./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.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_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 dc08a0b643f05bf554ed8bba095ffb3efc1cc232 ...................................................................................................................................... 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_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 dc08a0b643f05bf554ed8bba095ffb3efc1cc232 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:26:11,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:26:11,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:26:11,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:26:11,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:26:11,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:26:11,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:26:11,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:26:11,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:26:11,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:26:11,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:26:11,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:26:11,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:26:11,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:26:11,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:26:11,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:26:11,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:26:11,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:26:11,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:26:11,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:26:11,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:26:11,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:26:11,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:26:11,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:26:11,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:26:11,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:26:11,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:26:11,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:26:11,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:26:11,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:26:11,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:26:11,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:26:11,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:26:11,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:26:11,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:26:11,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:26:11,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:26:11,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:26:11,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:26:11,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:26:11,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:26:11,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:26:11,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:26:11,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:26:11,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:26:11,913 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:26:11,914 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:26:11,914 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:26:11,914 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:26:11,914 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:26:11,914 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:26:11,914 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:26:11,914 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:26:11,914 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:26:11,914 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:26:11,915 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:26:11,915 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:26:11,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:26:11,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:26:11,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:26:11,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:26:11,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:26:11,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:26:11,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:26:11,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:26:11,916 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:26:11,916 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:26:11,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:26:11,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:26:11,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:26:11,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:26:11,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:26:11,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:26:11,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:26:11,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:26:11,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:26:11,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:26:11,918 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:26:11,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:26:11,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:26:11,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:26:11,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:26:11,918 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_71add679-de57-460b-8ff1-5435002595bc/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 -> dc08a0b643f05bf554ed8bba095ffb3efc1cc232 [2019-12-07 20:26:12,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:26:12,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:26:12,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:26:12,038 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:26:12,038 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:26:12,039 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2019-12-07 20:26:12,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/data/da5e45c89/70083b1d12814116869094ccfecfaf17/FLAGa3c038e32 [2019-12-07 20:26:12,566 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:26:12,567 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2019-12-07 20:26:12,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/data/da5e45c89/70083b1d12814116869094ccfecfaf17/FLAGa3c038e32 [2019-12-07 20:26:12,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/data/da5e45c89/70083b1d12814116869094ccfecfaf17 [2019-12-07 20:26:12,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:26:12,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:26:12,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:26:12,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:26:12,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:26:12,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:26:12" (1/1) ... [2019-12-07 20:26:12,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:12, skipping insertion in model container [2019-12-07 20:26:12,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:26:12" (1/1) ... [2019-12-07 20:26:12,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:26:12,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:26:12,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:26:12,834 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 20:26:12,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69f04b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:12, skipping insertion in model container [2019-12-07 20:26:12,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:26:12,835 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:26:12,836 INFO L168 Benchmark]: Toolchain (without parser) took 249.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:12,837 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:26:12,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:12,839 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 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 579]: 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 20:26:13,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:26:13,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:26:14,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:26:14,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:26:14,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:26:14,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:26:14,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:26:14,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:26:14,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:26:14,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:26:14,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:26:14,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:26:14,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:26:14,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:26:14,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:26:14,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:26:14,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:26:14,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:26:14,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:26:14,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:26:14,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:26:14,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:26:14,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:26:14,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:26:14,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:26:14,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:26:14,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:26:14,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:26:14,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:26:14,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:26:14,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:26:14,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:26:14,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:26:14,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:26:14,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:26:14,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:26:14,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:26:14,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:26:14,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:26:14,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:26:14,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:26:14,045 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:26:14,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:26:14,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:26:14,046 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:26:14,046 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:26:14,046 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:26:14,046 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:26:14,046 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:26:14,046 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:26:14,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:26:14,047 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:26:14,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:26:14,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:26:14,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:26:14,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:26:14,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:26:14,048 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:26:14,048 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:26:14,048 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:26:14,048 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:26:14,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:26:14,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:26:14,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:26:14,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:26:14,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:26:14,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:26:14,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:26:14,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:26:14,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:26:14,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:26:14,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:26:14,050 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:26:14,050 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:26:14,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:26:14,050 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:26:14,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:26:14,050 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_71add679-de57-460b-8ff1-5435002595bc/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 -> dc08a0b643f05bf554ed8bba095ffb3efc1cc232 [2019-12-07 20:26:14,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:26:14,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:26:14,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:26:14,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:26:14,225 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:26:14,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2019-12-07 20:26:14,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/data/01ad108ce/cc448020edf1480199577116ab773e66/FLAG8a51b66c8 [2019-12-07 20:26:14,756 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:26:14,757 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2019-12-07 20:26:14,766 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/data/01ad108ce/cc448020edf1480199577116ab773e66/FLAG8a51b66c8 [2019-12-07 20:26:14,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/data/01ad108ce/cc448020edf1480199577116ab773e66 [2019-12-07 20:26:14,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:26:14,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:26:14,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:26:14,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:26:14,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:26:14,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:26:14" (1/1) ... [2019-12-07 20:26:14,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:14, skipping insertion in model container [2019-12-07 20:26:14,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:26:14" (1/1) ... [2019-12-07 20:26:14,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:26:14,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:26:15,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:26:15,057 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:26:15,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:26:15,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:26:15,105 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:26:15,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:26:15,167 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:26:15,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:15 WrapperNode [2019-12-07 20:26:15,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:26:15,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:26:15,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:26:15,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:26:15,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:15" (1/1) ... [2019-12-07 20:26:15,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:15" (1/1) ... [2019-12-07 20:26:15,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:26:15,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:26:15,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:26:15,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:26:15,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:15" (1/1) ... [2019-12-07 20:26:15,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:15" (1/1) ... [2019-12-07 20:26:15,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:15" (1/1) ... [2019-12-07 20:26:15,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:15" (1/1) ... [2019-12-07 20:26:15,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:15" (1/1) ... [2019-12-07 20:26:15,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:15" (1/1) ... [2019-12-07 20:26:15,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:15" (1/1) ... [2019-12-07 20:26:15,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:26:15,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:26:15,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:26:15,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:26:15,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 20:26:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:26:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:26:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:26:15,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:26:15,739 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:26:15,740 INFO L287 CfgBuilder]: Removed 100 assume(true) statements. [2019-12-07 20:26:15,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:26:15 BoogieIcfgContainer [2019-12-07 20:26:15,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:26:15,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:26:15,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:26:15,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:26:15,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:26:14" (1/3) ... [2019-12-07 20:26:15,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465cea6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:26:15, skipping insertion in model container [2019-12-07 20:26:15,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:26:15" (2/3) ... [2019-12-07 20:26:15,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465cea6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:26:15, skipping insertion in model container [2019-12-07 20:26:15,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:26:15" (3/3) ... [2019-12-07 20:26:15,747 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product35.cil.c [2019-12-07 20:26:15,754 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:26:15,760 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:26:15,767 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:26:15,783 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:26:15,783 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:26:15,783 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:26:15,783 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:26:15,784 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:26:15,784 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:26:15,784 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:26:15,784 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:26:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2019-12-07 20:26:15,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:26:15,800 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:15,800 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:26:15,801 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:15,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:15,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1355288485, now seen corresponding path program 1 times [2019-12-07 20:26:15,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:26:15,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160529158] [2019-12-07 20:26:15,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 20:26:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:26:15,947 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:26:15,951 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:26:15,962 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 20:26:15,962 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:26:15,966 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 20:26:15,967 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160529158] [2019-12-07 20:26:15,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:26:15,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:26:15,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127714792] [2019-12-07 20:26:15,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:26:15,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:26:15,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:26:15,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:26:15,983 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2019-12-07 20:26:16,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:26:16,004 INFO L93 Difference]: Finished difference Result 154 states and 233 transitions. [2019-12-07 20:26:16,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:26:16,005 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 20:26:16,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:26:16,014 INFO L225 Difference]: With dead ends: 154 [2019-12-07 20:26:16,014 INFO L226 Difference]: Without dead ends: 76 [2019-12-07 20:26:16,017 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 20:26:16,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-12-07 20:26:16,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2019-12-07 20:26:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-12-07 20:26:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2019-12-07 20:26:16,047 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 16 [2019-12-07 20:26:16,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:26:16,047 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2019-12-07 20:26:16,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:26:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2019-12-07 20:26:16,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:26:16,048 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:16,048 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 20:26:16,249 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:26:16,249 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:16,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:16,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1892921914, now seen corresponding path program 1 times [2019-12-07 20:26:16,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:26:16,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470132242] [2019-12-07 20:26:16,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 20:26:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:26:16,394 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:26:16,396 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:26:16,408 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 20:26:16,409 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:26:16,417 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 20:26:16,418 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470132242] [2019-12-07 20:26:16,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:26:16,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:26:16,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145547497] [2019-12-07 20:26:16,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:26:16,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:26:16,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:26:16,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:26:16,420 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 4 states. [2019-12-07 20:26:16,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:26:16,430 INFO L93 Difference]: Finished difference Result 76 states and 108 transitions. [2019-12-07 20:26:16,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:26:16,431 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 20:26:16,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:26:16,432 INFO L225 Difference]: With dead ends: 76 [2019-12-07 20:26:16,432 INFO L226 Difference]: Without dead ends: 36 [2019-12-07 20:26:16,432 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 20:26:16,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-07 20:26:16,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-07 20:26:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 20:26:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2019-12-07 20:26:16,437 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 17 [2019-12-07 20:26:16,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:26:16,437 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2019-12-07 20:26:16,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:26:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2019-12-07 20:26:16,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:26:16,438 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:16,438 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 20:26:16,638 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:26:16,639 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:16,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:16,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602350, now seen corresponding path program 1 times [2019-12-07 20:26:16,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:26:16,642 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884745148] [2019-12-07 20:26:16,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 20:26:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:26:16,839 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:26:16,841 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:26:16,848 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 20:26:16,849 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:26:16,856 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 20:26:16,857 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884745148] [2019-12-07 20:26:16,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:26:16,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:26:16,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462441740] [2019-12-07 20:26:16,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:26:16,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:26:16,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:26:16,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:26:16,859 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 4 states. [2019-12-07 20:26:16,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:26:16,881 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2019-12-07 20:26:16,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:26:16,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 20:26:16,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:26:16,882 INFO L225 Difference]: With dead ends: 119 [2019-12-07 20:26:16,882 INFO L226 Difference]: Without dead ends: 89 [2019-12-07 20:26:16,883 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 20:26:16,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-12-07 20:26:16,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 55. [2019-12-07 20:26:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 20:26:16,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2019-12-07 20:26:16,891 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 22 [2019-12-07 20:26:16,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:26:16,892 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2019-12-07 20:26:16,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:26:16,892 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2019-12-07 20:26:16,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 20:26:16,892 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:16,893 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 20:26:17,093 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:26:17,093 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:17,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:17,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1572373846, now seen corresponding path program 1 times [2019-12-07 20:26:17,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:26:17,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2139956525] [2019-12-07 20:26:17,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 20:26:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:26:17,189 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:26:17,190 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:26:17,196 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 20:26:17,196 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:26:17,198 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 20:26:17,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2139956525] [2019-12-07 20:26:17,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:26:17,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:26:17,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198948600] [2019-12-07 20:26:17,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:26:17,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:26:17,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:26:17,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:26:17,201 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 3 states. [2019-12-07 20:26:17,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:26:17,259 INFO L93 Difference]: Finished difference Result 125 states and 184 transitions. [2019-12-07 20:26:17,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:26:17,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-07 20:26:17,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:26:17,261 INFO L225 Difference]: With dead ends: 125 [2019-12-07 20:26:17,261 INFO L226 Difference]: Without dead ends: 76 [2019-12-07 20:26:17,261 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 20:26:17,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-12-07 20:26:17,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2019-12-07 20:26:17,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-12-07 20:26:17,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions. [2019-12-07 20:26:17,272 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 105 transitions. Word has length 23 [2019-12-07 20:26:17,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:26:17,272 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 105 transitions. [2019-12-07 20:26:17,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:26:17,273 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2019-12-07 20:26:17,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 20:26:17,274 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:17,274 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] [2019-12-07 20:26:17,474 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:26:17,475 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:17,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:17,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1956458727, now seen corresponding path program 1 times [2019-12-07 20:26:17,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:26:17,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217865774] [2019-12-07 20:26:17,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 20:26:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:26:17,619 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:26:17,621 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:26:17,635 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 20:26:17,635 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:26:17,643 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 20:26:17,643 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217865774] [2019-12-07 20:26:17,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:26:17,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:26:17,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252985066] [2019-12-07 20:26:17,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:26:17,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:26:17,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:26:17,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:26:17,645 INFO L87 Difference]: Start difference. First operand 74 states and 105 transitions. Second operand 5 states. [2019-12-07 20:26:17,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:26:17,717 INFO L93 Difference]: Finished difference Result 354 states and 517 transitions. [2019-12-07 20:26:17,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:26:17,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 20:26:17,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:26:17,720 INFO L225 Difference]: With dead ends: 354 [2019-12-07 20:26:17,720 INFO L226 Difference]: Without dead ends: 286 [2019-12-07 20:26:17,721 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 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 20:26:17,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-12-07 20:26:17,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 134. [2019-12-07 20:26:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-12-07 20:26:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 188 transitions. [2019-12-07 20:26:17,740 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 188 transitions. Word has length 25 [2019-12-07 20:26:17,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:26:17,740 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 188 transitions. [2019-12-07 20:26:17,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:26:17,741 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 188 transitions. [2019-12-07 20:26:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 20:26:17,742 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:17,742 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] [2019-12-07 20:26:17,942 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:26:17,943 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:17,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:17,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1752651633, now seen corresponding path program 1 times [2019-12-07 20:26:17,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:26:17,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543910201] [2019-12-07 20:26:17,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 20:26:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:26:18,067 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:26:18,069 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:26:18,081 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 20:26:18,081 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:26:18,084 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 20:26:18,084 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543910201] [2019-12-07 20:26:18,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:26:18,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:26:18,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445304250] [2019-12-07 20:26:18,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:26:18,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:26:18,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:26:18,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:26:18,086 INFO L87 Difference]: Start difference. First operand 134 states and 188 transitions. Second operand 5 states. [2019-12-07 20:26:18,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:26:18,208 INFO L93 Difference]: Finished difference Result 368 states and 521 transitions. [2019-12-07 20:26:18,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 20:26:18,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 20:26:18,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:26:18,210 INFO L225 Difference]: With dead ends: 368 [2019-12-07 20:26:18,210 INFO L226 Difference]: Without dead ends: 366 [2019-12-07 20:26:18,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 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 20:26:18,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-12-07 20:26:18,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 134. [2019-12-07 20:26:18,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-12-07 20:26:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 186 transitions. [2019-12-07 20:26:18,224 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 186 transitions. Word has length 26 [2019-12-07 20:26:18,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:26:18,224 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 186 transitions. [2019-12-07 20:26:18,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:26:18,224 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 186 transitions. [2019-12-07 20:26:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 20:26:18,226 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:18,226 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 20:26:18,426 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 20:26:18,427 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:18,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:18,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1960990159, now seen corresponding path program 1 times [2019-12-07 20:26:18,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:26:18,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743588630] [2019-12-07 20:26:18,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 20:26:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:26:18,582 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:26:18,585 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:26:18,600 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 20:26:18,600 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:26:18,602 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 20:26:18,602 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743588630] [2019-12-07 20:26:18,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:26:18,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:26:18,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623845145] [2019-12-07 20:26:18,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:26:18,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:26:18,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:26:18,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:26:18,603 INFO L87 Difference]: Start difference. First operand 134 states and 186 transitions. Second operand 5 states. [2019-12-07 20:26:18,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:26:18,652 INFO L93 Difference]: Finished difference Result 398 states and 551 transitions. [2019-12-07 20:26:18,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:26:18,652 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 20:26:18,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:26:18,654 INFO L225 Difference]: With dead ends: 398 [2019-12-07 20:26:18,654 INFO L226 Difference]: Without dead ends: 270 [2019-12-07 20:26:18,655 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 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 20:26:18,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-12-07 20:26:18,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 140. [2019-12-07 20:26:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 20:26:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 192 transitions. [2019-12-07 20:26:18,665 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 192 transitions. Word has length 30 [2019-12-07 20:26:18,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:26:18,665 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 192 transitions. [2019-12-07 20:26:18,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:26:18,665 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 192 transitions. [2019-12-07 20:26:18,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 20:26:18,666 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:18,666 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 20:26:18,867 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 20:26:18,868 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:18,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:18,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1940950127, now seen corresponding path program 1 times [2019-12-07 20:26:18,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:26:18,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88002902] [2019-12-07 20:26:18,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 20:26:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:26:19,005 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:26:19,006 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:26:19,014 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 20:26:19,014 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:26:19,024 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 20:26:19,024 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88002902] [2019-12-07 20:26:19,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:26:19,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 20:26:19,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203717435] [2019-12-07 20:26:19,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:26:19,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:26:19,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:26:19,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:26:19,026 INFO L87 Difference]: Start difference. First operand 140 states and 192 transitions. Second operand 6 states. [2019-12-07 20:26:19,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:26:19,063 INFO L93 Difference]: Finished difference Result 432 states and 590 transitions. [2019-12-07 20:26:19,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:26:19,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-12-07 20:26:19,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:26:19,065 INFO L225 Difference]: With dead ends: 432 [2019-12-07 20:26:19,065 INFO L226 Difference]: Without dead ends: 298 [2019-12-07 20:26:19,066 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 20:26:19,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2019-12-07 20:26:19,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 144. [2019-12-07 20:26:19,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-12-07 20:26:19,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2019-12-07 20:26:19,081 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 30 [2019-12-07 20:26:19,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:26:19,081 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2019-12-07 20:26:19,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:26:19,081 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2019-12-07 20:26:19,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 20:26:19,082 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:19,082 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 20:26:19,282 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 20:26:19,283 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:19,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:19,283 INFO L82 PathProgramCache]: Analyzing trace with hash -2095851731, now seen corresponding path program 1 times [2019-12-07 20:26:19,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:26:19,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556821919] [2019-12-07 20:26:19,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 20:26:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:26:19,377 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:26:19,378 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:26:19,385 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 20:26:19,385 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:26:19,391 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 20:26:19,391 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556821919] [2019-12-07 20:26:19,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:26:19,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:26:19,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385484217] [2019-12-07 20:26:19,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:26:19,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:26:19,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:26:19,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:26:19,393 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 4 states. [2019-12-07 20:26:19,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:26:19,447 INFO L93 Difference]: Finished difference Result 492 states and 672 transitions. [2019-12-07 20:26:19,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:26:19,448 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-12-07 20:26:19,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:26:19,450 INFO L225 Difference]: With dead ends: 492 [2019-12-07 20:26:19,450 INFO L226 Difference]: Without dead ends: 354 [2019-12-07 20:26:19,450 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 20:26:19,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-12-07 20:26:19,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 266. [2019-12-07 20:26:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-12-07 20:26:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 359 transitions. [2019-12-07 20:26:19,467 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 359 transitions. Word has length 30 [2019-12-07 20:26:19,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:26:19,467 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 359 transitions. [2019-12-07 20:26:19,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:26:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 359 transitions. [2019-12-07 20:26:19,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 20:26:19,468 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:26:19,468 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 20:26:19,669 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 20:26:19,670 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:26:19,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:26:19,671 INFO L82 PathProgramCache]: Analyzing trace with hash 191299371, now seen corresponding path program 1 times [2019-12-07 20:26:19,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:26:19,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683683312] [2019-12-07 20:26:19,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/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 20:26:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:26:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:26:20,984 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 20:26:20,984 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:26:21,184 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 20:26:21,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:26:21 BoogieIcfgContainer [2019-12-07 20:26:21,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:26:21,267 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:26:21,267 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:26:21,268 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:26:21,268 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:26:15" (3/4) ... [2019-12-07 20:26:21,270 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 20:26:21,326 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_71add679-de57-460b-8ff1-5435002595bc/bin/utaipan/witness.graphml [2019-12-07 20:26:21,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:26:21,328 INFO L168 Benchmark]: Toolchain (without parser) took 6549.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 953.7 MB in the beginning and 985.0 MB in the end (delta: -31.3 MB). Peak memory consumption was 189.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:21,328 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 20:26:21,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:21,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:21,329 INFO L168 Benchmark]: Boogie Preprocessor took 30.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:26:21,329 INFO L168 Benchmark]: RCFGBuilder took 498.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:21,329 INFO L168 Benchmark]: TraceAbstraction took 5525.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 30.5 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:21,329 INFO L168 Benchmark]: Witness Printer took 59.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 985.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:26:21,331 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 389.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 498.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5525.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 30.5 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. * Witness Printer took 59.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 985.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 145]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L250] int pumpRunning = 0; [L251] int systemActive = 1; [L455] int cleanupTimeShifts = 4; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] int retValue_acc ; [L529] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] int retValue_acc ; [L449] retValue_acc = 1 [L450] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] tmp = valid_product() [L537] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L181] int splverifierCounter ; [L182] int tmp ; [L183] int tmp___0 ; [L184] int tmp___1 ; [L185] int tmp___2 ; [L188] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L190] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L192] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L198] tmp = __VERIFIER_nondet_int() [L200] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L208] tmp___0 = __VERIFIER_nondet_int() [L210] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L218] tmp___2 = __VERIFIER_nondet_int() [L220] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L257] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L264] COND TRUE \read(systemActive) [L286] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L289] COND TRUE ! pumpRunning [L383] int retValue_acc ; [L384] int tmp ; [L385] int tmp___0 ; [L127] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L389] tmp = isHighWaterSensorDry() [L391] COND FALSE !(\read(tmp)) [L394] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L396] retValue_acc = tmp___0 [L397] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L291] tmp = isHighWaterLevel() [L293] COND TRUE \read(tmp) [L314] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L152] int tmp ; [L153] int tmp___0 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] tmp = isMethaneLevelCritical() [L159] COND TRUE \read(tmp) [L338] int retValue_acc ; [L341] retValue_acc = pumpRunning [L342] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L161] tmp___0 = isPumpRunning() [L163] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L145] __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, 80 locations, 3 error locations. Result: UNSAFE, OverallTime: 5.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 633 SDtfs, 890 SDslu, 1123 SDs, 0 SdLazy, 123 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 436 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 792 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 19413 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1680 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...