./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 676e29c704408ba5cb62ef3917e5c4d703cda2e4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:24:00,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:24:00,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:24:00,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:24:00,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:24:00,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:24:00,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:24:00,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:24:00,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:24:00,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:24:00,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:24:00,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:24:00,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:24:00,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:24:00,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:24:00,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:24:00,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:24:00,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:24:00,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:24:00,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:24:00,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:24:00,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:24:00,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:24:00,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:24:00,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:24:00,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:24:00,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:24:00,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:24:00,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:24:00,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:24:00,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:24:00,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:24:00,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:24:00,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:24:00,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:24:00,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:24:00,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:24:00,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:24:00,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:24:00,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:24:00,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:24:00,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:24:00,747 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:24:00,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:24:00,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:24:00,748 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:24:00,749 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:24:00,749 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:24:00,749 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:24:00,749 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:24:00,749 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:24:00,749 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:24:00,750 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:24:00,750 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:24:00,750 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:24:00,750 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:24:00,750 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:24:00,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:24:00,751 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:24:00,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:24:00,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:24:00,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:24:00,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:24:00,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:24:00,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:24:00,752 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:24:00,753 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:24:00,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:24:00,753 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:24:00,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:24:00,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:24:00,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:24:00,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:24:00,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:24:00,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:24:00,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:24:00,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:24:00,754 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:24:00,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:24:00,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:24:00,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:24:00,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:24:00,755 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan 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 -> Taipan 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 -> 676e29c704408ba5cb62ef3917e5c4d703cda2e4 [2019-12-07 14:24:00,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:24:00,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:24:00,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:24:00,876 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:24:00,876 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:24:00,877 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/../../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2019-12-07 14:24:00,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/data/a7a7cf1c1/88ddf484ab7943379ad6def5fe9d4bb2/FLAGf97594aac [2019-12-07 14:24:01,332 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:24:01,332 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2019-12-07 14:24:01,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/data/a7a7cf1c1/88ddf484ab7943379ad6def5fe9d4bb2/FLAGf97594aac [2019-12-07 14:24:01,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/data/a7a7cf1c1/88ddf484ab7943379ad6def5fe9d4bb2 [2019-12-07 14:24:01,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:24:01,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:24:01,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:24:01,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:24:01,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:24:01,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:24:01" (1/1) ... [2019-12-07 14:24:01,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5395dd82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01, skipping insertion in model container [2019-12-07 14:24:01,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:24:01" (1/1) ... [2019-12-07 14:24:01,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:24:01,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:24:01,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:24:01,520 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:24:01,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:24:01,542 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:24:01,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01 WrapperNode [2019-12-07 14:24:01,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:24:01,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:24:01,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:24:01,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:24:01,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01" (1/1) ... [2019-12-07 14:24:01,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01" (1/1) ... [2019-12-07 14:24:01,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:24:01,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:24:01,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:24:01,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:24:01,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01" (1/1) ... [2019-12-07 14:24:01,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01" (1/1) ... [2019-12-07 14:24:01,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01" (1/1) ... [2019-12-07 14:24:01,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01" (1/1) ... [2019-12-07 14:24:01,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01" (1/1) ... [2019-12-07 14:24:01,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01" (1/1) ... [2019-12-07 14:24:01,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01" (1/1) ... [2019-12-07 14:24:01,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:24:01,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:24:01,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:24:01,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:24:01,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:24:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:24:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-12-07 14:24:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-12-07 14:24:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:24:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:24:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 14:24:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:24:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:24:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2019-12-07 14:24:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2019-12-07 14:24:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:24:01,756 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:24:01,756 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 14:24:01,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:24:01 BoogieIcfgContainer [2019-12-07 14:24:01,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:24:01,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:24:01,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:24:01,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:24:01,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:24:01" (1/3) ... [2019-12-07 14:24:01,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebe9d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:24:01, skipping insertion in model container [2019-12-07 14:24:01,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:24:01" (2/3) ... [2019-12-07 14:24:01,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebe9d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:24:01, skipping insertion in model container [2019-12-07 14:24:01,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:24:01" (3/3) ... [2019-12-07 14:24:01,762 INFO L109 eAbstractionObserver]: Analyzing ICFG simple-recursive.c [2019-12-07 14:24:01,768 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:24:01,772 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:24:01,779 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:24:01,793 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:24:01,793 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:24:01,793 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:24:01,793 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:24:01,793 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:24:01,793 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:24:01,793 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:24:01,793 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:24:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-12-07 14:24:01,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 14:24:01,808 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:24:01,808 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 14:24:01,808 INFO L410 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:24:01,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:24:01,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1859053861, now seen corresponding path program 1 times [2019-12-07 14:24:01,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:24:01,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484738637] [2019-12-07 14:24:01,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:24:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:24:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:24:01,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484738637] [2019-12-07 14:24:01,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:24:01,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:24:01,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034456203] [2019-12-07 14:24:01,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:24:01,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 14:24:01,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:24:01,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:24:01,956 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 5 states. [2019-12-07 14:24:02,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:24:02,010 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2019-12-07 14:24:02,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:24:02,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-12-07 14:24:02,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:24:02,017 INFO L225 Difference]: With dead ends: 28 [2019-12-07 14:24:02,017 INFO L226 Difference]: Without dead ends: 13 [2019-12-07 14:24:02,019 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:24:02,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-07 14:24:02,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-12-07 14:24:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 14:24:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-12-07 14:24:02,041 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 6 [2019-12-07 14:24:02,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:24:02,041 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-12-07 14:24:02,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:24:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-12-07 14:24:02,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:24:02,042 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:24:02,042 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:24:02,042 INFO L410 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:24:02,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:24:02,042 INFO L82 PathProgramCache]: Analyzing trace with hash -602700150, now seen corresponding path program 1 times [2019-12-07 14:24:02,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:24:02,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673177030] [2019-12-07 14:24:02,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:24:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:24:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:24:02,117 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673177030] [2019-12-07 14:24:02,117 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206325361] [2019-12-07 14:24:02,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:24:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:24:02,155 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 36 conjunts are in the unsatisfiable core [2019-12-07 14:24:02,161 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:24:02,193 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 14:24:02,193 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 14:24:02,196 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:24:02,196 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 14:24:02,196 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-12-07 14:24:02,208 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2019-12-07 14:24:02,209 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 14:24:02,210 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:24:02,210 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 14:24:02,211 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:7 [2019-12-07 14:24:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:24:02,250 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:24:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:24:02,354 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2069219302] [2019-12-07 14:24:02,375 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2019-12-07 14:24:02,375 INFO L166 IcfgInterpreter]: Building call graph [2019-12-07 14:24:02,381 FATAL L? ?]: Ignoring exception! java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 14:24:02,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-12-07 14:24:02,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2019-12-07 14:24:02,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50151340] [2019-12-07 14:24:02,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-12-07 14:24:02,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 14:24:02,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-12-07 14:24:02,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-12-07 14:24:02,385 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 19 states. [2019-12-07 14:24:02,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:24:02,510 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2019-12-07 14:24:02,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 14:24:02,510 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 11 [2019-12-07 14:24:02,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:24:02,511 INFO L225 Difference]: With dead ends: 26 [2019-12-07 14:24:02,511 INFO L226 Difference]: Without dead ends: 23 [2019-12-07 14:24:02,512 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2019-12-07 14:24:02,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-12-07 14:24:02,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-12-07 14:24:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 14:24:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2019-12-07 14:24:02,515 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 11 [2019-12-07 14:24:02,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:24:02,516 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2019-12-07 14:24:02,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-12-07 14:24:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2019-12-07 14:24:02,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 14:24:02,516 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:24:02,516 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2019-12-07 14:24:02,717 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:24:02,718 INFO L410 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:24:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:24:02,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1453417322, now seen corresponding path program 2 times [2019-12-07 14:24:02,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:24:02,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129800305] [2019-12-07 14:24:02,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:24:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:24:02,903 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:24:02,903 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129800305] [2019-12-07 14:24:02,903 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103891179] [2019-12-07 14:24:02,903 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:24:02,933 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-12-07 14:24:02,934 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 14:24:02,935 INFO L264 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 32 conjunts are in the unsatisfiable core [2019-12-07 14:24:02,937 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:24:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 14:24:03,067 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:24:03,149 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 14:24:03,149 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [898360233] [2019-12-07 14:24:03,150 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2019-12-07 14:24:03,150 INFO L166 IcfgInterpreter]: Building call graph [2019-12-07 14:24:03,151 FATAL L? ?]: Ignoring exception! java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 14:24:03,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-12-07 14:24:03,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9, 9] total 26 [2019-12-07 14:24:03,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848959933] [2019-12-07 14:24:03,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-12-07 14:24:03,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 14:24:03,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-12-07 14:24:03,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2019-12-07 14:24:03,153 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 26 states. [2019-12-07 14:24:03,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:24:03,487 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-12-07 14:24:03,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-12-07 14:24:03,487 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 21 [2019-12-07 14:24:03,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:24:03,487 INFO L225 Difference]: With dead ends: 29 [2019-12-07 14:24:03,488 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:24:03,489 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=247, Invalid=1313, Unknown=0, NotChecked=0, Total=1560 [2019-12-07 14:24:03,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:24:03,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:24:03,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:24:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:24:03,489 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-12-07 14:24:03,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:24:03,490 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:24:03,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-12-07 14:24:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:24:03,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:24:03,690 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:24:03,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:24:03,907 INFO L246 CegarLoopResult]: For program point fooEXIT(lines 9 18) no Hoare annotation was computed. [2019-12-07 14:24:03,907 INFO L242 CegarLoopResult]: At program point fooENTRY(lines 9 18) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse1 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (or (<= .cse0 12) (not (<= .cse1 12))) (or (<= .cse0 13) (not (<= .cse1 13))) (or (= .cse0 10) (not (= 10 .cse1))) (or (= .cse0 11) (not (= 11 .cse1))) (or (<= .cse0 20) (not (<= .cse1 20))))) [2019-12-07 14:24:03,907 INFO L246 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2019-12-07 14:24:03,907 INFO L246 CegarLoopResult]: For program point fooErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2019-12-07 14:24:03,907 INFO L246 CegarLoopResult]: For program point L12(lines 12 17) no Hoare annotation was computed. [2019-12-07 14:24:03,908 INFO L242 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| foo_~p.base) foo_~p.offset)) (.cse0 (select (select |#memory_int| |foo_#in~p.base|) |foo_#in~p.offset|)) (.cse2 (select (select |old(#memory_int)| |foo_#in~p.base|) |foo_#in~p.offset|))) (and (or (and (= .cse0 11) (<= .cse1 11)) (not (= 11 .cse2))) (or (and (<= .cse1 12) (<= .cse0 12)) (not (<= .cse2 12))) (or (<= .cse0 13) (not (<= .cse2 13))) (or (and (<= .cse0 20) (<= .cse1 19)) (not (<= .cse2 20))) (or (and (= 10 .cse1) (= .cse0 10)) (not (= 10 .cse2))))) [2019-12-07 14:24:03,908 INFO L246 CegarLoopResult]: For program point L10(lines 10 17) no Hoare annotation was computed. [2019-12-07 14:24:03,908 INFO L246 CegarLoopResult]: For program point L10-1(lines 9 18) no Hoare annotation was computed. [2019-12-07 14:24:03,908 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:24:03,908 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:24:03,908 INFO L242 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (= (select (select |#memory_int| ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset) 10) [2019-12-07 14:24:03,908 INFO L246 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2019-12-07 14:24:03,909 INFO L246 CegarLoopResult]: For program point plusFINAL(lines 4 7) no Hoare annotation was computed. [2019-12-07 14:24:03,909 INFO L242 CegarLoopResult]: At program point plusENTRY(lines 4 7) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse0 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|))) (and (or (<= .cse0 19) (not (<= .cse1 19))) (or (<= .cse0 12) (not (<= .cse1 12))) (or (<= .cse0 11) (not (<= .cse1 11))) (or (not (= .cse1 10)) (= 10 .cse0)))) [2019-12-07 14:24:03,909 INFO L246 CegarLoopResult]: For program point plusEXIT(lines 4 7) no Hoare annotation was computed. [2019-12-07 14:24:03,909 INFO L242 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_int)| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse1 (select (select |#memory_int| |plus_#in~p.base|) |plus_#in~p.offset|)) (.cse2 (select (select |#memory_int| plus_~p.base) plus_~p.offset))) (and (or (not (= .cse0 10)) (and (<= .cse1 11) (= .cse2 11))) (or (not (<= .cse0 12)) (and (<= .cse2 13) (<= .cse1 19))) (or (<= .cse2 20) (not (<= .cse0 19))) (or (not (<= .cse0 11)) (and (<= .cse1 12) (<= .cse2 12))))) [2019-12-07 14:24:03,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:24:03 BoogieIcfgContainer [2019-12-07 14:24:03,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:24:03,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:24:03,913 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:24:03,913 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:24:03,913 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:24:01" (3/4) ... [2019-12-07 14:24:03,916 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:24:03,919 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2019-12-07 14:24:03,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure plus [2019-12-07 14:24:03,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-12-07 14:24:03,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 14:24:03,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:24:03,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:24:03,954 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2404ea2e-4045-4485-bece-7deebff06056/bin/utaipan/witness.graphml [2019-12-07 14:24:03,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:24:03,955 INFO L168 Benchmark]: Toolchain (without parser) took 2607.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 944.6 MB in the beginning and 1.0 GB in the end (delta: -77.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:03,955 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:24:03,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:03,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.25 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:03,957 INFO L168 Benchmark]: Boogie Preprocessor took 14.45 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:03,957 INFO L168 Benchmark]: RCFGBuilder took 177.12 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:03,957 INFO L168 Benchmark]: TraceAbstraction took 2155.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:03,958 INFO L168 Benchmark]: Witness Printer took 41.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:24:03,960 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.25 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.45 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 177.12 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2155.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. * Witness Printer took 41.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: 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 3 procedures, 16 locations, 1 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 4, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 28 SDtfs, 13 SDslu, 65 SDs, 0 SdLazy, 240 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 21 PreInvPairs, 21 NumberOfFragments, 355 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 115 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 70 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 7275 SizeOfPredicates, 27 NumberOfNonLiveVariables, 174 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 40/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...