./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stack_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a45f8334b1b3999c3eda6569d09120923539f302 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:31:18,676 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:31:18,677 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:31:18,684 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:31:18,684 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:31:18,685 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:31:18,686 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:31:18,687 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:31:18,688 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:31:18,689 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:31:18,689 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:31:18,689 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:31:18,690 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:31:18,691 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:31:18,691 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:31:18,692 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:31:18,693 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:31:18,694 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:31:18,696 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:31:18,697 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:31:18,697 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:31:18,698 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:31:18,700 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:31:18,700 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:31:18,700 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:31:18,700 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:31:18,702 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:31:18,702 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:31:18,703 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:31:18,704 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:31:18,704 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:31:18,704 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:31:18,704 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:31:18,704 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:31:18,705 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:31:18,706 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:31:18,706 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:31:18,716 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:31:18,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:31:18,716 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:31:18,717 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:31:18,717 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:31:18,717 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:31:18,718 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:31:18,718 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:31:18,718 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:31:18,718 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:31:18,718 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:31:18,719 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:31:18,719 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:31:18,719 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:31:18,719 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:31:18,719 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:31:18,719 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:31:18,719 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:31:18,719 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:31:18,719 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:31:18,720 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:31:18,720 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:31:18,720 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:31:18,720 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:31:18,720 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:31:18,720 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:31:18,720 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:31:18,720 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:31:18,720 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:31:18,720 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:31:18,720 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a45f8334b1b3999c3eda6569d09120923539f302 [2018-11-28 11:31:18,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:31:18,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:31:18,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:31:18,755 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:31:18,756 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:31:18,756 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/../../sv-benchmarks/c/pthread/stack_false-unreach-call.i [2018-11-28 11:31:18,795 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/data/067e874b9/26341f58b18d43709ac1ca0221e093d0/FLAG6a0aa191c [2018-11-28 11:31:19,149 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:31:19,149 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/sv-benchmarks/c/pthread/stack_false-unreach-call.i [2018-11-28 11:31:19,160 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/data/067e874b9/26341f58b18d43709ac1ca0221e093d0/FLAG6a0aa191c [2018-11-28 11:31:19,173 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/data/067e874b9/26341f58b18d43709ac1ca0221e093d0 [2018-11-28 11:31:19,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:31:19,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:31:19,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:31:19,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:31:19,180 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:31:19,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:31:19" (1/1) ... [2018-11-28 11:31:19,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd293b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19, skipping insertion in model container [2018-11-28 11:31:19,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:31:19" (1/1) ... [2018-11-28 11:31:19,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:31:19,220 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:31:19,476 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:31:19,533 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:31:19,568 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:31:19,658 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:31:19,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19 WrapperNode [2018-11-28 11:31:19,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:31:19,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:31:19,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:31:19,659 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:31:19,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19" (1/1) ... [2018-11-28 11:31:19,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19" (1/1) ... [2018-11-28 11:31:19,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:31:19,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:31:19,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:31:19,702 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:31:19,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19" (1/1) ... [2018-11-28 11:31:19,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19" (1/1) ... [2018-11-28 11:31:19,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19" (1/1) ... [2018-11-28 11:31:19,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19" (1/1) ... [2018-11-28 11:31:19,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19" (1/1) ... [2018-11-28 11:31:19,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19" (1/1) ... [2018-11-28 11:31:19,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19" (1/1) ... [2018-11-28 11:31:19,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:31:19,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:31:19,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:31:19,728 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:31:19,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/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 [2018-11-28 11:31:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-11-28 11:31:19,765 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-11-28 11:31:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-11-28 11:31:19,765 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-11-28 11:31:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:31:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:31:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 11:31:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:31:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-11-28 11:31:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:31:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:31:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:31:19,767 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 11:31:20,066 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:31:20,066 INFO L280 CfgBuilder]: Removed 24 assue(true) statements. [2018-11-28 11:31:20,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:20 BoogieIcfgContainer [2018-11-28 11:31:20,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:31:20,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:31:20,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:31:20,069 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:31:20,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:31:19" (1/3) ... [2018-11-28 11:31:20,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2e298c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:31:20, skipping insertion in model container [2018-11-28 11:31:20,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:31:19" (2/3) ... [2018-11-28 11:31:20,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2e298c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:31:20, skipping insertion in model container [2018-11-28 11:31:20,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:20" (3/3) ... [2018-11-28 11:31:20,071 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_false-unreach-call.i [2018-11-28 11:31:20,097 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,097 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,097 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,097 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,098 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,098 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,098 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,098 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,098 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,098 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,098 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,098 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,098 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,098 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~ret34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,099 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,100 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,100 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,100 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,100 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,100 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,100 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,100 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,100 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,100 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,100 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,100 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,100 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,101 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,101 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~ret34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,101 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,101 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~ret34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,101 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,101 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,101 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,101 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,101 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~ret34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,101 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,101 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,101 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,102 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~ret34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,102 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_inc_top_#t~post29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,102 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_inc_top_#t~post29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,102 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,102 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,102 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_inc_top_#t~post29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,102 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,102 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,102 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_inc_top_#t~post29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,102 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,102 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,103 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,103 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,103 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,103 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,103 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,103 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,103 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,103 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,103 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,104 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,104 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,104 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,104 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,104 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,104 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,104 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,104 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,104 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,104 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,104 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,105 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,105 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,105 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,105 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,105 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,105 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,105 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,105 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,105 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,105 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,105 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,105 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,109 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,110 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,110 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,110 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,110 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,110 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,110 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,111 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,111 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dec_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,111 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,111 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dec_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,111 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,111 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,111 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dec_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,112 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,112 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dec_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,112 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,112 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,114 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,114 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,114 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,114 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,114 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,114 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,115 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,115 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,115 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,115 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,115 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,115 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,115 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,116 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,116 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:31:20,130 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 11:31:20,130 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:31:20,136 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-28 11:31:20,145 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-28 11:31:20,162 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:31:20,163 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:31:20,163 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:31:20,163 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:31:20,163 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:31:20,163 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:31:20,163 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:31:20,164 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:31:20,164 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:31:20,173 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 133places, 141 transitions [2018-11-28 11:31:20,335 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6508 states. [2018-11-28 11:31:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 6508 states. [2018-11-28 11:31:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-28 11:31:20,357 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:31:20,358 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:20,360 INFO L423 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:31:20,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:20,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1058864460, now seen corresponding path program 1 times [2018-11-28 11:31:20,365 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:20,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:20,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:20,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:20,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:20,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:31:20,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:31:20,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:31:20,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:31:20,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:31:20,577 INFO L87 Difference]: Start difference. First operand 6508 states. Second operand 3 states. [2018-11-28 11:31:20,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:31:20,716 INFO L93 Difference]: Finished difference Result 9856 states and 26355 transitions. [2018-11-28 11:31:20,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:31:20,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-28 11:31:20,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:31:20,771 INFO L225 Difference]: With dead ends: 9856 [2018-11-28 11:31:20,771 INFO L226 Difference]: Without dead ends: 9748 [2018-11-28 11:31:20,772 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:31:20,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9748 states. [2018-11-28 11:31:21,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9748 to 8278. [2018-11-28 11:31:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8278 states. [2018-11-28 11:31:21,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8278 states to 8278 states and 22336 transitions. [2018-11-28 11:31:21,068 INFO L78 Accepts]: Start accepts. Automaton has 8278 states and 22336 transitions. Word has length 48 [2018-11-28 11:31:21,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:31:21,069 INFO L480 AbstractCegarLoop]: Abstraction has 8278 states and 22336 transitions. [2018-11-28 11:31:21,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:31:21,069 INFO L276 IsEmpty]: Start isEmpty. Operand 8278 states and 22336 transitions. [2018-11-28 11:31:21,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:31:21,075 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:31:21,075 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:21,075 INFO L423 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:31:21,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:21,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1994380150, now seen corresponding path program 1 times [2018-11-28 11:31:21,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:21,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:21,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:21,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:21,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:21,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:31:21,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:31:21,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:31:21,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:31:21,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:31:21,137 INFO L87 Difference]: Start difference. First operand 8278 states and 22336 transitions. Second operand 3 states. [2018-11-28 11:31:21,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:31:21,205 INFO L93 Difference]: Finished difference Result 7699 states and 20471 transitions. [2018-11-28 11:31:21,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:31:21,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 11:31:21,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:31:21,233 INFO L225 Difference]: With dead ends: 7699 [2018-11-28 11:31:21,233 INFO L226 Difference]: Without dead ends: 7558 [2018-11-28 11:31:21,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:31:21,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7558 states. [2018-11-28 11:31:21,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7558 to 7330. [2018-11-28 11:31:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7330 states. [2018-11-28 11:31:21,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7330 states to 7330 states and 19610 transitions. [2018-11-28 11:31:21,424 INFO L78 Accepts]: Start accepts. Automaton has 7330 states and 19610 transitions. Word has length 52 [2018-11-28 11:31:21,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:31:21,425 INFO L480 AbstractCegarLoop]: Abstraction has 7330 states and 19610 transitions. [2018-11-28 11:31:21,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:31:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 7330 states and 19610 transitions. [2018-11-28 11:31:21,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 11:31:21,428 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:31:21,428 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:21,428 INFO L423 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:31:21,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:21,429 INFO L82 PathProgramCache]: Analyzing trace with hash -614550933, now seen corresponding path program 1 times [2018-11-28 11:31:21,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:21,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:21,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:21,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:21,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:21,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:31:21,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:31:21,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:31:21,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:31:21,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:31:21,491 INFO L87 Difference]: Start difference. First operand 7330 states and 19610 transitions. Second operand 4 states. [2018-11-28 11:31:21,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:31:21,556 INFO L93 Difference]: Finished difference Result 10195 states and 27213 transitions. [2018-11-28 11:31:21,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:31:21,557 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2018-11-28 11:31:21,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:31:21,578 INFO L225 Difference]: With dead ends: 10195 [2018-11-28 11:31:21,578 INFO L226 Difference]: Without dead ends: 10195 [2018-11-28 11:31:21,578 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:31:21,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10195 states. [2018-11-28 11:31:21,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10195 to 7654. [2018-11-28 11:31:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7654 states. [2018-11-28 11:31:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7654 states to 7654 states and 20477 transitions. [2018-11-28 11:31:21,689 INFO L78 Accepts]: Start accepts. Automaton has 7654 states and 20477 transitions. Word has length 57 [2018-11-28 11:31:21,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:31:21,690 INFO L480 AbstractCegarLoop]: Abstraction has 7654 states and 20477 transitions. [2018-11-28 11:31:21,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:31:21,690 INFO L276 IsEmpty]: Start isEmpty. Operand 7654 states and 20477 transitions. [2018-11-28 11:31:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-28 11:31:21,694 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:31:21,695 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:21,695 INFO L423 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:31:21,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:21,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1676648747, now seen corresponding path program 1 times [2018-11-28 11:31:21,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:21,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:21,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:21,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:21,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:21,779 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:31:21,779 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:31:21,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:21,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:31:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:21,884 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:31:21,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-11-28 11:31:21,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:31:21,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:31:21,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:31:21,885 INFO L87 Difference]: Start difference. First operand 7654 states and 20477 transitions. Second operand 7 states. [2018-11-28 11:31:21,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:31:21,965 INFO L93 Difference]: Finished difference Result 11188 states and 29821 transitions. [2018-11-28 11:31:21,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:31:21,966 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2018-11-28 11:31:21,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:31:21,982 INFO L225 Difference]: With dead ends: 11188 [2018-11-28 11:31:21,982 INFO L226 Difference]: Without dead ends: 11188 [2018-11-28 11:31:21,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:31:22,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11188 states. [2018-11-28 11:31:22,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11188 to 9718. [2018-11-28 11:31:22,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9718 states. [2018-11-28 11:31:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9718 states to 9718 states and 26038 transitions. [2018-11-28 11:31:22,129 INFO L78 Accepts]: Start accepts. Automaton has 9718 states and 26038 transitions. Word has length 80 [2018-11-28 11:31:22,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:31:22,129 INFO L480 AbstractCegarLoop]: Abstraction has 9718 states and 26038 transitions. [2018-11-28 11:31:22,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:31:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 9718 states and 26038 transitions. [2018-11-28 11:31:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 11:31:22,135 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:31:22,135 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:22,135 INFO L423 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:31:22,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:22,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1178732055, now seen corresponding path program 1 times [2018-11-28 11:31:22,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:22,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:22,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:22,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:22,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:31:22,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:31:22,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:31:22,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:31:22,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:31:22,194 INFO L87 Difference]: Start difference. First operand 9718 states and 26038 transitions. Second operand 3 states. [2018-11-28 11:31:22,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:31:22,223 INFO L93 Difference]: Finished difference Result 4951 states and 12537 transitions. [2018-11-28 11:31:22,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:31:22,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2018-11-28 11:31:22,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:31:22,229 INFO L225 Difference]: With dead ends: 4951 [2018-11-28 11:31:22,229 INFO L226 Difference]: Without dead ends: 4951 [2018-11-28 11:31:22,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:31:22,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4951 states. [2018-11-28 11:31:22,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4951 to 4846. [2018-11-28 11:31:22,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4846 states. [2018-11-28 11:31:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 12272 transitions. [2018-11-28 11:31:22,290 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 12272 transitions. Word has length 84 [2018-11-28 11:31:22,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:31:22,290 INFO L480 AbstractCegarLoop]: Abstraction has 4846 states and 12272 transitions. [2018-11-28 11:31:22,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:31:22,290 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 12272 transitions. [2018-11-28 11:31:22,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-28 11:31:22,294 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:31:22,294 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:22,294 INFO L423 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:31:22,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:22,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1641980441, now seen corresponding path program 1 times [2018-11-28 11:31:22,295 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:22,295 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:22,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:22,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:22,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:22,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:31:22,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:31:22,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:31:22,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:31:22,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:31:22,425 INFO L87 Difference]: Start difference. First operand 4846 states and 12272 transitions. Second operand 7 states. [2018-11-28 11:31:22,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:31:22,536 INFO L93 Difference]: Finished difference Result 6385 states and 16126 transitions. [2018-11-28 11:31:22,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:31:22,537 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2018-11-28 11:31:22,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:31:22,544 INFO L225 Difference]: With dead ends: 6385 [2018-11-28 11:31:22,545 INFO L226 Difference]: Without dead ends: 6385 [2018-11-28 11:31:22,545 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:31:22,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6385 states. [2018-11-28 11:31:22,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6385 to 5251. [2018-11-28 11:31:22,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5251 states. [2018-11-28 11:31:22,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 5251 states and 13266 transitions. [2018-11-28 11:31:22,600 INFO L78 Accepts]: Start accepts. Automaton has 5251 states and 13266 transitions. Word has length 85 [2018-11-28 11:31:22,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:31:22,600 INFO L480 AbstractCegarLoop]: Abstraction has 5251 states and 13266 transitions. [2018-11-28 11:31:22,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:31:22,600 INFO L276 IsEmpty]: Start isEmpty. Operand 5251 states and 13266 transitions. [2018-11-28 11:31:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 11:31:22,604 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:31:22,604 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:22,604 INFO L423 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:31:22,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:22,604 INFO L82 PathProgramCache]: Analyzing trace with hash -2073090447, now seen corresponding path program 1 times [2018-11-28 11:31:22,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:22,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:22,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:22,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:23,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:31:23,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-11-28 11:31:23,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-28 11:31:23,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-28 11:31:23,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2018-11-28 11:31:23,093 INFO L87 Difference]: Start difference. First operand 5251 states and 13266 transitions. Second operand 22 states. [2018-11-28 11:31:25,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:31:25,210 INFO L93 Difference]: Finished difference Result 13174 states and 33307 transitions. [2018-11-28 11:31:25,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-28 11:31:25,210 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 95 [2018-11-28 11:31:25,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:31:25,225 INFO L225 Difference]: With dead ends: 13174 [2018-11-28 11:31:25,225 INFO L226 Difference]: Without dead ends: 13174 [2018-11-28 11:31:25,226 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=441, Invalid=2315, Unknown=0, NotChecked=0, Total=2756 [2018-11-28 11:31:25,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13174 states. [2018-11-28 11:31:25,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13174 to 7516. [2018-11-28 11:31:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7516 states. [2018-11-28 11:31:25,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7516 states to 7516 states and 19180 transitions. [2018-11-28 11:31:25,362 INFO L78 Accepts]: Start accepts. Automaton has 7516 states and 19180 transitions. Word has length 95 [2018-11-28 11:31:25,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:31:25,362 INFO L480 AbstractCegarLoop]: Abstraction has 7516 states and 19180 transitions. [2018-11-28 11:31:25,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-28 11:31:25,362 INFO L276 IsEmpty]: Start isEmpty. Operand 7516 states and 19180 transitions. [2018-11-28 11:31:25,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-28 11:31:25,369 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:31:25,369 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:25,369 INFO L423 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:31:25,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:25,369 INFO L82 PathProgramCache]: Analyzing trace with hash 2085397410, now seen corresponding path program 2 times [2018-11-28 11:31:25,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:25,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:25,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:25,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:25,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:25,455 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:31:25,455 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:31:25,466 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 11:31:25,503 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 11:31:25,503 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 11:31:25,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:31:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:25,570 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:31:25,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-11-28 11:31:25,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:31:25,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:31:25,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:31:25,571 INFO L87 Difference]: Start difference. First operand 7516 states and 19180 transitions. Second operand 9 states. [2018-11-28 11:31:25,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:31:25,664 INFO L93 Difference]: Finished difference Result 10708 states and 27082 transitions. [2018-11-28 11:31:25,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:31:25,664 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2018-11-28 11:31:25,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:31:25,673 INFO L225 Difference]: With dead ends: 10708 [2018-11-28 11:31:25,673 INFO L226 Difference]: Without dead ends: 10708 [2018-11-28 11:31:25,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:31:25,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10708 states. [2018-11-28 11:31:25,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10708 to 9013. [2018-11-28 11:31:25,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9013 states. [2018-11-28 11:31:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9013 states to 9013 states and 23050 transitions. [2018-11-28 11:31:25,830 INFO L78 Accepts]: Start accepts. Automaton has 9013 states and 23050 transitions. Word has length 112 [2018-11-28 11:31:25,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:31:25,830 INFO L480 AbstractCegarLoop]: Abstraction has 9013 states and 23050 transitions. [2018-11-28 11:31:25,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:31:25,830 INFO L276 IsEmpty]: Start isEmpty. Operand 9013 states and 23050 transitions. [2018-11-28 11:31:25,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-28 11:31:25,837 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:31:25,837 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:25,838 INFO L423 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:31:25,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:25,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1104904784, now seen corresponding path program 1 times [2018-11-28 11:31:25,838 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:25,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:25,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:25,839 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:31:25,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:25,933 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:25,933 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:31:25,933 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:31:25,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:31:25,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:31:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:31:26,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:31:26,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 11 [2018-11-28 11:31:26,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 11:31:26,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 11:31:26,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:31:26,064 INFO L87 Difference]: Start difference. First operand 9013 states and 23050 transitions. Second operand 11 states. [2018-11-28 11:31:26,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:31:26,189 INFO L93 Difference]: Finished difference Result 11140 states and 28246 transitions. [2018-11-28 11:31:26,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 11:31:26,189 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 117 [2018-11-28 11:31:26,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:31:26,197 INFO L225 Difference]: With dead ends: 11140 [2018-11-28 11:31:26,198 INFO L226 Difference]: Without dead ends: 11140 [2018-11-28 11:31:26,198 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-11-28 11:31:26,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11140 states. [2018-11-28 11:31:26,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11140 to 9142. [2018-11-28 11:31:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9142 states. [2018-11-28 11:31:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9142 states to 9142 states and 23407 transitions. [2018-11-28 11:31:26,287 INFO L78 Accepts]: Start accepts. Automaton has 9142 states and 23407 transitions. Word has length 117 [2018-11-28 11:31:26,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:31:26,287 INFO L480 AbstractCegarLoop]: Abstraction has 9142 states and 23407 transitions. [2018-11-28 11:31:26,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 11:31:26,287 INFO L276 IsEmpty]: Start isEmpty. Operand 9142 states and 23407 transitions. [2018-11-28 11:31:26,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-28 11:31:26,293 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:31:26,293 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:31:26,293 INFO L423 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:31:26,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:31:26,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1780067451, now seen corresponding path program 1 times [2018-11-28 11:31:26,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:31:26,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:31:26,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:26,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:31:26,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:31:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:31:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:31:26,352 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:31:26,417 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-28 11:31:26,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:31:26 BasicIcfg [2018-11-28 11:31:26,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:31:26,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:31:26,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:31:26,419 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:31:26,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:31:20" (3/4) ... [2018-11-28 11:31:26,422 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 11:31:26,492 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4264e690-35bb-42ec-a4e2-12fbddeda9cb/bin-2019/uautomizer/witness.graphml [2018-11-28 11:31:26,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:31:26,493 INFO L168 Benchmark]: Toolchain (without parser) took 7317.17 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 566.8 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -205.8 MB). Peak memory consumption was 361.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:26,494 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:31:26,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:26,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:26,494 INFO L168 Benchmark]: Boogie Preprocessor took 25.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:26,495 INFO L168 Benchmark]: RCFGBuilder took 339.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:26,497 INFO L168 Benchmark]: TraceAbstraction took 6351.75 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 399.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -105.5 MB). Peak memory consumption was 293.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:26,497 INFO L168 Benchmark]: Witness Printer took 73.15 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:31:26,499 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 482.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 339.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6351.75 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 399.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -105.5 MB). Peak memory consumption was 293.5 MB. Max. memory is 11.5 GB. * Witness Printer took 73.15 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1860]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1853] -1 static int top=0; VAL [top=0] [L1854] -1 static unsigned int arr[(5)]; VAL [arr={4294967299:0}, top=0] [L1855] -1 pthread_mutex_t m; VAL [arr={4294967299:0}, m={4294967302:0}, top=0] [L1856] -1 _Bool flag=(0); VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1952] -1 pthread_t id1, id2; VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1956] FCALL, FORK -1 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1916] 0 int i; VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1957] FCALL, FORK -1 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1934] 1 int i; VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1936] 1 i=0 VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1917] 0 unsigned int tmp; VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1919] 0 i=0 VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1936] COND TRUE 1 i<(5) VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1919] COND TRUE 0 i<(5) VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1922] 0 tmp = __VERIFIER_nondet_uint() VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1886] COND FALSE 0 !(top==(5)) VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1876] 0 return top; VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1893] 0 stack[get_top()] = x VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1866] 0 top++ VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=1] [L1896] 0 return 0; VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=1] [L1924] COND FALSE 0 !(push(arr,tmp)==(-1)) VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=1] [L1926] 0 flag=(1) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=1] [L1939] COND TRUE 1 \read(flag) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=1] [L1876] 1 return top; VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=1] [L1901] COND FALSE 1 !(get_top()==0) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=1] [L1871] 1 top-- VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1876] 1 return top; VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1909] EXPR 1 stack[get_top()] VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1909] 1 return stack[get_top()]; VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1941] COND FALSE 1 !(!(pop(arr)!=(-2))) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1936] 1 i++ VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1936] COND TRUE 1 i<(5) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1939] COND TRUE 1 \read(flag) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1876] 1 return top; VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1901] COND TRUE 1 get_top()==0 VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1904] 1 return (-2); VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1941] COND TRUE 1 !(pop(arr)!=(-2)) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1860] 1 __VERIFIER_error() VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 223 locations, 4 error locations. UNSAFE Result, 6.2s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1917 SDtfs, 2489 SDslu, 10838 SDs, 0 SdLazy, 2277 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 418 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9718occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 16299 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1158 NumberOfCodeBlocks, 1158 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1027 ConstructedInterpolants, 0 QuantifiedInterpolants, 350883 SizeOfPredicates, 15 NumberOfNonLiveVariables, 683 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 55/212 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...