./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/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 3e754f75ca06d39e1069a0bad88498ddd2436bb7 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/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 3e754f75ca06d39e1069a0bad88498ddd2436bb7 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:49:24,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:49:24,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:49:24,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:49:24,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:49:24,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:49:24,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:49:24,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:49:24,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:49:24,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:49:24,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:49:24,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:49:24,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:49:24,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:49:24,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:49:24,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:49:24,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:49:24,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:49:24,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:49:24,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:49:24,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:49:24,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:49:24,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:49:24,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:49:24,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:49:24,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:49:24,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:49:24,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:49:24,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:49:24,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:49:24,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:49:24,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:49:24,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:49:24,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:49:24,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:49:24,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:49:24,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:49:24,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:49:24,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:49:24,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:49:24,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:49:24,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:49:24,741 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:49:24,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:49:24,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:49:24,741 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:49:24,742 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:49:24,742 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:49:24,742 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:49:24,742 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:49:24,742 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:49:24,742 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:49:24,742 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:49:24,742 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:49:24,743 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:49:24,743 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:49:24,743 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:49:24,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:49:24,743 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:49:24,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:49:24,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:49:24,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:49:24,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:49:24,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:49:24,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:49:24,744 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:49:24,744 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:49:24,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:49:24,745 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:49:24,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:49:24,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:49:24,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:49:24,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:49:24,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:49:24,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:49:24,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:49:24,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:49:24,746 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:49:24,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:49:24,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:49:24,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:49:24,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:49:24,747 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/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/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 -> 3e754f75ca06d39e1069a0bad88498ddd2436bb7 [2019-12-07 16:49:24,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:49:24,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:49:24,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:49:24,873 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:49:24,873 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:49:24,874 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2019-12-07 16:49:24,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/data/6754b4dfe/47898be9991d49df91afd38a269f376a/FLAGc3bc02c84 [2019-12-07 16:49:25,418 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:49:25,418 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2019-12-07 16:49:25,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/data/6754b4dfe/47898be9991d49df91afd38a269f376a/FLAGc3bc02c84 [2019-12-07 16:49:25,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/data/6754b4dfe/47898be9991d49df91afd38a269f376a [2019-12-07 16:49:25,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:49:25,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:49:25,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:49:25,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:49:25,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:49:25,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:49:25" (1/1) ... [2019-12-07 16:49:25,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:25, skipping insertion in model container [2019-12-07 16:49:25,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:49:25" (1/1) ... [2019-12-07 16:49:25,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:49:25,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:49:25,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:49:25,702 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 16:49:25,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1872e3f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:25, skipping insertion in model container [2019-12-07 16:49:25,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:49:25,703 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:49:25,704 INFO L168 Benchmark]: Toolchain (without parser) took 266.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:25,705 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:49:25,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:25,706 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:49:26,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:49:26,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:49:26,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:49:26,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:49:26,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:49:26,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:49:26,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:49:26,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:49:26,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:49:26,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:49:26,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:49:26,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:49:26,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:49:26,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:49:26,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:49:26,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:49:26,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:49:26,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:49:26,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:49:26,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:49:26,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:49:26,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:49:26,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:49:26,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:49:26,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:49:26,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:49:26,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:49:26,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:49:26,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:49:26,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:49:26,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:49:26,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:49:26,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:49:26,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:49:26,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:49:26,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:49:26,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:49:26,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:49:26,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:49:26,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:49:26,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:49:26,883 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:49:26,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:49:26,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:49:26,884 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:49:26,884 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:49:26,884 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:49:26,884 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:49:26,884 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:49:26,885 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:49:26,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:49:26,885 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:49:26,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:49:26,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:49:26,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:49:26,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:49:26,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:49:26,886 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:49:26,886 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:49:26,886 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:49:26,886 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:49:26,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:49:26,887 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:49:26,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:49:26,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:49:26,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:49:26,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:49:26,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:49:26,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:49:26,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:49:26,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:49:26,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:49:26,888 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:49:26,888 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:49:26,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:49:26,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:49:26,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:49:26,888 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/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 -> 3e754f75ca06d39e1069a0bad88498ddd2436bb7 [2019-12-07 16:49:27,051 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:49:27,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:49:27,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:49:27,062 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:49:27,062 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:49:27,062 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2019-12-07 16:49:27,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/data/caad7bfa8/d7c65993aaf146098cddad3ddcb1d131/FLAG12b8814ae [2019-12-07 16:49:27,604 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:49:27,605 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2019-12-07 16:49:27,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/data/caad7bfa8/d7c65993aaf146098cddad3ddcb1d131/FLAG12b8814ae [2019-12-07 16:49:27,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/data/caad7bfa8/d7c65993aaf146098cddad3ddcb1d131 [2019-12-07 16:49:27,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:49:27,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:49:27,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:49:27,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:49:27,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:49:27,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:49:27" (1/1) ... [2019-12-07 16:49:27,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:27, skipping insertion in model container [2019-12-07 16:49:27,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:49:27" (1/1) ... [2019-12-07 16:49:27,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:49:27,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:49:27,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:49:27,898 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:49:27,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:49:27,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:49:27,944 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:49:27,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:49:28,003 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:49:28,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:28 WrapperNode [2019-12-07 16:49:28,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:49:28,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:49:28,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:49:28,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:49:28,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:28" (1/1) ... [2019-12-07 16:49:28,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:28" (1/1) ... [2019-12-07 16:49:28,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:49:28,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:49:28,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:49:28,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:49:28,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:28" (1/1) ... [2019-12-07 16:49:28,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:28" (1/1) ... [2019-12-07 16:49:28,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:28" (1/1) ... [2019-12-07 16:49:28,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:28" (1/1) ... [2019-12-07 16:49:28,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:28" (1/1) ... [2019-12-07 16:49:28,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:28" (1/1) ... [2019-12-07 16:49:28,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:28" (1/1) ... [2019-12-07 16:49:28,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:49:28,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:49:28,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:49:28,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:49:28,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/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 [2019-12-07 16:49:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:49:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:49:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:49:28,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:49:28,566 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:49:28,566 INFO L287 CfgBuilder]: Removed 96 assume(true) statements. [2019-12-07 16:49:28,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:49:28 BoogieIcfgContainer [2019-12-07 16:49:28,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:49:28,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:49:28,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:49:28,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:49:28,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:49:27" (1/3) ... [2019-12-07 16:49:28,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2963b304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:49:28, skipping insertion in model container [2019-12-07 16:49:28,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:49:28" (2/3) ... [2019-12-07 16:49:28,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2963b304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:49:28, skipping insertion in model container [2019-12-07 16:49:28,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:49:28" (3/3) ... [2019-12-07 16:49:28,573 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product33.cil.c [2019-12-07 16:49:28,580 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:49:28,585 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:49:28,593 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:49:28,610 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:49:28,610 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:49:28,610 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:49:28,610 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:49:28,610 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:49:28,611 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:49:28,611 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:49:28,611 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:49:28,622 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2019-12-07 16:49:28,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 16:49:28,627 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:49:28,627 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:49:28,628 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:49:28,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:49:28,632 INFO L82 PathProgramCache]: Analyzing trace with hash 768274677, now seen corresponding path program 1 times [2019-12-07 16:49:28,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:49:28,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268672821] [2019-12-07 16:49:28,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 16:49:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:49:28,767 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:49:28,771 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:49:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:28,781 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:49:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:28,785 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268672821] [2019-12-07 16:49:28,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:49:28,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:49:28,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468003215] [2019-12-07 16:49:28,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:49:28,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:49:28,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:49:28,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:49:28,800 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2019-12-07 16:49:28,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:49:28,818 INFO L93 Difference]: Finished difference Result 150 states and 227 transitions. [2019-12-07 16:49:28,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:49:28,819 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 16:49:28,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:49:28,827 INFO L225 Difference]: With dead ends: 150 [2019-12-07 16:49:28,828 INFO L226 Difference]: Without dead ends: 74 [2019-12-07 16:49:28,830 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:49:28,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-12-07 16:49:28,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-12-07 16:49:28,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-12-07 16:49:28,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions. [2019-12-07 16:49:28,859 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 105 transitions. Word has length 16 [2019-12-07 16:49:28,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:49:28,860 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 105 transitions. [2019-12-07 16:49:28,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:49:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2019-12-07 16:49:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 16:49:28,861 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:49:28,861 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:49:29,061 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:49:29,062 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:49:29,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:49:29,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1484097871, now seen corresponding path program 1 times [2019-12-07 16:49:29,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:49:29,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838085200] [2019-12-07 16:49:29,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 16:49:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:49:29,172 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:49:29,173 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:49:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:29,187 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:49:29,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:29,196 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [838085200] [2019-12-07 16:49:29,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:49:29,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:49:29,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678593154] [2019-12-07 16:49:29,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:49:29,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:49:29,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:49:29,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:49:29,199 INFO L87 Difference]: Start difference. First operand 74 states and 105 transitions. Second operand 4 states. [2019-12-07 16:49:29,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:49:29,208 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2019-12-07 16:49:29,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:49:29,209 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 16:49:29,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:49:29,210 INFO L225 Difference]: With dead ends: 74 [2019-12-07 16:49:29,210 INFO L226 Difference]: Without dead ends: 34 [2019-12-07 16:49:29,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:49:29,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-07 16:49:29,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-07 16:49:29,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-07 16:49:29,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2019-12-07 16:49:29,215 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 17 [2019-12-07 16:49:29,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:49:29,215 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2019-12-07 16:49:29,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:49:29,215 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2019-12-07 16:49:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 16:49:29,216 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:49:29,216 INFO L410 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] [2019-12-07 16:49:29,416 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:49:29,417 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:49:29,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:49:29,419 INFO L82 PathProgramCache]: Analyzing trace with hash 670124178, now seen corresponding path program 1 times [2019-12-07 16:49:29,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:49:29,421 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703613879] [2019-12-07 16:49:29,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 16:49:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:49:29,655 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:49:29,656 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:49:29,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:29,665 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:49:29,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:29,672 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1703613879] [2019-12-07 16:49:29,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:49:29,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:49:29,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239483694] [2019-12-07 16:49:29,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:49:29,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:49:29,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:49:29,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:49:29,673 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand 4 states. [2019-12-07 16:49:29,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:49:29,680 INFO L93 Difference]: Finished difference Result 62 states and 90 transitions. [2019-12-07 16:49:29,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:49:29,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 16:49:29,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:49:29,682 INFO L225 Difference]: With dead ends: 62 [2019-12-07 16:49:29,682 INFO L226 Difference]: Without dead ends: 34 [2019-12-07 16:49:29,682 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:49:29,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-07 16:49:29,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-07 16:49:29,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-07 16:49:29,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2019-12-07 16:49:29,688 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 47 transitions. Word has length 22 [2019-12-07 16:49:29,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:49:29,688 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 47 transitions. [2019-12-07 16:49:29,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:49:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2019-12-07 16:49:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 16:49:29,689 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:49:29,689 INFO L410 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] [2019-12-07 16:49:29,890 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:49:29,890 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:49:29,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:49:29,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1804645939, now seen corresponding path program 1 times [2019-12-07 16:49:29,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:49:29,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290622854] [2019-12-07 16:49:29,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 16:49:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:49:30,044 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:49:30,046 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:49:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:30,051 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:49:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:30,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290622854] [2019-12-07 16:49:30,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:49:30,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 16:49:30,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701166468] [2019-12-07 16:49:30,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:49:30,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:49:30,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:49:30,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:49:30,056 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. Second operand 3 states. [2019-12-07 16:49:30,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:49:30,113 INFO L93 Difference]: Finished difference Result 83 states and 118 transitions. [2019-12-07 16:49:30,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:49:30,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-07 16:49:30,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:49:30,114 INFO L225 Difference]: With dead ends: 83 [2019-12-07 16:49:30,114 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 16:49:30,115 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:49:30,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 16:49:30,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2019-12-07 16:49:30,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 16:49:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 74 transitions. [2019-12-07 16:49:30,123 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 74 transitions. Word has length 23 [2019-12-07 16:49:30,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:49:30,123 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 74 transitions. [2019-12-07 16:49:30,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:49:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 74 transitions. [2019-12-07 16:49:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 16:49:30,125 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:49:30,125 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:49:30,325 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:49:30,326 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:49:30,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:49:30,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1746371458, now seen corresponding path program 1 times [2019-12-07 16:49:30,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:49:30,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719201341] [2019-12-07 16:49:30,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 16:49:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:49:30,579 INFO L264 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:49:30,581 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:49:30,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:30,593 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:49:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:30,599 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719201341] [2019-12-07 16:49:30,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:49:30,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:49:30,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702900042] [2019-12-07 16:49:30,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:49:30,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:49:30,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:49:30,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:49:30,601 INFO L87 Difference]: Start difference. First operand 53 states and 74 transitions. Second operand 5 states. [2019-12-07 16:49:30,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:49:30,636 INFO L93 Difference]: Finished difference Result 139 states and 194 transitions. [2019-12-07 16:49:30,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:49:30,636 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-12-07 16:49:30,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:49:30,637 INFO L225 Difference]: With dead ends: 139 [2019-12-07 16:49:30,637 INFO L226 Difference]: Without dead ends: 92 [2019-12-07 16:49:30,637 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:49:30,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-12-07 16:49:30,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 56. [2019-12-07 16:49:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 16:49:30,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2019-12-07 16:49:30,643 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 29 [2019-12-07 16:49:30,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:49:30,643 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2019-12-07 16:49:30,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:49:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2019-12-07 16:49:30,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 16:49:30,644 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:49:30,644 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:49:30,844 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:49:30,846 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:49:30,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:49:30,847 INFO L82 PathProgramCache]: Analyzing trace with hash 916139585, now seen corresponding path program 1 times [2019-12-07 16:49:30,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:49:30,848 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104126431] [2019-12-07 16:49:30,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 16:49:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:49:30,982 INFO L264 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:49:30,984 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:49:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:30,998 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:49:31,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:31,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104126431] [2019-12-07 16:49:31,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:49:31,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 16:49:31,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568090889] [2019-12-07 16:49:31,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:49:31,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:49:31,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:49:31,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:49:31,005 INFO L87 Difference]: Start difference. First operand 56 states and 77 transitions. Second operand 5 states. [2019-12-07 16:49:31,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:49:31,073 INFO L93 Difference]: Finished difference Result 270 states and 384 transitions. [2019-12-07 16:49:31,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:49:31,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-12-07 16:49:31,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:49:31,075 INFO L225 Difference]: With dead ends: 270 [2019-12-07 16:49:31,075 INFO L226 Difference]: Without dead ends: 220 [2019-12-07 16:49:31,076 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 16:49:31,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2019-12-07 16:49:31,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 100. [2019-12-07 16:49:31,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-12-07 16:49:31,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 137 transitions. [2019-12-07 16:49:31,095 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 137 transitions. Word has length 29 [2019-12-07 16:49:31,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:49:31,095 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 137 transitions. [2019-12-07 16:49:31,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:49:31,095 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 137 transitions. [2019-12-07 16:49:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 16:49:31,096 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:49:31,097 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:49:31,297 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 16:49:31,298 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:49:31,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:49:31,299 INFO L82 PathProgramCache]: Analyzing trace with hash -863305781, now seen corresponding path program 1 times [2019-12-07 16:49:31,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:49:31,301 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242377155] [2019-12-07 16:49:31,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 16:49:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:49:31,438 INFO L264 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:49:31,440 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:49:31,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:31,452 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:49:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:31,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242377155] [2019-12-07 16:49:31,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:49:31,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:49:31,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947315848] [2019-12-07 16:49:31,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:49:31,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:49:31,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:49:31,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:49:31,456 INFO L87 Difference]: Start difference. First operand 100 states and 137 transitions. Second operand 5 states. [2019-12-07 16:49:31,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:49:31,581 INFO L93 Difference]: Finished difference Result 280 states and 386 transitions. [2019-12-07 16:49:31,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 16:49:31,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 16:49:31,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:49:31,584 INFO L225 Difference]: With dead ends: 280 [2019-12-07 16:49:31,584 INFO L226 Difference]: Without dead ends: 278 [2019-12-07 16:49:31,584 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 16:49:31,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-12-07 16:49:31,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 100. [2019-12-07 16:49:31,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-12-07 16:49:31,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 136 transitions. [2019-12-07 16:49:31,597 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 136 transitions. Word has length 30 [2019-12-07 16:49:31,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:49:31,598 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 136 transitions. [2019-12-07 16:49:31,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:49:31,598 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 136 transitions. [2019-12-07 16:49:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 16:49:31,599 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:49:31,599 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:49:31,799 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 16:49:31,800 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:49:31,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:49:31,801 INFO L82 PathProgramCache]: Analyzing trace with hash 376123462, now seen corresponding path program 1 times [2019-12-07 16:49:31,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:49:31,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797410713] [2019-12-07 16:49:31,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 16:49:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:49:31,953 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:49:31,954 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:49:31,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:31,961 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:49:31,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:31,970 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797410713] [2019-12-07 16:49:31,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:49:31,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 16:49:31,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637985774] [2019-12-07 16:49:31,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:49:31,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:49:31,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:49:31,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:49:31,971 INFO L87 Difference]: Start difference. First operand 100 states and 136 transitions. Second operand 6 states. [2019-12-07 16:49:31,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:49:31,997 INFO L93 Difference]: Finished difference Result 276 states and 374 transitions. [2019-12-07 16:49:31,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:49:31,997 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-12-07 16:49:31,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:49:31,998 INFO L225 Difference]: With dead ends: 276 [2019-12-07 16:49:31,998 INFO L226 Difference]: Without dead ends: 182 [2019-12-07 16:49:31,999 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:49:31,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2019-12-07 16:49:32,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 104. [2019-12-07 16:49:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-12-07 16:49:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 140 transitions. [2019-12-07 16:49:32,010 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 140 transitions. Word has length 30 [2019-12-07 16:49:32,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:49:32,010 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 140 transitions. [2019-12-07 16:49:32,010 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:49:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 140 transitions. [2019-12-07 16:49:32,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 16:49:32,011 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:49:32,011 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:49:32,211 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 16:49:32,212 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:49:32,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:49:32,213 INFO L82 PathProgramCache]: Analyzing trace with hash 634288900, now seen corresponding path program 1 times [2019-12-07 16:49:32,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:49:32,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569299917] [2019-12-07 16:49:32,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 16:49:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:49:32,335 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:49:32,336 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:49:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:32,341 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:49:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:49:32,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569299917] [2019-12-07 16:49:32,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:49:32,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:49:32,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396991446] [2019-12-07 16:49:32,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:49:32,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:49:32,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:49:32,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:49:32,350 INFO L87 Difference]: Start difference. First operand 104 states and 140 transitions. Second operand 4 states. [2019-12-07 16:49:32,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:49:32,386 INFO L93 Difference]: Finished difference Result 334 states and 452 transitions. [2019-12-07 16:49:32,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:49:32,387 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-12-07 16:49:32,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:49:32,388 INFO L225 Difference]: With dead ends: 334 [2019-12-07 16:49:32,388 INFO L226 Difference]: Without dead ends: 236 [2019-12-07 16:49:32,388 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:49:32,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-12-07 16:49:32,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 186. [2019-12-07 16:49:32,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-12-07 16:49:32,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 249 transitions. [2019-12-07 16:49:32,403 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 249 transitions. Word has length 30 [2019-12-07 16:49:32,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:49:32,403 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 249 transitions. [2019-12-07 16:49:32,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:49:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 249 transitions. [2019-12-07 16:49:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 16:49:32,404 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:49:32,404 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:49:32,605 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 16:49:32,606 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:49:32,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:49:32,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1373527294, now seen corresponding path program 1 times [2019-12-07 16:49:32,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:49:32,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984610160] [2019-12-07 16:49:32,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 16:49:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:49:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:49:34,316 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 16:49:34,317 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:49:34,517 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 16:49:34,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:49:34 BoogieIcfgContainer [2019-12-07 16:49:34,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:49:34,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:49:34,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:49:34,613 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:49:34,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:49:28" (3/4) ... [2019-12-07 16:49:34,615 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 16:49:34,670 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3165eab8-7b4c-4d6a-b531-14bd6827470e/bin/utaipan/witness.graphml [2019-12-07 16:49:34,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:49:34,671 INFO L168 Benchmark]: Toolchain (without parser) took 7047.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.7 MB). Free memory was 953.7 MB in the beginning and 1.0 GB in the end (delta: -62.3 MB). Peak memory consumption was 135.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:34,672 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:49:34,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:34,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:49:34,672 INFO L168 Benchmark]: Boogie Preprocessor took 26.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:34,673 INFO L168 Benchmark]: RCFGBuilder took 495.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:34,673 INFO L168 Benchmark]: TraceAbstraction took 6045.05 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -6.2 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:34,673 INFO L168 Benchmark]: Witness Printer took 56.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:49:34,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 495.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6045.05 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -6.2 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. * Witness Printer took 56.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 410]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int pumpRunning = 0; [L425] int systemActive = 1; [L683] int cleanupTimeShifts = 4; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] int retValue_acc ; [L757] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L674] int retValue_acc ; [L677] retValue_acc = 1 [L678] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L763] tmp = valid_product() [L765] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L581] int splverifierCounter ; [L582] int tmp ; [L583] int tmp___0 ; [L584] int tmp___1 ; [L585] int tmp___2 ; [L588] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L590] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L592] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L598] tmp = __VERIFIER_nondet_int() [L600] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L824] COND TRUE waterLevel < 2 [L825] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L608] tmp___0 = __VERIFIER_nondet_int() [L610] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L836] COND FALSE !(\read(methaneLevelCritical)) [L839] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L618] tmp___2 = __VERIFIER_nondet_int() [L620] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L439] COND TRUE \read(systemActive) [L461] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L464] COND TRUE ! pumpRunning [L558] int retValue_acc ; [L559] int tmp ; [L560] int tmp___0 ; [L886] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L889] COND FALSE !(waterLevel < 2) [L893] retValue_acc = 0 [L894] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L564] tmp = isHighWaterSensorDry() [L566] COND FALSE !(\read(tmp)) [L569] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L571] retValue_acc = tmp___0 [L572] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L466] tmp = isHighWaterLevel() [L468] COND TRUE \read(tmp) [L489] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L780] int tmp ; [L781] int tmp___0 ; [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L785] tmp = isMethaneLevelCritical() [L787] COND TRUE \read(tmp) [L513] int retValue_acc ; [L516] retValue_acc = pumpRunning [L517] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L789] tmp___0 = isPumpRunning() [L791] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L410] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Result: UNSAFE, OverallTime: 5.9s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 583 SDtfs, 819 SDslu, 892 SDs, 0 SdLazy, 107 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 450 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 464 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 21627 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1692 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...