./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/29_conditionals_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/29_conditionals_vs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/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 54c291023186bb133fc57e125077f13a90927599 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:42:59,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:42:59,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:42:59,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:42:59,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:42:59,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:42:59,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:42:59,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:42:59,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:42:59,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:42:59,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:42:59,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:42:59,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:42:59,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:42:59,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:42:59,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:42:59,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:42:59,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:42:59,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:42:59,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:42:59,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:42:59,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:42:59,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:42:59,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:42:59,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:42:59,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:42:59,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:42:59,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:42:59,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:42:59,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:42:59,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:42:59,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:42:59,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:42:59,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:42:59,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:42:59,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:42:59,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:42:59,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:42:59,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:42:59,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:42:59,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:42:59,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 22:42:59,760 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:42:59,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:42:59,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:42:59,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:42:59,762 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:42:59,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:42:59,762 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:42:59,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:42:59,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:42:59,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:42:59,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:42:59,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:42:59,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:42:59,764 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:42:59,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:42:59,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:42:59,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:42:59,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:42:59,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:42:59,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:42:59,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:42:59,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:42:59,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:42:59,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:42:59,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:42:59,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:42:59,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:42:59,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:42:59,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/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 -> 54c291023186bb133fc57e125077f13a90927599 [2019-11-19 22:42:59,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:42:59,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:42:59,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:42:59,962 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:42:59,963 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:42:59,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/29_conditionals_vs.i [2019-11-19 22:43:00,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/uautomizer/data/2a9e4fbbd/c08ca7a2f4b74180a16c735a326ac75f/FLAG6d33ac860 [2019-11-19 22:43:00,517 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:43:00,518 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/sv-benchmarks/c/pthread-ext/29_conditionals_vs.i [2019-11-19 22:43:00,534 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/uautomizer/data/2a9e4fbbd/c08ca7a2f4b74180a16c735a326ac75f/FLAG6d33ac860 [2019-11-19 22:43:00,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/uautomizer/data/2a9e4fbbd/c08ca7a2f4b74180a16c735a326ac75f [2019-11-19 22:43:00,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:43:00,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:43:00,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:43:00,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:43:00,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:43:00,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:43:00" (1/1) ... [2019-11-19 22:43:00,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f901aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:00, skipping insertion in model container [2019-11-19 22:43:00,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:43:00" (1/1) ... [2019-11-19 22:43:00,862 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:43:00,903 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:43:01,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:43:01,266 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:43:01,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:43:01,375 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:43:01,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:01 WrapperNode [2019-11-19 22:43:01,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:43:01,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:43:01,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:43:01,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:43:01,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:01" (1/1) ... [2019-11-19 22:43:01,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:01" (1/1) ... [2019-11-19 22:43:01,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:43:01,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:43:01,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:43:01,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:43:01,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:01" (1/1) ... [2019-11-19 22:43:01,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:01" (1/1) ... [2019-11-19 22:43:01,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:01" (1/1) ... [2019-11-19 22:43:01,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:01" (1/1) ... [2019-11-19 22:43:01,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:01" (1/1) ... [2019-11-19 22:43:01,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:01" (1/1) ... [2019-11-19 22:43:01,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:01" (1/1) ... [2019-11-19 22:43:01,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:43:01,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:43:01,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:43:01,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:43:01,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/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 [2019-11-19 22:43:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-19 22:43:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-19 22:43:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:43:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:43:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:43:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:43:01,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:43:01,535 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-19 22:43:01,652 INFO L1494 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-19 22:43:01,657 INFO L1494 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-19 22:43:01,789 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:43:01,789 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 22:43:01,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:43:01 BoogieIcfgContainer [2019-11-19 22:43:01,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:43:01,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:43:01,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:43:01,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:43:01,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:43:00" (1/3) ... [2019-11-19 22:43:01,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207c4a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:43:01, skipping insertion in model container [2019-11-19 22:43:01,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:43:01" (2/3) ... [2019-11-19 22:43:01,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207c4a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:43:01, skipping insertion in model container [2019-11-19 22:43:01,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:43:01" (3/3) ... [2019-11-19 22:43:01,797 INFO L109 eAbstractionObserver]: Analyzing ICFG 29_conditionals_vs.i [2019-11-19 22:43:01,868 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,869 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,869 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,869 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,870 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,870 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,870 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,870 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,871 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,871 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,871 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,871 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,872 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,872 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,872 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,872 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,874 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,874 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,874 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,874 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,875 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,878 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,878 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,878 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,878 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,879 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,879 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,879 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,879 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,880 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,880 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,880 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,880 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,881 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,881 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,881 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,882 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,882 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,882 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,882 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,883 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,883 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,883 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,883 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,883 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,884 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,884 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,884 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,884 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,885 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,885 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,885 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,885 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,885 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,886 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,886 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,886 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,886 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,887 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,887 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,887 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,887 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,887 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,888 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,888 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,888 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,889 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,889 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,889 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,889 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,890 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,890 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,890 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,890 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,891 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,891 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,891 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,891 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,891 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,892 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,892 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,892 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,892 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,893 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,893 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,893 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,893 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,898 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,899 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,900 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,900 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,900 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,901 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,901 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,902 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,902 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,902 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,902 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,903 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 22:43:01,914 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-19 22:43:01,914 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:43:01,921 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-19 22:43:01,931 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-19 22:43:01,948 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:43:01,949 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 22:43:01,949 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:43:01,949 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:43:01,949 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:43:01,949 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:43:01,949 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:43:01,949 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:43:01,961 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 94 transitions [2019-11-19 22:43:23,624 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 109509 states. [2019-11-19 22:43:23,626 INFO L276 IsEmpty]: Start isEmpty. Operand 109509 states. [2019-11-19 22:43:23,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:43:23,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:43:23,659 INFO L410 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] [2019-11-19 22:43:23,659 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:43:23,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:43:23,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1780842583, now seen corresponding path program 1 times [2019-11-19 22:43:23,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:43:23,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769329080] [2019-11-19 22:43:23,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:43:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:43:23,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:43:23,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769329080] [2019-11-19 22:43:23,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:43:23,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:43:23,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614826732] [2019-11-19 22:43:23,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:43:23,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:43:23,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:43:23,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:43:23,888 INFO L87 Difference]: Start difference. First operand 109509 states. Second operand 3 states. [2019-11-19 22:43:24,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:43:24,741 INFO L93 Difference]: Finished difference Result 67718 states and 261815 transitions. [2019-11-19 22:43:24,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:43:24,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 22:43:24,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:43:25,196 INFO L225 Difference]: With dead ends: 67718 [2019-11-19 22:43:25,197 INFO L226 Difference]: Without dead ends: 67142 [2019-11-19 22:43:25,199 INFO L630 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 [2019-11-19 22:43:26,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67142 states. [2019-11-19 22:43:28,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67142 to 54638. [2019-11-19 22:43:28,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54638 states. [2019-11-19 22:43:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54638 states to 54638 states and 215361 transitions. [2019-11-19 22:43:28,903 INFO L78 Accepts]: Start accepts. Automaton has 54638 states and 215361 transitions. Word has length 25 [2019-11-19 22:43:28,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:43:28,904 INFO L462 AbstractCegarLoop]: Abstraction has 54638 states and 215361 transitions. [2019-11-19 22:43:28,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:43:28,905 INFO L276 IsEmpty]: Start isEmpty. Operand 54638 states and 215361 transitions. [2019-11-19 22:43:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:43:28,909 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:43:28,910 INFO L410 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] [2019-11-19 22:43:28,910 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:43:28,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:43:28,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1780841560, now seen corresponding path program 1 times [2019-11-19 22:43:28,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:43:28,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641264546] [2019-11-19 22:43:28,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:43:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:43:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:43:28,961 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641264546] [2019-11-19 22:43:28,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:43:28,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:43:28,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186089105] [2019-11-19 22:43:28,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:43:28,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:43:28,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:43:28,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:43:28,964 INFO L87 Difference]: Start difference. First operand 54638 states and 215361 transitions. Second operand 3 states. [2019-11-19 22:43:29,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:43:29,559 INFO L93 Difference]: Finished difference Result 65026 states and 249022 transitions. [2019-11-19 22:43:29,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:43:29,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 22:43:29,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:43:29,853 INFO L225 Difference]: With dead ends: 65026 [2019-11-19 22:43:29,854 INFO L226 Difference]: Without dead ends: 64898 [2019-11-19 22:43:29,855 INFO L630 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 [2019-11-19 22:43:30,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64898 states. [2019-11-19 22:43:31,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64898 to 52458. [2019-11-19 22:43:31,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52458 states. [2019-11-19 22:43:32,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52458 states to 52458 states and 204744 transitions. [2019-11-19 22:43:32,061 INFO L78 Accepts]: Start accepts. Automaton has 52458 states and 204744 transitions. Word has length 25 [2019-11-19 22:43:32,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:43:32,062 INFO L462 AbstractCegarLoop]: Abstraction has 52458 states and 204744 transitions. [2019-11-19 22:43:32,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:43:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand 52458 states and 204744 transitions. [2019-11-19 22:43:32,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:43:32,067 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:43:32,068 INFO L410 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] [2019-11-19 22:43:32,068 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:43:32,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:43:32,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1779889271, now seen corresponding path program 1 times [2019-11-19 22:43:32,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:43:32,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936863060] [2019-11-19 22:43:32,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:43:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:43:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:43:32,174 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936863060] [2019-11-19 22:43:32,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:43:32,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:43:32,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898264143] [2019-11-19 22:43:32,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:43:32,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:43:32,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:43:32,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:43:32,175 INFO L87 Difference]: Start difference. First operand 52458 states and 204744 transitions. Second operand 3 states. [2019-11-19 22:43:32,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:43:32,891 INFO L93 Difference]: Finished difference Result 58550 states and 221931 transitions. [2019-11-19 22:43:32,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:43:32,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 22:43:32,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:43:33,058 INFO L225 Difference]: With dead ends: 58550 [2019-11-19 22:43:33,059 INFO L226 Difference]: Without dead ends: 58550 [2019-11-19 22:43:33,059 INFO L630 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 [2019-11-19 22:43:33,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58550 states. [2019-11-19 22:43:34,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58550 to 50342. [2019-11-19 22:43:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50342 states. [2019-11-19 22:43:34,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50342 states to 50342 states and 192411 transitions. [2019-11-19 22:43:34,740 INFO L78 Accepts]: Start accepts. Automaton has 50342 states and 192411 transitions. Word has length 25 [2019-11-19 22:43:34,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:43:34,741 INFO L462 AbstractCegarLoop]: Abstraction has 50342 states and 192411 transitions. [2019-11-19 22:43:34,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:43:34,741 INFO L276 IsEmpty]: Start isEmpty. Operand 50342 states and 192411 transitions. [2019-11-19 22:43:34,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:43:34,745 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:43:34,745 INFO L410 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] [2019-11-19 22:43:34,745 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:43:34,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:43:34,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1779888248, now seen corresponding path program 1 times [2019-11-19 22:43:34,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:43:34,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934926534] [2019-11-19 22:43:34,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:43:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:43:34,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:43:34,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934926534] [2019-11-19 22:43:34,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:43:34,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:43:34,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586084333] [2019-11-19 22:43:34,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:43:34,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:43:34,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:43:34,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:43:34,794 INFO L87 Difference]: Start difference. First operand 50342 states and 192411 transitions. Second operand 3 states. [2019-11-19 22:43:35,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:43:35,008 INFO L93 Difference]: Finished difference Result 54318 states and 205601 transitions. [2019-11-19 22:43:35,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:43:35,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 22:43:35,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:43:35,120 INFO L225 Difference]: With dead ends: 54318 [2019-11-19 22:43:35,120 INFO L226 Difference]: Without dead ends: 53358 [2019-11-19 22:43:35,121 INFO L630 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 [2019-11-19 22:43:35,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53358 states. [2019-11-19 22:43:36,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53358 to 45150. [2019-11-19 22:43:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45150 states. [2019-11-19 22:43:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45150 states to 45150 states and 172113 transitions. [2019-11-19 22:43:36,931 INFO L78 Accepts]: Start accepts. Automaton has 45150 states and 172113 transitions. Word has length 25 [2019-11-19 22:43:36,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:43:36,931 INFO L462 AbstractCegarLoop]: Abstraction has 45150 states and 172113 transitions. [2019-11-19 22:43:36,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:43:36,932 INFO L276 IsEmpty]: Start isEmpty. Operand 45150 states and 172113 transitions. [2019-11-19 22:43:36,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:43:36,935 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:43:36,935 INFO L410 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] [2019-11-19 22:43:36,935 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:43:36,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:43:36,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1285166143, now seen corresponding path program 1 times [2019-11-19 22:43:36,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:43:36,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289742896] [2019-11-19 22:43:36,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:43:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:43:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:43:36,984 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289742896] [2019-11-19 22:43:36,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:43:36,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:43:36,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681892925] [2019-11-19 22:43:36,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:43:36,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:43:36,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:43:36,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:43:36,985 INFO L87 Difference]: Start difference. First operand 45150 states and 172113 transitions. Second operand 3 states. [2019-11-19 22:43:37,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:43:37,213 INFO L93 Difference]: Finished difference Result 61958 states and 233184 transitions. [2019-11-19 22:43:37,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:43:37,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 22:43:37,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:43:37,348 INFO L225 Difference]: With dead ends: 61958 [2019-11-19 22:43:37,348 INFO L226 Difference]: Without dead ends: 61606 [2019-11-19 22:43:37,349 INFO L630 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 [2019-11-19 22:43:38,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61606 states. [2019-11-19 22:43:38,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61606 to 50518. [2019-11-19 22:43:38,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50518 states. [2019-11-19 22:43:38,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50518 states to 50518 states and 194062 transitions. [2019-11-19 22:43:38,828 INFO L78 Accepts]: Start accepts. Automaton has 50518 states and 194062 transitions. Word has length 25 [2019-11-19 22:43:38,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:43:38,828 INFO L462 AbstractCegarLoop]: Abstraction has 50518 states and 194062 transitions. [2019-11-19 22:43:38,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:43:38,828 INFO L276 IsEmpty]: Start isEmpty. Operand 50518 states and 194062 transitions. [2019-11-19 22:43:38,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:43:38,831 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:43:38,832 INFO L410 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] [2019-11-19 22:43:38,832 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:43:38,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:43:38,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1285165120, now seen corresponding path program 1 times [2019-11-19 22:43:38,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:43:38,833 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700788224] [2019-11-19 22:43:38,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:43:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:43:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:43:38,879 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700788224] [2019-11-19 22:43:38,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:43:38,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:43:38,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516839691] [2019-11-19 22:43:38,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:43:38,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:43:38,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:43:38,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:43:38,881 INFO L87 Difference]: Start difference. First operand 50518 states and 194062 transitions. Second operand 3 states. [2019-11-19 22:43:39,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:43:39,100 INFO L93 Difference]: Finished difference Result 59582 states and 222133 transitions. [2019-11-19 22:43:39,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:43:39,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 22:43:39,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:43:39,248 INFO L225 Difference]: With dead ends: 59582 [2019-11-19 22:43:39,248 INFO L226 Difference]: Without dead ends: 58878 [2019-11-19 22:43:39,249 INFO L630 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 [2019-11-19 22:43:39,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58878 states. [2019-11-19 22:43:40,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58878 to 48142. [2019-11-19 22:43:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48142 states. [2019-11-19 22:43:46,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48142 states to 48142 states and 182835 transitions. [2019-11-19 22:43:46,202 INFO L78 Accepts]: Start accepts. Automaton has 48142 states and 182835 transitions. Word has length 25 [2019-11-19 22:43:46,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:43:46,202 INFO L462 AbstractCegarLoop]: Abstraction has 48142 states and 182835 transitions. [2019-11-19 22:43:46,202 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:43:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 48142 states and 182835 transitions. [2019-11-19 22:43:46,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:43:46,206 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:43:46,206 INFO L410 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] [2019-11-19 22:43:46,207 INFO L410 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:43:46,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:43:46,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1284212831, now seen corresponding path program 1 times [2019-11-19 22:43:46,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:43:46,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376721129] [2019-11-19 22:43:46,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:43:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:43:46,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:43:46,237 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376721129] [2019-11-19 22:43:46,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:43:46,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:43:46,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415415415] [2019-11-19 22:43:46,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:43:46,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:43:46,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:43:46,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:43:46,238 INFO L87 Difference]: Start difference. First operand 48142 states and 182835 transitions. Second operand 3 states. [2019-11-19 22:43:46,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:43:46,428 INFO L93 Difference]: Finished difference Result 52806 states and 194776 transitions. [2019-11-19 22:43:46,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:43:46,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 22:43:46,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:43:46,544 INFO L225 Difference]: With dead ends: 52806 [2019-11-19 22:43:46,544 INFO L226 Difference]: Without dead ends: 52806 [2019-11-19 22:43:46,545 INFO L630 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 [2019-11-19 22:43:47,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52806 states. [2019-11-19 22:43:47,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52806 to 46118. [2019-11-19 22:43:47,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46118 states. [2019-11-19 22:43:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46118 states to 46118 states and 171508 transitions. [2019-11-19 22:43:47,853 INFO L78 Accepts]: Start accepts. Automaton has 46118 states and 171508 transitions. Word has length 25 [2019-11-19 22:43:47,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:43:47,853 INFO L462 AbstractCegarLoop]: Abstraction has 46118 states and 171508 transitions. [2019-11-19 22:43:47,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:43:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 46118 states and 171508 transitions. [2019-11-19 22:43:47,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:43:47,857 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:43:47,857 INFO L410 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] [2019-11-19 22:43:47,857 INFO L410 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:43:47,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:43:47,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1284211808, now seen corresponding path program 1 times [2019-11-19 22:43:47,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:43:47,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108058862] [2019-11-19 22:43:47,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:43:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:43:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:43:47,909 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108058862] [2019-11-19 22:43:47,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:43:47,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:43:47,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636808552] [2019-11-19 22:43:47,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:43:47,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:43:47,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:43:47,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:43:47,911 INFO L87 Difference]: Start difference. First operand 46118 states and 171508 transitions. Second operand 3 states. [2019-11-19 22:43:48,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:43:48,074 INFO L93 Difference]: Finished difference Result 48758 states and 179514 transitions. [2019-11-19 22:43:48,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:43:48,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 22:43:48,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:43:48,160 INFO L225 Difference]: With dead ends: 48758 [2019-11-19 22:43:48,160 INFO L226 Difference]: Without dead ends: 43478 [2019-11-19 22:43:48,161 INFO L630 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 [2019-11-19 22:43:48,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43478 states. [2019-11-19 22:43:49,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43478 to 36790. [2019-11-19 22:43:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36790 states. [2019-11-19 22:43:49,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36790 states to 36790 states and 135922 transitions. [2019-11-19 22:43:49,174 INFO L78 Accepts]: Start accepts. Automaton has 36790 states and 135922 transitions. Word has length 25 [2019-11-19 22:43:49,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:43:49,174 INFO L462 AbstractCegarLoop]: Abstraction has 36790 states and 135922 transitions. [2019-11-19 22:43:49,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:43:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 36790 states and 135922 transitions. [2019-11-19 22:43:49,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:43:49,176 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:43:49,176 INFO L410 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] [2019-11-19 22:43:49,176 INFO L410 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:43:49,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:43:49,176 INFO L82 PathProgramCache]: Analyzing trace with hash -789489703, now seen corresponding path program 1 times [2019-11-19 22:43:49,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:43:49,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799800852] [2019-11-19 22:43:49,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:43:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:43:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:43:49,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799800852] [2019-11-19 22:43:49,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:43:49,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:43:49,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968148517] [2019-11-19 22:43:49,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:43:49,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:43:49,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:43:49,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:43:49,220 INFO L87 Difference]: Start difference. First operand 36790 states and 135922 transitions. Second operand 3 states. [2019-11-19 22:43:49,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:43:49,430 INFO L93 Difference]: Finished difference Result 46470 states and 169626 transitions. [2019-11-19 22:43:49,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:43:49,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 22:43:49,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:43:49,548 INFO L225 Difference]: With dead ends: 46470 [2019-11-19 22:43:49,548 INFO L226 Difference]: Without dead ends: 44534 [2019-11-19 22:43:49,548 INFO L630 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 [2019-11-19 22:43:50,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44534 states. [2019-11-19 22:43:51,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44534 to 38726. [2019-11-19 22:43:51,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38726 states. [2019-11-19 22:43:51,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38726 states to 38726 states and 143050 transitions. [2019-11-19 22:43:51,092 INFO L78 Accepts]: Start accepts. Automaton has 38726 states and 143050 transitions. Word has length 25 [2019-11-19 22:43:51,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:43:51,092 INFO L462 AbstractCegarLoop]: Abstraction has 38726 states and 143050 transitions. [2019-11-19 22:43:51,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:43:51,092 INFO L276 IsEmpty]: Start isEmpty. Operand 38726 states and 143050 transitions. [2019-11-19 22:43:51,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:43:51,094 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:43:51,094 INFO L410 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] [2019-11-19 22:43:51,094 INFO L410 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:43:51,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:43:51,095 INFO L82 PathProgramCache]: Analyzing trace with hash -789488680, now seen corresponding path program 1 times [2019-11-19 22:43:51,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:43:51,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420717489] [2019-11-19 22:43:51,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:43:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:43:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:43:51,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420717489] [2019-11-19 22:43:51,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:43:51,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:43:51,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330477011] [2019-11-19 22:43:51,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:43:51,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:43:51,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:43:51,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:43:51,125 INFO L87 Difference]: Start difference. First operand 38726 states and 143050 transitions. Second operand 3 states. [2019-11-19 22:43:51,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:43:51,293 INFO L93 Difference]: Finished difference Result 42598 states and 153434 transitions. [2019-11-19 22:43:51,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:43:51,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 22:43:51,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:43:51,363 INFO L225 Difference]: With dead ends: 42598 [2019-11-19 22:43:51,363 INFO L226 Difference]: Without dead ends: 38726 [2019-11-19 22:43:51,363 INFO L630 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 [2019-11-19 22:43:51,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38726 states. [2019-11-19 22:43:52,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38726 to 34854. [2019-11-19 22:43:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34854 states. [2019-11-19 22:43:52,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34854 states to 34854 states and 126858 transitions. [2019-11-19 22:43:52,206 INFO L78 Accepts]: Start accepts. Automaton has 34854 states and 126858 transitions. Word has length 25 [2019-11-19 22:43:52,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:43:52,206 INFO L462 AbstractCegarLoop]: Abstraction has 34854 states and 126858 transitions. [2019-11-19 22:43:52,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:43:52,206 INFO L276 IsEmpty]: Start isEmpty. Operand 34854 states and 126858 transitions. [2019-11-19 22:43:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:43:52,208 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:43:52,209 INFO L410 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] [2019-11-19 22:43:52,209 INFO L410 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:43:52,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:43:52,209 INFO L82 PathProgramCache]: Analyzing trace with hash -788536391, now seen corresponding path program 1 times [2019-11-19 22:43:52,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:43:52,210 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452511957] [2019-11-19 22:43:52,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:43:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:43:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:43:52,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452511957] [2019-11-19 22:43:52,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:43:52,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:43:52,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345038057] [2019-11-19 22:43:52,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:43:52,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:43:52,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:43:52,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:43:52,248 INFO L87 Difference]: Start difference. First operand 34854 states and 126858 transitions. Second operand 3 states. [2019-11-19 22:43:52,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:43:52,374 INFO L93 Difference]: Finished difference Result 32918 states and 117794 transitions. [2019-11-19 22:43:52,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:43:52,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 22:43:52,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:43:52,432 INFO L225 Difference]: With dead ends: 32918 [2019-11-19 22:43:52,432 INFO L226 Difference]: Without dead ends: 32918 [2019-11-19 22:43:52,432 INFO L630 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 [2019-11-19 22:43:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32918 states. [2019-11-19 22:43:53,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32918 to 32918. [2019-11-19 22:43:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32918 states. [2019-11-19 22:43:53,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32918 states to 32918 states and 117794 transitions. [2019-11-19 22:43:53,188 INFO L78 Accepts]: Start accepts. Automaton has 32918 states and 117794 transitions. Word has length 25 [2019-11-19 22:43:53,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:43:53,188 INFO L462 AbstractCegarLoop]: Abstraction has 32918 states and 117794 transitions. [2019-11-19 22:43:53,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:43:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 32918 states and 117794 transitions. [2019-11-19 22:43:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:43:53,190 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:43:53,190 INFO L410 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] [2019-11-19 22:43:53,190 INFO L410 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:43:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:43:53,190 INFO L82 PathProgramCache]: Analyzing trace with hash -788535368, now seen corresponding path program 1 times [2019-11-19 22:43:53,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:43:53,191 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080918064] [2019-11-19 22:43:53,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:43:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:43:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:43:53,229 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080918064] [2019-11-19 22:43:53,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:43:53,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:43:53,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044375498] [2019-11-19 22:43:53,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:43:53,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:43:53,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:43:53,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:43:53,230 INFO L87 Difference]: Start difference. First operand 32918 states and 117794 transitions. Second operand 3 states. [2019-11-19 22:43:53,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:43:53,332 INFO L93 Difference]: Finished difference Result 29046 states and 103538 transitions. [2019-11-19 22:43:53,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:43:53,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 22:43:53,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:43:53,333 INFO L225 Difference]: With dead ends: 29046 [2019-11-19 22:43:53,333 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 22:43:53,333 INFO L630 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 [2019-11-19 22:43:53,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 22:43:53,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 22:43:53,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 22:43:53,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 22:43:53,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-19 22:43:53,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:43:53,334 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:43:53,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:43:53,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:43:53,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:43:53,336 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-19 22:43:53,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:43:53 BasicIcfg [2019-11-19 22:43:53,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:43:53,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:43:53,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:43:53,339 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:43:53,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:43:01" (3/4) ... [2019-11-19 22:43:53,341 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:43:53,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2019-11-19 22:43:53,350 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-19 22:43:53,350 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 22:43:53,350 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:43:53,382 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2f59ccf9-7541-4924-a221-081bbd8d8cc3/bin/uautomizer/witness.graphml [2019-11-19 22:43:53,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:43:53,385 INFO L168 Benchmark]: Toolchain (without parser) took 52535.91 ms. Allocated memory was 1.0 GB in the beginning and 5.8 GB in the end (delta: 4.7 GB). Free memory was 946.0 MB in the beginning and 2.9 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2019-11-19 22:43:53,385 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:43:53,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:43:53,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.36 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:43:53,387 INFO L168 Benchmark]: Boogie Preprocessor took 38.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:43:53,388 INFO L168 Benchmark]: RCFGBuilder took 335.42 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:43:53,388 INFO L168 Benchmark]: TraceAbstraction took 51546.86 ms. Allocated memory was 1.2 GB in the beginning and 5.8 GB in the end (delta: 4.6 GB). Free memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2019-11-19 22:43:53,389 INFO L168 Benchmark]: Witness Printer took 44.26 ms. Allocated memory is still 5.8 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:43:53,392 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 527.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.36 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 335.42 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 51546.86 ms. Allocated memory was 1.2 GB in the beginning and 5.8 GB in the end (delta: 4.6 GB). Free memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 44.26 ms. Allocated memory is still 5.8 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 704]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 704]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 704]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 704]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 104 locations, 4 error locations. Result: SAFE, OverallTime: 51.3s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1546 SDtfs, 658 SDslu, 847 SDs, 0 SdLazy, 64 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109509occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 23.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 86240 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 8280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...