./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label43.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_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label43.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/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 34fdc62899dd0d13cba90ab54d1289d04fc22048 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:26:53,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:53,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:53,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:53,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:53,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:53,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:53,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:53,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:53,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:53,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:53,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:53,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:53,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:53,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:53,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:53,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:53,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:53,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:53,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:53,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:53,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:53,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:53,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:53,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:53,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:53,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:53,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:53,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:53,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:53,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:53,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:53,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:53,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:53,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:53,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:53,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:53,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:53,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:53,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:53,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:53,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:53,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:53,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:53,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:53,095 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:53,096 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:53,096 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:53,096 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:53,096 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:53,096 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:53,096 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:53,097 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:53,097 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:53,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:53,097 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:53,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:53,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:53,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:53,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:53,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:53,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:53,099 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:53,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:53,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:53,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:53,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:53,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:53,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:53,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:53,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:53,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:53,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:53,100 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:53,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:53,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:53,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:53,101 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_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/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 -> 34fdc62899dd0d13cba90ab54d1289d04fc22048 [2019-10-22 11:26:53,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:53,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:53,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:53,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:53,152 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:53,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label43.c [2019-10-22 11:26:53,198 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/bin/utaipan/data/f416b99d4/ed68cc774bce46e0a45594faa095def3/FLAGb26db0345 [2019-10-22 11:26:53,698 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:53,701 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/sv-benchmarks/c/eca-rers2012/Problem10_label43.c [2019-10-22 11:26:53,713 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/bin/utaipan/data/f416b99d4/ed68cc774bce46e0a45594faa095def3/FLAGb26db0345 [2019-10-22 11:26:54,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/bin/utaipan/data/f416b99d4/ed68cc774bce46e0a45594faa095def3 [2019-10-22 11:26:54,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:54,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:54,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:54,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:54,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:54,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d076bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54, skipping insertion in model container [2019-10-22 11:26:54,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,194 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:54,236 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:54,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:54,706 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:54,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:54,803 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:54,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54 WrapperNode [2019-10-22 11:26:54,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:54,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:54,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:54,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:54,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:54,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:54,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:54,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:54,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... [2019-10-22 11:26:54,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:54,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:54,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:54,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:54,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/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 11:26:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:56,531 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:56,531 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:26:56,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:56 BoogieIcfgContainer [2019-10-22 11:26:56,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:56,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:56,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:56,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:56,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:54" (1/3) ... [2019-10-22 11:26:56,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2aa29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:56, skipping insertion in model container [2019-10-22 11:26:56,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:54" (2/3) ... [2019-10-22 11:26:56,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2aa29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:56, skipping insertion in model container [2019-10-22 11:26:56,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:56" (3/3) ... [2019-10-22 11:26:56,539 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2019-10-22 11:26:56,548 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:56,556 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:26:56,566 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:26:56,589 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:56,589 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:56,589 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:56,589 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:56,595 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:56,596 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:56,596 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:56,596 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:56,617 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-10-22 11:26:56,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:26:56,624 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:56,625 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] [2019-10-22 11:26:56,627 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:56,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:56,633 INFO L82 PathProgramCache]: Analyzing trace with hash -596708735, now seen corresponding path program 1 times [2019-10-22 11:26:56,642 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:56,642 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773238949] [2019-10-22 11:26:56,642 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:56,643 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:56,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:56,910 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 11:26:56,911 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773238949] [2019-10-22 11:26:56,912 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:56,912 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:56,912 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962082897] [2019-10-22 11:26:56,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:26:56,919 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:56,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:26:56,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:26:56,936 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-10-22 11:26:58,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:58,566 INFO L93 Difference]: Finished difference Result 694 states and 1246 transitions. [2019-10-22 11:26:58,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:26:58,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2019-10-22 11:26:58,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:58,583 INFO L225 Difference]: With dead ends: 694 [2019-10-22 11:26:58,583 INFO L226 Difference]: Without dead ends: 421 [2019-10-22 11:26:58,587 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 11:26:58,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-10-22 11:26:58,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2019-10-22 11:26:58,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-22 11:26:58,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 566 transitions. [2019-10-22 11:26:58,674 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 566 transitions. Word has length 35 [2019-10-22 11:26:58,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:58,676 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 566 transitions. [2019-10-22 11:26:58,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:26:58,677 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 566 transitions. [2019-10-22 11:26:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-22 11:26:58,681 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:58,682 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] [2019-10-22 11:26:58,682 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:58,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:58,683 INFO L82 PathProgramCache]: Analyzing trace with hash -613033752, now seen corresponding path program 1 times [2019-10-22 11:26:58,683 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:58,683 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774595729] [2019-10-22 11:26:58,684 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:58,684 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:58,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:58,959 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:58,959 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774595729] [2019-10-22 11:26:58,959 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234473268] [2019-10-22 11:26:58,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/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 11:26:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:59,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-22 11:26:59,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:26:59,086 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:59,086 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:59,267 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:26:59,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:26:59,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 11:26:59,298 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 11:26:59,546 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 11:26:59,547 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-22 11:26:59,547 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 10 [2019-10-22 11:26:59,547 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956403771] [2019-10-22 11:26:59,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:59,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:59,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:59,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:26:59,549 INFO L87 Difference]: Start difference. First operand 421 states and 566 transitions. Second operand 5 states. [2019-10-22 11:27:00,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:00,797 INFO L93 Difference]: Finished difference Result 1061 states and 1401 transitions. [2019-10-22 11:27:00,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:27:00,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2019-10-22 11:27:00,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:00,801 INFO L225 Difference]: With dead ends: 1061 [2019-10-22 11:27:00,801 INFO L226 Difference]: Without dead ends: 623 [2019-10-22 11:27:00,803 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:27:00,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2019-10-22 11:27:00,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 421. [2019-10-22 11:27:00,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-22 11:27:00,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 563 transitions. [2019-10-22 11:27:00,843 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 563 transitions. Word has length 110 [2019-10-22 11:27:00,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:00,844 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 563 transitions. [2019-10-22 11:27:00,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:00,844 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 563 transitions. [2019-10-22 11:27:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-22 11:27:00,848 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:00,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:01,049 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:01,050 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:01,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:01,050 INFO L82 PathProgramCache]: Analyzing trace with hash 704969218, now seen corresponding path program 1 times [2019-10-22 11:27:01,050 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:01,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700103865] [2019-10-22 11:27:01,051 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:01,051 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:01,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:01,457 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:01,457 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700103865] [2019-10-22 11:27:01,457 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754812662] [2019-10-22 11:27:01,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/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 11:27:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:01,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:27:01,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:01,587 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-22 11:27:01,589 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-22 11:27:01,622 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:27:01,622 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [5] total 6 [2019-10-22 11:27:01,622 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937715839] [2019-10-22 11:27:01,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:01,625 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:01,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:01,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:27:01,625 INFO L87 Difference]: Start difference. First operand 421 states and 563 transitions. Second operand 3 states. [2019-10-22 11:27:02,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:02,226 INFO L93 Difference]: Finished difference Result 840 states and 1124 transitions. [2019-10-22 11:27:02,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:02,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-22 11:27:02,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:02,229 INFO L225 Difference]: With dead ends: 840 [2019-10-22 11:27:02,229 INFO L226 Difference]: Without dead ends: 838 [2019-10-22 11:27:02,233 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 290 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:27:02,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-10-22 11:27:02,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 560. [2019-10-22 11:27:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2019-10-22 11:27:02,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 776 transitions. [2019-10-22 11:27:02,255 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 776 transitions. Word has length 146 [2019-10-22 11:27:02,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:02,256 INFO L462 AbstractCegarLoop]: Abstraction has 560 states and 776 transitions. [2019-10-22 11:27:02,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 776 transitions. [2019-10-22 11:27:02,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-22 11:27:02,258 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:02,259 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:02,459 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:02,460 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:02,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:02,460 INFO L82 PathProgramCache]: Analyzing trace with hash 323630998, now seen corresponding path program 1 times [2019-10-22 11:27:02,460 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:02,460 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909973268] [2019-10-22 11:27:02,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:02,461 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:02,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:02,595 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 11:27:02,595 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909973268] [2019-10-22 11:27:02,596 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:02,596 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:27:02,596 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080791172] [2019-10-22 11:27:02,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:27:02,597 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:02,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:27:02,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:02,598 INFO L87 Difference]: Start difference. First operand 560 states and 776 transitions. Second operand 4 states. [2019-10-22 11:27:03,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:03,484 INFO L93 Difference]: Finished difference Result 1674 states and 2267 transitions. [2019-10-22 11:27:03,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:27:03,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2019-10-22 11:27:03,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:03,488 INFO L225 Difference]: With dead ends: 1674 [2019-10-22 11:27:03,488 INFO L226 Difference]: Without dead ends: 1116 [2019-10-22 11:27:03,489 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 11:27:03,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-10-22 11:27:03,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 838. [2019-10-22 11:27:03,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2019-10-22 11:27:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1077 transitions. [2019-10-22 11:27:03,508 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1077 transitions. Word has length 153 [2019-10-22 11:27:03,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:03,509 INFO L462 AbstractCegarLoop]: Abstraction has 838 states and 1077 transitions. [2019-10-22 11:27:03,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:27:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1077 transitions. [2019-10-22 11:27:03,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-22 11:27:03,511 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:03,512 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:03,512 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:03,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:03,512 INFO L82 PathProgramCache]: Analyzing trace with hash 232330245, now seen corresponding path program 1 times [2019-10-22 11:27:03,512 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:03,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111264883] [2019-10-22 11:27:03,513 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:03,513 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:03,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:03,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111264883] [2019-10-22 11:27:03,651 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:03,651 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:03,651 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612972326] [2019-10-22 11:27:03,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:27:03,652 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:03,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:27:03,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:03,653 INFO L87 Difference]: Start difference. First operand 838 states and 1077 transitions. Second operand 4 states. [2019-10-22 11:27:04,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:04,613 INFO L93 Difference]: Finished difference Result 1952 states and 2508 transitions. [2019-10-22 11:27:04,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:27:04,614 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 179 [2019-10-22 11:27:04,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:04,618 INFO L225 Difference]: With dead ends: 1952 [2019-10-22 11:27:04,619 INFO L226 Difference]: Without dead ends: 1116 [2019-10-22 11:27:04,620 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 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 11:27:04,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-10-22 11:27:04,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2019-10-22 11:27:04,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-10-22 11:27:04,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1364 transitions. [2019-10-22 11:27:04,645 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1364 transitions. Word has length 179 [2019-10-22 11:27:04,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:04,646 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1364 transitions. [2019-10-22 11:27:04,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:27:04,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1364 transitions. [2019-10-22 11:27:04,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-22 11:27:04,649 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:04,649 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 11:27:04,650 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:04,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:04,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1298073363, now seen corresponding path program 1 times [2019-10-22 11:27:04,650 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:04,650 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625223117] [2019-10-22 11:27:04,650 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:04,651 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:04,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-22 11:27:04,816 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625223117] [2019-10-22 11:27:04,816 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:04,817 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:04,817 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924302597] [2019-10-22 11:27:04,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:04,817 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:04,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:04,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:04,818 INFO L87 Difference]: Start difference. First operand 1116 states and 1364 transitions. Second operand 5 states. [2019-10-22 11:27:06,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:06,282 INFO L93 Difference]: Finished difference Result 4037 states and 4933 transitions. [2019-10-22 11:27:06,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:27:06,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2019-10-22 11:27:06,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:06,292 INFO L225 Difference]: With dead ends: 4037 [2019-10-22 11:27:06,292 INFO L226 Difference]: Without dead ends: 2923 [2019-10-22 11:27:06,294 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:06,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2923 states. [2019-10-22 11:27:06,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2923 to 1950. [2019-10-22 11:27:06,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2019-10-22 11:27:06,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2327 transitions. [2019-10-22 11:27:06,342 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2327 transitions. Word has length 196 [2019-10-22 11:27:06,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:06,343 INFO L462 AbstractCegarLoop]: Abstraction has 1950 states and 2327 transitions. [2019-10-22 11:27:06,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:06,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2327 transitions. [2019-10-22 11:27:06,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-10-22 11:27:06,350 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:06,351 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 11:27:06,351 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:06,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:06,352 INFO L82 PathProgramCache]: Analyzing trace with hash -457928273, now seen corresponding path program 1 times [2019-10-22 11:27:06,352 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:06,352 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095784354] [2019-10-22 11:27:06,352 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:06,352 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:06,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 275 proven. 6 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-10-22 11:27:06,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095784354] [2019-10-22 11:27:06,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139309989] [2019-10-22 11:27:06,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:06,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:27:06,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-22 11:27:06,786 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-22 11:27:06,864 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:27:06,865 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2019-10-22 11:27:06,865 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233909181] [2019-10-22 11:27:06,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:06,866 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:06,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:06,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:06,866 INFO L87 Difference]: Start difference. First operand 1950 states and 2327 transitions. Second operand 3 states. [2019-10-22 11:27:07,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:07,380 INFO L93 Difference]: Finished difference Result 3898 states and 4652 transitions. [2019-10-22 11:27:07,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:07,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2019-10-22 11:27:07,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:07,386 INFO L225 Difference]: With dead ends: 3898 [2019-10-22 11:27:07,386 INFO L226 Difference]: Without dead ends: 1950 [2019-10-22 11:27:07,388 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 662 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:07,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2019-10-22 11:27:07,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1950. [2019-10-22 11:27:07,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2019-10-22 11:27:07,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2281 transitions. [2019-10-22 11:27:07,428 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2281 transitions. Word has length 332 [2019-10-22 11:27:07,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:07,430 INFO L462 AbstractCegarLoop]: Abstraction has 1950 states and 2281 transitions. [2019-10-22 11:27:07,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:07,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2281 transitions. [2019-10-22 11:27:07,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-10-22 11:27:07,436 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:07,436 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:07,636 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:07,637 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:07,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:07,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1174204095, now seen corresponding path program 1 times [2019-10-22 11:27:07,637 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:07,637 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163421660] [2019-10-22 11:27:07,637 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:07,638 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:07,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-10-22 11:27:07,840 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163421660] [2019-10-22 11:27:07,840 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:07,841 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:07,841 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943935264] [2019-10-22 11:27:07,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:27:07,842 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:07,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:27:07,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:07,842 INFO L87 Difference]: Start difference. First operand 1950 states and 2281 transitions. Second operand 4 states. [2019-10-22 11:27:08,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:08,553 INFO L93 Difference]: Finished difference Result 4869 states and 5640 transitions. [2019-10-22 11:27:08,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:27:08,553 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 341 [2019-10-22 11:27:08,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:08,554 INFO L225 Difference]: With dead ends: 4869 [2019-10-22 11:27:08,554 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:27:08,557 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 11:27:08,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:27:08,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:27:08,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:27:08,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:27:08,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 341 [2019-10-22 11:27:08,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:08,558 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:27:08,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:27:08,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:27:08,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:27:08,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:27:08,958 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 58 [2019-10-22 11:27:09,254 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 58 [2019-10-22 11:27:09,257 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-22 11:27:09,257 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,257 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,257 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,257 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,257 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,257 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,257 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-22 11:27:09,257 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-22 11:27:09,257 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,258 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,259 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-22 11:27:09,259 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-22 11:27:09,259 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-22 11:27:09,259 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-22 11:27:09,259 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 11:27:09,259 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-22 11:27:09,262 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-22 11:27:09,262 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 11:27:09,262 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-22 11:27:09,262 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-22 11:27:09,262 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-22 11:27:09,262 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-22 11:27:09,262 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-22 11:27:09,263 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-22 11:27:09,263 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,263 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,263 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,263 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,263 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,263 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-22 11:27:09,263 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 11:27:09,263 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 11:27:09,263 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-22 11:27:09,263 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-22 11:27:09,264 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-22 11:27:09,264 INFO L439 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse8 (div ~a1~0 5))) (let ((.cse5 (not (= 10 ~a19~0))) (.cse1 (<= 1 ~a10~0)) (.cse2 (or (< 0 (+ .cse8 331283)) (not (= (mod ~a1~0 5) 0)))) (.cse4 (< 0 (+ .cse8 331284))) (.cse0 (= 14 ~a4~0)) (.cse3 (= ~a12~0 0)) (.cse6 (= ~a19~0 8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a19~0 7)) (and .cse1 (and (<= ~a1~0 218) .cse0 .cse3 (< 0 (+ ~a1~0 13)) .cse5) (not .cse6)) (and .cse1 (and (not (= 1 ~a10~0)) .cse5)) (let ((.cse7 (= ~a10~0 0))) (or (and .cse0 (= ~a19~0 9) .cse7 .cse3) (and .cse0 .cse7 .cse2 .cse3 .cse4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~a10~0 4)) (<= 9 ~a19~0)) (and (< 218 ~a1~0) .cse0 (= ~a10~0 1) .cse3 .cse6)))) [2019-10-22 11:27:09,264 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-22 11:27:09,264 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-22 11:27:09,264 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-22 11:27:09,264 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-22 11:27:09,264 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,264 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,264 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,264 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,265 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,265 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-22 11:27:09,265 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-22 11:27:09,265 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-22 11:27:09,265 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 11:27:09,265 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 11:27:09,265 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L446 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-22 11:27:09,266 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-22 11:27:09,267 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-22 11:27:09,268 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-22 11:27:09,268 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 11:27:09,268 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-22 11:27:09,268 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-22 11:27:09,268 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 11:27:09,268 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-22 11:27:09,268 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-22 11:27:09,268 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:27:09,268 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-22 11:27:09,268 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse8 (div ~a1~0 5))) (let ((.cse5 (not (= 10 ~a19~0))) (.cse1 (<= 1 ~a10~0)) (.cse2 (or (< 0 (+ .cse8 331283)) (not (= (mod ~a1~0 5) 0)))) (.cse4 (< 0 (+ .cse8 331284))) (.cse0 (= 14 ~a4~0)) (.cse3 (= ~a12~0 0)) (.cse6 (= ~a19~0 8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a19~0 7)) (and .cse1 (and (<= ~a1~0 218) .cse0 .cse3 (< 0 (+ ~a1~0 13)) .cse5) (not .cse6)) (and .cse1 (and (not (= 1 ~a10~0)) .cse5)) (let ((.cse7 (= ~a10~0 0))) (or (and .cse0 (= ~a19~0 9) .cse7 .cse3) (and .cse0 .cse7 .cse2 .cse3 .cse4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~a10~0 4)) (<= 9 ~a19~0)) (and (< 218 ~a1~0) .cse0 (= ~a10~0 1) .cse3 .cse6)))) [2019-10-22 11:27:09,268 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-22 11:27:09,268 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,268 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 11:27:09,269 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-22 11:27:09,270 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-22 11:27:09,270 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-22 11:27:09,270 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-22 11:27:09,271 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,271 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,271 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,272 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,272 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,272 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,272 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-22 11:27:09,272 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-22 11:27:09,272 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-22 11:27:09,272 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:27:09,272 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-22 11:27:09,272 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-22 11:27:09,272 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-22 11:27:09,272 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-22 11:27:09,273 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2019-10-22 11:27:09,274 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,275 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,275 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,275 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,275 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,275 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,275 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-22 11:27:09,275 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-22 11:27:09,275 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-22 11:27:09,277 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-22 11:27:09,277 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 11:27:09,277 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-22 11:27:09,278 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-22 11:27:09,279 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-22 11:27:09,279 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-22 11:27:09,279 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-22 11:27:09,279 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 11:27:09,279 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 11:27:09,279 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-22 11:27:09,279 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-22 11:27:09,279 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-22 11:27:09,279 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-22 11:27:09,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:09 BoogieIcfgContainer [2019-10-22 11:27:09,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:09,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:09,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:09,311 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:09,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:56" (3/4) ... [2019-10-22 11:27:09,314 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:27:09,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:27:09,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:27:09,474 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a118e6a3-7885-4561-a9b5-3fd9b96f6c8b/bin/utaipan/witness.graphml [2019-10-22 11:27:09,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:09,478 INFO L168 Benchmark]: Toolchain (without parser) took 15298.41 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 371.2 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -116.6 MB). Peak memory consumption was 254.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:09,478 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:09,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:09,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.23 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:09,479 INFO L168 Benchmark]: Boogie Preprocessor took 73.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:09,479 INFO L168 Benchmark]: RCFGBuilder took 1569.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.0 MB in the end (delta: 111.3 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:09,480 INFO L168 Benchmark]: TraceAbstraction took 12776.67 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 238.6 MB). Free memory was 985.0 MB in the beginning and 1.1 GB in the end (delta: -94.3 MB). Peak memory consumption was 144.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:09,480 INFO L168 Benchmark]: Witness Printer took 165.97 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:09,481 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 623.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.23 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1569.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.0 MB in the end (delta: 111.3 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12776.67 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 238.6 MB). Free memory was 985.0 MB in the beginning and 1.1 GB in the end (delta: -94.3 MB). Peak memory consumption was 144.2 MB. Max. memory is 11.5 GB. * Witness Printer took 165.97 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((14 == a4 && 1 <= a10) && (0 < a1 / 5 + 331283 || !(a1 % 5 == 0))) && a12 == 0) && 0 < a1 / 5 + 331284) && a19 == 7) || ((1 <= a10 && (((a1 <= 218 && 14 == a4) && a12 == 0) && 0 < a1 + 13) && !(10 == a19)) && !(a19 == 8))) || (1 <= a10 && !(1 == a10) && !(10 == a19))) || (((14 == a4 && a19 == 9) && a10 == 0) && a12 == 0) || ((((14 == a4 && a10 == 0) && (0 < a1 / 5 + 331283 || !(a1 % 5 == 0))) && a12 == 0) && 0 < a1 / 5 + 331284)) || ((((((14 == a4 && 1 <= a10) && (0 < a1 / 5 + 331283 || !(a1 % 5 == 0))) && a12 == 0) && 0 < a1 / 5 + 331284) && !(a10 == 4)) && 9 <= a19)) || ((((218 < a1 && 14 == a4) && a10 == 1) && a12 == 0) && a19 == 8) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((14 == a4 && 1 <= a10) && (0 < a1 / 5 + 331283 || !(a1 % 5 == 0))) && a12 == 0) && 0 < a1 / 5 + 331284) && a19 == 7) || ((1 <= a10 && (((a1 <= 218 && 14 == a4) && a12 == 0) && 0 < a1 + 13) && !(10 == a19)) && !(a19 == 8))) || (1 <= a10 && !(1 == a10) && !(10 == a19))) || (((14 == a4 && a19 == 9) && a10 == 0) && a12 == 0) || ((((14 == a4 && a10 == 0) && (0 < a1 / 5 + 331283 || !(a1 % 5 == 0))) && a12 == 0) && 0 < a1 / 5 + 331284)) || ((((((14 == a4 && 1 <= a10) && (0 < a1 / 5 + 331283 || !(a1 % 5 == 0))) && a12 == 0) && 0 < a1 / 5 + 331284) && !(a10 == 4)) && 9 <= a19)) || ((((218 < a1 && 14 == a4) && a10 == 1) && a12 == 0) && a19 == 8) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 12.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 352 SDtfs, 1796 SDslu, 73 SDs, 0 SdLazy, 5065 SolverSat, 1103 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1209 GetRequests, 1172 SyntacticMatches, 9 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1950occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1731 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 50 NumberOfFragments, 349 HoareAnnotationTreeSize, 3 FomulaSimplifications, 8404 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2854 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2080 NumberOfCodeBlocks, 2080 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2654 ConstructedInterpolants, 19 QuantifiedInterpolants, 2132863 SizeOfPredicates, 8 NumberOfNonLiveVariables, 831 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 1831/1886 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...