./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label42.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_a1804678-2b3b-4953-a5ea-41aba54ed393/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label42.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/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 a8726e54e507f4e5407a6f1ab8a73f56b359228a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:23:11,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:11,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:11,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:11,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:11,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:11,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:11,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:11,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:11,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:11,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:11,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:11,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:11,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:11,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:11,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:11,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:11,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:11,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:11,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:11,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:11,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:11,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:11,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:11,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:11,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:11,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:11,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:11,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:11,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:11,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:11,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:11,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:11,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:11,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:11,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:11,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:11,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:11,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:11,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:11,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:11,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:11,727 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:11,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:11,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:11,739 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:11,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:11,739 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:11,739 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:11,739 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:11,739 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:11,739 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:11,740 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:11,740 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:11,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:11,741 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:11,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:11,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:11,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:11,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:11,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:11,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:11,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:11,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:11,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:11,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:11,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:11,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:11,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:11,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:11,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:11,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:11,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:11,744 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:11,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:11,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:11,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:11,744 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_a1804678-2b3b-4953-a5ea-41aba54ed393/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 -> a8726e54e507f4e5407a6f1ab8a73f56b359228a [2019-10-22 11:23:11,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:11,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:11,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:11,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:11,787 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:11,788 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label42.c [2019-10-22 11:23:11,844 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/bin/utaipan/data/f933f8e7e/e5c21e3804f844a5a9dae3b16c5ffb8e/FLAGe26ea1a22 [2019-10-22 11:23:12,354 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:12,355 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/sv-benchmarks/c/eca-rers2012/Problem02_label42.c [2019-10-22 11:23:12,367 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/bin/utaipan/data/f933f8e7e/e5c21e3804f844a5a9dae3b16c5ffb8e/FLAGe26ea1a22 [2019-10-22 11:23:12,812 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/bin/utaipan/data/f933f8e7e/e5c21e3804f844a5a9dae3b16c5ffb8e [2019-10-22 11:23:12,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:12,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:12,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:12,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:12,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:12,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0d4389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:12, skipping insertion in model container [2019-10-22 11:23:12,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:12" (1/1) ... [2019-10-22 11:23:12,835 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:12,892 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:13,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:13,385 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:13,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:13,527 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:13,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:13 WrapperNode [2019-10-22 11:23:13,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:13,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:13,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:13,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:13,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:13" (1/1) ... [2019-10-22 11:23:13,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:13" (1/1) ... [2019-10-22 11:23:13,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:13,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:13,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:13,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:13,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:13" (1/1) ... [2019-10-22 11:23:13,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:13" (1/1) ... [2019-10-22 11:23:13,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:13" (1/1) ... [2019-10-22 11:23:13,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:13" (1/1) ... [2019-10-22 11:23:13,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:13" (1/1) ... [2019-10-22 11:23:13,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:13" (1/1) ... [2019-10-22 11:23:13,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:13" (1/1) ... [2019-10-22 11:23:13,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:13,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:13,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:13,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:13,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/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 11:23:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:14,939 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:14,939 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:23:14,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:14 BoogieIcfgContainer [2019-10-22 11:23:14,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:14,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:14,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:14,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:14,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:12" (1/3) ... [2019-10-22 11:23:14,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792254dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:14, skipping insertion in model container [2019-10-22 11:23:14,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:13" (2/3) ... [2019-10-22 11:23:14,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792254dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:14, skipping insertion in model container [2019-10-22 11:23:14,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:14" (3/3) ... [2019-10-22 11:23:14,950 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label42.c [2019-10-22 11:23:14,960 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:14,969 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:23:14,982 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:23:15,013 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:15,013 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:15,013 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:15,014 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:15,015 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:15,016 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:15,016 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:15,016 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 11:23:15,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-22 11:23:15,050 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:15,051 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] [2019-10-22 11:23:15,053 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:15,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:15,060 INFO L82 PathProgramCache]: Analyzing trace with hash 499493077, now seen corresponding path program 1 times [2019-10-22 11:23:15,070 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:15,071 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327465988] [2019-10-22 11:23:15,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:15,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:15,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:15,524 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 11:23:15,524 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327465988] [2019-10-22 11:23:15,525 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:15,525 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:15,526 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415623742] [2019-10-22 11:23:15,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:15,533 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:15,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:15,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:15,553 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-10-22 11:23:17,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:17,012 INFO L93 Difference]: Finished difference Result 748 states and 1324 transitions. [2019-10-22 11:23:17,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:17,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2019-10-22 11:23:17,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:17,034 INFO L225 Difference]: With dead ends: 748 [2019-10-22 11:23:17,035 INFO L226 Difference]: Without dead ends: 454 [2019-10-22 11:23:17,038 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 11:23:17,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-22 11:23:17,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 451. [2019-10-22 11:23:17,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-10-22 11:23:17,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 616 transitions. [2019-10-22 11:23:17,116 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 616 transitions. Word has length 100 [2019-10-22 11:23:17,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:17,117 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 616 transitions. [2019-10-22 11:23:17,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:17,118 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 616 transitions. [2019-10-22 11:23:17,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-10-22 11:23:17,126 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:17,127 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 11:23:17,127 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:17,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:17,129 INFO L82 PathProgramCache]: Analyzing trace with hash 396760741, now seen corresponding path program 1 times [2019-10-22 11:23:17,129 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:17,130 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43355859] [2019-10-22 11:23:17,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:17,229 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43355859] [2019-10-22 11:23:17,229 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:17,229 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:17,230 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113034151] [2019-10-22 11:23:17,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:17,233 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:17,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:17,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:17,235 INFO L87 Difference]: Start difference. First operand 451 states and 616 transitions. Second operand 3 states. [2019-10-22 11:23:17,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:17,815 INFO L93 Difference]: Finished difference Result 1323 states and 1809 transitions. [2019-10-22 11:23:17,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:17,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2019-10-22 11:23:17,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:17,820 INFO L225 Difference]: With dead ends: 1323 [2019-10-22 11:23:17,821 INFO L226 Difference]: Without dead ends: 874 [2019-10-22 11:23:17,823 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:17,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-10-22 11:23:17,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2019-10-22 11:23:17,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2019-10-22 11:23:17,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1139 transitions. [2019-10-22 11:23:17,858 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1139 transitions. Word has length 117 [2019-10-22 11:23:17,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:17,859 INFO L462 AbstractCegarLoop]: Abstraction has 874 states and 1139 transitions. [2019-10-22 11:23:17,859 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:17,859 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1139 transitions. [2019-10-22 11:23:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-22 11:23:17,863 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:17,863 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 11:23:17,863 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:17,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:17,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1844290899, now seen corresponding path program 1 times [2019-10-22 11:23:17,864 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:17,864 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201529057] [2019-10-22 11:23:17,865 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,865 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:17,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:17,993 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201529057] [2019-10-22 11:23:17,998 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:17,998 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:17,998 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854299385] [2019-10-22 11:23:17,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:17,999 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:17,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:18,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:18,000 INFO L87 Difference]: Start difference. First operand 874 states and 1139 transitions. Second operand 4 states. [2019-10-22 11:23:18,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:18,502 INFO L93 Difference]: Finished difference Result 2154 states and 2796 transitions. [2019-10-22 11:23:18,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:18,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2019-10-22 11:23:18,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:18,507 INFO L225 Difference]: With dead ends: 2154 [2019-10-22 11:23:18,507 INFO L226 Difference]: Without dead ends: 1282 [2019-10-22 11:23:18,508 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:18,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2019-10-22 11:23:18,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 862. [2019-10-22 11:23:18,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2019-10-22 11:23:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1063 transitions. [2019-10-22 11:23:18,541 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1063 transitions. Word has length 133 [2019-10-22 11:23:18,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:18,542 INFO L462 AbstractCegarLoop]: Abstraction has 862 states and 1063 transitions. [2019-10-22 11:23:18,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1063 transitions. [2019-10-22 11:23:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-22 11:23:18,545 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:18,546 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 11:23:18,546 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:18,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:18,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1961644753, now seen corresponding path program 1 times [2019-10-22 11:23:18,547 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:18,548 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576652240] [2019-10-22 11:23:18,548 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:18,548 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:18,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 11:23:18,628 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576652240] [2019-10-22 11:23:18,628 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:18,628 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:18,628 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254497055] [2019-10-22 11:23:18,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:18,629 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:18,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:18,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:18,629 INFO L87 Difference]: Start difference. First operand 862 states and 1063 transitions. Second operand 3 states. [2019-10-22 11:23:19,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:19,059 INFO L93 Difference]: Finished difference Result 2286 states and 2790 transitions. [2019-10-22 11:23:19,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:19,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-10-22 11:23:19,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:19,068 INFO L225 Difference]: With dead ends: 2286 [2019-10-22 11:23:19,068 INFO L226 Difference]: Without dead ends: 1426 [2019-10-22 11:23:19,071 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 11:23:19,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2019-10-22 11:23:19,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1143. [2019-10-22 11:23:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2019-10-22 11:23:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1399 transitions. [2019-10-22 11:23:19,131 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1399 transitions. Word has length 139 [2019-10-22 11:23:19,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:19,132 INFO L462 AbstractCegarLoop]: Abstraction has 1143 states and 1399 transitions. [2019-10-22 11:23:19,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1399 transitions. [2019-10-22 11:23:19,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-22 11:23:19,135 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:19,135 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 11:23:19,135 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:19,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:19,136 INFO L82 PathProgramCache]: Analyzing trace with hash -435160690, now seen corresponding path program 1 times [2019-10-22 11:23:19,136 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:19,136 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149064867] [2019-10-22 11:23:19,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-22 11:23:19,215 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149064867] [2019-10-22 11:23:19,215 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:19,216 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:19,216 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196615561] [2019-10-22 11:23:19,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:19,216 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:19,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:19,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:19,217 INFO L87 Difference]: Start difference. First operand 1143 states and 1399 transitions. Second operand 3 states. [2019-10-22 11:23:19,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:19,692 INFO L93 Difference]: Finished difference Result 2566 states and 3148 transitions. [2019-10-22 11:23:19,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:19,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-10-22 11:23:19,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:19,697 INFO L225 Difference]: With dead ends: 2566 [2019-10-22 11:23:19,697 INFO L226 Difference]: Without dead ends: 1425 [2019-10-22 11:23:19,700 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 11:23:19,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2019-10-22 11:23:19,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1423. [2019-10-22 11:23:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2019-10-22 11:23:19,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 1704 transitions. [2019-10-22 11:23:19,732 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 1704 transitions. Word has length 144 [2019-10-22 11:23:19,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:19,732 INFO L462 AbstractCegarLoop]: Abstraction has 1423 states and 1704 transitions. [2019-10-22 11:23:19,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:19,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1704 transitions. [2019-10-22 11:23:19,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-22 11:23:19,735 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:19,735 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 11:23:19,736 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:19,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:19,736 INFO L82 PathProgramCache]: Analyzing trace with hash -266021720, now seen corresponding path program 1 times [2019-10-22 11:23:19,736 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:19,736 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959284027] [2019-10-22 11:23:19,737 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,737 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:19,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:23:19,819 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959284027] [2019-10-22 11:23:19,819 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:19,820 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:19,820 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051273302] [2019-10-22 11:23:19,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:19,820 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:19,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:19,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:19,821 INFO L87 Difference]: Start difference. First operand 1423 states and 1704 transitions. Second operand 4 states. [2019-10-22 11:23:20,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:20,583 INFO L93 Difference]: Finished difference Result 3404 states and 4091 transitions. [2019-10-22 11:23:20,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:20,584 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2019-10-22 11:23:20,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:20,589 INFO L225 Difference]: With dead ends: 3404 [2019-10-22 11:23:20,589 INFO L226 Difference]: Without dead ends: 1700 [2019-10-22 11:23:20,591 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 11:23:20,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2019-10-22 11:23:20,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1560. [2019-10-22 11:23:20,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1560 states. [2019-10-22 11:23:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 1725 transitions. [2019-10-22 11:23:20,620 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 1725 transitions. Word has length 146 [2019-10-22 11:23:20,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:20,621 INFO L462 AbstractCegarLoop]: Abstraction has 1560 states and 1725 transitions. [2019-10-22 11:23:20,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1725 transitions. [2019-10-22 11:23:20,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-22 11:23:20,624 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:20,624 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 11:23:20,624 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:20,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:20,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1950870258, now seen corresponding path program 1 times [2019-10-22 11:23:20,625 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:20,625 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933921184] [2019-10-22 11:23:20,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:20,752 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:23:20,752 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933921184] [2019-10-22 11:23:20,753 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629566031] [2019-10-22 11:23:20,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/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 11:23:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:20,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 11:23:20,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:20,879 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:23:20,880 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:23:20,923 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:23:20,923 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2019-10-22 11:23:20,924 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098172967] [2019-10-22 11:23:20,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:20,924 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:20,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:20,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:20,925 INFO L87 Difference]: Start difference. First operand 1560 states and 1725 transitions. Second operand 3 states. [2019-10-22 11:23:21,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:21,353 INFO L93 Difference]: Finished difference Result 3397 states and 3747 transitions. [2019-10-22 11:23:21,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:21,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-22 11:23:21,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:21,359 INFO L225 Difference]: With dead ends: 3397 [2019-10-22 11:23:21,359 INFO L226 Difference]: Without dead ends: 1697 [2019-10-22 11:23:21,361 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:21,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2019-10-22 11:23:21,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1695. [2019-10-22 11:23:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1695 states. [2019-10-22 11:23:21,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 1803 transitions. [2019-10-22 11:23:21,394 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 1803 transitions. Word has length 150 [2019-10-22 11:23:21,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:21,394 INFO L462 AbstractCegarLoop]: Abstraction has 1695 states and 1803 transitions. [2019-10-22 11:23:21,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 1803 transitions. [2019-10-22 11:23:21,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-22 11:23:21,398 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:21,398 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:21,599 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:21,599 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:21,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:21,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1731681118, now seen corresponding path program 1 times [2019-10-22 11:23:21,600 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:21,600 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438876510] [2019-10-22 11:23:21,600 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:21,600 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:21,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:21,754 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 78 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:23:21,755 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438876510] [2019-10-22 11:23:21,755 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119193294] [2019-10-22 11:23:21,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:21,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:21,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:21,885 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 11:23:21,886 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:21,922 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 11:23:21,922 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:23:21,923 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [6] total 7 [2019-10-22 11:23:21,923 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190368384] [2019-10-22 11:23:21,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:21,924 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:21,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:21,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:21,925 INFO L87 Difference]: Start difference. First operand 1695 states and 1803 transitions. Second operand 3 states. [2019-10-22 11:23:22,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:22,378 INFO L93 Difference]: Finished difference Result 4518 states and 4819 transitions. [2019-10-22 11:23:22,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:22,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-10-22 11:23:22,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:22,387 INFO L225 Difference]: With dead ends: 4518 [2019-10-22 11:23:22,388 INFO L226 Difference]: Without dead ends: 2965 [2019-10-22 11:23:22,390 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 333 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:22,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2019-10-22 11:23:22,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2965. [2019-10-22 11:23:22,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2019-10-22 11:23:22,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 3160 transitions. [2019-10-22 11:23:22,447 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 3160 transitions. Word has length 168 [2019-10-22 11:23:22,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:22,448 INFO L462 AbstractCegarLoop]: Abstraction has 2965 states and 3160 transitions. [2019-10-22 11:23:22,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:22,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3160 transitions. [2019-10-22 11:23:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-22 11:23:22,453 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:22,453 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:22,654 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:22,654 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:22,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:22,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1863728915, now seen corresponding path program 1 times [2019-10-22 11:23:22,654 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:22,655 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386816408] [2019-10-22 11:23:22,655 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:22,655 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:22,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-22 11:23:22,708 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386816408] [2019-10-22 11:23:22,710 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:22,711 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:22,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324083980] [2019-10-22 11:23:22,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:22,711 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:22,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:22,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:22,712 INFO L87 Difference]: Start difference. First operand 2965 states and 3160 transitions. Second operand 3 states. [2019-10-22 11:23:23,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,069 INFO L93 Difference]: Finished difference Result 4660 states and 4962 transitions. [2019-10-22 11:23:23,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:23,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-22 11:23:23,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,077 INFO L225 Difference]: With dead ends: 4660 [2019-10-22 11:23:23,078 INFO L226 Difference]: Without dead ends: 2965 [2019-10-22 11:23:23,080 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 11:23:23,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2019-10-22 11:23:23,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2825. [2019-10-22 11:23:23,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2825 states. [2019-10-22 11:23:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3011 transitions. [2019-10-22 11:23:23,126 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3011 transitions. Word has length 172 [2019-10-22 11:23:23,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,127 INFO L462 AbstractCegarLoop]: Abstraction has 2825 states and 3011 transitions. [2019-10-22 11:23:23,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3011 transitions. [2019-10-22 11:23:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-22 11:23:23,131 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,132 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:23,132 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,132 INFO L82 PathProgramCache]: Analyzing trace with hash 927349297, now seen corresponding path program 1 times [2019-10-22 11:23:23,132 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:23,133 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15097930] [2019-10-22 11:23:23,133 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,133 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:23,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-22 11:23:23,294 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15097930] [2019-10-22 11:23:23,294 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,294 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:23,294 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104848122] [2019-10-22 11:23:23,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:23,295 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:23,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:23,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:23,295 INFO L87 Difference]: Start difference. First operand 2825 states and 3011 transitions. Second operand 3 states. [2019-10-22 11:23:23,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,660 INFO L93 Difference]: Finished difference Result 3665 states and 3891 transitions. [2019-10-22 11:23:23,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:23,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-10-22 11:23:23,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,661 INFO L225 Difference]: With dead ends: 3665 [2019-10-22 11:23:23,661 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:23,664 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 11:23:23,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:23,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:23,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:23,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:23,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2019-10-22 11:23:23,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,665 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:23,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:23,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:23,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:24,001 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2019-10-22 11:23:24,207 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2019-10-22 11:23:24,209 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,209 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,209 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,209 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-22 11:23:24,209 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-22 11:23:24,209 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-22 11:23:24,209 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-22 11:23:24,209 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-22 11:23:24,209 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-22 11:23:24,209 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-22 11:23:24,209 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,210 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,210 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,210 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-22 11:23:24,210 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-22 11:23:24,210 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-22 11:23:24,210 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-22 11:23:24,210 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-22 11:23:24,210 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-22 11:23:24,210 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-22 11:23:24,210 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,210 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,210 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,211 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-22 11:23:24,211 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-22 11:23:24,211 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-22 11:23:24,211 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-22 11:23:24,211 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-22 11:23:24,211 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2019-10-22 11:23:24,211 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,211 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,211 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,212 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-22 11:23:24,212 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-22 11:23:24,212 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-22 11:23:24,212 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-22 11:23:24,212 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-22 11:23:24,212 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-22 11:23:24,212 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-22 11:23:24,212 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-22 11:23:24,212 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,212 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,213 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,213 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-22 11:23:24,213 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-22 11:23:24,213 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-22 11:23:24,213 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-22 11:23:24,213 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-22 11:23:24,213 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-22 11:23:24,213 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-22 11:23:24,213 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-22 11:23:24,213 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,214 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,214 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,214 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-22 11:23:24,214 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-22 11:23:24,214 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-22 11:23:24,214 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-22 11:23:24,214 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-22 11:23:24,214 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-22 11:23:24,214 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-22 11:23:24,214 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-22 11:23:24,215 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-22 11:23:24,215 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,215 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,215 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,215 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-22 11:23:24,215 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-22 11:23:24,215 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-22 11:23:24,215 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-22 11:23:24,215 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-22 11:23:24,215 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-22 11:23:24,216 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,216 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,216 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,216 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-22 11:23:24,216 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-22 11:23:24,216 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-22 11:23:24,216 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-22 11:23:24,216 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-22 11:23:24,216 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:24,216 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-22 11:23:24,217 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-22 11:23:24,217 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-22 11:23:24,217 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,217 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,217 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,217 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-22 11:23:24,217 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-22 11:23:24,217 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-22 11:23:24,217 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-22 11:23:24,217 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-22 11:23:24,218 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,218 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,218 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,218 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-22 11:23:24,218 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-22 11:23:24,218 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-22 11:23:24,218 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-22 11:23:24,218 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-22 11:23:24,218 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-22 11:23:24,218 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-22 11:23:24,219 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-22 11:23:24,219 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-22 11:23:24,219 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-22 11:23:24,219 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:23:24,219 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-22 11:23:24,219 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,219 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,219 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-22 11:23:24,219 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-22 11:23:24,219 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-22 11:23:24,219 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-22 11:23:24,220 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-22 11:23:24,220 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-22 11:23:24,220 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-22 11:23:24,220 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-22 11:23:24,220 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-22 11:23:24,221 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse13 (not (= 8 ~a28~0))) (.cse10 (= ~a19~0 1)) (.cse11 (not (= ~a17~0 9)))) (let ((.cse6 (= ~a25~0 1)) (.cse0 (and .cse13 .cse10 .cse11)) (.cse8 (not (= ~a28~0 11)))) (let ((.cse9 (and .cse0 .cse8)) (.cse3 (= ~a28~0 7)) (.cse7 (= ~a11~0 1)) (.cse12 (not .cse6)) (.cse5 (and .cse13 .cse11)) (.cse1 (= 10 ~a28~0)) (.cse2 (= ~a17~0 8)) (.cse4 (<= ~a11~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse7) (and .cse5 .cse1 .cse7) (and .cse6 (and .cse10 .cse3 .cse11)) (and .cse9 .cse4) (and .cse2 .cse3 .cse7) (and .cse12 .cse5 .cse4 .cse8) (and (<= 11 ~a28~0) .cse0 .cse6) (and .cse12 .cse2 .cse4 .cse8) (and .cse5 .cse4 .cse1) (and .cse2 .cse10 .cse4 .cse8))))) [2019-10-22 11:23:24,221 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,221 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,221 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-22 11:23:24,221 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-22 11:23:24,221 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-22 11:23:24,221 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-22 11:23:24,221 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-22 11:23:24,221 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-22 11:23:24,222 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-10-22 11:23:24,222 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,222 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,222 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-22 11:23:24,222 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-22 11:23:24,222 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-22 11:23:24,222 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-22 11:23:24,222 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-22 11:23:24,222 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-22 11:23:24,222 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-22 11:23:24,222 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-22 11:23:24,223 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-22 11:23:24,223 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,223 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,223 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-22 11:23:24,223 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-22 11:23:24,223 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-22 11:23:24,223 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-22 11:23:24,223 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-22 11:23:24,223 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-22 11:23:24,227 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse13 (not (= 8 ~a28~0))) (.cse10 (= ~a19~0 1)) (.cse11 (not (= ~a17~0 9)))) (let ((.cse6 (= ~a25~0 1)) (.cse0 (and .cse13 .cse10 .cse11)) (.cse8 (not (= ~a28~0 11)))) (let ((.cse9 (and .cse0 .cse8)) (.cse3 (= ~a28~0 7)) (.cse7 (= ~a11~0 1)) (.cse12 (not .cse6)) (.cse5 (and .cse13 .cse11)) (.cse1 (= 10 ~a28~0)) (.cse2 (= ~a17~0 8)) (.cse4 (<= ~a11~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse7) (and .cse5 .cse1 .cse7) (and .cse6 (and .cse10 .cse3 .cse11)) (and .cse9 .cse4) (and .cse2 .cse3 .cse7) (and .cse12 .cse5 .cse4 .cse8) (and (<= 11 ~a28~0) .cse0 .cse6) (and .cse12 .cse2 .cse4 .cse8) (and .cse5 .cse4 .cse1) (and .cse2 .cse10 .cse4 .cse8))))) [2019-10-22 11:23:24,227 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,227 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,227 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-22 11:23:24,228 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-22 11:23:24,228 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-22 11:23:24,228 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-22 11:23:24,228 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-22 11:23:24,228 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,228 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,228 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-22 11:23:24,228 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-22 11:23:24,228 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-22 11:23:24,228 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-22 11:23:24,228 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-22 11:23:24,229 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-22 11:23:24,229 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-22 11:23:24,229 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-22 11:23:24,229 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-22 11:23:24,229 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,229 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,229 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-22 11:23:24,229 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,229 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-22 11:23:24,229 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-22 11:23:24,229 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-22 11:23:24,230 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-22 11:23:24,230 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-22 11:23:24,230 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:24,230 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-22 11:23:24,230 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,230 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,230 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,230 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-22 11:23:24,230 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-22 11:23:24,230 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-22 11:23:24,231 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-22 11:23:24,231 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-22 11:23:24,231 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,231 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,231 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,231 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-22 11:23:24,231 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-22 11:23:24,231 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-22 11:23:24,231 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-22 11:23:24,231 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-22 11:23:24,231 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-22 11:23:24,232 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,232 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,232 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,232 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-22 11:23:24,232 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-22 11:23:24,232 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-22 11:23:24,232 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-22 11:23:24,232 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-22 11:23:24,232 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-22 11:23:24,232 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:24,232 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-22 11:23:24,232 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-22 11:23:24,233 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,233 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,233 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,233 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-22 11:23:24,233 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-22 11:23:24,233 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-22 11:23:24,233 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-22 11:23:24,233 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-22 11:23:24,233 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,233 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,233 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 11:23:24,234 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-22 11:23:24,235 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-22 11:23:24,236 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-22 11:23:24,236 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-22 11:23:24,236 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-22 11:23:24,236 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-22 11:23:24,236 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-22 11:23:24,236 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-22 11:23:24,236 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-22 11:23:24,236 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-22 11:23:24,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:24 BoogieIcfgContainer [2019-10-22 11:23:24,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:24,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:24,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:24,278 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:24,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:14" (3/4) ... [2019-10-22 11:23:24,283 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:24,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:23:24,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:24,445 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a1804678-2b3b-4953-a5ea-41aba54ed393/bin/utaipan/witness.graphml [2019-10-22 11:23:24,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:24,450 INFO L168 Benchmark]: Toolchain (without parser) took 11632.94 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 408.4 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -215.5 MB). Peak memory consumption was 192.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:24,450 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:24,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:24,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:24,451 INFO L168 Benchmark]: Boogie Preprocessor took 77.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:24,452 INFO L168 Benchmark]: RCFGBuilder took 1230.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.8 MB in the end (delta: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:24,452 INFO L168 Benchmark]: TraceAbstraction took 9334.71 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 283.6 MB). Free memory was 982.8 MB in the beginning and 1.2 GB in the end (delta: -195.1 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:24,452 INFO L168 Benchmark]: Witness Printer took 170.12 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:24,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 710.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1230.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.8 MB in the end (delta: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9334.71 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 283.6 MB). Free memory was 982.8 MB in the beginning and 1.2 GB in the end (delta: -195.1 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. * Witness Printer took 170.12 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 472]: 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) && a19 == 1) && !(a17 == 9)) && 10 == a28) || ((a17 == 8 && a28 == 7) && a11 <= 0)) || ((((!(8 == a28) && !(a17 == 9)) && a25 == 1) && a11 == 1) && !(a28 == 11))) || ((((!(8 == a28) && a19 == 1) && !(a17 == 9)) && !(a28 == 11)) && a11 == 1)) || (((!(8 == a28) && !(a17 == 9)) && 10 == a28) && a11 == 1)) || (a25 == 1 && (a19 == 1 && a28 == 7) && !(a17 == 9))) || ((((!(8 == a28) && a19 == 1) && !(a17 == 9)) && !(a28 == 11)) && a11 <= 0)) || ((a17 == 8 && a28 == 7) && a11 == 1)) || (((!(a25 == 1) && !(8 == a28) && !(a17 == 9)) && a11 <= 0) && !(a28 == 11))) || ((11 <= a28 && (!(8 == a28) && a19 == 1) && !(a17 == 9)) && a25 == 1)) || (((!(a25 == 1) && a17 == 8) && a11 <= 0) && !(a28 == 11))) || (((!(8 == a28) && !(a17 == 9)) && a11 <= 0) && 10 == a28)) || (((a17 == 8 && a19 == 1) && a11 <= 0) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((((((!(8 == a28) && a19 == 1) && !(a17 == 9)) && 10 == a28) || ((a17 == 8 && a28 == 7) && a11 <= 0)) || ((((!(8 == a28) && !(a17 == 9)) && a25 == 1) && a11 == 1) && !(a28 == 11))) || ((((!(8 == a28) && a19 == 1) && !(a17 == 9)) && !(a28 == 11)) && a11 == 1)) || (((!(8 == a28) && !(a17 == 9)) && 10 == a28) && a11 == 1)) || (a25 == 1 && (a19 == 1 && a28 == 7) && !(a17 == 9))) || ((((!(8 == a28) && a19 == 1) && !(a17 == 9)) && !(a28 == 11)) && a11 <= 0)) || ((a17 == 8 && a28 == 7) && a11 == 1)) || (((!(a25 == 1) && !(8 == a28) && !(a17 == 9)) && a11 <= 0) && !(a28 == 11))) || ((11 <= a28 && (!(8 == a28) && a19 == 1) && !(a17 == 9)) && a25 == 1)) || (((!(a25 == 1) && a17 == 8) && a11 <= 0) && !(a28 == 11))) || (((!(8 == a28) && !(a17 == 9)) && a11 <= 0) && 10 == a28)) || (((a17 == 8 && a19 == 1) && a11 <= 0) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 9.2s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1065 SDtfs, 1945 SDslu, 163 SDs, 0 SdLazy, 3995 SolverSat, 768 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 670 GetRequests, 644 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2965occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 990 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 431 HoareAnnotationTreeSize, 3 FomulaSimplifications, 222 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 848 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1780 NumberOfCodeBlocks, 1780 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2084 ConstructedInterpolants, 0 QuantifiedInterpolants, 610649 SizeOfPredicates, 1 NumberOfNonLiveVariables, 580 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 1025/1027 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...