./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/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 d03876ec7c81cef1206e9d3a88b822f346950633 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:10:54,919 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:10:54,920 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:10:54,926 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:10:54,926 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:10:54,927 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:10:54,927 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:10:54,928 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:10:54,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:10:54,929 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:10:54,930 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:10:54,930 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:10:54,930 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:10:54,931 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:10:54,931 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:10:54,932 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:10:54,932 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:10:54,933 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:10:54,934 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:10:54,934 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:10:54,935 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:10:54,935 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:10:54,936 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:10:54,937 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:10:54,937 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:10:54,937 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:10:54,937 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:10:54,938 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:10:54,938 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:10:54,939 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:10:54,939 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:10:54,939 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:10:54,939 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:10:54,939 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:10:54,940 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:10:54,940 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:10:54,940 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 10:10:54,947 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:10:54,947 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:10:54,948 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:10:54,948 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:10:54,948 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:10:54,948 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:10:54,948 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 10:10:54,948 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:10:54,948 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:10:54,948 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:10:54,948 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:10:54,949 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:10:54,949 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:10:54,949 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:10:54,949 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:10:54,949 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:10:54,949 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:10:54,949 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:10:54,949 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:10:54,949 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:10:54,949 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:10:54,949 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:10:54,949 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:10:54,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:10:54,950 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:10:54,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:10:54,950 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:10:54,950 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 10:10:54,950 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:10:54,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:10:54,950 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_47943a3c-7e52-4261-9792-49cf77acdba1/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 -> d03876ec7c81cef1206e9d3a88b822f346950633 [2018-12-09 10:10:54,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:10:54,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:10:54,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:10:54,975 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:10:54,975 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:10:54,976 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe030_tso.oepc_true-unreach-call.i [2018-12-09 10:10:55,009 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/bin-2019/uautomizer/data/183fc7eea/ba6b5ff8fc4947cd8644c362ee131e3f/FLAGfe5523799 [2018-12-09 10:10:55,444 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:10:55,444 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/sv-benchmarks/c/pthread-wmm/safe030_tso.oepc_true-unreach-call.i [2018-12-09 10:10:55,451 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/bin-2019/uautomizer/data/183fc7eea/ba6b5ff8fc4947cd8644c362ee131e3f/FLAGfe5523799 [2018-12-09 10:10:55,459 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/bin-2019/uautomizer/data/183fc7eea/ba6b5ff8fc4947cd8644c362ee131e3f [2018-12-09 10:10:55,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:10:55,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:10:55,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:10:55,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:10:55,465 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:10:55,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:10:55" (1/1) ... [2018-12-09 10:10:55,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198b87e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55, skipping insertion in model container [2018-12-09 10:10:55,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:10:55" (1/1) ... [2018-12-09 10:10:55,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:10:55,496 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:10:55,679 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:10:55,689 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:10:55,756 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:10:55,791 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:10:55,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55 WrapperNode [2018-12-09 10:10:55,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:10:55,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:10:55,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:10:55,792 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:10:55,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55" (1/1) ... [2018-12-09 10:10:55,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55" (1/1) ... [2018-12-09 10:10:55,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:10:55,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:10:55,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:10:55,819 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:10:55,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55" (1/1) ... [2018-12-09 10:10:55,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55" (1/1) ... [2018-12-09 10:10:55,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55" (1/1) ... [2018-12-09 10:10:55,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55" (1/1) ... [2018-12-09 10:10:55,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55" (1/1) ... [2018-12-09 10:10:55,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55" (1/1) ... [2018-12-09 10:10:55,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55" (1/1) ... [2018-12-09 10:10:55,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:10:55,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:10:55,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:10:55,835 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:10:55,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/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 [2018-12-09 10:10:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:10:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 10:10:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 10:10:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 10:10:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-09 10:10:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-09 10:10:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-09 10:10:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-09 10:10:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-12-09 10:10:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-12-09 10:10:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 10:10:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:10:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:10:55,870 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 10:10:56,022 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:10:56,022 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 10:10:56,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:10:56 BoogieIcfgContainer [2018-12-09 10:10:56,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:10:56,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:10:56,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:10:56,025 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:10:56,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:10:55" (1/3) ... [2018-12-09 10:10:56,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6892e389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:10:56, skipping insertion in model container [2018-12-09 10:10:56,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:10:55" (2/3) ... [2018-12-09 10:10:56,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6892e389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:10:56, skipping insertion in model container [2018-12-09 10:10:56,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:10:56" (3/3) ... [2018-12-09 10:10:56,027 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_tso.oepc_true-unreach-call.i [2018-12-09 10:10:56,048 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,048 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,048 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,048 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,049 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,049 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,049 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,049 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,049 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,049 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,049 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,050 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,050 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,050 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,050 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,050 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,050 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,050 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,051 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,051 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,051 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,051 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,051 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,052 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:10:56,058 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 10:10:56,058 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:10:56,065 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:10:56,074 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:10:56,089 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:10:56,089 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:10:56,090 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:10:56,090 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:10:56,090 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:10:56,090 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:10:56,090 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:10:56,090 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:10:56,090 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:10:56,096 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54places, 51 transitions [2018-12-09 10:10:56,150 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2383 states. [2018-12-09 10:10:56,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states. [2018-12-09 10:10:56,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 10:10:56,161 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:10:56,161 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] [2018-12-09 10:10:56,163 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:10:56,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:10:56,167 INFO L82 PathProgramCache]: Analyzing trace with hash 244532871, now seen corresponding path program 1 times [2018-12-09 10:10:56,168 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:10:56,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:10:56,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:10:56,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:10:56,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:10:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:10:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:10:56,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:10:56,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 10:10:56,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 10:10:56,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 10:10:56,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:10:56,327 INFO L87 Difference]: Start difference. First operand 2383 states. Second operand 4 states. [2018-12-09 10:10:56,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:10:56,401 INFO L93 Difference]: Finished difference Result 2491 states and 8067 transitions. [2018-12-09 10:10:56,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 10:10:56,402 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-12-09 10:10:56,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:10:56,420 INFO L225 Difference]: With dead ends: 2491 [2018-12-09 10:10:56,420 INFO L226 Difference]: Without dead ends: 1126 [2018-12-09 10:10:56,421 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 [2018-12-09 10:10:56,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2018-12-09 10:10:56,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1126. [2018-12-09 10:10:56,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2018-12-09 10:10:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 3556 transitions. [2018-12-09 10:10:56,498 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 3556 transitions. Word has length 28 [2018-12-09 10:10:56,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:10:56,499 INFO L480 AbstractCegarLoop]: Abstraction has 1126 states and 3556 transitions. [2018-12-09 10:10:56,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 10:10:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 3556 transitions. [2018-12-09 10:10:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 10:10:56,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:10:56,502 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] [2018-12-09 10:10:56,502 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:10:56,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:10:56,502 INFO L82 PathProgramCache]: Analyzing trace with hash 968273041, now seen corresponding path program 1 times [2018-12-09 10:10:56,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:10:56,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:10:56,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:10:56,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:10:56,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:10:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:10:56,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:10:56,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:10:56,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 10:10:56,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:10:56,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:10:56,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:10:56,573 INFO L87 Difference]: Start difference. First operand 1126 states and 3556 transitions. Second operand 5 states. [2018-12-09 10:10:56,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:10:56,610 INFO L93 Difference]: Finished difference Result 1166 states and 3550 transitions. [2018-12-09 10:10:56,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:10:56,610 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-12-09 10:10:56,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:10:56,615 INFO L225 Difference]: With dead ends: 1166 [2018-12-09 10:10:56,616 INFO L226 Difference]: Without dead ends: 1042 [2018-12-09 10:10:56,616 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 [2018-12-09 10:10:56,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2018-12-09 10:10:56,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1042. [2018-12-09 10:10:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2018-12-09 10:10:56,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 3241 transitions. [2018-12-09 10:10:56,647 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 3241 transitions. Word has length 29 [2018-12-09 10:10:56,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:10:56,647 INFO L480 AbstractCegarLoop]: Abstraction has 1042 states and 3241 transitions. [2018-12-09 10:10:56,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:10:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 3241 transitions. [2018-12-09 10:10:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 10:10:56,650 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:10:56,650 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] [2018-12-09 10:10:56,650 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:10:56,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:10:56,650 INFO L82 PathProgramCache]: Analyzing trace with hash -747764909, now seen corresponding path program 1 times [2018-12-09 10:10:56,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:10:56,651 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:10:56,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:10:56,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:10:56,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:10:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:10:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:10:56,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:10:56,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:10:56,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:10:56,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:10:56,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:10:56,726 INFO L87 Difference]: Start difference. First operand 1042 states and 3241 transitions. Second operand 6 states. [2018-12-09 10:10:56,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:10:56,787 INFO L93 Difference]: Finished difference Result 818 states and 2377 transitions. [2018-12-09 10:10:56,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:10:56,788 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-12-09 10:10:56,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:10:56,790 INFO L225 Difference]: With dead ends: 818 [2018-12-09 10:10:56,790 INFO L226 Difference]: Without dead ends: 706 [2018-12-09 10:10:56,790 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 [2018-12-09 10:10:56,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2018-12-09 10:10:56,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2018-12-09 10:10:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2018-12-09 10:10:56,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 2065 transitions. [2018-12-09 10:10:56,802 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 2065 transitions. Word has length 30 [2018-12-09 10:10:56,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:10:56,802 INFO L480 AbstractCegarLoop]: Abstraction has 706 states and 2065 transitions. [2018-12-09 10:10:56,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:10:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2065 transitions. [2018-12-09 10:10:56,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 10:10:56,803 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:10:56,803 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] [2018-12-09 10:10:56,803 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:10:56,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:10:56,804 INFO L82 PathProgramCache]: Analyzing trace with hash 832052697, now seen corresponding path program 1 times [2018-12-09 10:10:56,804 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:10:56,804 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:10:56,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:10:56,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:10:56,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:10:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:10:56,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:10:56,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:10:56,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:10:56,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:10:56,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:10:56,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:10:56,855 INFO L87 Difference]: Start difference. First operand 706 states and 2065 transitions. Second operand 6 states. [2018-12-09 10:10:56,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:10:56,897 INFO L93 Difference]: Finished difference Result 1170 states and 3449 transitions. [2018-12-09 10:10:56,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:10:56,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-12-09 10:10:56,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:10:56,899 INFO L225 Difference]: With dead ends: 1170 [2018-12-09 10:10:56,899 INFO L226 Difference]: Without dead ends: 670 [2018-12-09 10:10:56,899 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:10:56,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2018-12-09 10:10:56,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2018-12-09 10:10:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2018-12-09 10:10:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1961 transitions. [2018-12-09 10:10:56,910 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1961 transitions. Word has length 31 [2018-12-09 10:10:56,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:10:56,910 INFO L480 AbstractCegarLoop]: Abstraction has 670 states and 1961 transitions. [2018-12-09 10:10:56,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:10:56,910 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1961 transitions. [2018-12-09 10:10:56,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 10:10:56,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:10:56,911 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] [2018-12-09 10:10:56,911 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:10:56,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:10:56,912 INFO L82 PathProgramCache]: Analyzing trace with hash 735486425, now seen corresponding path program 2 times [2018-12-09 10:10:56,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:10:56,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:10:56,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:10:56,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:10:56,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:10:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:10:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:10:56,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:10:56,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:10:56,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:10:56,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:10:56,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:10:56,966 INFO L87 Difference]: Start difference. First operand 670 states and 1961 transitions. Second operand 7 states. [2018-12-09 10:10:57,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:10:57,075 INFO L93 Difference]: Finished difference Result 1054 states and 3145 transitions. [2018-12-09 10:10:57,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:10:57,075 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-09 10:10:57,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:10:57,077 INFO L225 Difference]: With dead ends: 1054 [2018-12-09 10:10:57,077 INFO L226 Difference]: Without dead ends: 650 [2018-12-09 10:10:57,077 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:10:57,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2018-12-09 10:10:57,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2018-12-09 10:10:57,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2018-12-09 10:10:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1909 transitions. [2018-12-09 10:10:57,087 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1909 transitions. Word has length 31 [2018-12-09 10:10:57,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:10:57,087 INFO L480 AbstractCegarLoop]: Abstraction has 650 states and 1909 transitions. [2018-12-09 10:10:57,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:10:57,087 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1909 transitions. [2018-12-09 10:10:57,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 10:10:57,088 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:10:57,088 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] [2018-12-09 10:10:57,088 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:10:57,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:10:57,089 INFO L82 PathProgramCache]: Analyzing trace with hash 2049017953, now seen corresponding path program 3 times [2018-12-09 10:10:57,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:10:57,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:10:57,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:10:57,090 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 10:10:57,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:10:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:10:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:10:57,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:10:57,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:10:57,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:10:57,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:10:57,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:10:57,152 INFO L87 Difference]: Start difference. First operand 650 states and 1909 transitions. Second operand 7 states. [2018-12-09 10:10:57,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:10:57,257 INFO L93 Difference]: Finished difference Result 522 states and 1493 transitions. [2018-12-09 10:10:57,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:10:57,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-09 10:10:57,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:10:57,258 INFO L225 Difference]: With dead ends: 522 [2018-12-09 10:10:57,258 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:10:57,258 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:10:57,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:10:57,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:10:57,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:10:57,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:10:57,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-12-09 10:10:57,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:10:57,259 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:10:57,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:10:57,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:10:57,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:10:57,261 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-09 10:10:57,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:10:57 BasicIcfg [2018-12-09 10:10:57,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:10:57,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:10:57,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:10:57,262 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:10:57,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:10:56" (3/4) ... [2018-12-09 10:10:57,264 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:10:57,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-12-09 10:10:57,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-12-09 10:10:57,269 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-12-09 10:10:57,272 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 10:10:57,272 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 10:10:57,295 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_47943a3c-7e52-4261-9792-49cf77acdba1/bin-2019/uautomizer/witness.graphml [2018-12-09 10:10:57,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:10:57,295 INFO L168 Benchmark]: Toolchain (without parser) took 1834.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -109.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:10:57,296 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:10:57,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:10:57,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:10:57,297 INFO L168 Benchmark]: Boogie Preprocessor took 15.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:10:57,297 INFO L168 Benchmark]: RCFGBuilder took 188.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:10:57,297 INFO L168 Benchmark]: TraceAbstraction took 1238.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:10:57,298 INFO L168 Benchmark]: Witness Printer took 33.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:10:57,299 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -135.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 188.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1238.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 33.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 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, 69 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 359 SDtfs, 400 SDslu, 937 SDs, 0 SdLazy, 97 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2383occurred 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, 0.3s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 11766 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...