./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.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_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/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 507fc1a89cb1dbaf587ff2c51fbab704dc92da4e ...................................................................................................................................... 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_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/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 507fc1a89cb1dbaf587ff2c51fbab704dc92da4e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:16:01,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:16:01,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:16:01,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:16:01,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:16:01,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:16:01,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:16:01,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:16:01,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:16:01,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:16:01,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:16:01,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:16:01,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:16:01,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:16:01,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:16:01,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:16:01,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:16:01,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:16:01,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:16:01,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:16:01,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:16:01,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:16:01,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:16:01,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:16:01,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:16:01,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:16:01,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:16:01,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:16:01,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:16:01,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:16:01,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:16:01,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:16:01,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:16:01,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:16:01,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:16:01,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:16:01,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:16:01,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:16:01,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:16:01,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:16:01,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:16:01,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:16:01,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:16:01,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:16:01,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:16:01,769 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:16:01,769 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:16:01,770 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:16:01,770 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:16:01,770 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:16:01,770 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:16:01,770 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:16:01,770 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:16:01,771 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:16:01,771 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:16:01,771 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:16:01,771 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:16:01,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:16:01,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:16:01,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:16:01,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:16:01,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:16:01,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:16:01,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:16:01,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:16:01,773 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:16:01,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:16:01,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:16:01,774 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:16:01,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:16:01,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:16:01,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:16:01,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:16:01,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:16:01,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:16:01,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:16:01,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:16:01,776 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:16:01,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:16:01,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:16:01,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:16:01,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:16:01,776 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_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/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 -> 507fc1a89cb1dbaf587ff2c51fbab704dc92da4e [2019-12-07 14:16:01,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:16:01,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:16:01,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:16:01,890 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:16:01,891 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:16:01,891 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2019-12-07 14:16:01,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/data/f95e82a16/c4913b44b18246ac96f52c219377c5a5/FLAGbfb3f8db3 [2019-12-07 14:16:02,366 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:16:02,367 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2019-12-07 14:16:02,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/data/f95e82a16/c4913b44b18246ac96f52c219377c5a5/FLAGbfb3f8db3 [2019-12-07 14:16:02,704 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/data/f95e82a16/c4913b44b18246ac96f52c219377c5a5 [2019-12-07 14:16:02,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:16:02,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:16:02,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:02,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:16:02,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:16:02,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:02" (1/1) ... [2019-12-07 14:16:02,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf3238d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02, skipping insertion in model container [2019-12-07 14:16:02,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:02" (1/1) ... [2019-12-07 14:16:02,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:16:02,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:16:02,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:02,961 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 14:16:02,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c4e6ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:02, skipping insertion in model container [2019-12-07 14:16:02,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:02,962 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 14:16:02,964 INFO L168 Benchmark]: Toolchain (without parser) took 256.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:02,965 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:16:02,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:02,967 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 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 254.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 467]: 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 14:16:04,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:16:04,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:16:04,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:16:04,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:16:04,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:16:04,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:16:04,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:16:04,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:16:04,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:16:04,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:16:04,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:16:04,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:16:04,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:16:04,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:16:04,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:16:04,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:16:04,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:16:04,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:16:04,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:16:04,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:16:04,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:16:04,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:16:04,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:16:04,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:16:04,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:16:04,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:16:04,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:16:04,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:16:04,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:16:04,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:16:04,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:16:04,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:16:04,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:16:04,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:16:04,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:16:04,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:16:04,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:16:04,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:16:04,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:16:04,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:16:04,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:16:04,145 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:16:04,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:16:04,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:16:04,146 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:16:04,146 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:16:04,146 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:16:04,146 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:16:04,146 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:16:04,146 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:16:04,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:16:04,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:16:04,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:16:04,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:16:04,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:16:04,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:16:04,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:16:04,148 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:16:04,148 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:16:04,148 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:16:04,148 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:16:04,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:16:04,148 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:16:04,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:16:04,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:16:04,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:16:04,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:16:04,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:16:04,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:16:04,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:16:04,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:16:04,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:16:04,150 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:16:04,150 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:16:04,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:16:04,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:16:04,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:16:04,151 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_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/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 -> 507fc1a89cb1dbaf587ff2c51fbab704dc92da4e [2019-12-07 14:16:04,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:16:04,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:16:04,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:16:04,334 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:16:04,334 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:16:04,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2019-12-07 14:16:04,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/data/41be2286f/7a5a324aa07e46cab53946b8c1cbfe19/FLAG6c0a51ff3 [2019-12-07 14:16:04,753 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:16:04,753 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2019-12-07 14:16:04,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/data/41be2286f/7a5a324aa07e46cab53946b8c1cbfe19/FLAG6c0a51ff3 [2019-12-07 14:16:05,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/data/41be2286f/7a5a324aa07e46cab53946b8c1cbfe19 [2019-12-07 14:16:05,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:16:05,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:16:05,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:05,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:16:05,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:16:05,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:05" (1/1) ... [2019-12-07 14:16:05,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8ffd2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05, skipping insertion in model container [2019-12-07 14:16:05,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:05" (1/1) ... [2019-12-07 14:16:05,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:16:05,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:16:05,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:05,390 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:16:05,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:16:05,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:05,441 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:16:05,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:05,500 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:16:05,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05 WrapperNode [2019-12-07 14:16:05,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:05,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:16:05,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:16:05,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:16:05,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05" (1/1) ... [2019-12-07 14:16:05,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05" (1/1) ... [2019-12-07 14:16:05,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:16:05,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:16:05,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:16:05,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:16:05,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05" (1/1) ... [2019-12-07 14:16:05,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05" (1/1) ... [2019-12-07 14:16:05,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05" (1/1) ... [2019-12-07 14:16:05,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05" (1/1) ... [2019-12-07 14:16:05,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05" (1/1) ... [2019-12-07 14:16:05,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05" (1/1) ... [2019-12-07 14:16:05,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05" (1/1) ... [2019-12-07 14:16:05,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:16:05,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:16:05,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:16:05,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:16:05,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/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 14:16:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:16:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 14:16:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:16:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:16:06,044 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:16:06,045 INFO L287 CfgBuilder]: Removed 74 assume(true) statements. [2019-12-07 14:16:06,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:06 BoogieIcfgContainer [2019-12-07 14:16:06,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:16:06,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:16:06,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:16:06,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:16:06,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:16:05" (1/3) ... [2019-12-07 14:16:06,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362a5aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:16:06, skipping insertion in model container [2019-12-07 14:16:06,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:05" (2/3) ... [2019-12-07 14:16:06,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362a5aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:16:06, skipping insertion in model container [2019-12-07 14:16:06,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:06" (3/3) ... [2019-12-07 14:16:06,052 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2019-12-07 14:16:06,060 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:16:06,066 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:16:06,074 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:16:06,091 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:16:06,091 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:16:06,091 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:16:06,092 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:16:06,092 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:16:06,092 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:16:06,092 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:16:06,092 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:16:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-12-07 14:16:06,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 14:16:06,108 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:16:06,108 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:16:06,109 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:16:06,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:06,113 INFO L82 PathProgramCache]: Analyzing trace with hash 706591477, now seen corresponding path program 1 times [2019-12-07 14:16:06,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:16:06,122 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609246452] [2019-12-07 14:16:06,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/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 14:16:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:06,265 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:16:06,268 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:06,279 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 14:16:06,279 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:16:06,284 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 14:16:06,285 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609246452] [2019-12-07 14:16:06,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:16:06,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:16:06,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135611097] [2019-12-07 14:16:06,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:16:06,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:16:06,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:16:06,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:16:06,301 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-12-07 14:16:06,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:16:06,317 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2019-12-07 14:16:06,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:16:06,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 14:16:06,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:16:06,329 INFO L225 Difference]: With dead ends: 119 [2019-12-07 14:16:06,329 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 14:16:06,332 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 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 14:16:06,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 14:16:06,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-12-07 14:16:06,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-12-07 14:16:06,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2019-12-07 14:16:06,365 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2019-12-07 14:16:06,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:16:06,365 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2019-12-07 14:16:06,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:16:06,365 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-12-07 14:16:06,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 14:16:06,366 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:16:06,366 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:16:06,567 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:16:06,568 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:16:06,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:06,569 INFO L82 PathProgramCache]: Analyzing trace with hash 583909382, now seen corresponding path program 1 times [2019-12-07 14:16:06,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:16:06,571 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331321520] [2019-12-07 14:16:06,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/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 14:16:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:06,794 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:16:06,795 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:06,810 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 14:16:06,810 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:16:06,818 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 14:16:06,819 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331321520] [2019-12-07 14:16:06,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:16:06,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:16:06,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754198749] [2019-12-07 14:16:06,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:16:06,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:16:06,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:16:06,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:16:06,822 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 4 states. [2019-12-07 14:16:06,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:16:06,831 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2019-12-07 14:16:06,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:16:06,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 14:16:06,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:16:06,833 INFO L225 Difference]: With dead ends: 59 [2019-12-07 14:16:06,833 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 14:16:06,834 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 14:16:06,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 14:16:06,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 14:16:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 14:16:06,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 14:16:06,837 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-12-07 14:16:06,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:16:06,838 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 14:16:06,838 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:16:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-07 14:16:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 14:16:06,839 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:16:06,839 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] [2019-12-07 14:16:07,039 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:16:07,040 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:16:07,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:07,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1289655203, now seen corresponding path program 1 times [2019-12-07 14:16:07,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:16:07,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430847044] [2019-12-07 14:16:07,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/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 14:16:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:07,267 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:16:07,269 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:07,284 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 14:16:07,284 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:16:07,291 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 14:16:07,291 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430847044] [2019-12-07 14:16:07,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:16:07,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 14:16:07,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127714792] [2019-12-07 14:16:07,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:16:07,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:16:07,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:16:07,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:16:07,293 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2019-12-07 14:16:07,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:16:07,356 INFO L93 Difference]: Finished difference Result 126 states and 193 transitions. [2019-12-07 14:16:07,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:16:07,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 14:16:07,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:16:07,358 INFO L225 Difference]: With dead ends: 126 [2019-12-07 14:16:07,358 INFO L226 Difference]: Without dead ends: 102 [2019-12-07 14:16:07,358 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 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 14:16:07,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-12-07 14:16:07,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 50. [2019-12-07 14:16:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-12-07 14:16:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2019-12-07 14:16:07,366 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 24 [2019-12-07 14:16:07,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:16:07,366 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2019-12-07 14:16:07,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:16:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2019-12-07 14:16:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 14:16:07,367 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:16:07,367 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 14:16:07,568 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:16:07,568 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:16:07,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:07,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1754974165, now seen corresponding path program 1 times [2019-12-07 14:16:07,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:16:07,571 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283792893] [2019-12-07 14:16:07,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/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 14:16:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:07,747 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:16:07,748 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:07,763 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 14:16:07,763 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:16:07,766 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 14:16:07,766 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283792893] [2019-12-07 14:16:07,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:16:07,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 14:16:07,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958629876] [2019-12-07 14:16:07,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:16:07,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:16:07,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:16:07,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:16:07,768 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand 5 states. [2019-12-07 14:16:07,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:16:07,845 INFO L93 Difference]: Finished difference Result 148 states and 220 transitions. [2019-12-07 14:16:07,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:16:07,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 14:16:07,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:16:07,846 INFO L225 Difference]: With dead ends: 148 [2019-12-07 14:16:07,846 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:16:07,847 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 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 14:16:07,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:16:07,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:16:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:16:07,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:16:07,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-12-07 14:16:07,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:16:07,848 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:16:07,848 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:16:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:16:07,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:16:08,049 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:16:08,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:16:08,274 INFO L242 CegarLoopResult]: At program point L316(lines 311 318) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 14:16:08,274 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2019-12-07 14:16:08,274 INFO L242 CegarLoopResult]: At program point L168(lines 167 186) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:16:08,274 INFO L246 CegarLoopResult]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2019-12-07 14:16:08,275 INFO L242 CegarLoopResult]: At program point L168-2(lines 167 186) the Hoare annotation is: false [2019-12-07 14:16:08,275 INFO L242 CegarLoopResult]: At program point L168-3(lines 167 186) the Hoare annotation is: false [2019-12-07 14:16:08,275 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:16:08,275 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-12-07 14:16:08,275 INFO L246 CegarLoopResult]: For program point L434-1(line 434) no Hoare annotation was computed. [2019-12-07 14:16:08,275 INFO L246 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2019-12-07 14:16:08,275 INFO L246 CegarLoopResult]: For program point L434-2(line 434) no Hoare annotation was computed. [2019-12-07 14:16:08,275 INFO L246 CegarLoopResult]: For program point L104(lines 104 110) no Hoare annotation was computed. [2019-12-07 14:16:08,276 INFO L242 CegarLoopResult]: At program point L104-1(lines 104 110) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:16:08,276 INFO L249 CegarLoopResult]: At program point L897(lines 878 900) the Hoare annotation is: true [2019-12-07 14:16:08,276 INFO L242 CegarLoopResult]: At program point L864(lines 860 866) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 14:16:08,276 INFO L242 CegarLoopResult]: At program point L816-2(lines 816 830) the Hoare annotation is: false [2019-12-07 14:16:08,276 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 14:16:08,276 INFO L246 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2019-12-07 14:16:08,276 INFO L246 CegarLoopResult]: For program point L289(lines 289 295) no Hoare annotation was computed. [2019-12-07 14:16:08,276 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:16:08,277 INFO L242 CegarLoopResult]: At program point L289-1(lines 289 295) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:16:08,277 INFO L246 CegarLoopResult]: For program point L124(lines 124 139) no Hoare annotation was computed. [2019-12-07 14:16:08,277 INFO L246 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2019-12-07 14:16:08,277 INFO L246 CegarLoopResult]: For program point L356-3(lines 356 360) no Hoare annotation was computed. [2019-12-07 14:16:08,277 INFO L246 CegarLoopResult]: For program point L356-6(lines 356 360) no Hoare annotation was computed. [2019-12-07 14:16:08,277 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2019-12-07 14:16:08,277 INFO L242 CegarLoopResult]: At program point L175(lines 175 181) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:16:08,277 INFO L242 CegarLoopResult]: At program point L175-1(lines 175 181) the Hoare annotation is: false [2019-12-07 14:16:08,277 INFO L242 CegarLoopResult]: At program point L175-2(lines 175 181) the Hoare annotation is: false [2019-12-07 14:16:08,278 INFO L246 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-12-07 14:16:08,278 INFO L246 CegarLoopResult]: For program point L820-1(lines 168 174) no Hoare annotation was computed. [2019-12-07 14:16:08,278 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:16:08,278 INFO L242 CegarLoopResult]: At program point L144(lines 93 145) the Hoare annotation is: false [2019-12-07 14:16:08,278 INFO L246 CegarLoopResult]: For program point L95(lines 94 143) no Hoare annotation was computed. [2019-12-07 14:16:08,278 INFO L246 CegarLoopResult]: For program point L888(lines 888 895) no Hoare annotation was computed. [2019-12-07 14:16:08,278 INFO L249 CegarLoopResult]: At program point L888-1(lines 888 895) the Hoare annotation is: true [2019-12-07 14:16:08,278 INFO L242 CegarLoopResult]: At program point L393(lines 388 396) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:16:08,278 INFO L242 CegarLoopResult]: At program point L393-1(lines 388 396) the Hoare annotation is: false [2019-12-07 14:16:08,279 INFO L246 CegarLoopResult]: For program point L327(lines 327 344) no Hoare annotation was computed. [2019-12-07 14:16:08,279 INFO L242 CegarLoopResult]: At program point L393-2(lines 388 396) the Hoare annotation is: false [2019-12-07 14:16:08,279 INFO L242 CegarLoopResult]: At program point L327-1(lines 1 900) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:16:08,279 INFO L246 CegarLoopResult]: For program point L327-2(lines 327 344) no Hoare annotation was computed. [2019-12-07 14:16:08,279 INFO L242 CegarLoopResult]: At program point L327-3(lines 1 900) the Hoare annotation is: false [2019-12-07 14:16:08,279 INFO L246 CegarLoopResult]: For program point L327-4(lines 327 344) no Hoare annotation was computed. [2019-12-07 14:16:08,279 INFO L242 CegarLoopResult]: At program point L327-5(lines 1 900) the Hoare annotation is: false [2019-12-07 14:16:08,279 INFO L246 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2019-12-07 14:16:08,280 INFO L242 CegarLoopResult]: At program point L245(lines 240 248) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:16:08,280 INFO L242 CegarLoopResult]: At program point L245-1(lines 240 248) the Hoare annotation is: false [2019-12-07 14:16:08,280 INFO L242 CegarLoopResult]: At program point L245-2(lines 240 248) the Hoare annotation is: false [2019-12-07 14:16:08,280 INFO L246 CegarLoopResult]: For program point L114(lines 114 120) no Hoare annotation was computed. [2019-12-07 14:16:08,280 INFO L242 CegarLoopResult]: At program point L114-1(lines 114 120) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:16:08,280 INFO L242 CegarLoopResult]: At program point L65(lines 1 900) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32))) [2019-12-07 14:16:08,280 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:16:08,280 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2019-12-07 14:16:08,280 INFO L246 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2019-12-07 14:16:08,281 INFO L242 CegarLoopResult]: At program point L132-1(lines 168 174) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 14:16:08,281 INFO L246 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-12-07 14:16:08,281 INFO L246 CegarLoopResult]: For program point L331(lines 331 341) no Hoare annotation was computed. [2019-12-07 14:16:08,281 INFO L246 CegarLoopResult]: For program point L331-2(lines 331 341) no Hoare annotation was computed. [2019-12-07 14:16:08,281 INFO L246 CegarLoopResult]: For program point L331-4(lines 331 341) no Hoare annotation was computed. [2019-12-07 14:16:08,281 INFO L246 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-12-07 14:16:08,281 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 338) no Hoare annotation was computed. [2019-12-07 14:16:08,281 INFO L246 CegarLoopResult]: For program point L332-4(lines 332 338) no Hoare annotation was computed. [2019-12-07 14:16:08,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:16:08 BoogieIcfgContainer [2019-12-07 14:16:08,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:16:08,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:16:08,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:16:08,297 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:16:08,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:06" (3/4) ... [2019-12-07 14:16:08,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:16:08,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 14:16:08,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 14:16:08,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:16:08,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:16:08,314 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:16:08,314 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:16:08,315 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:16:08,336 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 14:16:08,368 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1dfbd6b5-57d3-43e4-920f-6e49fe8c8871/bin/utaipan/witness.graphml [2019-12-07 14:16:08,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:16:08,370 INFO L168 Benchmark]: Toolchain (without parser) took 3240.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.0 MB in the beginning and 861.2 MB in the end (delta: 85.8 MB). Peak memory consumption was 220.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:08,370 INFO L168 Benchmark]: CDTParser took 0.17 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 14:16:08,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:08,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.66 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 14:16:08,371 INFO L168 Benchmark]: Boogie Preprocessor took 25.90 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:08,371 INFO L168 Benchmark]: RCFGBuilder took 476.18 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: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:08,372 INFO L168 Benchmark]: TraceAbstraction took 2249.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 867.8 MB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:08,372 INFO L168 Benchmark]: Witness Printer took 71.20 ms. Allocated memory is still 1.2 GB. Free memory was 867.8 MB in the beginning and 861.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:08,373 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.66 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. * Boogie Preprocessor took 25.90 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 476.18 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: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2249.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 867.8 MB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 11.5 GB. * Witness Printer took 71.20 ms. Allocated memory is still 1.2 GB. Free memory was 867.8 MB in the beginning and 861.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 434]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 434]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 434]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && methaneLevelCritical == 0bv32 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 245 SDtfs, 281 SDslu, 265 SDs, 0 SdLazy, 40 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 74 NumberOfFragments, 108 HoareAnnotationTreeSize, 27 FomulaSimplifications, 1202 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 5904 SizeOfPredicates, 7 NumberOfNonLiveVariables, 733 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 correct! Received shutdown request...