./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label21.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_312d9178-063c-4436-876f-9397c6c438e9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label21.c -s /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/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 3417c69af9082461360c89228cfebeb34dbd1c6e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:21:34,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:34,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:35,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:35,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:35,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:35,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:35,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:35,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:35,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:35,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:35,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:35,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:35,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:35,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:35,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:35,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:35,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:35,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:35,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:35,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:35,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:35,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:35,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:35,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:35,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:35,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:35,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:35,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:35,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:35,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:35,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:35,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:35,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:35,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:35,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:35,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:35,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:35,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:35,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:35,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:35,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:21:35,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:35,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:35,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:35,054 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:35,054 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:35,054 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:35,054 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:35,054 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:35,054 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:35,055 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:35,055 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:35,055 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:35,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:35,056 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:35,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:35,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:35,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:35,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:35,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:35,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:35,058 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:35,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:35,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:35,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:35,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:35,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:35,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:35,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:35,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:35,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:35,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:35,060 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:35,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:35,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:35,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:35,060 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_312d9178-063c-4436-876f-9397c6c438e9/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 -> 3417c69af9082461360c89228cfebeb34dbd1c6e [2019-10-22 11:21:35,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:35,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:35,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:35,122 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:35,122 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:35,123 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label21.c [2019-10-22 11:21:35,172 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/bin/utaipan/data/3394f3c15/e850254e5e6c4b52b93de3eb12ecdc01/FLAG37289db60 [2019-10-22 11:21:35,683 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:35,684 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/sv-benchmarks/c/eca-rers2012/Problem11_label21.c [2019-10-22 11:21:35,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/bin/utaipan/data/3394f3c15/e850254e5e6c4b52b93de3eb12ecdc01/FLAG37289db60 [2019-10-22 11:21:36,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/bin/utaipan/data/3394f3c15/e850254e5e6c4b52b93de3eb12ecdc01 [2019-10-22 11:21:36,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:36,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:36,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:36,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:36,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:36,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22637c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36, skipping insertion in model container [2019-10-22 11:21:36,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,167 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:36,243 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:36,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:36,759 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:36,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:36,959 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:36,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36 WrapperNode [2019-10-22 11:21:36,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:36,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:36,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:36,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:36,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:37,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:37,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:37,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:37,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:37,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:37,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:37,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:37,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:37,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:37,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:37,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:37,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:37,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:37,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:37,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:37,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/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 11:21:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:37,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:38,994 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:38,995 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:21:38,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:38 BoogieIcfgContainer [2019-10-22 11:21:38,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:38,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:38,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:39,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:39,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:36" (1/3) ... [2019-10-22 11:21:39,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f23781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:39, skipping insertion in model container [2019-10-22 11:21:39,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (2/3) ... [2019-10-22 11:21:39,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f23781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:39, skipping insertion in model container [2019-10-22 11:21:39,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:38" (3/3) ... [2019-10-22 11:21:39,007 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label21.c [2019-10-22 11:21:39,018 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:39,026 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:21:39,041 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:21:39,070 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:39,070 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:39,071 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:39,071 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:39,071 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:39,071 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:39,071 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:39,071 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2019-10-22 11:21:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:21:39,113 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:39,114 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] [2019-10-22 11:21:39,116 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:39,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:39,122 INFO L82 PathProgramCache]: Analyzing trace with hash -593706766, now seen corresponding path program 1 times [2019-10-22 11:21:39,131 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:39,132 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488702353] [2019-10-22 11:21:39,132 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,132 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:39,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:39,403 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 11:21:39,405 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488702353] [2019-10-22 11:21:39,406 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:39,406 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:39,407 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779776391] [2019-10-22 11:21:39,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:39,412 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:39,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:39,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:39,427 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 4 states. [2019-10-22 11:21:41,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:41,147 INFO L93 Difference]: Finished difference Result 959 states and 1737 transitions. [2019-10-22 11:21:41,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:41,150 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-10-22 11:21:41,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:41,169 INFO L225 Difference]: With dead ends: 959 [2019-10-22 11:21:41,172 INFO L226 Difference]: Without dead ends: 609 [2019-10-22 11:21:41,176 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 11:21:41,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2019-10-22 11:21:41,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 595. [2019-10-22 11:21:41,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2019-10-22 11:21:41,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 905 transitions. [2019-10-22 11:21:41,253 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 905 transitions. Word has length 24 [2019-10-22 11:21:41,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:41,253 INFO L462 AbstractCegarLoop]: Abstraction has 595 states and 905 transitions. [2019-10-22 11:21:41,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 905 transitions. [2019-10-22 11:21:41,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-10-22 11:21:41,256 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:41,256 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:41,256 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:41,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:41,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1194274034, now seen corresponding path program 1 times [2019-10-22 11:21:41,259 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:41,259 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656778881] [2019-10-22 11:21:41,259 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:41,259 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:41,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:41,504 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:41,505 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656778881] [2019-10-22 11:21:41,506 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:41,506 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:41,506 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673635719] [2019-10-22 11:21:41,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:41,508 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:41,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:41,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:41,508 INFO L87 Difference]: Start difference. First operand 595 states and 905 transitions. Second operand 4 states. [2019-10-22 11:21:42,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:42,986 INFO L93 Difference]: Finished difference Result 2305 states and 3518 transitions. [2019-10-22 11:21:42,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:42,987 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2019-10-22 11:21:42,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:42,993 INFO L225 Difference]: With dead ends: 2305 [2019-10-22 11:21:42,993 INFO L226 Difference]: Without dead ends: 1712 [2019-10-22 11:21:42,996 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 11:21:42,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2019-10-22 11:21:43,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1528. [2019-10-22 11:21:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1528 states. [2019-10-22 11:21:43,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 2081 transitions. [2019-10-22 11:21:43,038 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 2081 transitions. Word has length 105 [2019-10-22 11:21:43,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:43,039 INFO L462 AbstractCegarLoop]: Abstraction has 1528 states and 2081 transitions. [2019-10-22 11:21:43,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:43,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2081 transitions. [2019-10-22 11:21:43,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-22 11:21:43,044 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:43,045 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:21:43,045 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:43,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:43,045 INFO L82 PathProgramCache]: Analyzing trace with hash -537546950, now seen corresponding path program 1 times [2019-10-22 11:21:43,046 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:43,046 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683051403] [2019-10-22 11:21:43,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:43,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:43,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:43,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683051403] [2019-10-22 11:21:43,591 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:43,591 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 11:21:43,591 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378029273] [2019-10-22 11:21:43,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:21:43,592 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:43,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:21:43,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:43,594 INFO L87 Difference]: Start difference. First operand 1528 states and 2081 transitions. Second operand 8 states. [2019-10-22 11:21:44,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:44,799 INFO L93 Difference]: Finished difference Result 3265 states and 4396 transitions. [2019-10-22 11:21:44,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:44,801 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 163 [2019-10-22 11:21:44,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:44,807 INFO L225 Difference]: With dead ends: 3265 [2019-10-22 11:21:44,807 INFO L226 Difference]: Without dead ends: 1739 [2019-10-22 11:21:44,809 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:44,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1739 states. [2019-10-22 11:21:44,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1739 to 1713. [2019-10-22 11:21:44,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1713 states. [2019-10-22 11:21:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2272 transitions. [2019-10-22 11:21:44,842 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2272 transitions. Word has length 163 [2019-10-22 11:21:44,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:44,843 INFO L462 AbstractCegarLoop]: Abstraction has 1713 states and 2272 transitions. [2019-10-22 11:21:44,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:21:44,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2272 transitions. [2019-10-22 11:21:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-22 11:21:44,853 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:44,853 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, 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, 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 11:21:44,853 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:44,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:44,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1825817793, now seen corresponding path program 1 times [2019-10-22 11:21:44,854 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:44,854 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881983345] [2019-10-22 11:21:44,854 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:44,854 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:44,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 66 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:45,177 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881983345] [2019-10-22 11:21:45,177 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942585857] [2019-10-22 11:21:45,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/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 11:21:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:45,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:21:45,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:45,304 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,307 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,309 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,324 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,326 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,331 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,332 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,344 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,346 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,373 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,718 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 20 [2019-10-22 11:21:45,846 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 69 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:45,847 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:45,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:45,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 11:21:45,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 11:21:45,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 11:21:45,899 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-22 11:21:45,899 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-22 11:21:45,899 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8, 4] total 12 [2019-10-22 11:21:45,900 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754952768] [2019-10-22 11:21:45,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:45,900 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:45,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:45,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:21:45,901 INFO L87 Difference]: Start difference. First operand 1713 states and 2272 transitions. Second operand 3 states. [2019-10-22 11:21:46,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:46,772 INFO L93 Difference]: Finished difference Result 4713 states and 6363 transitions. [2019-10-22 11:21:46,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:46,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-10-22 11:21:46,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:46,789 INFO L225 Difference]: With dead ends: 4713 [2019-10-22 11:21:46,789 INFO L226 Difference]: Without dead ends: 3187 [2019-10-22 11:21:46,792 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:21:46,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3187 states. [2019-10-22 11:21:46,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3187 to 3001. [2019-10-22 11:21:46,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3001 states. [2019-10-22 11:21:46,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 3883 transitions. [2019-10-22 11:21:46,853 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 3883 transitions. Word has length 206 [2019-10-22 11:21:46,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:46,854 INFO L462 AbstractCegarLoop]: Abstraction has 3001 states and 3883 transitions. [2019-10-22 11:21:46,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:46,854 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 3883 transitions. [2019-10-22 11:21:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2019-10-22 11:21:46,860 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:46,861 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 11:21:47,061 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:47,062 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:47,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:47,062 INFO L82 PathProgramCache]: Analyzing trace with hash -690113091, now seen corresponding path program 1 times [2019-10-22 11:21:47,062 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:47,063 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765539171] [2019-10-22 11:21:47,065 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:47,065 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:47,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:47,284 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 204 proven. 4 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-22 11:21:47,284 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765539171] [2019-10-22 11:21:47,284 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794054011] [2019-10-22 11:21:47,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/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 11:21:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:47,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:47,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-10-22 11:21:47,452 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:47,544 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-10-22 11:21:47,545 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:21:47,545 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2019-10-22 11:21:47,545 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838810441] [2019-10-22 11:21:47,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:47,550 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:47,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:47,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:47,551 INFO L87 Difference]: Start difference. First operand 3001 states and 3883 transitions. Second operand 3 states. [2019-10-22 11:21:48,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:48,291 INFO L93 Difference]: Finished difference Result 6735 states and 8908 transitions. [2019-10-22 11:21:48,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:48,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 299 [2019-10-22 11:21:48,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:48,308 INFO L225 Difference]: With dead ends: 6735 [2019-10-22 11:21:48,308 INFO L226 Difference]: Without dead ends: 3921 [2019-10-22 11:21:48,312 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 600 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:48,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3921 states. [2019-10-22 11:21:48,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3921 to 3921. [2019-10-22 11:21:48,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3921 states. [2019-10-22 11:21:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3921 states to 3921 states and 5000 transitions. [2019-10-22 11:21:48,381 INFO L78 Accepts]: Start accepts. Automaton has 3921 states and 5000 transitions. Word has length 299 [2019-10-22 11:21:48,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:48,381 INFO L462 AbstractCegarLoop]: Abstraction has 3921 states and 5000 transitions. [2019-10-22 11:21:48,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 3921 states and 5000 transitions. [2019-10-22 11:21:48,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2019-10-22 11:21:48,388 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:48,389 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, 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, 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, 1, 1, 1, 1, 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 11:21:48,589 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:48,590 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:48,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:48,590 INFO L82 PathProgramCache]: Analyzing trace with hash -329451272, now seen corresponding path program 1 times [2019-10-22 11:21:48,591 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:48,591 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599812838] [2019-10-22 11:21:48,591 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:48,591 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:48,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-10-22 11:21:48,805 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599812838] [2019-10-22 11:21:48,805 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:48,805 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:48,806 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280365848] [2019-10-22 11:21:48,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:48,806 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:48,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:48,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:48,807 INFO L87 Difference]: Start difference. First operand 3921 states and 5000 transitions. Second operand 4 states. [2019-10-22 11:21:49,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:49,931 INFO L93 Difference]: Finished difference Result 10064 states and 12915 transitions. [2019-10-22 11:21:49,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:49,931 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 351 [2019-10-22 11:21:49,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:49,948 INFO L225 Difference]: With dead ends: 10064 [2019-10-22 11:21:49,948 INFO L226 Difference]: Without dead ends: 6330 [2019-10-22 11:21:49,952 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 11:21:49,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6330 states. [2019-10-22 11:21:50,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6330 to 5392. [2019-10-22 11:21:50,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5392 states. [2019-10-22 11:21:50,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5392 states to 5392 states and 6638 transitions. [2019-10-22 11:21:50,038 INFO L78 Accepts]: Start accepts. Automaton has 5392 states and 6638 transitions. Word has length 351 [2019-10-22 11:21:50,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:50,038 INFO L462 AbstractCegarLoop]: Abstraction has 5392 states and 6638 transitions. [2019-10-22 11:21:50,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:50,039 INFO L276 IsEmpty]: Start isEmpty. Operand 5392 states and 6638 transitions. [2019-10-22 11:21:50,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2019-10-22 11:21:50,048 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:50,048 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:21:50,049 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:50,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:50,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1740921667, now seen corresponding path program 1 times [2019-10-22 11:21:50,049 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:50,049 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481482947] [2019-10-22 11:21:50,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:50,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:50,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 4 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-22 11:21:50,305 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481482947] [2019-10-22 11:21:50,305 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153489431] [2019-10-22 11:21:50,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/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 11:21:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:50,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:50,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:50,511 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2019-10-22 11:21:50,511 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:50,676 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2019-10-22 11:21:50,676 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:21:50,678 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 4 [2019-10-22 11:21:50,679 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006868340] [2019-10-22 11:21:50,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:50,680 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:50,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:50,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:50,680 INFO L87 Difference]: Start difference. First operand 5392 states and 6638 transitions. Second operand 3 states. [2019-10-22 11:21:51,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:51,621 INFO L93 Difference]: Finished difference Result 13196 states and 16413 transitions. [2019-10-22 11:21:51,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:51,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 383 [2019-10-22 11:21:51,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:51,637 INFO L225 Difference]: With dead ends: 13196 [2019-10-22 11:21:51,637 INFO L226 Difference]: Without dead ends: 7991 [2019-10-22 11:21:51,642 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 765 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:51,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7991 states. [2019-10-22 11:21:51,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7991 to 7988. [2019-10-22 11:21:51,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7988 states. [2019-10-22 11:21:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7988 states to 7988 states and 9709 transitions. [2019-10-22 11:21:51,753 INFO L78 Accepts]: Start accepts. Automaton has 7988 states and 9709 transitions. Word has length 383 [2019-10-22 11:21:51,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:51,753 INFO L462 AbstractCegarLoop]: Abstraction has 7988 states and 9709 transitions. [2019-10-22 11:21:51,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:51,754 INFO L276 IsEmpty]: Start isEmpty. Operand 7988 states and 9709 transitions. [2019-10-22 11:21:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-10-22 11:21:51,764 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:51,765 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:21:51,965 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:51,966 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:51,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:51,966 INFO L82 PathProgramCache]: Analyzing trace with hash -931638831, now seen corresponding path program 1 times [2019-10-22 11:21:51,966 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:51,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67500147] [2019-10-22 11:21:51,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:51,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:51,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:52,186 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-10-22 11:21:52,187 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67500147] [2019-10-22 11:21:52,187 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:52,187 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:52,187 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61578236] [2019-10-22 11:21:52,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:52,188 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:52,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:52,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:52,188 INFO L87 Difference]: Start difference. First operand 7988 states and 9709 transitions. Second operand 3 states. [2019-10-22 11:21:52,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:52,869 INFO L93 Difference]: Finished difference Result 14845 states and 17983 transitions. [2019-10-22 11:21:52,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:52,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 391 [2019-10-22 11:21:52,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:52,898 INFO L225 Difference]: With dead ends: 14845 [2019-10-22 11:21:52,903 INFO L226 Difference]: Without dead ends: 6676 [2019-10-22 11:21:52,909 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:52,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2019-10-22 11:21:53,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 5938. [2019-10-22 11:21:53,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5938 states. [2019-10-22 11:21:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5938 states to 5938 states and 6881 transitions. [2019-10-22 11:21:53,063 INFO L78 Accepts]: Start accepts. Automaton has 5938 states and 6881 transitions. Word has length 391 [2019-10-22 11:21:53,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:53,063 INFO L462 AbstractCegarLoop]: Abstraction has 5938 states and 6881 transitions. [2019-10-22 11:21:53,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 5938 states and 6881 transitions. [2019-10-22 11:21:53,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2019-10-22 11:21:53,078 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:53,078 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2019-10-22 11:21:53,078 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:53,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:53,079 INFO L82 PathProgramCache]: Analyzing trace with hash 407446619, now seen corresponding path program 1 times [2019-10-22 11:21:53,079 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:53,079 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784211636] [2019-10-22 11:21:53,080 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:53,080 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:53,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 368 proven. 186 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2019-10-22 11:21:53,515 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784211636] [2019-10-22 11:21:53,516 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209394752] [2019-10-22 11:21:53,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:53,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:53,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:53,634 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2019-10-22 11:21:53,864 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2019-10-22 11:21:53,970 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:21:53,971 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 9 [2019-10-22 11:21:53,971 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823082396] [2019-10-22 11:21:53,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:53,972 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:53,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:53,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:53,974 INFO L87 Difference]: Start difference. First operand 5938 states and 6881 transitions. Second operand 4 states. [2019-10-22 11:21:55,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:55,255 INFO L93 Difference]: Finished difference Result 7226 states and 8367 transitions. [2019-10-22 11:21:55,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:55,255 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 484 [2019-10-22 11:21:55,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:55,256 INFO L225 Difference]: With dead ends: 7226 [2019-10-22 11:21:55,256 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:21:55,260 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 975 GetRequests, 966 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:21:55,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:21:55,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:21:55,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:21:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:21:55,261 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 484 [2019-10-22 11:21:55,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:55,261 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:21:55,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:55,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:21:55,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:55,462 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:55,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:21:55,726 INFO L443 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-10-22 11:21:55,726 INFO L443 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2019-10-22 11:21:55,727 INFO L443 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2019-10-22 11:21:55,727 INFO L446 ceAbstractionStarter]: At program point L1028(lines 1028 1044) the Hoare annotation is: true [2019-10-22 11:21:55,727 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,727 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,727 INFO L443 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,727 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,727 INFO L443 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,727 INFO L443 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,727 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-10-22 11:21:55,728 INFO L443 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2019-10-22 11:21:55,729 INFO L443 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2019-10-22 11:21:55,730 INFO L443 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,730 INFO L439 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (and (< 140 ~a29~0) .cse0) (and (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) .cse0) (<= ~a4~0 0) (and .cse0 (< 138 ~a23~0)) (and (= 12 ~a25~0) .cse0) (and (= 10 ~a25~0) .cse0))) [2019-10-22 11:21:55,730 INFO L443 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,730 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,730 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,730 INFO L443 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,730 INFO L443 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,730 INFO L443 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,730 INFO L443 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,730 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,730 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-10-22 11:21:55,730 INFO L443 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,731 INFO L443 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,732 INFO L443 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-10-22 11:21:55,732 INFO L443 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2019-10-22 11:21:55,732 INFO L443 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2019-10-22 11:21:55,732 INFO L443 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2019-10-22 11:21:55,732 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,732 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,732 INFO L443 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,733 INFO L443 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,733 INFO L443 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,733 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-22 11:21:55,733 INFO L443 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2019-10-22 11:21:55,734 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2019-10-22 11:21:55,735 INFO L443 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-10-22 11:21:55,736 INFO L443 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2019-10-22 11:21:55,737 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,737 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,737 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 78) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,738 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,739 INFO L443 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,740 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,741 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2019-10-22 11:21:55,741 INFO L443 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2019-10-22 11:21:55,741 INFO L443 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,742 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-22 11:21:55,743 INFO L443 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,744 INFO L443 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,745 INFO L443 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,745 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,746 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-22 11:21:55,747 INFO L443 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-10-22 11:21:55,748 INFO L443 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,748 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,749 INFO L443 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,750 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,751 INFO L443 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,752 INFO L439 ceAbstractionStarter]: At program point L1025(lines 22 1026) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (and (< 140 ~a29~0) .cse0) (and (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) .cse0) (<= ~a4~0 0) (and .cse0 (< 138 ~a23~0)) (and (= 12 ~a25~0) .cse0) (and (= 10 ~a25~0) .cse0))) [2019-10-22 11:21:55,752 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,752 INFO L443 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2019-10-22 11:21:55,752 INFO L443 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2019-10-22 11:21:55,752 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,752 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,752 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2019-10-22 11:21:55,752 INFO L443 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,752 INFO L443 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,752 INFO L443 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 11:21:55,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:55 BoogieIcfgContainer [2019-10-22 11:21:55,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:55,778 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:55,778 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:55,778 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:55,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:38" (3/4) ... [2019-10-22 11:21:55,782 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:21:55,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:21:55,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:21:55,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_312d9178-063c-4436-876f-9397c6c438e9/bin/utaipan/witness.graphml [2019-10-22 11:21:55,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:55,969 INFO L168 Benchmark]: Toolchain (without parser) took 19818.86 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 941.6 MB). Free memory was 935.7 MB in the beginning and 1.3 GB in the end (delta: -385.7 MB). Peak memory consumption was 556.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:55,970 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:55,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:55,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.10 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:55,971 INFO L168 Benchmark]: Boogie Preprocessor took 102.34 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:55,971 INFO L168 Benchmark]: RCFGBuilder took 1811.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 895.5 MB in the end (delta: 173.7 MB). Peak memory consumption was 173.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:55,971 INFO L168 Benchmark]: TraceAbstraction took 16779.27 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 796.4 MB). Free memory was 895.5 MB in the beginning and 1.3 GB in the end (delta: -453.7 MB). Peak memory consumption was 342.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:55,971 INFO L168 Benchmark]: Witness Printer took 190.03 ms. Allocated memory is still 2.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:55,973 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 807.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.10 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.34 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1811.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 895.5 MB in the end (delta: 173.7 MB). Peak memory consumption was 173.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16779.27 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 796.4 MB). Free memory was 895.5 MB in the beginning and 1.3 GB in the end (delta: -453.7 MB). Peak memory consumption was 342.7 MB. Max. memory is 11.5 GB. * Witness Printer took 190.03 ms. Allocated memory is still 2.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 78]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((((140 < a29 && 1 == a4) || ((!(a25 == 11) && 0 < a23 + 43) && 1 == a4)) || a4 <= 0) || (1 == a4 && 138 < a23)) || (12 == a25 && 1 == a4)) || (10 == a25 && 1 == a4) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((140 < a29 && 1 == a4) || ((!(a25 == 11) && 0 < a23 + 43) && 1 == a4)) || a4 <= 0) || (1 == a4 && 138 < a23)) || (12 == a25 && 1 == a4)) || (10 == a25 && 1 == a4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Result: SAFE, OverallTime: 16.6s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1646 SDtfs, 2333 SDslu, 298 SDs, 0 SdLazy, 6689 SolverSat, 1737 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2785 GetRequests, 2743 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7988occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 2089 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 88 NumberOfFragments, 91 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2989 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 352 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 3778 NumberOfCodeBlocks, 3778 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 5133 ConstructedInterpolants, 44 QuantifiedInterpolants, 4608044 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1870 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 4782/5065 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...