./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe007_pso.opt_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe007_pso.opt_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40252da08aa7cf58daae88de6ee869f5d708ae31 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:08:36,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:08:36,820 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:08:36,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:08:36,829 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:08:36,829 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:08:36,830 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:08:36,831 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:08:36,832 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:08:36,833 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:08:36,834 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:08:36,834 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:08:36,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:08:36,835 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:08:36,836 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:08:36,836 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:08:36,837 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:08:36,838 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:08:36,839 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:08:36,840 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:08:36,841 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:08:36,842 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:08:36,843 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:08:36,844 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:08:36,844 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:08:36,844 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:08:36,845 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:08:36,846 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:08:36,846 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:08:36,847 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:08:36,847 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:08:36,848 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:08:36,848 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:08:36,849 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:08:36,849 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:08:36,849 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:08:36,850 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 15:08:36,860 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:08:36,860 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:08:36,861 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:08:36,861 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:08:36,861 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:08:36,862 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:08:36,862 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:08:36,862 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:08:36,862 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:08:36,862 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:08:36,862 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:08:36,862 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:08:36,862 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:08:36,863 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:08:36,863 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:08:36,863 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:08:36,863 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:08:36,863 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:08:36,863 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:08:36,863 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:08:36,863 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:08:36,864 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:08:36,864 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:08:36,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:08:36,864 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:08:36,864 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:08:36,864 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:08:36,864 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:08:36,864 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:08:36,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:08:36,865 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40252da08aa7cf58daae88de6ee869f5d708ae31 [2018-11-23 15:08:36,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:08:36,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:08:36,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:08:36,898 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:08:36,898 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:08:36,899 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe007_pso.opt_true-unreach-call.i [2018-11-23 15:08:36,934 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer/data/abc301a4e/c50a3abdec0948bd86ad7e1af84d6b53/FLAG50f2b975d [2018-11-23 15:08:37,380 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:08:37,381 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/sv-benchmarks/c/pthread-wmm/safe007_pso.opt_true-unreach-call.i [2018-11-23 15:08:37,392 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer/data/abc301a4e/c50a3abdec0948bd86ad7e1af84d6b53/FLAG50f2b975d [2018-11-23 15:08:37,401 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer/data/abc301a4e/c50a3abdec0948bd86ad7e1af84d6b53 [2018-11-23 15:08:37,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:08:37,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:08:37,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:08:37,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:08:37,407 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:08:37,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:08:37" (1/1) ... [2018-11-23 15:08:37,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3ac4a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37, skipping insertion in model container [2018-11-23 15:08:37,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:08:37" (1/1) ... [2018-11-23 15:08:37,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:08:37,444 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:08:37,658 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:08:37,667 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:08:37,742 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:08:37,791 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:08:37,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37 WrapperNode [2018-11-23 15:08:37,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:08:37,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:08:37,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:08:37,793 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:08:37,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37" (1/1) ... [2018-11-23 15:08:37,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37" (1/1) ... [2018-11-23 15:08:37,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:08:37,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:08:37,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:08:37,828 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:08:37,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37" (1/1) ... [2018-11-23 15:08:37,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37" (1/1) ... [2018-11-23 15:08:37,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37" (1/1) ... [2018-11-23 15:08:37,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37" (1/1) ... [2018-11-23 15:08:37,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37" (1/1) ... [2018-11-23 15:08:37,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37" (1/1) ... [2018-11-23 15:08:37,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37" (1/1) ... [2018-11-23 15:08:37,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:08:37,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:08:37,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:08:37,849 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:08:37,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:08:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:08:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 15:08:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-23 15:08:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:08:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-23 15:08:37,902 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-23 15:08:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-23 15:08:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-23 15:08:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-23 15:08:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-23 15:08:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-23 15:08:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:08:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:08:37,904 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 15:08:38,099 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:08:38,099 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 15:08:38,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:38 BoogieIcfgContainer [2018-11-23 15:08:38,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:08:38,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:08:38,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:08:38,103 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:08:38,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:08:37" (1/3) ... [2018-11-23 15:08:38,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52893f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:08:38, skipping insertion in model container [2018-11-23 15:08:38,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:37" (2/3) ... [2018-11-23 15:08:38,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52893f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:08:38, skipping insertion in model container [2018-11-23 15:08:38,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:38" (3/3) ... [2018-11-23 15:08:38,106 INFO L112 eAbstractionObserver]: Analyzing ICFG safe007_pso.opt_true-unreach-call.i [2018-11-23 15:08:38,129 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,129 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,129 WARN L317 ript$VariableManager]: TermVariabe Thread2_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,129 WARN L317 ript$VariableManager]: TermVariabe Thread2_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,130 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,130 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,130 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,130 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,130 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,130 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,130 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,130 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,131 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,131 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,131 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,131 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,131 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,131 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,131 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,131 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,132 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,132 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,132 WARN L317 ript$VariableManager]: TermVariabe Thread1_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,132 WARN L317 ript$VariableManager]: TermVariabe Thread1_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,132 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,132 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,132 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,132 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,132 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,133 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:08:38,150 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 15:08:38,150 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:08:38,158 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:08:38,167 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:08:38,184 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:08:38,184 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:08:38,184 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:08:38,184 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:08:38,185 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:08:38,185 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:08:38,185 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:08:38,185 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:08:38,185 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:08:38,191 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57places, 54 transitions [2018-11-23 15:08:38,253 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2386 states. [2018-11-23 15:08:38,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states. [2018-11-23 15:08:38,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 15:08:38,267 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:08:38,268 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:08:38,270 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:08:38,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:08:38,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1011204503, now seen corresponding path program 1 times [2018-11-23 15:08:38,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:08:38,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:08:38,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:08:38,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:08:38,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:08:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:08:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:08:38,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:08:38,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 15:08:38,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 15:08:38,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 15:08:38,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 15:08:38,467 INFO L87 Difference]: Start difference. First operand 2386 states. Second operand 4 states. [2018-11-23 15:08:38,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:08:38,547 INFO L93 Difference]: Finished difference Result 2494 states and 8070 transitions. [2018-11-23 15:08:38,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 15:08:38,548 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2018-11-23 15:08:38,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:08:38,566 INFO L225 Difference]: With dead ends: 2494 [2018-11-23 15:08:38,566 INFO L226 Difference]: Without dead ends: 1129 [2018-11-23 15:08:38,568 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:08:38,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2018-11-23 15:08:38,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2018-11-23 15:08:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2018-11-23 15:08:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 3559 transitions. [2018-11-23 15:08:38,640 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 3559 transitions. Word has length 31 [2018-11-23 15:08:38,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:08:38,640 INFO L480 AbstractCegarLoop]: Abstraction has 1129 states and 3559 transitions. [2018-11-23 15:08:38,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 15:08:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 3559 transitions. [2018-11-23 15:08:38,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 15:08:38,643 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:08:38,643 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:08:38,643 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:08:38,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:08:38,644 INFO L82 PathProgramCache]: Analyzing trace with hash -52650827, now seen corresponding path program 1 times [2018-11-23 15:08:38,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:08:38,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:08:38,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:08:38,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:08:38,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:08:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:08:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:08:38,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:08:38,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:08:38,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:08:38,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:08:38,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:08:38,731 INFO L87 Difference]: Start difference. First operand 1129 states and 3559 transitions. Second operand 5 states. [2018-11-23 15:08:38,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:08:38,826 INFO L93 Difference]: Finished difference Result 1169 states and 3553 transitions. [2018-11-23 15:08:38,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:08:38,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-23 15:08:38,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:08:38,832 INFO L225 Difference]: With dead ends: 1169 [2018-11-23 15:08:38,832 INFO L226 Difference]: Without dead ends: 1045 [2018-11-23 15:08:38,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:08:38,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2018-11-23 15:08:38,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1045. [2018-11-23 15:08:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2018-11-23 15:08:38,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 3244 transitions. [2018-11-23 15:08:38,863 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 3244 transitions. Word has length 32 [2018-11-23 15:08:38,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:08:38,864 INFO L480 AbstractCegarLoop]: Abstraction has 1045 states and 3244 transitions. [2018-11-23 15:08:38,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:08:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 3244 transitions. [2018-11-23 15:08:38,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 15:08:38,866 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:08:38,866 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:08:38,867 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:08:38,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:08:38,867 INFO L82 PathProgramCache]: Analyzing trace with hash -68156749, now seen corresponding path program 1 times [2018-11-23 15:08:38,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:08:38,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:08:38,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:08:38,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:08:38,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:08:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:08:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:08:38,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:08:38,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:08:38,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:08:38,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:08:38,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:08:38,956 INFO L87 Difference]: Start difference. First operand 1045 states and 3244 transitions. Second operand 6 states. [2018-11-23 15:08:39,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:08:39,029 INFO L93 Difference]: Finished difference Result 821 states and 2380 transitions. [2018-11-23 15:08:39,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:08:39,030 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-11-23 15:08:39,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:08:39,032 INFO L225 Difference]: With dead ends: 821 [2018-11-23 15:08:39,032 INFO L226 Difference]: Without dead ends: 709 [2018-11-23 15:08:39,032 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:08:39,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-11-23 15:08:39,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2018-11-23 15:08:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2018-11-23 15:08:39,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 2068 transitions. [2018-11-23 15:08:39,044 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 2068 transitions. Word has length 33 [2018-11-23 15:08:39,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:08:39,044 INFO L480 AbstractCegarLoop]: Abstraction has 709 states and 2068 transitions. [2018-11-23 15:08:39,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:08:39,045 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 2068 transitions. [2018-11-23 15:08:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 15:08:39,046 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:08:39,046 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:08:39,046 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:08:39,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:08:39,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1158860001, now seen corresponding path program 1 times [2018-11-23 15:08:39,047 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:08:39,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:08:39,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:08:39,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:08:39,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:08:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:08:39,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:08:39,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:08:39,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 15:08:39,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 15:08:39,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 15:08:39,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:08:39,153 INFO L87 Difference]: Start difference. First operand 709 states and 2068 transitions. Second operand 8 states. [2018-11-23 15:08:39,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:08:39,313 INFO L93 Difference]: Finished difference Result 1109 states and 3292 transitions. [2018-11-23 15:08:39,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:08:39,313 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-11-23 15:08:39,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:08:39,316 INFO L225 Difference]: With dead ends: 1109 [2018-11-23 15:08:39,316 INFO L226 Difference]: Without dead ends: 593 [2018-11-23 15:08:39,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:08:39,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-11-23 15:08:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2018-11-23 15:08:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2018-11-23 15:08:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 1756 transitions. [2018-11-23 15:08:39,332 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 1756 transitions. Word has length 34 [2018-11-23 15:08:39,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:08:39,333 INFO L480 AbstractCegarLoop]: Abstraction has 593 states and 1756 transitions. [2018-11-23 15:08:39,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 15:08:39,333 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1756 transitions. [2018-11-23 15:08:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 15:08:39,334 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:08:39,334 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:08:39,335 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:08:39,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:08:39,335 INFO L82 PathProgramCache]: Analyzing trace with hash -703513849, now seen corresponding path program 2 times [2018-11-23 15:08:39,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:08:39,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:08:39,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:08:39,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:08:39,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:08:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:08:39,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:08:39,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:08:39,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:08:39,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:08:39,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:08:39,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:08:39,410 INFO L87 Difference]: Start difference. First operand 593 states and 1756 transitions. Second operand 7 states. [2018-11-23 15:08:39,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:08:39,497 INFO L93 Difference]: Finished difference Result 977 states and 2940 transitions. [2018-11-23 15:08:39,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:08:39,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-11-23 15:08:39,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:08:39,499 INFO L225 Difference]: With dead ends: 977 [2018-11-23 15:08:39,500 INFO L226 Difference]: Without dead ends: 557 [2018-11-23 15:08:39,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-23 15:08:39,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2018-11-23 15:08:39,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2018-11-23 15:08:39,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-11-23 15:08:39,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 1672 transitions. [2018-11-23 15:08:39,512 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 1672 transitions. Word has length 34 [2018-11-23 15:08:39,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:08:39,512 INFO L480 AbstractCegarLoop]: Abstraction has 557 states and 1672 transitions. [2018-11-23 15:08:39,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:08:39,512 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1672 transitions. [2018-11-23 15:08:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 15:08:39,513 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:08:39,513 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:08:39,513 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:08:39,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:08:39,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1434143397, now seen corresponding path program 3 times [2018-11-23 15:08:39,514 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:08:39,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:08:39,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:08:39,515 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 15:08:39,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:08:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:08:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:08:39,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:08:39,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 15:08:39,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 15:08:39,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 15:08:39,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:08:39,576 INFO L87 Difference]: Start difference. First operand 557 states and 1672 transitions. Second operand 7 states. [2018-11-23 15:08:39,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:08:39,628 INFO L93 Difference]: Finished difference Result 429 states and 1256 transitions. [2018-11-23 15:08:39,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:08:39,628 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-11-23 15:08:39,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:08:39,629 INFO L225 Difference]: With dead ends: 429 [2018-11-23 15:08:39,629 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:08:39,629 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-23 15:08:39,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:08:39,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:08:39,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:08:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:08:39,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-11-23 15:08:39,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:08:39,630 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:08:39,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 15:08:39,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:08:39,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:08:39,632 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-23 15:08:39,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:08:39 BasicIcfg [2018-11-23 15:08:39,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:08:39,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:08:39,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:08:39,634 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:08:39,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:38" (3/4) ... [2018-11-23 15:08:39,637 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:08:39,641 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-11-23 15:08:39,641 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-11-23 15:08:39,642 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-11-23 15:08:39,645 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 15:08:39,645 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 15:08:39,674 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2af6dc72-a909-4d59-89af-9e5571eb8fb2/bin-2019/uautomizer/witness.graphml [2018-11-23 15:08:39,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:08:39,675 INFO L168 Benchmark]: Toolchain (without parser) took 2271.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 956.6 MB in the beginning and 856.1 MB in the end (delta: 100.4 MB). Peak memory consumption was 257.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:08:39,676 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:08:39,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:08:39,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.95 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. [2018-11-23 15:08:39,677 INFO L168 Benchmark]: Boogie Preprocessor took 21.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:08:39,677 INFO L168 Benchmark]: RCFGBuilder took 250.79 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: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:08:39,677 INFO L168 Benchmark]: TraceAbstraction took 1533.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.5 MB in the end (delta: 243.5 MB). Peak memory consumption was 243.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:08:39,678 INFO L168 Benchmark]: Witness Printer took 40.24 ms. Allocated memory is still 1.2 GB. Free memory was 859.5 MB in the beginning and 856.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:08:39,682 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 387.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.95 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. * Boogie Preprocessor took 21.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 250.79 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: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1533.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.5 MB in the end (delta: 243.5 MB). Peak memory consumption was 243.5 MB. Max. memory is 11.5 GB. * Witness Printer took 40.24 ms. Allocated memory is still 1.2 GB. Free memory was 859.5 MB in the beginning and 856.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 72 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 323 SDtfs, 489 SDslu, 847 SDs, 0 SdLazy, 112 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2386occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 17253 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...