/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/goblint-regression/28-race_reach_41-trylock_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 02:41:04,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 02:41:04,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 02:41:04,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 02:41:04,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 02:41:04,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 02:41:04,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 02:41:04,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 02:41:04,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 02:41:04,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 02:41:04,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 02:41:04,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 02:41:04,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 02:41:04,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 02:41:04,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 02:41:04,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 02:41:04,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 02:41:04,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 02:41:04,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 02:41:04,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 02:41:04,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 02:41:04,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 02:41:04,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 02:41:04,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 02:41:04,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 02:41:04,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 02:41:04,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 02:41:04,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 02:41:04,176 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 02:41:04,227 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 02:41:04,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 02:41:04,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 02:41:04,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 02:41:04,232 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 02:41:04,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 02:41:04,232 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 02:41:04,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 02:41:04,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 02:41:04,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 02:41:04,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 02:41:04,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 02:41:04,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 02:41:04,235 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 02:41:04,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 02:41:04,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 02:41:04,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 02:41:04,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 02:41:04,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 02:41:04,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 02:41:04,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 02:41:04,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 02:41:04,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 02:41:04,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 02:41:04,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 02:41:04,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 02:41:04,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 02:41:04,246 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 02:41:04,247 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 02:41:04,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 02:41:04,247 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 02:41:04,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 02:41:04,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 02:41:04,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 02:41:04,664 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 02:41:04,665 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 02:41:04,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2021-04-29 02:41:04,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea385a64f/3dd4efc4fdc94afa8865ab849c364c5d/FLAGec09adbee [2021-04-29 02:41:05,455 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 02:41:05,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2021-04-29 02:41:05,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea385a64f/3dd4efc4fdc94afa8865ab849c364c5d/FLAGec09adbee [2021-04-29 02:41:05,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea385a64f/3dd4efc4fdc94afa8865ab849c364c5d [2021-04-29 02:41:05,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 02:41:05,731 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 02:41:05,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 02:41:05,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 02:41:05,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 02:41:05,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 02:41:05" (1/1) ... [2021-04-29 02:41:05,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77bfc789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:05, skipping insertion in model container [2021-04-29 02:41:05,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 02:41:05" (1/1) ... [2021-04-29 02:41:05,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 02:41:05,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 02:41:06,136 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i[29913,29926] [2021-04-29 02:41:06,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 02:41:06,173 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 02:41:06,211 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i[29913,29926] [2021-04-29 02:41:06,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 02:41:06,357 INFO L208 MainTranslator]: Completed translation [2021-04-29 02:41:06,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:06 WrapperNode [2021-04-29 02:41:06,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 02:41:06,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 02:41:06,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 02:41:06,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 02:41:06,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:06" (1/1) ... [2021-04-29 02:41:06,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:06" (1/1) ... [2021-04-29 02:41:06,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 02:41:06,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 02:41:06,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 02:41:06,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 02:41:06,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:06" (1/1) ... [2021-04-29 02:41:06,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:06" (1/1) ... [2021-04-29 02:41:06,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:06" (1/1) ... [2021-04-29 02:41:06,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:06" (1/1) ... [2021-04-29 02:41:06,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:06" (1/1) ... [2021-04-29 02:41:06,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:06" (1/1) ... [2021-04-29 02:41:06,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:06" (1/1) ... [2021-04-29 02:41:06,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 02:41:06,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 02:41:06,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 02:41:06,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 02:41:06,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 02:41:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2021-04-29 02:41:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-29 02:41:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 02:41:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-04-29 02:41:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 02:41:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-04-29 02:41:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-04-29 02:41:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 02:41:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 02:41:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 02:41:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 02:41:06,545 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 02:41:06,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 02:41:06,972 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-04-29 02:41:06,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 02:41:06 BoogieIcfgContainer [2021-04-29 02:41:06,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 02:41:06,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 02:41:06,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 02:41:06,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 02:41:06,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 02:41:05" (1/3) ... [2021-04-29 02:41:06,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7ff7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 02:41:06, skipping insertion in model container [2021-04-29 02:41:06,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:41:06" (2/3) ... [2021-04-29 02:41:06,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7ff7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 02:41:06, skipping insertion in model container [2021-04-29 02:41:06,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 02:41:06" (3/3) ... [2021-04-29 02:41:06,987 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_41-trylock_racefree.i [2021-04-29 02:41:06,994 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 02:41:06,999 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 02:41:07,003 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 02:41:07,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,069 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,093 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:07,114 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-04-29 02:41:07,139 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-29 02:41:07,186 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 02:41:07,186 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 02:41:07,186 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 02:41:07,187 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 02:41:07,187 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 02:41:07,187 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 02:41:07,187 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 02:41:07,187 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 02:41:07,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 99 transitions, 206 flow [2021-04-29 02:41:07,325 INFO L129 PetriNetUnfolder]: 21/135 cut-off events. [2021-04-29 02:41:07,326 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 02:41:07,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 135 events. 21/135 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 372 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 68. Up to 6 conditions per place. [2021-04-29 02:41:07,343 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 99 transitions, 206 flow [2021-04-29 02:41:07,357 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 94 transitions, 193 flow [2021-04-29 02:41:07,359 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:41:07,377 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 94 transitions, 193 flow [2021-04-29 02:41:07,384 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 94 transitions, 193 flow [2021-04-29 02:41:07,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 94 transitions, 193 flow [2021-04-29 02:41:07,446 INFO L129 PetriNetUnfolder]: 20/130 cut-off events. [2021-04-29 02:41:07,447 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 02:41:07,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 130 events. 20/130 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 360 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 68. Up to 6 conditions per place. [2021-04-29 02:41:07,454 INFO L146 LiptonReduction]: Number of co-enabled transitions 2296 [2021-04-29 02:41:12,993 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-04-29 02:41:13,147 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-04-29 02:41:13,307 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-04-29 02:41:13,498 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-04-29 02:41:15,450 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 02:41:15,626 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 02:41:15,823 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-04-29 02:41:16,024 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-04-29 02:41:16,208 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 02:41:16,377 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 02:41:16,638 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-04-29 02:41:16,966 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-04-29 02:41:17,191 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-04-29 02:41:17,396 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-04-29 02:41:17,605 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-04-29 02:41:17,825 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-04-29 02:41:18,100 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-04-29 02:41:18,407 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-04-29 02:41:18,677 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-04-29 02:41:18,914 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-04-29 02:41:20,378 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-29 02:41:20,577 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 02:41:20,782 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 02:41:21,182 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2021-04-29 02:41:21,299 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 02:41:21,556 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2021-04-29 02:41:21,673 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 02:41:21,935 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2021-04-29 02:41:22,050 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 02:41:22,298 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2021-04-29 02:41:22,409 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 02:41:22,561 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-04-29 02:41:22,808 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-04-29 02:41:23,011 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 02:41:23,192 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 02:41:23,480 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-04-29 02:41:23,592 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 02:41:23,827 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-04-29 02:41:23,930 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 02:41:24,350 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2021-04-29 02:41:24,529 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:41:24,895 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2021-04-29 02:41:25,082 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:41:25,457 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2021-04-29 02:41:25,633 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 02:41:25,986 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2021-04-29 02:41:26,145 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 02:41:26,281 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 02:41:26,473 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 02:41:26,785 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2021-04-29 02:41:26,897 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 02:41:27,152 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2021-04-29 02:41:27,270 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 02:41:27,427 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-04-29 02:41:27,678 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-04-29 02:41:28,022 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-04-29 02:41:28,151 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:41:28,432 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-04-29 02:41:28,561 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:41:28,842 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-04-29 02:41:28,970 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:41:29,253 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-04-29 02:41:29,384 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:41:29,672 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-04-29 02:41:29,823 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:41:30,141 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-04-29 02:41:30,286 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:41:30,342 INFO L158 LiptonReduction]: Checked pairs total: 12650 [2021-04-29 02:41:30,342 INFO L160 LiptonReduction]: Total number of compositions: 165 [2021-04-29 02:41:30,347 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22989 [2021-04-29 02:41:30,368 INFO L129 PetriNetUnfolder]: 4/79 cut-off events. [2021-04-29 02:41:30,368 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 02:41:30,368 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:41:30,369 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 02:41:30,370 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:41:30,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:41:30,376 INFO L82 PathProgramCache]: Analyzing trace with hash 449696046, now seen corresponding path program 1 times [2021-04-29 02:41:30,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:41:30,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015083048] [2021-04-29 02:41:30,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:41:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:41:30,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:41:30,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:41:30,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:41:30,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:41:30,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:41:30,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015083048] [2021-04-29 02:41:30,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 02:41:30,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 02:41:30,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169450016] [2021-04-29 02:41:30,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 02:41:30,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:41:30,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 02:41:30,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 02:41:30,635 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 264 [2021-04-29 02:41:30,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 115 transitions, 235 flow. Second operand has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:41:30,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:41:30,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 264 [2021-04-29 02:41:30,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:41:30,711 INFO L129 PetriNetUnfolder]: 1/97 cut-off events. [2021-04-29 02:41:30,711 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 02:41:30,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 97 events. 1/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 454 event pairs, 0 based on Foata normal form. 16/40 useless extension candidates. Maximal degree in co-relation 64. Up to 10 conditions per place. [2021-04-29 02:41:30,714 INFO L132 encePairwiseOnDemand]: 240/264 looper letters, 3 selfloop transitions, 2 changer transitions 61/97 dead transitions. [2021-04-29 02:41:30,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 97 transitions, 227 flow [2021-04-29 02:41:30,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 02:41:30,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 02:41:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 625 transitions. [2021-04-29 02:41:30,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7891414141414141 [2021-04-29 02:41:30,733 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 625 transitions. [2021-04-29 02:41:30,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 625 transitions. [2021-04-29 02:41:30,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:41:30,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 625 transitions. [2021-04-29 02:41:30,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:41:30,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:41:30,755 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 264.0) internal successors, (1056), 4 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:41:30,757 INFO L185 Difference]: Start difference. First operand has 106 places, 115 transitions, 235 flow. Second operand 3 states and 625 transitions. [2021-04-29 02:41:30,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 97 transitions, 227 flow [2021-04-29 02:41:30,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 97 transitions, 227 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 02:41:30,764 INFO L241 Difference]: Finished difference. Result has 99 places, 36 transitions, 85 flow [2021-04-29 02:41:30,767 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=264, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=99, PETRI_TRANSITIONS=36} [2021-04-29 02:41:30,767 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -7 predicate places. [2021-04-29 02:41:30,768 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:41:30,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 36 transitions, 85 flow [2021-04-29 02:41:30,768 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 36 transitions, 85 flow [2021-04-29 02:41:30,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 36 transitions, 85 flow [2021-04-29 02:41:30,774 INFO L129 PetriNetUnfolder]: 1/37 cut-off events. [2021-04-29 02:41:30,774 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 02:41:30,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 37 events. 1/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 89 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 36. Up to 3 conditions per place. [2021-04-29 02:41:30,775 INFO L146 LiptonReduction]: Number of co-enabled transitions 416 [2021-04-29 02:41:31,790 INFO L158 LiptonReduction]: Checked pairs total: 922 [2021-04-29 02:41:31,790 INFO L160 LiptonReduction]: Total number of compositions: 22 [2021-04-29 02:41:31,791 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1023 [2021-04-29 02:41:31,793 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 37 transitions, 87 flow [2021-04-29 02:41:31,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:41:31,794 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:41:31,794 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 02:41:31,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 02:41:31,795 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:41:31,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:41:31,795 INFO L82 PathProgramCache]: Analyzing trace with hash 448938037, now seen corresponding path program 1 times [2021-04-29 02:41:31,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:41:31,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519383295] [2021-04-29 02:41:31,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:41:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 02:41:31,834 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 02:41:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 02:41:31,859 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 02:41:31,884 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 02:41:31,885 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 02:41:31,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 02:41:31,886 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 02:41:31,887 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-04-29 02:41:31,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,904 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,904 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,905 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,905 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,913 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,913 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,913 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,914 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,914 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,914 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,914 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,914 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,914 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,916 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,916 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,916 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,918 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,918 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,918 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,918 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,919 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,920 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,920 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,920 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,920 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,920 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,920 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,920 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,920 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,921 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,921 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,921 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,921 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,921 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,921 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,922 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,922 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,922 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,922 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,922 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,922 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,922 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,923 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,923 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,923 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,923 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,923 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,923 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,924 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,925 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,925 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,926 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,926 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,926 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,927 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,928 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,928 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,929 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:41:31,932 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-04-29 02:41:31,933 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-29 02:41:31,937 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 02:41:31,937 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 02:41:31,937 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 02:41:31,938 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 02:41:31,938 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 02:41:31,938 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 02:41:31,938 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 02:41:31,938 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 02:41:31,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 129 transitions, 276 flow [2021-04-29 02:41:31,991 INFO L129 PetriNetUnfolder]: 37/224 cut-off events. [2021-04-29 02:41:31,991 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-29 02:41:31,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 224 events. 37/224 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 734 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 137. Up to 9 conditions per place. [2021-04-29 02:41:31,995 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 129 transitions, 276 flow [2021-04-29 02:41:31,999 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 113 places, 129 transitions, 276 flow [2021-04-29 02:41:31,999 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:41:31,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 129 transitions, 276 flow [2021-04-29 02:41:32,000 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 129 transitions, 276 flow [2021-04-29 02:41:32,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 129 transitions, 276 flow [2021-04-29 02:41:32,028 INFO L129 PetriNetUnfolder]: 37/224 cut-off events. [2021-04-29 02:41:32,028 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-29 02:41:32,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 224 events. 37/224 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 748 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 137. Up to 9 conditions per place. [2021-04-29 02:41:32,037 INFO L146 LiptonReduction]: Number of co-enabled transitions 6776 [2021-04-29 02:41:37,864 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-29 02:41:38,028 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-29 02:41:38,440 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 02:41:38,607 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 02:41:39,772 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-04-29 02:41:39,958 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-04-29 02:41:40,196 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-04-29 02:41:40,450 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-04-29 02:41:40,666 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-04-29 02:41:40,864 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-04-29 02:41:41,094 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-04-29 02:41:41,333 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-04-29 02:41:41,588 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 02:41:41,824 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 02:41:43,397 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-29 02:41:43,708 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-29 02:41:44,180 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-04-29 02:41:44,355 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 02:41:44,730 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-04-29 02:41:44,900 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 02:41:45,182 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:41:45,308 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:41:45,618 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:41:45,748 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:41:46,106 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2021-04-29 02:41:46,271 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-29 02:41:46,615 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2021-04-29 02:41:46,783 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-29 02:41:47,082 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:41:47,217 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:41:47,507 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:41:47,632 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:41:47,885 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2021-04-29 02:41:48,000 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 02:41:48,259 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2021-04-29 02:41:48,374 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 02:41:48,609 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-29 02:41:48,716 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 02:41:48,954 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-29 02:41:49,062 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 02:41:49,355 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:41:49,493 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:41:49,811 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:41:49,948 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:41:50,207 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 02:41:50,325 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 02:41:50,577 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 02:41:50,690 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 02:41:50,974 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-04-29 02:41:51,101 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 02:41:51,384 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-04-29 02:41:51,512 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 02:41:53,357 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 02:41:53,473 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 02:41:53,606 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 02:41:53,742 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 02:41:53,898 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 02:41:54,045 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 02:41:54,203 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 02:41:54,361 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 02:41:54,530 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:41:54,690 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:41:54,857 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:41:55,019 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:41:55,181 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:41:55,339 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:41:55,509 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:41:55,670 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:41:55,879 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:41:56,092 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 02:41:56,309 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:41:56,516 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 02:41:56,732 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 02:41:56,940 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:41:57,174 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 02:41:57,384 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:41:57,538 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 02:41:57,682 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 02:41:57,840 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 02:41:57,988 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 02:41:58,162 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:41:58,347 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:41:58,515 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:41:58,677 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:41:58,821 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 02:41:58,954 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 02:41:59,099 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 02:41:59,241 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 02:41:59,343 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 02:41:59,540 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 02:41:59,779 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 02:41:59,907 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-29 02:42:00,048 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 02:42:00,176 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-29 02:42:00,235 INFO L158 LiptonReduction]: Checked pairs total: 54839 [2021-04-29 02:42:00,236 INFO L160 LiptonReduction]: Total number of compositions: 191 [2021-04-29 02:42:00,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28238 [2021-04-29 02:42:00,247 INFO L129 PetriNetUnfolder]: 4/77 cut-off events. [2021-04-29 02:42:00,248 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 02:42:00,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:42:00,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 02:42:00,248 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:42:00,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:42:00,249 INFO L82 PathProgramCache]: Analyzing trace with hash 806063119, now seen corresponding path program 1 times [2021-04-29 02:42:00,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:42:00,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308859814] [2021-04-29 02:42:00,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:42:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:42:00,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:00,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:00,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:00,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:42:00,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308859814] [2021-04-29 02:42:00,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 02:42:00,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 02:42:00,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339041076] [2021-04-29 02:42:00,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 02:42:00,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:42:00,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 02:42:00,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 02:42:00,305 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 320 [2021-04-29 02:42:00,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 166 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:00,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:42:00,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 320 [2021-04-29 02:42:00,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:42:00,371 INFO L129 PetriNetUnfolder]: 4/222 cut-off events. [2021-04-29 02:42:00,371 INFO L130 PetriNetUnfolder]: For 6/11 co-relation queries the response was YES. [2021-04-29 02:42:00,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 222 events. 4/222 cut-off events. For 6/11 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1252 event pairs, 0 based on Foata normal form. 39/95 useless extension candidates. Maximal degree in co-relation 143. Up to 17 conditions per place. [2021-04-29 02:42:00,373 INFO L132 encePairwiseOnDemand]: 296/320 looper letters, 5 selfloop transitions, 2 changer transitions 79/152 dead transitions. [2021-04-29 02:42:00,373 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 152 transitions, 356 flow [2021-04-29 02:42:00,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 02:42:00,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 02:42:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 772 transitions. [2021-04-29 02:42:00,377 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8041666666666667 [2021-04-29 02:42:00,377 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 772 transitions. [2021-04-29 02:42:00,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 772 transitions. [2021-04-29 02:42:00,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:42:00,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 772 transitions. [2021-04-29 02:42:00,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:00,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:00,385 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:00,385 INFO L185 Difference]: Start difference. First operand has 150 places, 166 transitions, 350 flow. Second operand 3 states and 772 transitions. [2021-04-29 02:42:00,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 152 transitions, 356 flow [2021-04-29 02:42:00,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 152 transitions, 356 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 02:42:00,391 INFO L241 Difference]: Finished difference. Result has 151 places, 72 transitions, 166 flow [2021-04-29 02:42:00,391 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=166, PETRI_PLACES=151, PETRI_TRANSITIONS=72} [2021-04-29 02:42:00,391 INFO L343 CegarLoopForPetriNet]: 150 programPoint places, 1 predicate places. [2021-04-29 02:42:00,391 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:42:00,392 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 72 transitions, 166 flow [2021-04-29 02:42:00,392 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 72 transitions, 166 flow [2021-04-29 02:42:00,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 72 transitions, 166 flow [2021-04-29 02:42:00,401 INFO L129 PetriNetUnfolder]: 2/79 cut-off events. [2021-04-29 02:42:00,401 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 02:42:00,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 79 events. 2/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 274 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 83. Up to 5 conditions per place. [2021-04-29 02:42:00,404 INFO L146 LiptonReduction]: Number of co-enabled transitions 2880 [2021-04-29 02:42:01,247 INFO L158 LiptonReduction]: Checked pairs total: 12658 [2021-04-29 02:42:01,247 INFO L160 LiptonReduction]: Total number of compositions: 12 [2021-04-29 02:42:01,248 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 857 [2021-04-29 02:42:01,250 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 75 transitions, 172 flow [2021-04-29 02:42:01,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:01,251 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:42:01,251 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 02:42:01,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 02:42:01,251 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:42:01,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:42:01,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1959606691, now seen corresponding path program 1 times [2021-04-29 02:42:01,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:42:01,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233004533] [2021-04-29 02:42:01,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:42:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:42:01,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:01,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:42:01,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233004533] [2021-04-29 02:42:01,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233205113] [2021-04-29 02:42:01,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 02:42:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:42:01,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2021-04-29 02:42:01,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 02:42:01,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 02:42:01,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 02:42:01,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 02:42:01,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 02:42:01,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 02:42:01,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 02:42:01,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:01,539 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 02:42:01,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:01,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:01,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:01,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:01,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:01,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:01,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:01,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:01,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:01,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:01,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:42:01,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 02:42:01,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-04-29 02:42:01,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112291822] [2021-04-29 02:42:01,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 02:42:01,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:42:01,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 02:42:01,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-04-29 02:42:01,558 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 332 [2021-04-29 02:42:01,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 75 transitions, 172 flow. Second operand has 5 states, 5 states have (on average 256.4) internal successors, (1282), 5 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:01,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:42:01,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 332 [2021-04-29 02:42:01,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:42:01,623 INFO L129 PetriNetUnfolder]: 1/77 cut-off events. [2021-04-29 02:42:01,623 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 02:42:01,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 77 events. 1/77 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 278 event pairs, 0 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 85. Up to 5 conditions per place. [2021-04-29 02:42:01,624 INFO L132 encePairwiseOnDemand]: 329/332 looper letters, 4 selfloop transitions, 3 changer transitions 2/77 dead transitions. [2021-04-29 02:42:01,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 77 transitions, 192 flow [2021-04-29 02:42:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 02:42:01,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 02:42:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1029 transitions. [2021-04-29 02:42:01,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7748493975903614 [2021-04-29 02:42:01,633 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1029 transitions. [2021-04-29 02:42:01,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1029 transitions. [2021-04-29 02:42:01,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:42:01,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1029 transitions. [2021-04-29 02:42:01,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 257.25) internal successors, (1029), 4 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:01,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 332.0) internal successors, (1660), 5 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:01,655 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 332.0) internal successors, (1660), 5 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:01,655 INFO L185 Difference]: Start difference. First operand has 81 places, 75 transitions, 172 flow. Second operand 4 states and 1029 transitions. [2021-04-29 02:42:01,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 77 transitions, 192 flow [2021-04-29 02:42:01,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 77 transitions, 188 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-29 02:42:01,666 INFO L241 Difference]: Finished difference. Result has 84 places, 74 transitions, 176 flow [2021-04-29 02:42:01,666 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=176, PETRI_PLACES=84, PETRI_TRANSITIONS=74} [2021-04-29 02:42:01,667 INFO L343 CegarLoopForPetriNet]: 150 programPoint places, -66 predicate places. [2021-04-29 02:42:01,667 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:42:01,667 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 74 transitions, 176 flow [2021-04-29 02:42:01,667 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 74 transitions, 176 flow [2021-04-29 02:42:01,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 74 transitions, 176 flow [2021-04-29 02:42:01,691 INFO L129 PetriNetUnfolder]: 1/76 cut-off events. [2021-04-29 02:42:01,693 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-04-29 02:42:01,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 76 events. 1/76 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 286 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 76. Up to 4 conditions per place. [2021-04-29 02:42:01,697 INFO L146 LiptonReduction]: Number of co-enabled transitions 2994 [2021-04-29 02:42:01,714 INFO L158 LiptonReduction]: Checked pairs total: 4388 [2021-04-29 02:42:01,714 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 02:42:01,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-04-29 02:42:01,716 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 74 transitions, 176 flow [2021-04-29 02:42:01,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 256.4) internal successors, (1282), 5 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:01,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:42:01,718 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1] [2021-04-29 02:42:01,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 02:42:01,933 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:42:01,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:42:01,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1959968708, now seen corresponding path program 1 times [2021-04-29 02:42:01,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:42:01,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773364857] [2021-04-29 02:42:01,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:42:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 02:42:01,982 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 02:42:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 02:42:02,015 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 02:42:02,028 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 02:42:02,029 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 02:42:02,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 02:42:02,032 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 02:42:02,033 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-04-29 02:42:02,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,052 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,052 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,053 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,053 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,058 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,059 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,059 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,059 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,073 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,073 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,073 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,078 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,079 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,081 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:02,090 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-04-29 02:42:02,090 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-29 02:42:02,092 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 02:42:02,092 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 02:42:02,092 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 02:42:02,092 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 02:42:02,093 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 02:42:02,093 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 02:42:02,093 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 02:42:02,093 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 02:42:02,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 159 transitions, 348 flow [2021-04-29 02:42:02,144 INFO L129 PetriNetUnfolder]: 58/344 cut-off events. [2021-04-29 02:42:02,144 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-04-29 02:42:02,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 344 events. 58/344 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1215 event pairs, 1 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 232. Up to 16 conditions per place. [2021-04-29 02:42:02,147 INFO L82 GeneralOperation]: Start removeDead. Operand has 138 places, 159 transitions, 348 flow [2021-04-29 02:42:02,151 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 159 transitions, 348 flow [2021-04-29 02:42:02,151 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:42:02,152 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 159 transitions, 348 flow [2021-04-29 02:42:02,153 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 159 transitions, 348 flow [2021-04-29 02:42:02,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 159 transitions, 348 flow [2021-04-29 02:42:02,200 INFO L129 PetriNetUnfolder]: 58/344 cut-off events. [2021-04-29 02:42:02,200 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-04-29 02:42:02,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 344 events. 58/344 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1229 event pairs, 1 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 232. Up to 16 conditions per place. [2021-04-29 02:42:02,243 INFO L146 LiptonReduction]: Number of co-enabled transitions 12768 [2021-04-29 02:42:09,833 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-29 02:42:10,011 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-29 02:42:10,198 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 02:42:10,384 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 02:42:12,350 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-04-29 02:42:12,571 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-04-29 02:42:12,811 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 02:42:13,079 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 02:42:13,332 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-04-29 02:42:13,604 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-04-29 02:42:13,836 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-04-29 02:42:14,044 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-04-29 02:42:14,278 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-04-29 02:42:14,532 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-04-29 02:42:15,947 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:42:16,097 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:42:16,391 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:42:16,525 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:42:16,791 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2021-04-29 02:42:16,916 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 02:42:17,225 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2021-04-29 02:42:17,346 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 02:42:17,644 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-04-29 02:42:17,774 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 02:42:18,072 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-04-29 02:42:18,206 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 02:42:18,513 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:42:18,648 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:42:18,955 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:42:19,100 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:42:19,340 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-29 02:42:19,453 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 02:42:19,691 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-29 02:42:19,802 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 02:42:20,065 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 02:42:20,189 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 02:42:20,467 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 02:42:20,590 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 02:42:20,853 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-29 02:42:20,970 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 02:42:21,257 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-29 02:42:21,370 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 02:42:21,767 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2021-04-29 02:42:21,948 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-29 02:42:22,347 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2021-04-29 02:42:22,534 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-29 02:42:22,950 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-04-29 02:42:23,140 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 02:42:23,567 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-04-29 02:42:23,765 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 02:42:24,083 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:42:24,231 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:42:24,542 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:42:24,687 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:42:24,968 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 02:42:25,166 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 02:42:25,270 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 02:42:25,765 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 02:42:26,146 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 02:42:26,270 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 02:42:26,848 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 02:42:26,989 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-29 02:42:27,137 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 02:42:27,273 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-29 02:42:27,421 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 02:42:27,551 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 02:42:27,695 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 02:42:27,830 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 02:42:27,947 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 02:42:28,060 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 02:42:28,169 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 02:42:28,274 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 02:42:28,456 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:42:28,633 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:42:28,813 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:42:28,994 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:42:29,147 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 02:42:29,297 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 02:42:29,463 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 02:42:29,618 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 02:42:29,789 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 02:42:29,950 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 02:42:30,113 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 02:42:30,272 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 02:42:30,483 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 02:42:30,660 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 02:42:30,834 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 02:42:31,003 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 02:42:31,197 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:42:31,384 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:42:31,574 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:42:31,759 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:42:31,959 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:42:32,144 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:42:32,336 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:42:32,516 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:42:32,774 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 02:42:33,014 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:42:33,253 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 02:42:33,495 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:42:33,740 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:42:33,980 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 02:42:34,235 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:42:34,465 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 02:42:34,559 INFO L158 LiptonReduction]: Checked pairs total: 103561 [2021-04-29 02:42:34,559 INFO L160 LiptonReduction]: Total number of compositions: 210 [2021-04-29 02:42:34,560 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32409 [2021-04-29 02:42:34,570 INFO L129 PetriNetUnfolder]: 4/73 cut-off events. [2021-04-29 02:42:34,570 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 02:42:34,570 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:42:34,570 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 02:42:34,570 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:42:34,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:42:34,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1201824187, now seen corresponding path program 1 times [2021-04-29 02:42:34,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:42:34,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27155228] [2021-04-29 02:42:34,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:42:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:42:34,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:34,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:34,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:34,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:34,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:42:34,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27155228] [2021-04-29 02:42:34,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 02:42:34,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 02:42:34,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417075427] [2021-04-29 02:42:34,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 02:42:34,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:42:34,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 02:42:34,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 02:42:34,600 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 369 [2021-04-29 02:42:34,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 203 transitions, 436 flow. Second operand has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:34,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:42:34,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 369 [2021-04-29 02:42:34,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:42:34,682 INFO L129 PetriNetUnfolder]: 10/349 cut-off events. [2021-04-29 02:42:34,683 INFO L130 PetriNetUnfolder]: For 19/30 co-relation queries the response was YES. [2021-04-29 02:42:34,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 349 events. 10/349 cut-off events. For 19/30 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2196 event pairs, 1 based on Foata normal form. 86/178 useless extension candidates. Maximal degree in co-relation 253. Up to 24 conditions per place. [2021-04-29 02:42:34,686 INFO L132 encePairwiseOnDemand]: 338/369 looper letters, 5 selfloop transitions, 2 changer transitions 80/182 dead transitions. [2021-04-29 02:42:34,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 182 transitions, 428 flow [2021-04-29 02:42:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 02:42:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 02:42:34,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 881 transitions. [2021-04-29 02:42:34,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7958446251129178 [2021-04-29 02:42:34,691 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 881 transitions. [2021-04-29 02:42:34,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 881 transitions. [2021-04-29 02:42:34,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:42:34,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 881 transitions. [2021-04-29 02:42:34,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:34,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:34,699 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:34,699 INFO L185 Difference]: Start difference. First operand has 181 places, 203 transitions, 436 flow. Second operand 3 states and 881 transitions. [2021-04-29 02:42:34,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 182 transitions, 428 flow [2021-04-29 02:42:34,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 182 transitions, 428 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 02:42:34,705 INFO L241 Difference]: Finished difference. Result has 182 places, 101 transitions, 233 flow [2021-04-29 02:42:34,705 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=182, PETRI_TRANSITIONS=101} [2021-04-29 02:42:34,705 INFO L343 CegarLoopForPetriNet]: 181 programPoint places, 1 predicate places. [2021-04-29 02:42:34,706 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:42:34,706 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 101 transitions, 233 flow [2021-04-29 02:42:34,706 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 101 transitions, 233 flow [2021-04-29 02:42:34,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 101 transitions, 233 flow [2021-04-29 02:42:34,719 INFO L129 PetriNetUnfolder]: 3/115 cut-off events. [2021-04-29 02:42:34,719 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-29 02:42:34,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 115 events. 3/115 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 503 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 126. Up to 7 conditions per place. [2021-04-29 02:42:34,725 INFO L146 LiptonReduction]: Number of co-enabled transitions 6810 [2021-04-29 02:42:36,216 INFO L158 LiptonReduction]: Checked pairs total: 20754 [2021-04-29 02:42:36,216 INFO L160 LiptonReduction]: Total number of compositions: 13 [2021-04-29 02:42:36,217 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1511 [2021-04-29 02:42:36,219 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 104 transitions, 239 flow [2021-04-29 02:42:36,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:36,220 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:42:36,220 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 02:42:36,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 02:42:36,220 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:42:36,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:42:36,221 INFO L82 PathProgramCache]: Analyzing trace with hash -537066163, now seen corresponding path program 1 times [2021-04-29 02:42:36,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:42:36,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654645509] [2021-04-29 02:42:36,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:42:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:42:36,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:42:36,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654645509] [2021-04-29 02:42:36,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487178789] [2021-04-29 02:42:36,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 02:42:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:42:36,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2021-04-29 02:42:36,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 02:42:36,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 02:42:36,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 02:42:36,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 02:42:36,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 02:42:36,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 02:42:36,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 02:42:36,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,387 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 02:42:36,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:36,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:36,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:36,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:36,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:36,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:36,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:36,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:36,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:36,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:42:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:42:36,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 02:42:36,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-04-29 02:42:36,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289733212] [2021-04-29 02:42:36,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 02:42:36,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:42:36,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 02:42:36,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-04-29 02:42:36,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 382 [2021-04-29 02:42:36,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 104 transitions, 239 flow. Second operand has 5 states, 5 states have (on average 291.4) internal successors, (1457), 5 states have internal predecessors, (1457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:36,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:42:36,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 382 [2021-04-29 02:42:36,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:42:36,444 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-29 02:42:36,445 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-04-29 02:42:36,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 113 events. 2/113 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 492 event pairs, 0 based on Foata normal form. 1/49 useless extension candidates. Maximal degree in co-relation 131. Up to 8 conditions per place. [2021-04-29 02:42:36,446 INFO L132 encePairwiseOnDemand]: 379/382 looper letters, 6 selfloop transitions, 3 changer transitions 1/107 dead transitions. [2021-04-29 02:42:36,446 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 107 transitions, 265 flow [2021-04-29 02:42:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 02:42:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 02:42:36,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1170 transitions. [2021-04-29 02:42:36,451 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7657068062827225 [2021-04-29 02:42:36,451 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1170 transitions. [2021-04-29 02:42:36,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1170 transitions. [2021-04-29 02:42:36,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:42:36,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1170 transitions. [2021-04-29 02:42:36,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 292.5) internal successors, (1170), 4 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:36,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:36,461 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:36,461 INFO L185 Difference]: Start difference. First operand has 112 places, 104 transitions, 239 flow. Second operand 4 states and 1170 transitions. [2021-04-29 02:42:36,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 107 transitions, 265 flow [2021-04-29 02:42:36,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 107 transitions, 257 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-04-29 02:42:36,465 INFO L241 Difference]: Finished difference. Result has 115 places, 104 transitions, 245 flow [2021-04-29 02:42:36,465 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=245, PETRI_PLACES=115, PETRI_TRANSITIONS=104} [2021-04-29 02:42:36,465 INFO L343 CegarLoopForPetriNet]: 181 programPoint places, -66 predicate places. [2021-04-29 02:42:36,466 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:42:36,466 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 104 transitions, 245 flow [2021-04-29 02:42:36,466 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 104 transitions, 245 flow [2021-04-29 02:42:36,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 104 transitions, 245 flow [2021-04-29 02:42:36,481 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-04-29 02:42:36,481 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-29 02:42:36,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 111 events. 2/111 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 517 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 118. Up to 6 conditions per place. [2021-04-29 02:42:36,487 INFO L146 LiptonReduction]: Number of co-enabled transitions 7166 [2021-04-29 02:42:36,505 INFO L158 LiptonReduction]: Checked pairs total: 11192 [2021-04-29 02:42:36,505 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 02:42:36,505 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-04-29 02:42:36,507 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 104 transitions, 245 flow [2021-04-29 02:42:36,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 291.4) internal successors, (1457), 5 states have internal predecessors, (1457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:36,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:42:36,509 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-04-29 02:42:36,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 02:42:36,725 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:42:36,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:42:36,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1317577387, now seen corresponding path program 1 times [2021-04-29 02:42:36,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:42:36,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807771995] [2021-04-29 02:42:36,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:42:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:42:36,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:42:36,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:42:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-04-29 02:42:36,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807771995] [2021-04-29 02:42:36,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 02:42:36,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 02:42:36,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36272464] [2021-04-29 02:42:36,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 02:42:36,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:42:36,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 02:42:36,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 02:42:36,797 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 382 [2021-04-29 02:42:36,799 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 104 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 260.6666666666667) internal successors, (782), 3 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:36,799 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:42:36,799 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 382 [2021-04-29 02:42:36,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:42:38,200 INFO L129 PetriNetUnfolder]: 6569/13944 cut-off events. [2021-04-29 02:42:38,201 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-29 02:42:38,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23541 conditions, 13944 events. 6569/13944 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 1261. Compared 146694 event pairs, 5203 based on Foata normal form. 24/5871 useless extension candidates. Maximal degree in co-relation 23517. Up to 9513 conditions per place. [2021-04-29 02:42:38,360 INFO L132 encePairwiseOnDemand]: 374/382 looper letters, 38 selfloop transitions, 10 changer transitions 0/119 dead transitions. [2021-04-29 02:42:38,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 119 transitions, 371 flow [2021-04-29 02:42:38,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 02:42:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 02:42:38,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2021-04-29 02:42:38,364 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7068062827225131 [2021-04-29 02:42:38,365 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2021-04-29 02:42:38,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2021-04-29 02:42:38,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:42:38,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2021-04-29 02:42:38,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:38,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:38,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:38,371 INFO L185 Difference]: Start difference. First operand has 114 places, 104 transitions, 245 flow. Second operand 3 states and 810 transitions. [2021-04-29 02:42:38,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 119 transitions, 371 flow [2021-04-29 02:42:38,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 119 transitions, 365 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-29 02:42:38,375 INFO L241 Difference]: Finished difference. Result has 115 places, 113 transitions, 307 flow [2021-04-29 02:42:38,375 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=307, PETRI_PLACES=115, PETRI_TRANSITIONS=113} [2021-04-29 02:42:38,375 INFO L343 CegarLoopForPetriNet]: 181 programPoint places, -66 predicate places. [2021-04-29 02:42:38,375 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:42:38,376 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 113 transitions, 307 flow [2021-04-29 02:42:38,376 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 113 transitions, 307 flow [2021-04-29 02:42:38,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 113 transitions, 307 flow [2021-04-29 02:42:38,447 INFO L129 PetriNetUnfolder]: 236/847 cut-off events. [2021-04-29 02:42:38,447 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 02:42:38,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1259 conditions, 847 events. 236/847 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 6888 event pairs, 117 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 1236. Up to 376 conditions per place. [2021-04-29 02:42:38,470 INFO L146 LiptonReduction]: Number of co-enabled transitions 7562 [2021-04-29 02:42:38,564 INFO L158 LiptonReduction]: Checked pairs total: 10574 [2021-04-29 02:42:38,565 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 02:42:38,565 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 190 [2021-04-29 02:42:38,567 INFO L480 AbstractCegarLoop]: Abstraction has has 115 places, 113 transitions, 307 flow [2021-04-29 02:42:38,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 260.6666666666667) internal successors, (782), 3 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:42:38,568 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:42:38,568 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1] [2021-04-29 02:42:38,568 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 02:42:38,568 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:42:38,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:42:38,569 INFO L82 PathProgramCache]: Analyzing trace with hash 2104054310, now seen corresponding path program 1 times [2021-04-29 02:42:38,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:42:38,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607435084] [2021-04-29 02:42:38,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:42:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 02:42:38,583 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 02:42:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 02:42:38,594 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 02:42:38,600 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 02:42:38,600 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 02:42:38,600 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 02:42:38,600 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 02:42:38,601 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-04-29 02:42:38,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,615 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,615 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,615 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,615 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,616 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,617 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,617 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,617 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,617 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,617 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,617 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,617 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,617 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,621 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,621 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,621 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,621 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,625 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,625 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,625 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,625 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,625 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,625 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,625 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,625 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,625 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,626 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,626 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,626 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,626 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,626 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,626 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,626 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,626 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,629 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,630 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,630 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,630 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,635 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,635 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,637 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,638 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,638 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,638 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,638 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,639 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,640 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,640 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,642 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,643 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:38,648 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-04-29 02:42:38,649 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-29 02:42:38,650 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 02:42:38,650 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 02:42:38,650 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 02:42:38,650 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 02:42:38,650 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 02:42:38,651 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 02:42:38,651 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 02:42:38,651 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 02:42:38,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 189 transitions, 422 flow [2021-04-29 02:42:38,710 INFO L129 PetriNetUnfolder]: 91/528 cut-off events. [2021-04-29 02:42:38,710 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-04-29 02:42:38,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 528 events. 91/528 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2150 event pairs, 6 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 364. Up to 32 conditions per place. [2021-04-29 02:42:38,716 INFO L82 GeneralOperation]: Start removeDead. Operand has 163 places, 189 transitions, 422 flow [2021-04-29 02:42:38,721 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 189 transitions, 422 flow [2021-04-29 02:42:38,721 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:42:38,721 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 189 transitions, 422 flow [2021-04-29 02:42:38,722 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 189 transitions, 422 flow [2021-04-29 02:42:38,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 189 transitions, 422 flow [2021-04-29 02:42:38,794 INFO L129 PetriNetUnfolder]: 91/528 cut-off events. [2021-04-29 02:42:38,794 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-04-29 02:42:38,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 528 events. 91/528 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2129 event pairs, 6 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 364. Up to 32 conditions per place. [2021-04-29 02:42:38,819 INFO L146 LiptonReduction]: Number of co-enabled transitions 20496 [2021-04-29 02:42:49,195 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 02:42:49,403 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 02:42:49,870 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-29 02:42:50,063 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-29 02:42:52,198 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-04-29 02:42:52,428 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-04-29 02:42:52,669 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-04-29 02:42:52,916 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-04-29 02:42:53,189 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-04-29 02:42:53,470 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-04-29 02:42:54,004 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 02:42:54,270 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 02:42:54,558 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-04-29 02:42:54,857 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-04-29 02:42:56,567 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:42:56,719 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:42:57,058 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:42:57,214 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:42:57,665 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-04-29 02:42:57,868 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 02:42:58,302 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-04-29 02:42:58,505 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 02:42:58,796 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 02:42:58,928 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 02:42:59,230 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 02:42:59,366 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 02:42:59,711 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2021-04-29 02:42:59,855 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 02:43:00,167 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2021-04-29 02:43:00,301 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 02:43:00,757 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2021-04-29 02:43:00,967 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-29 02:43:01,415 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2021-04-29 02:43:01,616 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-29 02:43:01,939 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-04-29 02:43:02,090 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 02:43:02,418 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-04-29 02:43:02,565 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 02:43:02,841 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-29 02:43:02,969 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 02:43:03,254 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-29 02:43:03,379 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 02:43:03,735 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:43:03,899 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:43:04,261 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:43:04,414 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:43:04,726 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-29 02:43:04,856 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 02:43:05,151 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-29 02:43:05,274 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 02:43:05,628 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:43:05,793 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:43:06,147 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:43:06,310 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:43:07,019 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 02:43:07,221 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 02:43:07,665 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 02:43:07,775 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 02:43:07,891 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 02:43:08,002 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 02:43:08,111 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 02:43:08,216 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 02:43:08,318 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 02:43:08,420 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 02:43:08,655 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 02:43:08,823 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-29 02:43:08,989 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 02:43:09,146 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-29 02:43:09,337 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 02:43:09,543 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 02:43:09,729 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 02:43:09,891 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 02:43:10,104 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:43:10,297 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:43:10,503 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:43:10,706 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:43:10,894 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 02:43:11,076 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 02:43:11,269 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 02:43:11,454 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 02:43:11,577 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 02:43:11,690 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 02:43:11,818 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 02:43:11,940 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 02:43:12,210 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 02:43:12,485 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:43:12,769 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 02:43:13,041 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:43:13,251 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:43:13,453 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:43:13,663 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:43:13,865 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:43:14,084 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:43:14,278 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:43:14,487 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:43:14,686 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:43:14,981 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:43:15,229 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 02:43:15,514 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:43:15,778 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 02:43:15,971 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 02:43:16,167 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 02:43:16,377 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 02:43:16,572 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 02:43:16,740 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 02:43:16,901 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 02:43:17,064 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 02:43:17,216 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 02:43:17,338 INFO L158 LiptonReduction]: Checked pairs total: 163940 [2021-04-29 02:43:17,338 INFO L160 LiptonReduction]: Total number of compositions: 227 [2021-04-29 02:43:17,339 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38618 [2021-04-29 02:43:17,348 INFO L129 PetriNetUnfolder]: 2/63 cut-off events. [2021-04-29 02:43:17,348 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 02:43:17,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:43:17,348 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 02:43:17,349 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:43:17,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:43:17,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1635884661, now seen corresponding path program 1 times [2021-04-29 02:43:17,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:43:17,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781600021] [2021-04-29 02:43:17,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:43:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:43:17,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:17,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:17,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:17,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:17,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:43:17,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781600021] [2021-04-29 02:43:17,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 02:43:17,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 02:43:17,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512888819] [2021-04-29 02:43:17,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 02:43:17,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:43:17,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 02:43:17,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 02:43:17,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 416 [2021-04-29 02:43:17,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 237 transitions, 518 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:17,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:43:17,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 416 [2021-04-29 02:43:17,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:43:17,490 INFO L129 PetriNetUnfolder]: 24/544 cut-off events. [2021-04-29 02:43:17,491 INFO L130 PetriNetUnfolder]: For 48/67 co-relation queries the response was YES. [2021-04-29 02:43:17,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 544 events. 24/544 cut-off events. For 48/67 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3712 event pairs, 6 based on Foata normal form. 171/319 useless extension candidates. Maximal degree in co-relation 404. Up to 32 conditions per place. [2021-04-29 02:43:17,495 INFO L132 encePairwiseOnDemand]: 381/416 looper letters, 5 selfloop transitions, 2 changer transitions 81/212 dead transitions. [2021-04-29 02:43:17,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 212 transitions, 502 flow [2021-04-29 02:43:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 02:43:17,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 02:43:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 989 transitions. [2021-04-29 02:43:17,500 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7924679487179487 [2021-04-29 02:43:17,500 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 989 transitions. [2021-04-29 02:43:17,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 989 transitions. [2021-04-29 02:43:17,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:43:17,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 989 transitions. [2021-04-29 02:43:17,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 329.6666666666667) internal successors, (989), 3 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:17,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:17,508 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:17,508 INFO L185 Difference]: Start difference. First operand has 212 places, 237 transitions, 518 flow. Second operand 3 states and 989 transitions. [2021-04-29 02:43:17,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 212 transitions, 502 flow [2021-04-29 02:43:17,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 212 transitions, 502 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 02:43:17,514 INFO L241 Difference]: Finished difference. Result has 213 places, 130 transitions, 302 flow [2021-04-29 02:43:17,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=213, PETRI_TRANSITIONS=130} [2021-04-29 02:43:17,515 INFO L343 CegarLoopForPetriNet]: 212 programPoint places, 1 predicate places. [2021-04-29 02:43:17,515 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:43:17,515 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 213 places, 130 transitions, 302 flow [2021-04-29 02:43:17,515 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 213 places, 130 transitions, 302 flow [2021-04-29 02:43:17,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 130 transitions, 302 flow [2021-04-29 02:43:17,532 INFO L129 PetriNetUnfolder]: 4/151 cut-off events. [2021-04-29 02:43:17,533 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-04-29 02:43:17,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 151 events. 4/151 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 691 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 170. Up to 9 conditions per place. [2021-04-29 02:43:17,539 INFO L146 LiptonReduction]: Number of co-enabled transitions 12344 [2021-04-29 02:43:19,121 INFO L158 LiptonReduction]: Checked pairs total: 56233 [2021-04-29 02:43:19,121 INFO L160 LiptonReduction]: Total number of compositions: 20 [2021-04-29 02:43:19,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1607 [2021-04-29 02:43:19,125 INFO L480 AbstractCegarLoop]: Abstraction has has 144 places, 134 transitions, 310 flow [2021-04-29 02:43:19,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:19,125 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:43:19,126 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 02:43:19,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 02:43:19,126 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:43:19,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:43:19,126 INFO L82 PathProgramCache]: Analyzing trace with hash 338007712, now seen corresponding path program 1 times [2021-04-29 02:43:19,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:43:19,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445685894] [2021-04-29 02:43:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:43:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:43:19,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:19,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:43:19,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445685894] [2021-04-29 02:43:19,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256586025] [2021-04-29 02:43:19,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 02:43:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:43:19,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2021-04-29 02:43:19,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 02:43:19,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 02:43:19,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 02:43:19,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 02:43:19,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 02:43:19,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 02:43:19,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 02:43:19,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,288 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 02:43:19,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:19,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:19,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:19,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:19,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:19,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:19,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:19,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:19,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:19,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:43:19,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 02:43:19,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-04-29 02:43:19,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660402235] [2021-04-29 02:43:19,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 02:43:19,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:43:19,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 02:43:19,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-04-29 02:43:19,308 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 436 [2021-04-29 02:43:19,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 134 transitions, 310 flow. Second operand has 5 states, 5 states have (on average 333.4) internal successors, (1667), 5 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:19,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:43:19,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 436 [2021-04-29 02:43:19,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:43:19,364 INFO L129 PetriNetUnfolder]: 3/150 cut-off events. [2021-04-29 02:43:19,365 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2021-04-29 02:43:19,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 150 events. 3/150 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 723 event pairs, 0 based on Foata normal form. 1/65 useless extension candidates. Maximal degree in co-relation 179. Up to 11 conditions per place. [2021-04-29 02:43:19,370 INFO L132 encePairwiseOnDemand]: 433/436 looper letters, 6 selfloop transitions, 3 changer transitions 1/137 dead transitions. [2021-04-29 02:43:19,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 137 transitions, 336 flow [2021-04-29 02:43:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 02:43:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 02:43:19,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1338 transitions. [2021-04-29 02:43:19,376 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7672018348623854 [2021-04-29 02:43:19,376 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1338 transitions. [2021-04-29 02:43:19,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1338 transitions. [2021-04-29 02:43:19,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:43:19,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1338 transitions. [2021-04-29 02:43:19,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 334.5) internal successors, (1338), 4 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:19,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 436.0) internal successors, (2180), 5 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:19,388 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 436.0) internal successors, (2180), 5 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:19,388 INFO L185 Difference]: Start difference. First operand has 144 places, 134 transitions, 310 flow. Second operand 4 states and 1338 transitions. [2021-04-29 02:43:19,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 137 transitions, 336 flow [2021-04-29 02:43:19,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 137 transitions, 322 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-04-29 02:43:19,394 INFO L241 Difference]: Finished difference. Result has 147 places, 134 transitions, 310 flow [2021-04-29 02:43:19,394 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=436, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=310, PETRI_PLACES=147, PETRI_TRANSITIONS=134} [2021-04-29 02:43:19,394 INFO L343 CegarLoopForPetriNet]: 212 programPoint places, -65 predicate places. [2021-04-29 02:43:19,394 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:43:19,395 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 134 transitions, 310 flow [2021-04-29 02:43:19,395 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 134 transitions, 310 flow [2021-04-29 02:43:19,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 134 transitions, 310 flow [2021-04-29 02:43:19,413 INFO L129 PetriNetUnfolder]: 3/147 cut-off events. [2021-04-29 02:43:19,414 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-04-29 02:43:19,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 147 events. 3/147 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 700 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 161. Up to 8 conditions per place. [2021-04-29 02:43:19,421 INFO L146 LiptonReduction]: Number of co-enabled transitions 13014 [2021-04-29 02:43:19,444 INFO L158 LiptonReduction]: Checked pairs total: 20474 [2021-04-29 02:43:19,445 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 02:43:19,445 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-04-29 02:43:19,448 INFO L480 AbstractCegarLoop]: Abstraction has has 146 places, 134 transitions, 310 flow [2021-04-29 02:43:19,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 333.4) internal successors, (1667), 5 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:19,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:43:19,451 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-04-29 02:43:19,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-04-29 02:43:19,666 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:43:19,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:43:19,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1894828818, now seen corresponding path program 1 times [2021-04-29 02:43:19,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:43:19,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585470184] [2021-04-29 02:43:19,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:43:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:43:19,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:43:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-04-29 02:43:19,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585470184] [2021-04-29 02:43:19,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 02:43:19,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 02:43:19,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796720155] [2021-04-29 02:43:19,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 02:43:19,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:43:19,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 02:43:19,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 02:43:19,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 436 [2021-04-29 02:43:19,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 134 transitions, 310 flow. Second operand has 3 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:19,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:43:19,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 436 [2021-04-29 02:43:19,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:43:41,486 INFO L129 PetriNetUnfolder]: 94988/170221 cut-off events. [2021-04-29 02:43:41,486 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-04-29 02:43:42,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 295861 conditions, 170221 events. 94988/170221 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 11031. Compared 2037804 event pairs, 78531 based on Foata normal form. 79/72054 useless extension candidates. Maximal degree in co-relation 295836. Up to 125386 conditions per place. [2021-04-29 02:43:43,565 INFO L132 encePairwiseOnDemand]: 426/436 looper letters, 49 selfloop transitions, 13 changer transitions 0/154 dead transitions. [2021-04-29 02:43:43,566 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 154 transitions, 474 flow [2021-04-29 02:43:43,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 02:43:43,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 02:43:43,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2021-04-29 02:43:43,570 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7064220183486238 [2021-04-29 02:43:43,571 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 924 transitions. [2021-04-29 02:43:43,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 924 transitions. [2021-04-29 02:43:43,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:43:43,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 924 transitions. [2021-04-29 02:43:43,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 308.0) internal successors, (924), 3 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:43,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 436.0) internal successors, (1744), 4 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:43,578 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 436.0) internal successors, (1744), 4 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:43,578 INFO L185 Difference]: Start difference. First operand has 146 places, 134 transitions, 310 flow. Second operand 3 states and 924 transitions. [2021-04-29 02:43:43,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 154 transitions, 474 flow [2021-04-29 02:43:43,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 154 transitions, 468 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-29 02:43:43,586 INFO L241 Difference]: Finished difference. Result has 147 places, 146 transitions, 393 flow [2021-04-29 02:43:43,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=436, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=147, PETRI_TRANSITIONS=146} [2021-04-29 02:43:43,587 INFO L343 CegarLoopForPetriNet]: 212 programPoint places, -65 predicate places. [2021-04-29 02:43:43,587 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:43:43,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 146 transitions, 393 flow [2021-04-29 02:43:43,588 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 146 transitions, 393 flow [2021-04-29 02:43:43,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 146 transitions, 393 flow [2021-04-29 02:43:44,229 INFO L129 PetriNetUnfolder]: 1425/5096 cut-off events. [2021-04-29 02:43:44,230 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-29 02:43:44,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7154 conditions, 5096 events. 1425/5096 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 57441 event pairs, 873 based on Foata normal form. 0/1903 useless extension candidates. Maximal degree in co-relation 7130. Up to 2011 conditions per place. [2021-04-29 02:43:44,379 INFO L146 LiptonReduction]: Number of co-enabled transitions 13788 [2021-04-29 02:43:44,421 INFO L158 LiptonReduction]: Checked pairs total: 19390 [2021-04-29 02:43:44,421 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 02:43:44,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 835 [2021-04-29 02:43:44,424 INFO L480 AbstractCegarLoop]: Abstraction has has 147 places, 146 transitions, 393 flow [2021-04-29 02:43:44,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:43:44,425 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:43:44,425 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2021-04-29 02:43:44,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 02:43:44,426 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:43:44,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:43:44,426 INFO L82 PathProgramCache]: Analyzing trace with hash 461990324, now seen corresponding path program 1 times [2021-04-29 02:43:44,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:43:44,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410897269] [2021-04-29 02:43:44,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:43:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 02:43:44,441 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 02:43:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 02:43:44,453 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 02:43:44,462 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 02:43:44,462 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 02:43:44,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 02:43:44,463 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 02:43:44,463 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-04-29 02:43:44,480 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,482 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,482 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,491 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,491 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,492 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,492 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,492 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,492 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,492 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,492 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,492 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,492 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,493 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,493 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,493 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,493 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,493 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,493 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,493 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,496 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,496 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,497 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,497 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,501 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,501 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,501 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,502 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,506 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,506 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,506 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,506 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,506 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,507 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,507 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,507 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,507 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,509 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,509 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,509 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,510 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,510 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,510 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,510 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,510 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,510 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,512 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,513 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,515 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,515 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,516 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,516 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,516 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,516 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,516 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,516 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,516 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,519 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,519 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,519 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,519 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,519 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,519 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:43:44,526 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-04-29 02:43:44,526 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-29 02:43:44,528 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 02:43:44,528 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 02:43:44,528 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 02:43:44,528 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 02:43:44,528 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 02:43:44,528 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 02:43:44,529 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 02:43:44,529 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 02:43:44,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 188 places, 219 transitions, 498 flow [2021-04-29 02:43:44,645 INFO L129 PetriNetUnfolder]: 152/844 cut-off events. [2021-04-29 02:43:44,645 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-04-29 02:43:44,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 844 events. 152/844 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 4054 event pairs, 23 based on Foata normal form. 0/702 useless extension candidates. Maximal degree in co-relation 573. Up to 80 conditions per place. [2021-04-29 02:43:44,657 INFO L82 GeneralOperation]: Start removeDead. Operand has 188 places, 219 transitions, 498 flow [2021-04-29 02:43:44,667 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 188 places, 219 transitions, 498 flow [2021-04-29 02:43:44,667 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:43:44,667 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 188 places, 219 transitions, 498 flow [2021-04-29 02:43:44,668 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 188 places, 219 transitions, 498 flow [2021-04-29 02:43:44,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 188 places, 219 transitions, 498 flow [2021-04-29 02:43:44,794 INFO L129 PetriNetUnfolder]: 152/844 cut-off events. [2021-04-29 02:43:44,797 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-04-29 02:43:44,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 844 events. 152/844 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4116 event pairs, 23 based on Foata normal form. 0/702 useless extension candidates. Maximal degree in co-relation 573. Up to 80 conditions per place. [2021-04-29 02:43:44,848 INFO L146 LiptonReduction]: Number of co-enabled transitions 29960 [2021-04-29 02:43:56,472 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-29 02:43:58,212 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-29 02:43:58,435 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-29 02:43:58,669 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 02:43:58,902 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 02:43:59,078 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-29 02:43:59,231 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-29 02:44:01,846 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-04-29 02:44:02,129 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-04-29 02:44:02,431 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-04-29 02:44:02,735 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-04-29 02:44:03,063 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-04-29 02:44:03,397 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-04-29 02:44:03,701 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 02:44:03,997 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-04-29 02:44:04,274 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-04-29 02:44:04,536 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-04-29 02:44:04,716 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-29 02:44:04,867 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-29 02:44:06,436 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 02:44:07,269 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-04-29 02:44:07,504 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 02:44:08,003 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-04-29 02:44:08,234 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 02:44:08,564 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 02:44:08,714 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 02:44:09,061 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 02:44:09,210 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 02:44:09,554 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2021-04-29 02:44:09,707 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 02:44:10,049 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2021-04-29 02:44:10,202 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 02:44:10,593 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:44:10,770 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:44:11,169 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:44:11,347 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:44:11,744 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:44:11,924 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:44:12,391 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:44:12,575 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:44:12,888 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-29 02:44:13,025 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 02:44:13,349 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2021-04-29 02:44:13,497 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 02:44:13,796 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-29 02:44:13,936 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 02:44:14,239 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-04-29 02:44:14,366 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 02:44:14,748 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-04-29 02:44:14,912 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 02:44:15,284 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-04-29 02:44:15,450 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 02:44:15,950 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2021-04-29 02:44:16,172 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-29 02:44:16,661 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2021-04-29 02:44:16,882 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-29 02:44:17,272 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:44:17,442 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:44:17,835 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-04-29 02:44:18,014 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:44:18,537 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 02:44:18,645 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 02:44:18,767 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 02:44:18,945 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 02:44:19,218 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 02:44:19,342 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 02:44:19,471 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 02:44:19,598 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 02:44:19,729 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 02:44:19,852 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 02:44:19,981 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 02:44:20,094 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 02:44:20,205 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 02:44:20,413 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 02:44:20,522 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 02:44:20,851 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:44:21,075 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:44:21,311 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:44:21,541 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:44:21,771 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:44:21,991 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:44:22,243 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:44:22,474 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:44:22,675 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 02:44:22,864 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-29 02:44:23,066 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 02:44:23,256 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-29 02:44:23,572 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:44:23,869 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 02:44:24,174 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:44:24,481 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 02:44:24,797 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 02:44:25,098 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:44:25,432 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 02:44:25,758 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-29 02:44:25,986 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:44:26,221 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:44:26,474 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 02:44:26,778 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 02:44:26,993 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 02:44:27,199 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 02:44:27,416 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 02:44:27,627 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 02:44:27,819 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 02:44:28,008 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 02:44:28,208 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 02:44:28,403 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 02:44:28,643 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 02:44:28,864 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 02:44:29,092 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 02:44:29,309 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 02:44:29,543 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 02:44:29,768 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 02:44:30,005 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 02:44:30,241 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 02:44:30,388 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 02:44:30,525 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 02:44:30,677 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 02:44:30,817 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 02:44:31,020 INFO L158 LiptonReduction]: Checked pairs total: 249267 [2021-04-29 02:44:31,020 INFO L160 LiptonReduction]: Total number of compositions: 252 [2021-04-29 02:44:31,021 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46354 [2021-04-29 02:44:31,031 INFO L129 PetriNetUnfolder]: 3/72 cut-off events. [2021-04-29 02:44:31,031 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 02:44:31,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:44:31,031 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 02:44:31,031 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:44:31,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:44:31,032 INFO L82 PathProgramCache]: Analyzing trace with hash 2131700141, now seen corresponding path program 1 times [2021-04-29 02:44:31,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:44:31,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050775355] [2021-04-29 02:44:31,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:44:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:44:31,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:31,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:31,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:31,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:44:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:44:31,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050775355] [2021-04-29 02:44:31,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 02:44:31,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 02:44:31,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617827047] [2021-04-29 02:44:31,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 02:44:31,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:44:31,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 02:44:31,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 02:44:31,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 471 [2021-04-29 02:44:31,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 279 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 351.6666666666667) internal successors, (1055), 3 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:44:31,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:44:31,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 471 [2021-04-29 02:44:31,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:44:31,245 INFO L129 PetriNetUnfolder]: 58/883 cut-off events. [2021-04-29 02:44:31,245 INFO L130 PetriNetUnfolder]: For 110/135 co-relation queries the response was YES. [2021-04-29 02:44:31,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1037 conditions, 883 events. 58/883 cut-off events. For 110/135 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 6663 event pairs, 23 based on Foata normal form. 272/520 useless extension candidates. Maximal degree in co-relation 635. Up to 80 conditions per place. [2021-04-29 02:44:31,255 INFO L132 encePairwiseOnDemand]: 428/471 looper letters, 5 selfloop transitions, 2 changer transitions 82/246 dead transitions. [2021-04-29 02:44:31,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 246 transitions, 586 flow [2021-04-29 02:44:31,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 02:44:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 02:44:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2021-04-29 02:44:31,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7891012031139419 [2021-04-29 02:44:31,261 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1115 transitions. [2021-04-29 02:44:31,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1115 transitions. [2021-04-29 02:44:31,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:44:31,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1115 transitions. [2021-04-29 02:44:31,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:44:31,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 471.0) internal successors, (1884), 4 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:44:31,272 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 471.0) internal successors, (1884), 4 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:44:31,272 INFO L185 Difference]: Start difference. First operand has 247 places, 279 transitions, 618 flow. Second operand 3 states and 1115 transitions. [2021-04-29 02:44:31,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 246 transitions, 586 flow [2021-04-29 02:44:31,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 246 transitions, 586 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 02:44:31,279 INFO L241 Difference]: Finished difference. Result has 248 places, 163 transitions, 381 flow [2021-04-29 02:44:31,280 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=471, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=381, PETRI_PLACES=248, PETRI_TRANSITIONS=163} [2021-04-29 02:44:31,281 INFO L343 CegarLoopForPetriNet]: 247 programPoint places, 1 predicate places. [2021-04-29 02:44:31,281 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:44:31,282 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 163 transitions, 381 flow [2021-04-29 02:44:31,282 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 163 transitions, 381 flow [2021-04-29 02:44:31,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 163 transitions, 381 flow [2021-04-29 02:44:31,306 INFO L129 PetriNetUnfolder]: 5/191 cut-off events. [2021-04-29 02:44:31,306 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-04-29 02:44:31,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 191 events. 5/191 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 948 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 219. Up to 11 conditions per place. [2021-04-29 02:44:31,316 INFO L146 LiptonReduction]: Number of co-enabled transitions 20540 [2021-04-29 02:44:34,205 INFO L158 LiptonReduction]: Checked pairs total: 99592 [2021-04-29 02:44:34,205 INFO L160 LiptonReduction]: Total number of compositions: 31 [2021-04-29 02:44:34,205 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2924 [2021-04-29 02:44:34,209 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 170 transitions, 395 flow [2021-04-29 02:44:34,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 351.6666666666667) internal successors, (1055), 3 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:44:34,210 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:44:34,210 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 02:44:34,210 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 02:44:34,210 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:44:34,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:44:34,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1241112728, now seen corresponding path program 1 times [2021-04-29 02:44:34,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:44:34,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207600361] [2021-04-29 02:44:34,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:44:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:44:34,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:44:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:44:34,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207600361] [2021-04-29 02:44:34,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2368478] [2021-04-29 02:44:34,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 02:44:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:44:34,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2021-04-29 02:44:34,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 02:44:34,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 02:44:34,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 02:44:34,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 02:44:34,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 02:44:34,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 02:44:34,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 02:44:34,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:34,386 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 02:44:34,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:44:34,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:44:34,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:44:34,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:44:34,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:44:34,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:44:34,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:44:34,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:44:34,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:44:34,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:34,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:44:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 02:44:34,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 02:44:34,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-04-29 02:44:34,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47795689] [2021-04-29 02:44:34,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 02:44:34,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:44:34,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 02:44:34,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 02:44:34,409 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 502 [2021-04-29 02:44:34,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 170 transitions, 395 flow. Second operand has 4 states, 4 states have (on average 383.0) internal successors, (1532), 4 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:44:34,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:44:34,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 502 [2021-04-29 02:44:34,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:44:34,469 INFO L129 PetriNetUnfolder]: 4/193 cut-off events. [2021-04-29 02:44:34,469 INFO L130 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2021-04-29 02:44:34,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 193 events. 4/193 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1003 event pairs, 0 based on Foata normal form. 1/81 useless extension candidates. Maximal degree in co-relation 234. Up to 14 conditions per place. [2021-04-29 02:44:34,472 INFO L132 encePairwiseOnDemand]: 499/502 looper letters, 6 selfloop transitions, 3 changer transitions 1/173 dead transitions. [2021-04-29 02:44:34,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 173 transitions, 421 flow [2021-04-29 02:44:34,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 02:44:34,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 02:44:34,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1538 transitions. [2021-04-29 02:44:34,479 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7659362549800797 [2021-04-29 02:44:34,479 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1538 transitions. [2021-04-29 02:44:34,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1538 transitions. [2021-04-29 02:44:34,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:44:34,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1538 transitions. [2021-04-29 02:44:34,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 384.5) internal successors, (1538), 4 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:44:34,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 502.0) internal successors, (2510), 5 states have internal predecessors, (2510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:44:34,491 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 502.0) internal successors, (2510), 5 states have internal predecessors, (2510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:44:34,491 INFO L185 Difference]: Start difference. First operand has 182 places, 170 transitions, 395 flow. Second operand 4 states and 1538 transitions. [2021-04-29 02:44:34,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 173 transitions, 421 flow [2021-04-29 02:44:34,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 173 transitions, 399 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-04-29 02:44:34,496 INFO L241 Difference]: Finished difference. Result has 185 places, 170 transitions, 387 flow [2021-04-29 02:44:34,496 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=387, PETRI_PLACES=185, PETRI_TRANSITIONS=170} [2021-04-29 02:44:34,496 INFO L343 CegarLoopForPetriNet]: 247 programPoint places, -62 predicate places. [2021-04-29 02:44:34,496 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:44:34,497 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 170 transitions, 387 flow [2021-04-29 02:44:34,497 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 170 transitions, 387 flow [2021-04-29 02:44:34,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 170 transitions, 387 flow [2021-04-29 02:44:34,521 INFO L129 PetriNetUnfolder]: 4/189 cut-off events. [2021-04-29 02:44:34,522 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-04-29 02:44:34,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 234 conditions, 189 events. 4/189 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 993 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 210. Up to 10 conditions per place. [2021-04-29 02:44:34,532 INFO L146 LiptonReduction]: Number of co-enabled transitions 22188 [2021-04-29 02:44:34,773 INFO L158 LiptonReduction]: Checked pairs total: 35564 [2021-04-29 02:44:34,773 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 02:44:34,773 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 277 [2021-04-29 02:44:34,779 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 170 transitions, 387 flow [2021-04-29 02:44:34,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 383.0) internal successors, (1532), 4 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:44:34,780 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:44:34,780 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-04-29 02:44:34,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 02:44:34,988 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:44:34,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:44:34,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1946332774, now seen corresponding path program 1 times [2021-04-29 02:44:34,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:44:34,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105332389] [2021-04-29 02:44:34,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:44:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:44:35,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:44:35,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 02:44:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-04-29 02:44:35,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105332389] [2021-04-29 02:44:35,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 02:44:35,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 02:44:35,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650588959] [2021-04-29 02:44:35,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 02:44:35,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:44:35,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 02:44:35,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 02:44:35,038 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 502 [2021-04-29 02:44:35,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 170 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 02:44:35,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:44:35,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 502 [2021-04-29 02:44:35,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown