446 event pairs, 34 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 555. Up to 93 conditions per place. [2021-04-28 19:34:38,383 INFO L146 LiptonReduction]: Number of co-enabled transitions 1218 [2021-04-28 19:34:38,390 INFO L158 LiptonReduction]: Checked pairs total: 764 [2021-04-28 19:34:38,390 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:34:38,390 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-04-28 19:34:38,392 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 48 transitions, 144 flow [2021-04-28 19:34:38,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 0 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 19:34:38,393 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:34:38,393 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:34:38,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 19:34:38,393 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 19:34:38,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:34:38,394 INFO L82 PathProgramCache]: Analyzing trace with hash -215473113, now seen corresponding path program 1 times [2021-04-28 19:34:38,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:34:38,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679220770] [2021-04-28 19:34:38,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:34:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:34:38,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:38,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:34:38,495 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 19:34:38,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 19:34:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:34:38,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679220770] [2021-04-28 19:34:38,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:34:38,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:34:38,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063387725] [2021-04-28 19:34:38,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:34:38,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:34:38,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:34:38,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:34:38,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 330 [2021-04-28 19:34:38,513 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 48 transitions, 144 flow. Second operand has 4 states, 4 states have (on average 211.75) internal successors, (847), 4 states have internal predecessors, (847), 0 states have call successors, (0), 0 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 19:34:38,513 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:34:38,513 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 330 [2021-04-28 19:34:38,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:34:38,599 INFO L129 PetriNetUnfolder]: 51/250 cut-off events. [2021-04-28 19:34:38,599 INFO L130 PetriNetUnfolder]: For 43/90 co-relation queries the response was YES. [2021-04-28 19:34:38,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 529 conditions, 250 events. 51/250 cut-off events. For 43/90 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1550 event pairs, 8 based on Foata normal form. 5/181 useless extension candidates. Maximal degree in co-relation 518. Up to 67 conditions per place. [2021-04-28 19:34:38,603 INFO L132 encePairwiseOnDemand]: 323/330 looper letters, 13 selfloop transitions, 7 changer transitions 0/54 dead transitions. [2021-04-28 19:34:38,603 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 54 transitions, 214 flow [2021-04-28 19:34:38,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:34:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:34:38,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 860 transitions. [2021-04-28 19:34:38,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6515151515151515 [2021-04-28 19:34:38,608 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 860 transitions. [2021-04-28 19:34:38,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 860 transitions. [2021-04-28 19:34:38,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:34:38,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 860 transitions. [2021-04-28 19:34:38,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:34:38,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 330.0) internal successors, (1650), 5 states have internal predecessors, (1650), 0 states have call successors, (0), 0 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 19:34:38,618 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 330.0) internal successors, (1650), 5 states have internal predecessors, (1650), 0 states have call successors, (0), 0 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 19:34:38,618 INFO L185 Difference]: Start difference. First operand has 53 places, 48 transitions, 144 flow. Second operand 4 states and 860 transitions. [2021-04-28 19:34:38,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 54 transitions, 214 flow [2021-04-28 19:34:38,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 54 transitions, 194 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:34:38,625 INFO L241 Difference]: Finished difference. Result has 57 places, 51 transitions, 178 flow [2021-04-28 19:34:38,626 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=178, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2021-04-28 19:34:38,626 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -71 predicate places. [2021-04-28 19:34:38,626 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:34:38,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 51 transitions, 178 flow [2021-04-28 19:34:38,628 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 51 transitions, 178 flow [2021-04-28 19:34:38,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 51 transitions, 178 flow [2021-04-28 19:34:38,670 INFO L129 PetriNetUnfolder]: 51/250 cut-off events. [2021-04-28 19:34:38,670 INFO L130 PetriNetUnfolder]: For 81/81 co-relation queries the response was YES. [2021-04-28 19:34:38,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 250 events. 51/250 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1578 event pairs, 17 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 466. Up to 67 conditions per place. [2021-04-28 19:34:38,676 INFO L146 LiptonReduction]: Number of co-enabled transitions 1312 [2021-04-28 19:34:38,684 INFO L158 LiptonReduction]: Checked pairs total: 831 [2021-04-28 19:34:38,685 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:34:38,685 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-04-28 19:34:38,686 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 178 flow [2021-04-28 19:34:38,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 211.75) internal successors, (847), 4 states have internal predecessors, (847), 0 states have call successors, (0), 0 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 19:34:38,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:34:38,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:34:38,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 19:34:38,688 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 19:34:38,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:34:38,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1847806498, now seen corresponding path program 1 times [2021-04-28 19:34:38,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:34:38,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112862821] [2021-04-28 19:34:38,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:34:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:34:38,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:38,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:34:38,814 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 19:34:38,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112862821] [2021-04-28 19:34:38,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:34:38,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:34:38,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174136003] [2021-04-28 19:34:38,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:34:38,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:34:38,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:34:38,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:34:38,818 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 330 [2021-04-28 19:34:38,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 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 19:34:38,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:34:38,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 330 [2021-04-28 19:34:38,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:34:38,863 INFO L129 PetriNetUnfolder]: 45/232 cut-off events. [2021-04-28 19:34:38,863 INFO L130 PetriNetUnfolder]: For 123/123 co-relation queries the response was YES. [2021-04-28 19:34:38,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 232 events. 45/232 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1409 event pairs, 5 based on Foata normal form. 2/165 useless extension candidates. Maximal degree in co-relation 470. Up to 59 conditions per place. [2021-04-28 19:34:38,867 INFO L132 encePairwiseOnDemand]: 326/330 looper letters, 7 selfloop transitions, 6 changer transitions 0/56 dead transitions. [2021-04-28 19:34:38,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 56 transitions, 232 flow [2021-04-28 19:34:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:34:38,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:34:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2021-04-28 19:34:38,870 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7191919191919192 [2021-04-28 19:34:38,870 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 712 transitions. [2021-04-28 19:34:38,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 712 transitions. [2021-04-28 19:34:38,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:34:38,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 712 transitions. [2021-04-28 19:34:38,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:34:38,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 330.0) internal successors, (1320), 4 states have internal predecessors, (1320), 0 states have call successors, (0), 0 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 19:34:38,879 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 330.0) internal successors, (1320), 4 states have internal predecessors, (1320), 0 states have call successors, (0), 0 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 19:34:38,879 INFO L185 Difference]: Start difference. First operand has 57 places, 51 transitions, 178 flow. Second operand 3 states and 712 transitions. [2021-04-28 19:34:38,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 56 transitions, 232 flow [2021-04-28 19:34:38,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 56 transitions, 229 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 19:34:38,885 INFO L241 Difference]: Finished difference. Result has 59 places, 56 transitions, 233 flow [2021-04-28 19:34:38,885 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=59, PETRI_TRANSITIONS=56} [2021-04-28 19:34:38,886 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -69 predicate places. [2021-04-28 19:34:38,886 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:34:38,886 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 56 transitions, 233 flow [2021-04-28 19:34:38,886 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 56 transitions, 233 flow [2021-04-28 19:34:38,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 56 transitions, 233 flow [2021-04-28 19:34:38,922 INFO L129 PetriNetUnfolder]: 45/232 cut-off events. [2021-04-28 19:34:38,922 INFO L130 PetriNetUnfolder]: For 109/109 co-relation queries the response was YES. [2021-04-28 19:34:38,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 232 events. 45/232 cut-off events. For 109/109 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1424 event pairs, 5 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 476. Up to 59 conditions per place. [2021-04-28 19:34:38,929 INFO L146 LiptonReduction]: Number of co-enabled transitions 1458 [2021-04-28 19:34:38,937 INFO L158 LiptonReduction]: Checked pairs total: 972 [2021-04-28 19:34:38,937 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:34:38,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-04-28 19:34:38,945 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 56 transitions, 233 flow [2021-04-28 19:34:38,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 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 19:34:38,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:34:38,946 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:34:38,946 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 19:34:38,946 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 19:34:38,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:34:38,947 INFO L82 PathProgramCache]: Analyzing trace with hash -911287310, now seen corresponding path program 1 times [2021-04-28 19:34:38,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:34:38,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794125576] [2021-04-28 19:34:38,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:34:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:34:39,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:39,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:34:39,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:39,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 19:34:39,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:39,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:34:39,046 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 19:34:39,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794125576] [2021-04-28 19:34:39,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:34:39,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:34:39,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538225159] [2021-04-28 19:34:39,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:34:39,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:34:39,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:34:39,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:34:39,049 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 330 [2021-04-28 19:34:39,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 56 transitions, 233 flow. Second operand has 4 states, 4 states have (on average 231.75) internal successors, (927), 4 states have internal predecessors, (927), 0 states have call successors, (0), 0 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 19:34:39,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:34:39,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 330 [2021-04-28 19:34:39,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:34:40,223 INFO L129 PetriNetUnfolder]: 5303/9219 cut-off events. [2021-04-28 19:34:40,224 INFO L130 PetriNetUnfolder]: For 588/690 co-relation queries the response was YES. [2021-04-28 19:34:40,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18851 conditions, 9219 events. 5303/9219 cut-off events. For 588/690 co-relation queries the response was YES. Maximal size of possible extension queue 2160. Compared 85482 event pairs, 2049 based on Foata normal form. 241/2797 useless extension candidates. Maximal degree in co-relation 18835. Up to 5836 conditions per place. [2021-04-28 19:34:40,308 INFO L132 encePairwiseOnDemand]: 313/330 looper letters, 27 selfloop transitions, 26 changer transitions 0/90 dead transitions. [2021-04-28 19:34:40,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 90 transitions, 407 flow [2021-04-28 19:34:40,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 19:34:40,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 19:34:40,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1209 transitions. [2021-04-28 19:34:40,313 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7327272727272728 [2021-04-28 19:34:40,313 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1209 transitions. [2021-04-28 19:34:40,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1209 transitions. [2021-04-28 19:34:40,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:34:40,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1209 transitions. [2021-04-28 19:34:40,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 241.8) internal successors, (1209), 5 states have internal predecessors, (1209), 0 states have call successors, (0), 0 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 19:34:40,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 330.0) internal successors, (1980), 6 states have internal predecessors, (1980), 0 states have call successors, (0), 0 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 19:34:40,325 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 330.0) internal successors, (1980), 6 states have internal predecessors, (1980), 0 states have call successors, (0), 0 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 19:34:40,325 INFO L185 Difference]: Start difference. First operand has 59 places, 56 transitions, 233 flow. Second operand 5 states and 1209 transitions. [2021-04-28 19:34:40,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 90 transitions, 407 flow [2021-04-28 19:34:40,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 90 transitions, 399 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 19:34:40,337 INFO L241 Difference]: Finished difference. Result has 65 places, 80 transitions, 418 flow [2021-04-28 19:34:40,337 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=418, PETRI_PLACES=65, PETRI_TRANSITIONS=80} [2021-04-28 19:34:40,338 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -63 predicate places. [2021-04-28 19:34:40,338 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:34:40,338 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 80 transitions, 418 flow [2021-04-28 19:34:40,338 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 80 transitions, 418 flow [2021-04-28 19:34:40,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 80 transitions, 418 flow [2021-04-28 19:34:41,253 INFO L129 PetriNetUnfolder]: 4449/7999 cut-off events. [2021-04-28 19:34:41,253 INFO L130 PetriNetUnfolder]: For 2401/6416 co-relation queries the response was YES. [2021-04-28 19:34:41,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22535 conditions, 7999 events. 4449/7999 cut-off events. For 2401/6416 co-relation queries the response was YES. Maximal size of possible extension queue 1687. Compared 77673 event pairs, 2007 based on Foata normal form. 13/2433 useless extension candidates. Maximal degree in co-relation 22517. Up to 6946 conditions per place. [2021-04-28 19:34:41,392 INFO L146 LiptonReduction]: Number of co-enabled transitions 2124 [2021-04-28 19:34:41,789 INFO L158 LiptonReduction]: Checked pairs total: 1776 [2021-04-28 19:34:41,790 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:34:41,790 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1452 [2021-04-28 19:34:41,792 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 80 transitions, 418 flow [2021-04-28 19:34:41,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 231.75) internal successors, (927), 4 states have internal predecessors, (927), 0 states have call successors, (0), 0 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 19:34:41,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:34:41,793 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:34:41,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 19:34:41,794 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 19:34:41,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:34:41,794 INFO L82 PathProgramCache]: Analyzing trace with hash -570790250, now seen corresponding path program 1 times [2021-04-28 19:34:41,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:34:41,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886682147] [2021-04-28 19:34:41,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:34:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:34:41,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:41,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:34:41,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:41,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:34:41,856 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 19:34:41,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886682147] [2021-04-28 19:34:41,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:34:41,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:34:41,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885393034] [2021-04-28 19:34:41,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:34:41,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:34:41,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:34:41,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:34:41,860 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 330 [2021-04-28 19:34:41,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 80 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 0 states have call successors, (0), 0 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 19:34:41,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:34:41,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 330 [2021-04-28 19:34:41,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:34:43,622 INFO L129 PetriNetUnfolder]: 7964/13759 cut-off events. [2021-04-28 19:34:43,622 INFO L130 PetriNetUnfolder]: For 4741/14020 co-relation queries the response was YES. [2021-04-28 19:34:43,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39067 conditions, 13759 events. 7964/13759 cut-off events. For 4741/14020 co-relation queries the response was YES. Maximal size of possible extension queue 2952. Compared 134500 event pairs, 3739 based on Foata normal form. 111/4127 useless extension candidates. Maximal degree in co-relation 39047. Up to 12439 conditions per place. [2021-04-28 19:34:43,719 INFO L132 encePairwiseOnDemand]: 327/330 looper letters, 4 selfloop transitions, 8 changer transitions 1/80 dead transitions. [2021-04-28 19:34:43,719 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 80 transitions, 444 flow [2021-04-28 19:34:43,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:34:43,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:34:43,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 711 transitions. [2021-04-28 19:34:43,722 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7181818181818181 [2021-04-28 19:34:43,722 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 711 transitions. [2021-04-28 19:34:43,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 711 transitions. [2021-04-28 19:34:43,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:34:43,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 711 transitions. [2021-04-28 19:34:43,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:34:43,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 330.0) internal successors, (1320), 4 states have internal predecessors, (1320), 0 states have call successors, (0), 0 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 19:34:43,728 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 330.0) internal successors, (1320), 4 states have internal predecessors, (1320), 0 states have call successors, (0), 0 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 19:34:43,728 INFO L185 Difference]: Start difference. First operand has 65 places, 80 transitions, 418 flow. Second operand 3 states and 711 transitions. [2021-04-28 19:34:43,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 80 transitions, 444 flow [2021-04-28 19:34:43,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 80 transitions, 444 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 19:34:43,775 INFO L241 Difference]: Finished difference. Result has 68 places, 79 transitions, 436 flow [2021-04-28 19:34:43,775 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=436, PETRI_PLACES=68, PETRI_TRANSITIONS=79} [2021-04-28 19:34:43,775 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -60 predicate places. [2021-04-28 19:34:43,775 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:34:43,775 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 79 transitions, 436 flow [2021-04-28 19:34:43,776 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 79 transitions, 436 flow [2021-04-28 19:34:43,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 79 transitions, 436 flow [2021-04-28 19:34:44,965 INFO L129 PetriNetUnfolder]: 7716/13207 cut-off events. [2021-04-28 19:34:44,965 INFO L130 PetriNetUnfolder]: For 3977/10114 co-relation queries the response was YES. [2021-04-28 19:34:45,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37436 conditions, 13207 events. 7716/13207 cut-off events. For 3977/10114 co-relation queries the response was YES. Maximal size of possible extension queue 2617. Compared 131414 event pairs, 3656 based on Foata normal form. 11/3937 useless extension candidates. Maximal degree in co-relation 37416. Up to 11950 conditions per place. [2021-04-28 19:34:45,288 INFO L146 LiptonReduction]: Number of co-enabled transitions 2054 [2021-04-28 19:34:45,574 INFO L158 LiptonReduction]: Checked pairs total: 1711 [2021-04-28 19:34:45,574 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:34:45,575 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1800 [2021-04-28 19:34:45,579 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 79 transitions, 436 flow [2021-04-28 19:34:45,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 0 states have call successors, (0), 0 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 19:34:45,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:34:45,580 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:34:45,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 19:34:45,580 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 19:34:45,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:34:45,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1747725200, now seen corresponding path program 1 times [2021-04-28 19:34:45,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:34:45,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797936052] [2021-04-28 19:34:45,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:34:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:34:45,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:45,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:34:45,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:45,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:34:45,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:45,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 19:34:45,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:45,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:34:45,662 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 19:34:45,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797936052] [2021-04-28 19:34:45,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:34:45,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 19:34:45,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927823406] [2021-04-28 19:34:45,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 19:34:45,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:34:45,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 19:34:45,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 19:34:45,666 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 330 [2021-04-28 19:34:45,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 79 transitions, 436 flow. Second operand has 5 states, 5 states have (on average 231.8) internal successors, (1159), 5 states have internal predecessors, (1159), 0 states have call successors, (0), 0 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 19:34:45,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:34:45,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 330 [2021-04-28 19:34:45,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:34:47,271 INFO L129 PetriNetUnfolder]: 8341/15564 cut-off events. [2021-04-28 19:34:47,272 INFO L130 PetriNetUnfolder]: For 6812/43832 co-relation queries the response was YES. [2021-04-28 19:34:47,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58845 conditions, 15564 events. 8341/15564 cut-off events. For 6812/43832 co-relation queries the response was YES. Maximal size of possible extension queue 3804. Compared 165722 event pairs, 792 based on Foata normal form. 531/5584 useless extension candidates. Maximal degree in co-relation 58823. Up to 13810 conditions per place. [2021-04-28 19:34:47,377 INFO L132 encePairwiseOnDemand]: 313/330 looper letters, 19 selfloop transitions, 50 changer transitions 9/114 dead transitions. [2021-04-28 19:34:47,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 114 transitions, 783 flow [2021-04-28 19:34:47,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 19:34:47,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 19:34:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1695 transitions. [2021-04-28 19:34:47,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7337662337662337 [2021-04-28 19:34:47,383 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1695 transitions. [2021-04-28 19:34:47,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1695 transitions. [2021-04-28 19:34:47,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:34:47,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1695 transitions. [2021-04-28 19:34:47,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 242.14285714285714) internal successors, (1695), 7 states have internal predecessors, (1695), 0 states have call successors, (0), 0 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 19:34:47,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 0 states have call successors, (0), 0 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 19:34:47,395 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 0 states have call successors, (0), 0 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 19:34:47,396 INFO L185 Difference]: Start difference. First operand has 68 places, 79 transitions, 436 flow. Second operand 7 states and 1695 transitions. [2021-04-28 19:34:47,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 114 transitions, 783 flow [2021-04-28 19:34:47,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 114 transitions, 771 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 19:34:47,443 INFO L241 Difference]: Finished difference. Result has 76 places, 103 transitions, 749 flow [2021-04-28 19:34:47,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=749, PETRI_PLACES=76, PETRI_TRANSITIONS=103} [2021-04-28 19:34:47,444 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -52 predicate places. [2021-04-28 19:34:47,444 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:34:47,444 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 103 transitions, 749 flow [2021-04-28 19:34:47,445 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 103 transitions, 749 flow [2021-04-28 19:34:47,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 103 transitions, 749 flow [2021-04-28 19:34:48,468 INFO L129 PetriNetUnfolder]: 5050/10808 cut-off events. [2021-04-28 19:34:48,469 INFO L130 PetriNetUnfolder]: For 18176/39546 co-relation queries the response was YES. [2021-04-28 19:34:48,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45887 conditions, 10808 events. 5050/10808 cut-off events. For 18176/39546 co-relation queries the response was YES. Maximal size of possible extension queue 2629. Compared 126628 event pairs, 757 based on Foata normal form. 0/3356 useless extension candidates. Maximal degree in co-relation 45863. Up to 9439 conditions per place. [2021-04-28 19:34:48,628 INFO L146 LiptonReduction]: Number of co-enabled transitions 2502 [2021-04-28 19:34:49,124 INFO L158 LiptonReduction]: Checked pairs total: 3265 [2021-04-28 19:34:49,124 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:34:49,125 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1681 [2021-04-28 19:34:49,126 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 103 transitions, 749 flow [2021-04-28 19:34:49,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 231.8) internal successors, (1159), 5 states have internal predecessors, (1159), 0 states have call successors, (0), 0 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 19:34:49,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:34:49,127 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:34:49,127 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 19:34:49,128 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 19:34:49,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:34:49,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1699101114, now seen corresponding path program 1 times [2021-04-28 19:34:49,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:34:49,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784479222] [2021-04-28 19:34:49,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:34:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:34:49,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:49,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:34:49,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:49,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:34:49,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:49,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:34:49,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:49,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 19:34:49,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:34:49,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:34:49,256 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 19:34:49,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784479222] [2021-04-28 19:34:49,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:34:49,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 19:34:49,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718658425] [2021-04-28 19:34:49,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 19:34:49,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:34:49,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 19:34:49,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 19:34:49,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 330 [2021-04-28 19:34:49,263 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 103 transitions, 749 flow. Second operand has 6 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 0 states have call successors, (0), 0 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 19:34:49,263 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:34:49,263 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 330 [2021-04-28 19:34:49,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:34:50,615 INFO L129 PetriNetUnfolder]: 4633/10785 cut-off events. [2021-04-28 19:34:50,615 INFO L130 PetriNetUnfolder]: For 19092/140067 co-relation queries the response was YES. [2021-04-28 19:34:50,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55705 conditions, 10785 events. 4633/10785 cut-off events. For 19092/140067 co-relation queries the response was YES. Maximal size of possible extension queue 2988. Compared 130371 event pairs, 0 based on Foata normal form. 487/3821 useless extension candidates. Maximal degree in co-relation 55679. Up to 9328 conditions per place. [2021-04-28 19:34:50,701 INFO L132 encePairwiseOnDemand]: 313/330 looper letters, 5 selfloop transitions, 64 changer transitions 20/121 dead transitions. [2021-04-28 19:34:50,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 121 transitions, 1035 flow [2021-04-28 19:34:50,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 19:34:50,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 19:34:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2163 transitions. [2021-04-28 19:34:50,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7282828282828283 [2021-04-28 19:34:50,832 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2163 transitions. [2021-04-28 19:34:50,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2163 transitions. [2021-04-28 19:34:50,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:34:50,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2163 transitions. [2021-04-28 19:34:50,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 240.33333333333334) internal successors, (2163), 9 states have internal predecessors, (2163), 0 states have call successors, (0), 0 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 19:34:50,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 0 states have call successors, (0), 0 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 19:34:50,850 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 0 states have call successors, (0), 0 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 19:34:50,850 INFO L185 Difference]: Start difference. First operand has 76 places, 103 transitions, 749 flow. Second operand 9 states and 2163 transitions. [2021-04-28 19:34:50,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 121 transitions, 1035 flow [2021-04-28 19:34:52,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 121 transitions, 902 flow, removed 43 selfloop flow, removed 4 redundant places. [2021-04-28 19:34:52,321 INFO L241 Difference]: Finished difference. Result has 83 places, 99 transitions, 760 flow [2021-04-28 19:34:52,321 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=760, PETRI_PLACES=83, PETRI_TRANSITIONS=99} [2021-04-28 19:34:52,322 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -45 predicate places. [2021-04-28 19:34:52,322 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:34:52,322 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 99 transitions, 760 flow [2021-04-28 19:34:52,322 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 99 transitions, 760 flow [2021-04-28 19:34:52,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 99 transitions, 760 flow [2021-04-28 19:34:52,645 INFO L129 PetriNetUnfolder]: 1576/4280 cut-off events. [2021-04-28 19:34:52,645 INFO L130 PetriNetUnfolder]: For 6440/12220 co-relation queries the response was YES. [2021-04-28 19:34:52,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18486 conditions, 4280 events. 1576/4280 cut-off events. For 6440/12220 co-relation queries the response was YES. Maximal size of possible extension queue 1509. Compared 50525 event pairs, 3 based on Foata normal form. 0/1278 useless extension candidates. Maximal degree in co-relation 18460. Up to 3024 conditions per place. [2021-04-28 19:34:52,718 INFO L146 LiptonReduction]: Number of co-enabled transitions 2074 [2021-04-28 19:34:53,227 INFO L158 LiptonReduction]: Checked pairs total: 2889 [2021-04-28 19:34:53,228 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:34:53,228 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 906 [2021-04-28 19:34:53,229 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 99 transitions, 760 flow [2021-04-28 19:34:53,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 0 states have call successors, (0), 0 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 19:34:53,230 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:34:53,230 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] [2021-04-28 19:34:53,230 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 19:34:53,230 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 19:34:53,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:34:53,231 INFO L82 PathProgramCache]: Analyzing trace with hash -2082348675, now seen corresponding path program 1 times [2021-04-28 19:34:53,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:34:53,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547730991] [2021-04-28 19:34:53,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:34:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 19:34:53,332 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 19:34:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 19:34:53,453 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 19:34:53,526 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 19:34:53,526 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 19:34:53,526 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 19:34:53,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 07:34:53 BasicIcfg [2021-04-28 19:34:53,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 19:34:53,704 INFO L168 Benchmark]: Toolchain (without parser) took 57995.31 ms. Allocated memory was 302.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 275.8 MB in the beginning and 721.0 MB in the end (delta: -445.2 MB). Peak memory consumption was 722.0 MB. Max. memory is 16.0 GB. [2021-04-28 19:34:53,704 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 302.0 MB. Free memory is still 269.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 19:34:53,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.02 ms. Allocated memory is still 302.0 MB. Free memory was 272.7 MB in the beginning and 266.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-04-28 19:34:53,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.08 ms. Allocated memory is still 302.0 MB. Free memory was 266.4 MB in the beginning and 264.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 19:34:53,706 INFO L168 Benchmark]: Boogie Preprocessor took 53.43 ms. Allocated memory is still 302.0 MB. Free memory was 264.3 MB in the beginning and 261.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-28 19:34:53,706 INFO L168 Benchmark]: RCFGBuilder took 2843.95 ms. Allocated memory was 302.0 MB in the beginning and 396.4 MB in the end (delta: 94.4 MB). Free memory was 261.2 MB in the beginning and 293.7 MB in the end (delta: -32.5 MB). Peak memory consumption was 157.3 MB. Max. memory is 16.0 GB. [2021-04-28 19:34:53,707 INFO L168 Benchmark]: TraceAbstraction took 54198.27 ms. Allocated memory was 396.4 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 293.7 MB in the beginning and 721.0 MB in the end (delta: -427.3 MB). Peak memory consumption was 644.4 MB. Max. memory is 16.0 GB. [2021-04-28 19:34:53,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 302.0 MB. Free memory is still 269.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 784.02 ms. Allocated memory is still 302.0 MB. Free memory was 272.7 MB in the beginning and 266.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 60.08 ms. Allocated memory is still 302.0 MB. Free memory was 266.4 MB in the beginning and 264.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 53.43 ms. Allocated memory is still 302.0 MB. Free memory was 264.3 MB in the beginning and 261.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2843.95 ms. Allocated memory was 302.0 MB in the beginning and 396.4 MB in the end (delta: 94.4 MB). Free memory was 261.2 MB in the beginning and 293.7 MB in the end (delta: -32.5 MB). Peak memory consumption was 157.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 54198.27 ms. Allocated memory was 396.4 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 293.7 MB in the beginning and 721.0 MB in the end (delta: -427.3 MB). Peak memory consumption was 644.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36405.3ms, 104 PlacesBefore, 128 PlacesAfterwards, 96 TransitionsBefore, 119 TransitionsAfterwards, 1778 CoEnabledTransitionPairs, 8 FixpointIterations, 137 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 231 TotalNumberOfCompositions, 16571 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5366, positive: 5084, positive conditional: 5084, positive unconditional: 0, negative: 282, negative conditional: 282, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2141, positive: 2068, positive conditional: 0, positive unconditional: 2068, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2141, positive: 2068, positive conditional: 0, positive unconditional: 2068, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2141, positive: 2039, positive conditional: 0, positive unconditional: 2039, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 102, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1227, positive: 132, positive conditional: 0, positive unconditional: 132, negative: 1095, negative conditional: 0, negative unconditional: 1095, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5366, positive: 3016, positive conditional: 3016, positive unconditional: 0, negative: 209, negative conditional: 209, negative unconditional: 0, unknown: 2141, unknown conditional: 2141, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2134, Positive cache size: 2061, Positive conditional cache size: 2061, Positive unconditional cache size: 0, Negative cache size: 73, Negative conditional cache size: 73, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 477.8ms, 124 PlacesBefore, 75 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 2046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2750 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 602, positive: 520, positive conditional: 520, 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: 197, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 197, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 197, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 451, positive: 87, positive conditional: 0, positive unconditional: 87, negative: 364, negative conditional: 0, negative unconditional: 364, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 602, positive: 349, positive conditional: 349, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 197, unknown conditional: 197, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2331, Positive cache size: 2232, Positive conditional cache size: 2232, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.7ms, 77 PlacesBefore, 53 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 1218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 764 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 137, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 15, positive unconditional: 25, 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: 40, positive: 40, positive conditional: 15, positive unconditional: 25, 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: 40, positive: 40, positive conditional: 0, positive unconditional: 40, 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: 137, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2371, Positive cache size: 2272, Positive conditional cache size: 2272, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.8ms, 57 PlacesBefore, 57 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1312 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 831 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 146, positive: 122, positive conditional: 122, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 29, positive conditional: 14, positive unconditional: 15, 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: 29, positive: 29, positive conditional: 14, positive unconditional: 15, 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: 29, positive: 29, positive conditional: 0, positive unconditional: 29, 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: 146, positive: 93, positive conditional: 93, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2400, Positive cache size: 2301, Positive conditional cache size: 2301, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 50.9ms, 59 PlacesBefore, 59 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 1458 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 972 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 170, positive: 143, positive conditional: 143, 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: 31, positive: 31, positive conditional: 4, positive unconditional: 27, 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: 31, positive: 31, positive conditional: 4, positive unconditional: 27, 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: 31, positive: 31, positive conditional: 0, positive unconditional: 31, 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: 170, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2431, Positive cache size: 2332, Positive conditional cache size: 2332, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1451.4ms, 65 PlacesBefore, 65 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 2124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1776 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 639, positive: 606, positive conditional: 606, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54, positive: 54, positive conditional: 23, positive unconditional: 31, 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: 54, positive: 54, positive conditional: 23, positive unconditional: 31, 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: 54, positive: 54, positive conditional: 0, positive unconditional: 54, 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: 639, positive: 552, positive conditional: 552, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2485, Positive cache size: 2386, Positive conditional cache size: 2386, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1798.9ms, 68 PlacesBefore, 68 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 2054 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1711 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 659, positive: 627, positive conditional: 627, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 659, positive: 620, positive conditional: 620, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2492, Positive cache size: 2393, Positive conditional cache size: 2393, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1680.0ms, 76 PlacesBefore, 76 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 2502 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3265 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1005, positive: 955, positive conditional: 955, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 53, positive conditional: 41, 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: 53, positive: 53, positive conditional: 41, 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: 53, positive: 53, positive conditional: 0, positive unconditional: 53, 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: 1005, positive: 902, positive conditional: 902, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2545, Positive cache size: 2446, Positive conditional cache size: 2446, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 905.5ms, 83 PlacesBefore, 81 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 2074 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2889 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1266, positive: 1218, positive conditional: 1218, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82, positive: 82, positive conditional: 82, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 82, positive: 82, positive conditional: 82, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 82, positive: 82, positive conditional: 0, positive unconditional: 82, 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: 1266, positive: 1136, positive conditional: 1136, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 82, unknown conditional: 82, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2627, Positive cache size: 2528, Positive conditional cache size: 2528, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L719] 0 int y = 0; [L721] 0 int z = 0; [L722] 0 _Bool z$flush_delayed; [L723] 0 int z$mem_tmp; [L724] 0 _Bool z$r_buff0_thd0; [L725] 0 _Bool z$r_buff0_thd1; [L726] 0 _Bool z$r_buff0_thd2; [L727] 0 _Bool z$r_buff0_thd3; [L728] 0 _Bool z$r_buff1_thd0; [L729] 0 _Bool z$r_buff1_thd1; [L730] 0 _Bool z$r_buff1_thd2; [L731] 0 _Bool z$r_buff1_thd3; [L732] 0 _Bool z$read_delayed; [L733] 0 int *z$read_delayed_var; [L734] 0 int z$w_buff0; [L735] 0 _Bool z$w_buff0_used; [L736] 0 int z$w_buff1; [L737] 0 _Bool z$w_buff1_used; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L836] 0 pthread_t t745; [L837] FCALL, FORK 0 pthread_create(&t745, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=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] [L743] 1 z$w_buff1 = z$w_buff0 [L744] 1 z$w_buff0 = 1 [L745] 1 z$w_buff1_used = z$w_buff0_used [L746] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L748] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L749] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L750] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L751] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L752] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$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] [L755] 1 x = 1 VAL [__unbuffered_cnt=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] [L838] 0 pthread_t t746; [L839] FCALL, FORK 0 pthread_create(&t746, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=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] [L772] 2 x = 2 VAL [__unbuffered_cnt=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] [L775] 2 y = 1 VAL [__unbuffered_cnt=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=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] [L840] 0 pthread_t t747; [L841] FCALL, FORK 0 pthread_create(&t747, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=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=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] [L792] 3 y = 2 VAL [__unbuffered_cnt=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=2, 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] [L795] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __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=2, 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] [L798] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L799] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L800] 3 z$flush_delayed = weak$$choice2 [L801] 3 z$mem_tmp = z [L802] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L802] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L803] EXPR 3 weak$$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$w_buff0)) [L803] EXPR 3 !z$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) [L803] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L803] 3 z$w_buff0 = weak$$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)) [L804] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L804] EXPR 3 weak$$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$w_buff1)) [L804] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L805] EXPR 3 weak$$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)) [L805] 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) [L805] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L805] 3 z$w_buff0_used = weak$$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)) [L806] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L806] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] EXPR 3 weak$$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)) [L807] 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) [L807] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L807] 3 z$r_buff0_thd3 = weak$$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)) [L808] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L808] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] 3 __unbuffered_p2_EBX = z [L810] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L810] 3 z = z$flush_delayed ? z$mem_tmp : z [L811] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L758] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L759] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L760] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L761] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L762] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L767] 1 return 0; VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L778] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L778] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L779] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L779] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L780] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L781] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L781] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L782] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L782] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, 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] [L814] 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) [L814] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L814] 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) [L814] 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) [L815] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L815] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L816] 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 [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L817] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L818] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L818] 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 [L821] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L823] 3 return 0; [L843] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L847] 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) [L847] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L847] 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) [L847] 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) [L848] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L848] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L849] 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 [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L850] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L851] 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 [L854] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __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=2, 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, 98 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 15.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 53819.9ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 9390.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 36524.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 74 SDtfs, 66 SDslu, 17 SDs, 0 SdLazy, 335 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 521.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 139.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=760occurred in iteration=8, InterpolantAutomatonStates: 37, 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: 39.2ms SsaConstructionTime, 400.3ms SatisfiabilityAnalysisTime, 483.9ms InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...