./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/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 fbfe8dec550fadf4da01fadd46005a09263b3b04 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:41,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:41,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:41,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:41,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:41,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:41,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:41,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:41,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:41,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:41,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:41,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:41,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:41,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:41,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:41,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:41,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:41,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:41,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:41,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:41,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:41,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:41,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:41,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:41,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:41,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:41,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:41,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:41,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:41,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:41,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:41,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:41,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:41,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:41,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:41,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:41,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:41,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:41,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:41,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:41,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:41,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:41,955 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:41,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:41,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:41,956 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:41,956 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:41,956 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:41,957 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:41,957 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:41,957 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:41,957 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:41,957 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:41,957 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:41,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:41,958 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:41,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:41,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:41,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:41,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:41,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:41,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:41,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:41,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:41,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:41,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:41,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:41,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:41,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:41,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:41,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:41,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:41,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:41,962 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:41,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:41,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:41,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:41,962 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/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/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 -> fbfe8dec550fadf4da01fadd46005a09263b3b04 [2019-10-22 11:22:41,987 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:41,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:42,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:42,004 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:42,004 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:42,005 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-10-22 11:22:42,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/bin/utaipan/data/48f77761b/659bca7308be41de8fcacbbfc93427fc/FLAG731554463 [2019-10-22 11:22:42,536 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:42,536 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-10-22 11:22:42,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/bin/utaipan/data/48f77761b/659bca7308be41de8fcacbbfc93427fc/FLAG731554463 [2019-10-22 11:22:42,833 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/bin/utaipan/data/48f77761b/659bca7308be41de8fcacbbfc93427fc [2019-10-22 11:22:42,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:42,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:42,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:42,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:42,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:42,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:42" (1/1) ... [2019-10-22 11:22:42,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d45d96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:42, skipping insertion in model container [2019-10-22 11:22:42,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:42" (1/1) ... [2019-10-22 11:22:42,849 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:42,897 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:43,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:43,296 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:43,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:43,400 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:43,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43 WrapperNode [2019-10-22 11:22:43,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:43,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:43,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:43,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:43,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:43,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:43,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:43,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:43,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:43,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:43,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:43,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:43,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/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 [2019-10-22 11:22:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:43,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:44,503 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:44,503 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:22:44,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:44 BoogieIcfgContainer [2019-10-22 11:22:44,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:44,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:44,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:44,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:44,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:42" (1/3) ... [2019-10-22 11:22:44,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b75205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:44, skipping insertion in model container [2019-10-22 11:22:44,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (2/3) ... [2019-10-22 11:22:44,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b75205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:44, skipping insertion in model container [2019-10-22 11:22:44,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:44" (3/3) ... [2019-10-22 11:22:44,512 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label04.c [2019-10-22 11:22:44,521 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:44,528 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:22:44,538 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:22:44,565 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:44,565 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:44,565 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:44,565 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:44,565 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:44,565 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:44,565 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:44,566 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 11:22:44,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-22 11:22:44,592 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:44,593 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:44,594 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:44,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:44,600 INFO L82 PathProgramCache]: Analyzing trace with hash 585738029, now seen corresponding path program 1 times [2019-10-22 11:22:44,608 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:44,608 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116914840] [2019-10-22 11:22:44,609 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:44,609 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:44,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:45,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:45,037 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116914840] [2019-10-22 11:22:45,038 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:45,038 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:45,038 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535617022] [2019-10-22 11:22:45,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:45,046 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:45,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:45,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:45,062 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-10-22 11:22:46,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:46,309 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-10-22 11:22:46,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:46,311 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2019-10-22 11:22:46,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:46,331 INFO L225 Difference]: With dead ends: 739 [2019-10-22 11:22:46,331 INFO L226 Difference]: Without dead ends: 445 [2019-10-22 11:22:46,336 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:46,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-22 11:22:46,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-10-22 11:22:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-10-22 11:22:46,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-10-22 11:22:46,406 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 106 [2019-10-22 11:22:46,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:46,408 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-10-22 11:22:46,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-10-22 11:22:46,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-22 11:22:46,412 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:46,413 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:46,414 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:46,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:46,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1744926738, now seen corresponding path program 1 times [2019-10-22 11:22:46,415 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:46,415 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357168084] [2019-10-22 11:22:46,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:46,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:46,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:46,501 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357168084] [2019-10-22 11:22:46,501 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:46,501 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:46,501 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712350445] [2019-10-22 11:22:46,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:46,504 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:46,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:46,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:46,504 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-10-22 11:22:47,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:47,187 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-10-22 11:22:47,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:47,187 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2019-10-22 11:22:47,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:47,190 INFO L225 Difference]: With dead ends: 1470 [2019-10-22 11:22:47,190 INFO L226 Difference]: Without dead ends: 1027 [2019-10-22 11:22:47,192 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:47,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-10-22 11:22:47,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-10-22 11:22:47,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-10-22 11:22:47,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-10-22 11:22:47,228 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 124 [2019-10-22 11:22:47,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:47,229 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-10-22 11:22:47,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:47,229 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-10-22 11:22:47,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-22 11:22:47,233 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:47,233 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:47,233 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:47,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:47,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1686692647, now seen corresponding path program 1 times [2019-10-22 11:22:47,234 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:47,234 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220968227] [2019-10-22 11:22:47,235 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:47,235 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:47,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:47,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220968227] [2019-10-22 11:22:47,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:47,293 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:47,293 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137486220] [2019-10-22 11:22:47,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:47,293 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:47,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:47,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:47,294 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-10-22 11:22:48,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:48,097 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-10-22 11:22:48,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:48,098 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2019-10-22 11:22:48,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:48,144 INFO L225 Difference]: With dead ends: 2582 [2019-10-22 11:22:48,144 INFO L226 Difference]: Without dead ends: 1855 [2019-10-22 11:22:48,146 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:48,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-10-22 11:22:48,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-10-22 11:22:48,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-10-22 11:22:48,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2142 transitions. [2019-10-22 11:22:48,211 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2142 transitions. Word has length 128 [2019-10-22 11:22:48,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:48,211 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2142 transitions. [2019-10-22 11:22:48,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2142 transitions. [2019-10-22 11:22:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-22 11:22:48,219 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:48,219 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:48,220 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:48,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:48,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1700654884, now seen corresponding path program 1 times [2019-10-22 11:22:48,220 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:48,220 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633161398] [2019-10-22 11:22:48,221 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:48,221 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:48,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:48,308 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:48,309 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633161398] [2019-10-22 11:22:48,309 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:48,309 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:48,309 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119656383] [2019-10-22 11:22:48,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:48,311 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:48,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:48,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:48,311 INFO L87 Difference]: Start difference. First operand 1570 states and 2142 transitions. Second operand 3 states. [2019-10-22 11:22:48,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:48,827 INFO L93 Difference]: Finished difference Result 3840 states and 5195 transitions. [2019-10-22 11:22:48,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:48,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-10-22 11:22:48,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:48,835 INFO L225 Difference]: With dead ends: 3840 [2019-10-22 11:22:48,835 INFO L226 Difference]: Without dead ends: 2272 [2019-10-22 11:22:48,837 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:48,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-10-22 11:22:48,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-10-22 11:22:48,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-10-22 11:22:48,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2839 transitions. [2019-10-22 11:22:48,898 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2839 transitions. Word has length 128 [2019-10-22 11:22:48,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:48,898 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2839 transitions. [2019-10-22 11:22:48,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:48,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2839 transitions. [2019-10-22 11:22:48,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-22 11:22:48,905 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:48,905 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:48,906 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:48,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:48,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1927886609, now seen corresponding path program 1 times [2019-10-22 11:22:48,906 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:48,906 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385001503] [2019-10-22 11:22:48,907 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:48,907 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:48,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:49,076 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 11:22:49,076 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385001503] [2019-10-22 11:22:49,077 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:49,077 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:49,077 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331031333] [2019-10-22 11:22:49,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:49,078 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:49,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:49,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:49,079 INFO L87 Difference]: Start difference. First operand 2272 states and 2839 transitions. Second operand 4 states. [2019-10-22 11:22:49,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:49,669 INFO L93 Difference]: Finished difference Result 4542 states and 5676 transitions. [2019-10-22 11:22:49,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:49,669 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2019-10-22 11:22:49,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:49,677 INFO L225 Difference]: With dead ends: 4542 [2019-10-22 11:22:49,678 INFO L226 Difference]: Without dead ends: 2272 [2019-10-22 11:22:49,680 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:49,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-10-22 11:22:49,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 1852. [2019-10-22 11:22:49,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1852 states. [2019-10-22 11:22:49,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 2236 transitions. [2019-10-22 11:22:49,724 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 2236 transitions. Word has length 133 [2019-10-22 11:22:49,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:49,725 INFO L462 AbstractCegarLoop]: Abstraction has 1852 states and 2236 transitions. [2019-10-22 11:22:49,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:49,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2236 transitions. [2019-10-22 11:22:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-22 11:22:49,728 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:49,729 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:49,729 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:49,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:49,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1580571441, now seen corresponding path program 1 times [2019-10-22 11:22:49,730 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:49,730 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423012489] [2019-10-22 11:22:49,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:49,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:49,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:49,786 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:49,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423012489] [2019-10-22 11:22:49,787 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:49,787 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:49,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776771130] [2019-10-22 11:22:49,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:49,788 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:49,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:49,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:49,788 INFO L87 Difference]: Start difference. First operand 1852 states and 2236 transitions. Second operand 3 states. [2019-10-22 11:22:50,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:50,220 INFO L93 Difference]: Finished difference Result 3987 states and 4778 transitions. [2019-10-22 11:22:50,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:50,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-22 11:22:50,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:50,231 INFO L225 Difference]: With dead ends: 3987 [2019-10-22 11:22:50,232 INFO L226 Difference]: Without dead ends: 2137 [2019-10-22 11:22:50,234 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:50,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2019-10-22 11:22:50,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 1992. [2019-10-22 11:22:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1992 states. [2019-10-22 11:22:50,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2277 transitions. [2019-10-22 11:22:50,276 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2277 transitions. Word has length 146 [2019-10-22 11:22:50,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:50,277 INFO L462 AbstractCegarLoop]: Abstraction has 1992 states and 2277 transitions. [2019-10-22 11:22:50,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:50,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2277 transitions. [2019-10-22 11:22:50,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-22 11:22:50,286 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:50,286 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:50,286 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:50,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:50,287 INFO L82 PathProgramCache]: Analyzing trace with hash 97640742, now seen corresponding path program 1 times [2019-10-22 11:22:50,290 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:50,290 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538305895] [2019-10-22 11:22:50,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:50,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:50,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 11:22:50,445 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538305895] [2019-10-22 11:22:50,445 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:50,445 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:50,445 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6243721] [2019-10-22 11:22:50,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:50,446 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:50,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:50,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:50,446 INFO L87 Difference]: Start difference. First operand 1992 states and 2277 transitions. Second operand 3 states. [2019-10-22 11:22:50,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:50,833 INFO L93 Difference]: Finished difference Result 4678 states and 5318 transitions. [2019-10-22 11:22:50,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:50,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-10-22 11:22:50,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:50,839 INFO L225 Difference]: With dead ends: 4678 [2019-10-22 11:22:50,839 INFO L226 Difference]: Without dead ends: 1843 [2019-10-22 11:22:50,842 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:50,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2019-10-22 11:22:50,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1703. [2019-10-22 11:22:50,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-10-22 11:22:50,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1868 transitions. [2019-10-22 11:22:50,872 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1868 transitions. Word has length 199 [2019-10-22 11:22:50,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:50,872 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1868 transitions. [2019-10-22 11:22:50,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1868 transitions. [2019-10-22 11:22:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-22 11:22:50,876 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:50,876 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:50,877 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:50,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:50,877 INFO L82 PathProgramCache]: Analyzing trace with hash -567770269, now seen corresponding path program 1 times [2019-10-22 11:22:50,877 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:50,877 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176271375] [2019-10-22 11:22:50,877 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:50,877 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:50,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:51,016 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-22 11:22:51,016 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176271375] [2019-10-22 11:22:51,016 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125704379] [2019-10-22 11:22:51,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/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 [2019-10-22 11:22:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:51,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:22:51,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-22 11:22:51,168 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-22 11:22:51,225 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:22:51,226 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2019-10-22 11:22:51,226 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350429002] [2019-10-22 11:22:51,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:51,227 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:51,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:51,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:22:51,228 INFO L87 Difference]: Start difference. First operand 1703 states and 1868 transitions. Second operand 3 states. [2019-10-22 11:22:51,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:51,596 INFO L93 Difference]: Finished difference Result 3818 states and 4179 transitions. [2019-10-22 11:22:51,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:51,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-10-22 11:22:51,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:51,597 INFO L225 Difference]: With dead ends: 3818 [2019-10-22 11:22:51,597 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:22:51,599 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 423 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:22:51,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:22:51,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:22:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:22:51,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:22:51,600 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2019-10-22 11:22:51,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:51,600 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:22:51,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:51,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:22:51,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:22:51,802 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:51,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:22:52,077 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-10-22 11:22:52,217 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-10-22 11:22:52,218 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,218 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-22 11:22:52,219 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-22 11:22:52,220 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-22 11:22:52,220 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-22 11:22:52,220 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,220 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,220 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,220 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-22 11:22:52,220 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-22 11:22:52,220 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-22 11:22:52,220 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-22 11:22:52,220 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-22 11:22:52,221 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,221 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,221 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,221 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-22 11:22:52,221 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-22 11:22:52,221 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-22 11:22:52,221 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-22 11:22:52,221 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-22 11:22:52,221 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-22 11:22:52,221 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-22 11:22:52,221 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-22 11:22:52,222 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,222 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,222 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,222 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-22 11:22:52,222 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-22 11:22:52,222 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-22 11:22:52,222 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-22 11:22:52,222 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-22 11:22:52,222 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-22 11:22:52,222 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-22 11:22:52,222 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-22 11:22:52,222 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,223 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,223 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,223 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-22 11:22:52,223 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-22 11:22:52,223 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-22 11:22:52,223 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-22 11:22:52,223 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-22 11:22:52,223 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-22 11:22:52,223 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-22 11:22:52,223 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-22 11:22:52,223 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-22 11:22:52,223 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-22 11:22:52,224 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-22 11:22:52,225 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-22 11:22:52,225 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-22 11:22:52,225 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-22 11:22:52,225 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:22:52,225 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-22 11:22:52,225 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-22 11:22:52,225 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-22 11:22:52,225 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,225 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,225 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,225 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-22 11:22:52,225 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-22 11:22:52,226 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-22 11:22:52,226 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-22 11:22:52,226 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-22 11:22:52,226 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,226 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,226 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,226 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-22 11:22:52,226 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-22 11:22:52,226 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-22 11:22:52,226 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-22 11:22:52,226 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-22 11:22:52,227 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-22 11:22:52,227 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-22 11:22:52,227 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-22 11:22:52,227 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-22 11:22:52,227 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-22 11:22:52,227 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:22:52,227 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-22 11:22:52,227 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,227 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,227 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-22 11:22:52,227 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-22 11:22:52,227 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-22 11:22:52,228 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-22 11:22:52,228 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-22 11:22:52,228 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-22 11:22:52,228 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-22 11:22:52,228 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-22 11:22:52,228 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-22 11:22:52,228 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1)) (.cse0 (<= ~a19~0 0)) (.cse5 (= ~a17~0 8)) (.cse6 (not (= ~a28~0 11))) (.cse7 (<= 10 ~a28~0)) (.cse1 (= ~a19~0 1)) (.cse3 (= ~a11~0 1))) (or (and (= ~a28~0 9) .cse0) (and .cse1 .cse2 .cse3) (let ((.cse4 (not .cse2))) (or (and .cse0 (and .cse4 .cse5)) (and .cse0 .cse4 .cse6))) (and .cse5 .cse1 .cse6) (and .cse7 .cse1 .cse2) (and .cse0 .cse5 .cse6) (and .cse7 .cse1 .cse3))) [2019-10-22 11:22:52,229 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 490) no Hoare annotation was computed. [2019-10-22 11:22:52,229 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,229 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,229 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-22 11:22:52,229 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-22 11:22:52,229 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-22 11:22:52,229 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-22 11:22:52,229 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-22 11:22:52,229 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-22 11:22:52,229 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-10-22 11:22:52,229 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,230 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-22 11:22:52,231 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-22 11:22:52,231 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-22 11:22:52,231 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-22 11:22:52,231 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-22 11:22:52,231 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-22 11:22:52,231 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1)) (.cse0 (<= ~a19~0 0)) (.cse5 (= ~a17~0 8)) (.cse6 (not (= ~a28~0 11))) (.cse7 (<= 10 ~a28~0)) (.cse1 (= ~a19~0 1)) (.cse3 (= ~a11~0 1))) (or (and (= ~a28~0 9) .cse0) (and .cse1 .cse2 .cse3) (let ((.cse4 (not .cse2))) (or (and .cse0 (and .cse4 .cse5)) (and .cse0 .cse4 .cse6))) (and .cse5 .cse1 .cse6) (and .cse7 .cse1 .cse2) (and .cse0 .cse5 .cse6) (and .cse7 .cse1 .cse3))) [2019-10-22 11:22:52,231 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,231 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,231 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-22 11:22:52,231 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-22 11:22:52,232 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-22 11:22:52,233 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-22 11:22:52,234 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-22 11:22:52,235 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:22:52,236 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-22 11:22:52,236 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-22 11:22:52,236 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,236 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,236 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,236 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-22 11:22:52,236 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-22 11:22:52,236 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-22 11:22:52,236 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-22 11:22:52,236 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-22 11:22:52,236 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,236 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,237 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:22:52,237 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-22 11:22:52,237 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-22 11:22:52,237 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-22 11:22:52,237 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-22 11:22:52,237 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-22 11:22:52,237 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-22 11:22:52,237 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-22 11:22:52,237 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-22 11:22:52,237 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-22 11:22:52,237 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-22 11:22:52,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:52 BoogieIcfgContainer [2019-10-22 11:22:52,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:52,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:52,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:52,255 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:52,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:44" (3/4) ... [2019-10-22 11:22:52,259 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:22:52,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:22:52,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:22:52,389 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3919cb12-ef2f-40bd-af97-489396a9feec/bin/utaipan/witness.graphml [2019-10-22 11:22:52,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:52,390 INFO L168 Benchmark]: Toolchain (without parser) took 9554.65 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 442.5 MB). Free memory was 939.1 MB in the beginning and 1.3 GB in the end (delta: -394.1 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:52,391 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:52,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:52,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:52,391 INFO L168 Benchmark]: Boogie Preprocessor took 38.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:52,392 INFO L168 Benchmark]: RCFGBuilder took 1005.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.9 MB in the end (delta: 106.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:52,392 INFO L168 Benchmark]: TraceAbstraction took 7749.16 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 299.9 MB). Free memory was 992.9 MB in the beginning and 1.4 GB in the end (delta: -369.0 MB). Peak memory consumption was 351.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:52,392 INFO L168 Benchmark]: Witness Printer took 134.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:52,393 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 564.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1005.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.9 MB in the end (delta: 106.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7749.16 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 299.9 MB). Free memory was 992.9 MB in the beginning and 1.4 GB in the end (delta: -369.0 MB). Peak memory consumption was 351.4 MB. Max. memory is 11.5 GB. * Witness Printer took 134.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 490]: 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 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((a28 == 9 && a19 <= 0) || ((a19 == 1 && a25 == 1) && a11 == 1)) || (a19 <= 0 && !(a25 == 1) && a17 == 8) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a11 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((a28 == 9 && a19 <= 0) || ((a19 == 1 && a25 == 1) && a11 == 1)) || (a19 <= 0 && !(a25 == 1) && a17 == 8) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 7.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1196 SDtfs, 1565 SDslu, 222 SDs, 0 SdLazy, 4134 SolverSat, 795 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 454 GetRequests, 434 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 171 HoareAnnotationTreeSize, 3 FomulaSimplifications, 916 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 288 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1390 NumberOfCodeBlocks, 1390 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1593 ConstructedInterpolants, 0 QuantifiedInterpolants, 583337 SizeOfPredicates, 1 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 720/723 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...