/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_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 02:42:32,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 02:42:32,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 02:42:32,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-29 02:42:32,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 02:42:32,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 02:42:32,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 02:42:32,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 02:42:32,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 02:42:32,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 02:42:32,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 02:42:32,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 02:42:32,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 02:42:32,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 02:42:32,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 02:42:32,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 02:42:32,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 02:42:32,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 02:42:32,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 02:42:32,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 02:42:32,755 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 02:42:32,817 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 02:42:32,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 02:42:32,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 02:42:32,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 02:42:32,824 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 02:42:32,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 02:42:32,824 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 02:42:32,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 02:42:32,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 02:42:32,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 02:42:32,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 02:42:32,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 02:42:32,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 02:42:32,828 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 02:42:32,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 02:42:32,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 02:42:32,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 02:42:32,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 02:42:32,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 02:42:32,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 02:42:32,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 02:42:32,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 02:42:32,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 02:42:32,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 02:42:32,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 02:42:32,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 02:42:32,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 02:42:32,832 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 02:42:32,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 02:42:32,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 02:42:32,833 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 02:42:33,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 02:42:33,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 02:42:33,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 02:42:33,331 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 02:42:33,332 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 02:42:33,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-04-29 02:42:33,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/582eecd1d/e803aea067104965b21a1c1b6d5ba7cb/FLAG0d9a92c83 [2021-04-29 02:42:34,243 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 02:42:34,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-04-29 02:42:34,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/582eecd1d/e803aea067104965b21a1c1b6d5ba7cb/FLAG0d9a92c83 [2021-04-29 02:42:34,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/582eecd1d/e803aea067104965b21a1c1b6d5ba7cb [2021-04-29 02:42:34,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 02:42:34,511 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 02:42:34,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 02:42:34,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 02:42:34,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 02:42:34,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 02:42:34" (1/1) ... [2021-04-29 02:42:34,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e59f125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:34, skipping insertion in model container [2021-04-29 02:42:34,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 02:42:34" (1/1) ... [2021-04-29 02:42:34,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 02:42:34,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 02:42:34,955 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_45-escape_racing.i[29913,29926] [2021-04-29 02:42:34,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 02:42:34,993 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 02:42:35,042 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_45-escape_racing.i[29913,29926] [2021-04-29 02:42:35,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 02:42:35,188 INFO L208 MainTranslator]: Completed translation [2021-04-29 02:42:35,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:35 WrapperNode [2021-04-29 02:42:35,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 02:42:35,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 02:42:35,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 02:42:35,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 02:42:35,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:35" (1/1) ... [2021-04-29 02:42:35,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:35" (1/1) ... [2021-04-29 02:42:35,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 02:42:35,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 02:42:35,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 02:42:35,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 02:42:35,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:35" (1/1) ... [2021-04-29 02:42:35,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:35" (1/1) ... [2021-04-29 02:42:35,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:35" (1/1) ... [2021-04-29 02:42:35,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:35" (1/1) ... [2021-04-29 02:42:35,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:35" (1/1) ... [2021-04-29 02:42:35,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:35" (1/1) ... [2021-04-29 02:42:35,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:35" (1/1) ... [2021-04-29 02:42:35,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 02:42:35,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 02:42:35,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 02:42:35,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 02:42:35,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:35" (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 02:42:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-29 02:42:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 02:42:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-04-29 02:42:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 02:42:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-04-29 02:42:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-04-29 02:42:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 02:42:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 02:42:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 02:42:35,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 02:42:35,427 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 02:42:36,108 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 02:42:36,108 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-04-29 02:42:36,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 02:42:36 BoogieIcfgContainer [2021-04-29 02:42:36,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 02:42:36,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 02:42:36,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 02:42:36,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 02:42:36,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 02:42:34" (1/3) ... [2021-04-29 02:42:36,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d07f98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 02:42:36, skipping insertion in model container [2021-04-29 02:42:36,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 02:42:35" (2/3) ... [2021-04-29 02:42:36,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d07f98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 02:42:36, skipping insertion in model container [2021-04-29 02:42:36,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 02:42:36" (3/3) ... [2021-04-29 02:42:36,125 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2021-04-29 02:42:36,133 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 02:42:36,139 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 02:42:36,140 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 02:42:36,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,198 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,199 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,199 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,199 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,199 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,199 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,200 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,200 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,200 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,200 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,200 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,201 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,201 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,201 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,201 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,202 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,203 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,204 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,205 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,205 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,206 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,206 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,206 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,206 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,207 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,207 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,207 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,208 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,208 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,208 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,208 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,209 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,209 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,209 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,209 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,210 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,211 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,211 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,211 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,211 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,212 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,212 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,212 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,212 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,217 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,218 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 02:42:36,226 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-04-29 02:42:36,253 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-04-29 02:42:36,281 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 02:42:36,282 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 02:42:36,282 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 02:42:36,282 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 02:42:36,282 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 02:42:36,282 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 02:42:36,283 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 02:42:36,283 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 02:42:36,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 96 transitions, 200 flow [2021-04-29 02:42:36,351 INFO L129 PetriNetUnfolder]: 9/95 cut-off events. [2021-04-29 02:42:36,351 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 02:42:36,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 9/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 144 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 54. Up to 3 conditions per place. [2021-04-29 02:42:36,357 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 96 transitions, 200 flow [2021-04-29 02:42:36,364 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 86 transitions, 175 flow [2021-04-29 02:42:36,366 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:42:36,383 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 86 transitions, 175 flow [2021-04-29 02:42:36,387 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 86 transitions, 175 flow [2021-04-29 02:42:36,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 86 transitions, 175 flow [2021-04-29 02:42:36,431 INFO L129 PetriNetUnfolder]: 9/86 cut-off events. [2021-04-29 02:42:36,432 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 02:42:36,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 86 events. 9/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 126 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 54. Up to 3 conditions per place. [2021-04-29 02:42:36,440 INFO L146 LiptonReduction]: Number of co-enabled transitions 1386 [2021-04-29 02:42:43,086 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-29 02:42:43,821 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-04-29 02:42:44,030 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-04-29 02:42:44,226 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-04-29 02:42:44,420 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-04-29 02:42:45,190 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 02:42:45,298 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 02:42:45,415 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 02:42:46,935 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 02:42:47,041 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 02:42:48,401 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-04-29 02:42:48,553 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 02:42:48,879 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-04-29 02:42:49,022 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 02:42:49,228 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-04-29 02:42:49,508 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-04-29 02:42:49,908 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-04-29 02:42:50,044 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:42:50,378 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-04-29 02:42:50,523 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 02:42:50,793 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-04-29 02:42:50,913 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 02:42:51,182 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-04-29 02:42:51,312 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 02:42:51,617 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-04-29 02:42:51,751 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 02:42:52,036 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-04-29 02:42:52,173 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 02:42:52,345 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-04-29 02:42:52,597 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-04-29 02:42:52,861 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-04-29 02:42:53,127 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-04-29 02:42:53,504 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-04-29 02:42:53,638 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 02:42:53,920 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-04-29 02:42:54,073 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 02:42:54,234 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 02:42:54,463 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-29 02:42:54,796 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2021-04-29 02:42:54,916 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 02:42:55,206 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2021-04-29 02:42:55,333 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 02:42:55,593 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-04-29 02:42:55,715 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 02:42:55,980 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-04-29 02:42:56,097 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 02:42:56,523 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2021-04-29 02:42:56,709 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 02:42:57,134 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2021-04-29 02:42:57,320 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 02:42:57,865 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-29 02:42:58,066 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-29 02:42:58,518 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-29 02:42:58,724 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-29 02:42:59,679 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 144 [2021-04-29 02:43:00,115 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-04-29 02:43:01,028 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 144 [2021-04-29 02:43:01,435 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-04-29 02:43:01,583 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 02:43:01,734 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 02:43:01,895 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 02:43:02,049 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 02:43:02,225 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 02:43:02,384 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 02:43:02,541 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 02:43:02,700 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 02:43:03,207 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-29 02:43:03,432 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-29 02:43:03,949 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-29 02:43:04,184 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-29 02:43:05,090 WARN L205 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2021-04-29 02:43:05,482 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-04-29 02:43:06,356 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2021-04-29 02:43:06,772 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-04-29 02:43:07,303 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-29 02:43:07,529 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-29 02:43:08,041 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-29 02:43:08,261 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-29 02:43:09,146 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-04-29 02:43:09,561 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-04-29 02:43:10,515 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2021-04-29 02:43:10,951 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-04-29 02:43:11,533 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-29 02:43:11,794 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-29 02:43:12,350 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-29 02:43:12,607 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-29 02:43:13,156 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-29 02:43:13,406 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-29 02:43:13,960 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-29 02:43:14,247 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-29 02:43:14,740 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-29 02:43:14,959 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 02:43:15,471 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-29 02:43:15,697 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-29 02:43:16,285 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-29 02:43:16,544 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-29 02:43:17,109 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-29 02:43:17,378 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-29 02:43:18,125 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2021-04-29 02:43:18,454 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-04-29 02:43:19,208 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2021-04-29 02:43:19,578 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-04-29 02:43:19,641 INFO L158 LiptonReduction]: Checked pairs total: 12416 [2021-04-29 02:43:19,641 INFO L160 LiptonReduction]: Total number of compositions: 159 [2021-04-29 02:43:19,646 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43282 [2021-04-29 02:43:19,669 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2021-04-29 02:43:19,669 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 02:43:19,670 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:43:19,670 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 02:43:19,671 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:43:19,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:43:19,677 INFO L82 PathProgramCache]: Analyzing trace with hash 414409403, now seen corresponding path program 1 times [2021-04-29 02:43:19,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:43:19,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149729563] [2021-04-29 02:43:19,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:43:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:43:19,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:19,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 02:43:19,992 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 02:43:19,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149729563] [2021-04-29 02:43:19,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 02:43:19,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 02:43:20,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539679772] [2021-04-29 02:43:20,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 02:43:20,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:43:20,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 02:43:20,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 02:43:20,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 255 [2021-04-29 02:43:20,043 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 109 transitions, 221 flow. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states 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 02:43:20,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:43:20,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 255 [2021-04-29 02:43:20,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:43:20,388 INFO L129 PetriNetUnfolder]: 161/663 cut-off events. [2021-04-29 02:43:20,389 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 02:43:20,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1122 conditions, 663 events. 161/663 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 5696 event pairs, 51 based on Foata normal form. 44/240 useless extension candidates. Maximal degree in co-relation 1046. Up to 322 conditions per place. [2021-04-29 02:43:20,393 INFO L132 encePairwiseOnDemand]: 230/255 looper letters, 11 selfloop transitions, 6 changer transitions 83/114 dead transitions. [2021-04-29 02:43:20,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 114 transitions, 387 flow [2021-04-29 02:43:20,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 02:43:20,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 02:43:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2021-04-29 02:43:20,412 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46143790849673205 [2021-04-29 02:43:20,412 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 353 transitions. [2021-04-29 02:43:20,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 353 transitions. [2021-04-29 02:43:20,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:43:20,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 353 transitions. [2021-04-29 02:43:20,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states 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 02:43:20,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states 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 02:43:20,431 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states 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 02:43:20,434 INFO L185 Difference]: Start difference. First operand has 104 places, 109 transitions, 221 flow. Second operand 3 states and 353 transitions. [2021-04-29 02:43:20,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 114 transitions, 387 flow [2021-04-29 02:43:20,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 114 transitions, 386 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 02:43:20,442 INFO L241 Difference]: Finished difference. Result has 103 places, 31 transitions, 94 flow [2021-04-29 02:43:20,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=103, PETRI_TRANSITIONS=31} [2021-04-29 02:43:20,446 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -1 predicate places. [2021-04-29 02:43:20,446 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:43:20,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 31 transitions, 94 flow [2021-04-29 02:43:20,447 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 31 transitions, 94 flow [2021-04-29 02:43:20,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 31 transitions, 94 flow [2021-04-29 02:43:20,453 INFO L129 PetriNetUnfolder]: 5/45 cut-off events. [2021-04-29 02:43:20,453 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 02:43:20,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 45 events. 5/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 183 event pairs, 5 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 73. Up to 26 conditions per place. [2021-04-29 02:43:20,454 INFO L146 LiptonReduction]: Number of co-enabled transitions 130 [2021-04-29 02:43:22,467 INFO L158 LiptonReduction]: Checked pairs total: 414 [2021-04-29 02:43:22,468 INFO L160 LiptonReduction]: Total number of compositions: 23 [2021-04-29 02:43:22,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2022 [2021-04-29 02:43:22,470 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 33 transitions, 98 flow [2021-04-29 02:43:22,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states 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 02:43:22,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:43:22,471 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 02:43:22,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 02:43:22,472 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:43:22,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:43:22,472 INFO L82 PathProgramCache]: Analyzing trace with hash -158866213, now seen corresponding path program 1 times [2021-04-29 02:43:22,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:43:22,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713866678] [2021-04-29 02:43:22,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:43:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 02:43:22,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:22,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 02:43:22,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:22,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 02:43:22,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:22,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 02:43:22,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 02:43:22,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 02:43:22,579 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 02:43:22,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713866678] [2021-04-29 02:43:22,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 02:43:22,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 02:43:22,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177155172] [2021-04-29 02:43:22,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 02:43:22,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 02:43:22,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 02:43:22,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-29 02:43:22,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 278 [2021-04-29 02:43:22,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 33 transitions, 98 flow. Second operand has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 0 states have call successors, (0), 0 states 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 02:43:22,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 02:43:22,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 278 [2021-04-29 02:43:22,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 02:43:22,771 INFO L129 PetriNetUnfolder]: 33/115 cut-off events. [2021-04-29 02:43:22,772 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-29 02:43:22,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 115 events. 33/115 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 564 event pairs, 12 based on Foata normal form. 19/87 useless extension candidates. Maximal degree in co-relation 256. Up to 66 conditions per place. [2021-04-29 02:43:22,773 INFO L132 encePairwiseOnDemand]: 260/278 looper letters, 8 selfloop transitions, 11 changer transitions 18/39 dead transitions. [2021-04-29 02:43:22,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 39 transitions, 184 flow [2021-04-29 02:43:22,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 02:43:22,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 02:43:22,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 511 transitions. [2021-04-29 02:43:22,779 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4595323741007194 [2021-04-29 02:43:22,779 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 511 transitions. [2021-04-29 02:43:22,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 511 transitions. [2021-04-29 02:43:22,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 02:43:22,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 511 transitions. [2021-04-29 02:43:22,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 0 states have call successors, (0), 0 states 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 02:43:22,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states 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 02:43:22,788 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states 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 02:43:22,788 INFO L185 Difference]: Start difference. First operand has 39 places, 33 transitions, 98 flow. Second operand 4 states and 511 transitions. [2021-04-29 02:43:22,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 39 transitions, 184 flow [2021-04-29 02:43:22,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 39 transitions, 172 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 02:43:22,790 INFO L241 Difference]: Finished difference. Result has 40 places, 17 transitions, 64 flow [2021-04-29 02:43:22,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=64, PETRI_PLACES=40, PETRI_TRANSITIONS=17} [2021-04-29 02:43:22,791 INFO L343 CegarLoopForPetriNet]: 104 programPoint places, -64 predicate places. [2021-04-29 02:43:22,791 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 02:43:22,792 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 17 transitions, 64 flow [2021-04-29 02:43:22,792 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 17 transitions, 64 flow [2021-04-29 02:43:22,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 17 transitions, 64 flow [2021-04-29 02:43:22,797 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-04-29 02:43:22,797 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 02:43:22,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 114 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2021-04-29 02:43:22,797 INFO L146 LiptonReduction]: Number of co-enabled transitions 36 [2021-04-29 02:43:22,853 INFO L158 LiptonReduction]: Checked pairs total: 12 [2021-04-29 02:43:22,853 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 02:43:22,854 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-04-29 02:43:22,856 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 64 flow [2021-04-29 02:43:22,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 0 states have call successors, (0), 0 states 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 02:43:22,858 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 02:43:22,858 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-29 02:43:22,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 02:43:22,858 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 02:43:22,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 02:43:22,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1069341334, now seen corresponding path program 1 times [2021-04-29 02:43:22,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 02:43:22,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736482776] [2021-04-29 02:43:22,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 02:43:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 02:43:22,897 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 02:43:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 02:43:22,928 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 02:43:22,954 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 02:43:22,955 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 02:43:22,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 02:43:22,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 02:43:22 BasicIcfg [2021-04-29 02:43:22,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 02:43:22,992 INFO L168 Benchmark]: Toolchain (without parser) took 48526.81 ms. Allocated memory was 318.8 MB in the beginning and 461.4 MB in the end (delta: 142.6 MB). Free memory was 293.8 MB in the beginning and 426.9 MB in the end (delta: -133.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.0 GB. [2021-04-29 02:43:22,993 INFO L168 Benchmark]: CDTParser took 1.09 ms. Allocated memory is still 318.8 MB. Free memory was 288.8 MB in the beginning and 288.7 MB in the end (delta: 60.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 02:43:22,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.87 ms. Allocated memory is still 318.8 MB. Free memory was 290.6 MB in the beginning and 300.4 MB in the end (delta: -9.7 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.0 GB. [2021-04-29 02:43:22,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.78 ms. Allocated memory is still 318.8 MB. Free memory was 300.4 MB in the beginning and 298.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 02:43:22,995 INFO L168 Benchmark]: Boogie Preprocessor took 42.25 ms. Allocated memory is still 318.8 MB. Free memory was 298.3 MB in the beginning and 296.2 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 02:43:22,996 INFO L168 Benchmark]: RCFGBuilder took 793.33 ms. Allocated memory is still 318.8 MB. Free memory was 296.2 MB in the beginning and 269.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-04-29 02:43:22,996 INFO L168 Benchmark]: TraceAbstraction took 46877.12 ms. Allocated memory was 318.8 MB in the beginning and 461.4 MB in the end (delta: 142.6 MB). Free memory was 268.9 MB in the beginning and 426.9 MB in the end (delta: -158.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 02:43:23,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 ms. Allocated memory is still 318.8 MB. Free memory was 288.8 MB in the beginning and 288.7 MB in the end (delta: 60.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 678.87 ms. Allocated memory is still 318.8 MB. Free memory was 290.6 MB in the beginning and 300.4 MB in the end (delta: -9.7 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 82.78 ms. Allocated memory is still 318.8 MB. Free memory was 300.4 MB in the beginning and 298.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 42.25 ms. Allocated memory is still 318.8 MB. Free memory was 298.3 MB in the beginning and 296.2 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 793.33 ms. Allocated memory is still 318.8 MB. Free memory was 296.2 MB in the beginning and 269.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 46877.12 ms. Allocated memory was 318.8 MB in the beginning and 461.4 MB in the end (delta: 142.6 MB). Free memory was 268.9 MB in the beginning and 426.9 MB in the end (delta: -158.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43254.3ms, 81 PlacesBefore, 104 PlacesAfterwards, 86 TransitionsBefore, 109 TransitionsAfterwards, 1386 CoEnabledTransitionPairs, 7 FixpointIterations, 91 TrivialSequentialCompositions, 63 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 159 TotalNumberOfCompositions, 12416 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3328, positive: 3018, positive conditional: 3018, positive unconditional: 0, negative: 310, negative conditional: 310, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1679, positive: 1618, positive conditional: 0, positive unconditional: 1618, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1679, positive: 1618, positive conditional: 0, positive unconditional: 1618, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1679, positive: 1476, positive conditional: 0, positive unconditional: 1476, negative: 203, negative conditional: 0, negative unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 203, positive: 142, positive conditional: 0, positive unconditional: 142, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 714, positive: 313, positive conditional: 0, positive unconditional: 313, negative: 402, negative conditional: 0, negative unconditional: 402, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3328, positive: 1400, positive conditional: 1400, positive unconditional: 0, negative: 249, negative conditional: 249, negative unconditional: 0, unknown: 1679, unknown conditional: 1679, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1668, Positive cache size: 1608, Positive conditional cache size: 1608, Positive unconditional cache size: 0, Negative cache size: 60, Negative conditional cache size: 60, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2021.3ms, 103 PlacesBefore, 39 PlacesAfterwards, 31 TransitionsBefore, 33 TransitionsAfterwards, 130 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 23 TotalNumberOfCompositions, 414 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 216, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 117, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1707, Positive cache size: 1634, Positive conditional cache size: 1634, Positive unconditional cache size: 0, Negative cache size: 73, Negative conditional cache size: 73, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.5ms, 40 PlacesBefore, 24 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 51, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1710, Positive cache size: 1637, Positive conditional cache size: 1637, Positive unconditional cache size: 0, Negative cache size: 73, Negative conditional cache size: 73, Negative unconditional cache size: 0 - CounterExampleResult [Line: 684]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L690] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L691] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L700] 0 pthread_t id; [L701] 0 int i = 0; [L702] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={9:0}, arg={10:0}, mutex1={7:0}, mutex2={3:0}] [L693] 1 int *p = (int *) arg; [L695] EXPR 1 \read(*p) [L695] 1 (*p)++ [L704] 0 \read(i) [L684] COND TRUE 0 !(cond) [L684] 0 reach_error() VAL [__global_lock={9:0}, arg={10:0}, arg={10:0}, mutex1={7:0}, mutex2={3:0}, p={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 46679.8ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 627.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43372.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 42 SDtfs, 28 SDslu, 0 SDs, 0 SdLazy, 112 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 282.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 29.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.7ms SsaConstructionTime, 109.2ms SatisfiabilityAnalysisTime, 227.9ms InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...