./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label38.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_3129ecef-2544-4b50-ad2e-6492ca24a67b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label38.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/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 04fd81e9543232110dc189b4b001c0bb7a784bec ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:23:04,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:04,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:04,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:04,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:04,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:04,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:05,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:05,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:05,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:05,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:05,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:05,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:05,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:05,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:05,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:05,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:05,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:05,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:05,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:05,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:05,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:05,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:05,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:05,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:05,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:05,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:05,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:05,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:05,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:05,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:05,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:05,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:05,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:05,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:05,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:05,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:05,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:05,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:05,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:05,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:05,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:05,041 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:05,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:05,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:05,042 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:05,042 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:05,042 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:05,043 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:05,043 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:05,043 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:05,043 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:05,043 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:05,043 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:05,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:05,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:05,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:05,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:05,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:05,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:05,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:05,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:05,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:05,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:05,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:05,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:05,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:05,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:05,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:05,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:05,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:05,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:05,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:05,046 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:05,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:05,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:05,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:05,047 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_3129ecef-2544-4b50-ad2e-6492ca24a67b/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 -> 04fd81e9543232110dc189b4b001c0bb7a784bec [2019-10-22 11:23:05,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:05,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:05,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:05,082 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:05,082 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:05,083 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label38.c [2019-10-22 11:23:05,123 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/bin/utaipan/data/055f4ef0c/23d4700eaad149c392a5f4c5d73a5097/FLAG231905002 [2019-10-22 11:23:05,571 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:05,572 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/sv-benchmarks/c/eca-rers2012/Problem02_label38.c [2019-10-22 11:23:05,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/bin/utaipan/data/055f4ef0c/23d4700eaad149c392a5f4c5d73a5097/FLAG231905002 [2019-10-22 11:23:05,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/bin/utaipan/data/055f4ef0c/23d4700eaad149c392a5f4c5d73a5097 [2019-10-22 11:23:05,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:05,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:05,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:05,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:05,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:05,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:05" (1/1) ... [2019-10-22 11:23:05,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63affcaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:05, skipping insertion in model container [2019-10-22 11:23:05,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:05" (1/1) ... [2019-10-22 11:23:05,924 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:05,963 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:06,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:06,342 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:06,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:06,444 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:06,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06 WrapperNode [2019-10-22 11:23:06,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:06,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:06,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:06,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:06,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:06,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:06,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:06,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:06,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... [2019-10-22 11:23:06,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:06,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:06,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:06,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:06,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/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 11:23:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:07,724 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:07,725 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:23:07,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:07 BoogieIcfgContainer [2019-10-22 11:23:07,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:07,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:07,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:07,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:07,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:05" (1/3) ... [2019-10-22 11:23:07,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4921b651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:07, skipping insertion in model container [2019-10-22 11:23:07,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:06" (2/3) ... [2019-10-22 11:23:07,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4921b651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:07, skipping insertion in model container [2019-10-22 11:23:07,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:07" (3/3) ... [2019-10-22 11:23:07,735 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label38.c [2019-10-22 11:23:07,745 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:07,753 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:23:07,764 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:23:07,795 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:07,795 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:07,795 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:07,795 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:07,795 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:07,795 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:07,796 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:07,796 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:07,817 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 11:23:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-22 11:23:07,830 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:07,831 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, 1, 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 11:23:07,833 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:07,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:07,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1386226739, now seen corresponding path program 1 times [2019-10-22 11:23:07,847 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:07,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428640844] [2019-10-22 11:23:07,848 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:07,848 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:07,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:08,202 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 11:23:08,202 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428640844] [2019-10-22 11:23:08,203 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:08,203 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:08,204 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264609078] [2019-10-22 11:23:08,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:08,210 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:08,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:08,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:08,225 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-10-22 11:23:09,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:09,346 INFO L93 Difference]: Finished difference Result 747 states and 1324 transitions. [2019-10-22 11:23:09,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:09,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2019-10-22 11:23:09,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:09,366 INFO L225 Difference]: With dead ends: 747 [2019-10-22 11:23:09,369 INFO L226 Difference]: Without dead ends: 453 [2019-10-22 11:23:09,373 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 11:23:09,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2019-10-22 11:23:09,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 449. [2019-10-22 11:23:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-10-22 11:23:09,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 614 transitions. [2019-10-22 11:23:09,449 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 614 transitions. Word has length 131 [2019-10-22 11:23:09,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:09,450 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 614 transitions. [2019-10-22 11:23:09,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:09,451 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 614 transitions. [2019-10-22 11:23:09,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-22 11:23:09,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:09,458 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:09,458 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:09,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:09,459 INFO L82 PathProgramCache]: Analyzing trace with hash -2033324014, now seen corresponding path program 1 times [2019-10-22 11:23:09,459 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:09,459 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541821402] [2019-10-22 11:23:09,459 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:09,459 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:09,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:09,858 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:09,858 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541821402] [2019-10-22 11:23:09,858 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:09,859 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-22 11:23:09,859 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908377173] [2019-10-22 11:23:09,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 11:23:09,861 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:09,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 11:23:09,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:23:09,861 INFO L87 Difference]: Start difference. First operand 449 states and 614 transitions. Second operand 10 states. [2019-10-22 11:23:10,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:10,957 INFO L93 Difference]: Finished difference Result 1680 states and 2320 transitions. [2019-10-22 11:23:10,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:10,958 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2019-10-22 11:23:10,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:10,963 INFO L225 Difference]: With dead ends: 1680 [2019-10-22 11:23:10,963 INFO L226 Difference]: Without dead ends: 1233 [2019-10-22 11:23:10,965 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:23:10,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2019-10-22 11:23:11,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1227. [2019-10-22 11:23:11,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2019-10-22 11:23:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1511 transitions. [2019-10-22 11:23:11,008 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1511 transitions. Word has length 140 [2019-10-22 11:23:11,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:11,008 INFO L462 AbstractCegarLoop]: Abstraction has 1227 states and 1511 transitions. [2019-10-22 11:23:11,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 11:23:11,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1511 transitions. [2019-10-22 11:23:11,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-22 11:23:11,014 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:11,014 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 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 11:23:11,014 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:11,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:11,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1045086265, now seen corresponding path program 1 times [2019-10-22 11:23:11,015 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:11,015 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133714928] [2019-10-22 11:23:11,015 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:11,015 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:11,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 11:23:11,090 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133714928] [2019-10-22 11:23:11,091 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:11,091 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:11,091 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777072786] [2019-10-22 11:23:11,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:11,092 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:11,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:11,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:11,092 INFO L87 Difference]: Start difference. First operand 1227 states and 1511 transitions. Second operand 4 states. [2019-10-22 11:23:11,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:11,852 INFO L93 Difference]: Finished difference Result 3726 states and 4633 transitions. [2019-10-22 11:23:11,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:11,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 169 [2019-10-22 11:23:11,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:11,859 INFO L225 Difference]: With dead ends: 3726 [2019-10-22 11:23:11,859 INFO L226 Difference]: Without dead ends: 1939 [2019-10-22 11:23:11,863 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 11:23:11,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2019-10-22 11:23:11,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1648. [2019-10-22 11:23:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2019-10-22 11:23:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 1958 transitions. [2019-10-22 11:23:11,900 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 1958 transitions. Word has length 169 [2019-10-22 11:23:11,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:11,900 INFO L462 AbstractCegarLoop]: Abstraction has 1648 states and 1958 transitions. [2019-10-22 11:23:11,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:11,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1958 transitions. [2019-10-22 11:23:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-22 11:23:11,903 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:11,903 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:11,903 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:11,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:11,904 INFO L82 PathProgramCache]: Analyzing trace with hash -998461968, now seen corresponding path program 1 times [2019-10-22 11:23:11,904 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:11,904 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856900930] [2019-10-22 11:23:11,904 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:11,904 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:11,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-22 11:23:12,009 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856900930] [2019-10-22 11:23:12,009 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:12,009 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:12,010 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168572798] [2019-10-22 11:23:12,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:12,010 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:12,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:12,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:12,011 INFO L87 Difference]: Start difference. First operand 1648 states and 1958 transitions. Second operand 4 states. [2019-10-22 11:23:12,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:12,763 INFO L93 Difference]: Finished difference Result 4141 states and 4956 transitions. [2019-10-22 11:23:12,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:12,764 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2019-10-22 11:23:12,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:12,771 INFO L225 Difference]: With dead ends: 4141 [2019-10-22 11:23:12,771 INFO L226 Difference]: Without dead ends: 2355 [2019-10-22 11:23:12,773 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 11:23:12,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2355 states. [2019-10-22 11:23:12,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2355 to 2069. [2019-10-22 11:23:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2019-10-22 11:23:12,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2330 transitions. [2019-10-22 11:23:12,821 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2330 transitions. Word has length 195 [2019-10-22 11:23:12,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:12,821 INFO L462 AbstractCegarLoop]: Abstraction has 2069 states and 2330 transitions. [2019-10-22 11:23:12,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:12,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2330 transitions. [2019-10-22 11:23:12,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-22 11:23:12,824 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:12,825 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:12,825 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:12,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:12,825 INFO L82 PathProgramCache]: Analyzing trace with hash 766203985, now seen corresponding path program 1 times [2019-10-22 11:23:12,825 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:12,826 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126620094] [2019-10-22 11:23:12,826 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:12,826 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:12,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-22 11:23:12,961 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126620094] [2019-10-22 11:23:12,961 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:12,961 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:12,961 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339523871] [2019-10-22 11:23:12,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:12,962 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:12,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:12,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:12,962 INFO L87 Difference]: Start difference. First operand 2069 states and 2330 transitions. Second operand 3 states. [2019-10-22 11:23:13,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:13,315 INFO L93 Difference]: Finished difference Result 4130 states and 4620 transitions. [2019-10-22 11:23:13,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:13,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-10-22 11:23:13,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:13,322 INFO L225 Difference]: With dead ends: 4130 [2019-10-22 11:23:13,322 INFO L226 Difference]: Without dead ends: 2063 [2019-10-22 11:23:13,324 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 11:23:13,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2063 states. [2019-10-22 11:23:13,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2063 to 1783. [2019-10-22 11:23:13,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1783 states. [2019-10-22 11:23:13,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 1968 transitions. [2019-10-22 11:23:13,359 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 1968 transitions. Word has length 243 [2019-10-22 11:23:13,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:13,360 INFO L462 AbstractCegarLoop]: Abstraction has 1783 states and 1968 transitions. [2019-10-22 11:23:13,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 1968 transitions. [2019-10-22 11:23:13,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-10-22 11:23:13,364 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:13,364 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:13,365 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:13,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:13,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1246867784, now seen corresponding path program 1 times [2019-10-22 11:23:13,365 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:13,365 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669350552] [2019-10-22 11:23:13,365 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:13,366 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:13,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:13,451 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-22 11:23:13,451 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669350552] [2019-10-22 11:23:13,451 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:13,452 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:13,452 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120207260] [2019-10-22 11:23:13,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:13,452 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:13,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:13,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:13,453 INFO L87 Difference]: Start difference. First operand 1783 states and 1968 transitions. Second operand 3 states. [2019-10-22 11:23:13,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:13,788 INFO L93 Difference]: Finished difference Result 3703 states and 4082 transitions. [2019-10-22 11:23:13,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:13,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 265 [2019-10-22 11:23:13,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:13,794 INFO L225 Difference]: With dead ends: 3703 [2019-10-22 11:23:13,794 INFO L226 Difference]: Without dead ends: 1781 [2019-10-22 11:23:13,796 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 11:23:13,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2019-10-22 11:23:13,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1361. [2019-10-22 11:23:13,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1361 states. [2019-10-22 11:23:13,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1466 transitions. [2019-10-22 11:23:13,827 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1466 transitions. Word has length 265 [2019-10-22 11:23:13,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:13,828 INFO L462 AbstractCegarLoop]: Abstraction has 1361 states and 1466 transitions. [2019-10-22 11:23:13,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1466 transitions. [2019-10-22 11:23:13,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-10-22 11:23:13,833 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:13,833 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:13,833 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:13,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:13,834 INFO L82 PathProgramCache]: Analyzing trace with hash -828655292, now seen corresponding path program 1 times [2019-10-22 11:23:13,834 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:13,834 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711472252] [2019-10-22 11:23:13,834 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:13,834 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:13,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:13,986 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-22 11:23:13,987 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711472252] [2019-10-22 11:23:13,987 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:13,987 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:13,987 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205428997] [2019-10-22 11:23:13,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:13,988 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:13,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:13,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:13,989 INFO L87 Difference]: Start difference. First operand 1361 states and 1466 transitions. Second operand 3 states. [2019-10-22 11:23:14,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:14,325 INFO L93 Difference]: Finished difference Result 3141 states and 3370 transitions. [2019-10-22 11:23:14,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:14,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2019-10-22 11:23:14,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:14,330 INFO L225 Difference]: With dead ends: 3141 [2019-10-22 11:23:14,330 INFO L226 Difference]: Without dead ends: 1499 [2019-10-22 11:23:14,332 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 11:23:14,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2019-10-22 11:23:14,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1357. [2019-10-22 11:23:14,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1357 states. [2019-10-22 11:23:14,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1421 transitions. [2019-10-22 11:23:14,357 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1421 transitions. Word has length 275 [2019-10-22 11:23:14,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:14,357 INFO L462 AbstractCegarLoop]: Abstraction has 1357 states and 1421 transitions. [2019-10-22 11:23:14,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:14,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1421 transitions. [2019-10-22 11:23:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-10-22 11:23:14,362 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:14,363 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 11:23:14,363 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:14,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:14,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1300619912, now seen corresponding path program 1 times [2019-10-22 11:23:14,363 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:14,364 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860312598] [2019-10-22 11:23:14,365 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:14,365 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:14,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:14,676 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 231 proven. 61 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-22 11:23:14,676 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860312598] [2019-10-22 11:23:14,677 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533938810] [2019-10-22 11:23:14,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/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 11:23:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:14,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:14,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-10-22 11:23:14,908 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-10-22 11:23:14,967 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:23:14,967 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 11 [2019-10-22 11:23:14,967 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922027689] [2019-10-22 11:23:14,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:14,968 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:14,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:14,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:23:14,969 INFO L87 Difference]: Start difference. First operand 1357 states and 1421 transitions. Second operand 4 states. [2019-10-22 11:23:15,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:15,360 INFO L93 Difference]: Finished difference Result 2566 states and 2694 transitions. [2019-10-22 11:23:15,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:15,361 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 280 [2019-10-22 11:23:15,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:15,361 INFO L225 Difference]: With dead ends: 2566 [2019-10-22 11:23:15,361 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:15,363 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 557 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:23:15,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:15,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:15,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:15,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:15,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 280 [2019-10-22 11:23:15,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:15,364 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:15,364 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:15,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:15,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:15,565 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:15,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:15,880 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2019-10-22 11:23:16,126 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2019-10-22 11:23:16,128 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,128 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,128 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,128 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-22 11:23:16,128 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-22 11:23:16,129 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-22 11:23:16,130 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-22 11:23:16,131 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-22 11:23:16,131 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-22 11:23:16,131 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-22 11:23:16,131 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-22 11:23:16,131 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-22 11:23:16,131 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,131 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,131 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,131 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-22 11:23:16,131 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-22 11:23:16,134 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-22 11:23:16,134 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-22 11:23:16,134 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-22 11:23:16,134 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-22 11:23:16,134 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-22 11:23:16,134 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 565) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-22 11:23:16,135 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-22 11:23:16,136 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,137 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-22 11:23:16,138 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-22 11:23:16,139 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-22 11:23:16,139 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-22 11:23:16,139 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-22 11:23:16,139 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-22 11:23:16,139 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-22 11:23:16,139 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-22 11:23:16,139 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-22 11:23:16,141 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse4 (= 1 ~a11~0)) (.cse5 (= ~a19~0 1))) (let ((.cse6 (= 10 ~a28~0)) (.cse3 (not .cse5)) (.cse2 (not (= ~a28~0 11))) (.cse8 (< ~a17~0 9)) (.cse7 (not .cse4)) (.cse0 (= ~a17~0 8)) (.cse1 (= ~a21~0 1)) (.cse9 (= ~a25~0 1))) (or (and (not (= 8 ~a28~0)) .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse2) (and .cse8 .cse9 .cse6) (and .cse7 .cse8 (and .cse3 .cse2)) (and .cse8 .cse5 (= ~a28~0 7) .cse9) (and (or (and .cse7 .cse0 (or (= 4 ULTIMATE.start_calculate_output_~input) (= 6 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input)) .cse1) (and .cse7 .cse0 .cse1 (= 1 ULTIMATE.start_calculate_output_~input))) .cse5 .cse9)))) [2019-10-22 11:23:16,141 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,141 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,141 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-22 11:23:16,141 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-22 11:23:16,141 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-22 11:23:16,141 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-22 11:23:16,141 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-22 11:23:16,141 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-22 11:23:16,141 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-10-22 11:23:16,141 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,141 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,141 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-22 11:23:16,142 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-22 11:23:16,143 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= 1 ~a11~0)) (.cse5 (= ~a19~0 1))) (let ((.cse6 (= 10 ~a28~0)) (.cse3 (not .cse5)) (.cse2 (not (= ~a28~0 11))) (.cse8 (< ~a17~0 9)) (.cse7 (not .cse4)) (.cse0 (= ~a17~0 8)) (.cse1 (= ~a21~0 1)) (.cse9 (= ~a25~0 1))) (or (and (not (= 8 ~a28~0)) .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2 .cse4) (and .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse2) (and .cse8 .cse9 .cse6) (and .cse7 .cse8 (and .cse3 .cse2)) (and .cse8 .cse5 (= ~a28~0 7) .cse9) (and (or (and .cse7 .cse0 (or (= 4 ULTIMATE.start_calculate_output_~input) (= 6 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input)) .cse1) (and .cse7 .cse0 .cse1 (= 1 ULTIMATE.start_calculate_output_~input))) .cse5 .cse9)))) [2019-10-22 11:23:16,143 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,143 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,143 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-22 11:23:16,143 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-22 11:23:16,143 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-22 11:23:16,143 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-22 11:23:16,143 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-22 11:23:16,143 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,143 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,143 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-22 11:23:16,143 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-22 11:23:16,143 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-22 11:23:16,144 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-22 11:23:16,144 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-22 11:23:16,145 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-22 11:23:16,146 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-22 11:23:16,147 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-22 11:23:16,148 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-22 11:23:16,149 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-22 11:23:16,149 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-22 11:23:16,149 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-22 11:23:16,149 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-22 11:23:16,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:16 BoogieIcfgContainer [2019-10-22 11:23:16,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:16,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:16,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:16,182 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:16,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:07" (3/4) ... [2019-10-22 11:23:16,186 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:16,205 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:23:16,210 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:16,358 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3129ecef-2544-4b50-ad2e-6492ca24a67b/bin/utaipan/witness.graphml [2019-10-22 11:23:16,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:16,362 INFO L168 Benchmark]: Toolchain (without parser) took 10452.23 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 440.9 MB). Free memory was 939.1 MB in the beginning and 1.0 GB in the end (delta: -82.3 MB). Peak memory consumption was 358.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:16,362 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:16,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:16,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:16,363 INFO L168 Benchmark]: Boogie Preprocessor took 75.18 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:16,364 INFO L168 Benchmark]: RCFGBuilder took 1136.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:16,364 INFO L168 Benchmark]: TraceAbstraction took 8454.05 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 302.0 MB). Free memory was 995.6 MB in the beginning and 1.0 GB in the end (delta: -51.8 MB). Peak memory consumption was 250.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:16,364 INFO L168 Benchmark]: Witness Printer took 178.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:16,366 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 534.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.18 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1136.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8454.05 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 302.0 MB). Free memory was 995.6 MB in the beginning and 1.0 GB in the end (delta: -51.8 MB). Peak memory consumption was 250.2 MB. Max. memory is 11.5 GB. * Witness Printer took 178.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 565]: 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: (((((((((!(8 == a28) && a17 == 8) && a21 == 1) && !(a28 == 11)) || (((!(a19 == 1) && a21 == 1) && !(a28 == 11)) && 1 == a11)) || (a19 == 1 && 10 == a28)) || (((!(1 == a11) && a17 < 9) && a25 == 1) && !(a28 == 11))) || ((a17 < 9 && a25 == 1) && 10 == a28)) || ((!(1 == a11) && a17 < 9) && !(a19 == 1) && !(a28 == 11))) || (((a17 < 9 && a19 == 1) && a28 == 7) && a25 == 1)) || ((((((!(1 == a11) && a17 == 8) && ((4 == input || 6 == input) || 5 == input)) && a21 == 1) || (((!(1 == a11) && a17 == 8) && a21 == 1) && 1 == input)) && a19 == 1) && a25 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((!(8 == a28) && a17 == 8) && a21 == 1) && !(a28 == 11)) || (((!(a19 == 1) && a21 == 1) && !(a28 == 11)) && 1 == a11)) || (a19 == 1 && 10 == a28)) || (((!(1 == a11) && a17 < 9) && a25 == 1) && !(a28 == 11))) || ((a17 < 9 && a25 == 1) && 10 == a28)) || ((!(1 == a11) && a17 < 9) && !(a19 == 1) && !(a28 == 11))) || (((a17 < 9 && a19 == 1) && a28 == 7) && a25 == 1)) || ((((((!(1 == a11) && a17 == 8) && ((4 == input || 6 == input) || 5 == input)) && a21 == 1) || (((!(1 == a11) && a17 == 8) && a21 == 1) && 1 == input)) && a19 == 1) && a25 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.3s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 727 SDtfs, 2164 SDslu, 227 SDs, 0 SdLazy, 4599 SolverSat, 919 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 603 GetRequests, 574 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2069occurred 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: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1429 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 273 HoareAnnotationTreeSize, 3 FomulaSimplifications, 638 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 640 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1978 NumberOfCodeBlocks, 1978 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2248 ConstructedInterpolants, 0 QuantifiedInterpolants, 1436476 SizeOfPredicates, 0 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 1812/1873 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...