./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.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_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/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 91808fa59972e91d32c73c53b248d30b06ddb4c6 ...................................................................................................................................... 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_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/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 91808fa59972e91d32c73c53b248d30b06ddb4c6 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:53:12,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:53:12,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:53:12,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:53:12,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:53:12,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:53:12,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:53:12,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:53:12,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:53:12,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:53:12,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:53:12,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:53:12,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:53:12,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:53:12,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:53:12,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:53:12,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:53:12,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:53:12,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:53:12,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:53:12,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:53:12,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:53:12,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:53:12,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:53:12,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:53:12,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:53:12,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:53:12,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:53:12,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:53:12,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:53:12,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:53:12,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:53:12,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:53:12,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:53:12,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:53:12,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:53:12,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:53:12,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:53:12,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:53:12,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:53:12,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:53:13,000 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:53:13,010 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:53:13,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:53:13,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:53:13,011 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:53:13,011 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:53:13,011 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:53:13,011 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:53:13,012 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:53:13,012 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:53:13,012 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:53:13,012 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:53:13,012 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:53:13,012 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:53:13,012 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:53:13,012 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:53:13,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:53:13,013 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:53:13,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:53:13,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:53:13,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:53:13,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:53:13,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:53:13,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:53:13,014 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:53:13,014 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:53:13,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:53:13,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:53:13,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:53:13,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:53:13,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:53:13,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:53:13,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:53:13,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:53:13,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:53:13,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:53:13,015 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:53:13,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:53:13,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:53:13,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:53:13,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:53:13,016 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_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/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 -> 91808fa59972e91d32c73c53b248d30b06ddb4c6 [2019-12-07 20:53:13,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:53:13,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:53:13,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:53:13,126 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:53:13,126 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:53:13,127 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2019-12-07 20:53:13,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/data/26f2dfe8a/8b5c12339ca44e78b2cea0b13fc0fc7f/FLAG1351afead [2019-12-07 20:53:13,626 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:53:13,626 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2019-12-07 20:53:13,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/data/26f2dfe8a/8b5c12339ca44e78b2cea0b13fc0fc7f/FLAG1351afead [2019-12-07 20:53:13,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/data/26f2dfe8a/8b5c12339ca44e78b2cea0b13fc0fc7f [2019-12-07 20:53:13,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:53:13,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:53:13,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:53:13,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:53:13,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:53:13,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:53:13" (1/1) ... [2019-12-07 20:53:13,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:13, skipping insertion in model container [2019-12-07 20:53:13,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:53:13" (1/1) ... [2019-12-07 20:53:13,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:53:13,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:53:13,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:53:13,900 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 20:53:13,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35cd3e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:13, skipping insertion in model container [2019-12-07 20:53:13,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:53:13,901 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:53:13,903 INFO L168 Benchmark]: Toolchain (without parser) took 254.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:53:13,903 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:53:13,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 933.5 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:53:13,905 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 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 933.5 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 502]: 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 20:53:15,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:53:15,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:53:15,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:53:15,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:53:15,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:53:15,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:53:15,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:53:15,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:53:15,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:53:15,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:53:15,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:53:15,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:53:15,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:53:15,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:53:15,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:53:15,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:53:15,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:53:15,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:53:15,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:53:15,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:53:15,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:53:15,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:53:15,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:53:15,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:53:15,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:53:15,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:53:15,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:53:15,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:53:15,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:53:15,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:53:15,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:53:15,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:53:15,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:53:15,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:53:15,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:53:15,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:53:15,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:53:15,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:53:15,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:53:15,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:53:15,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:53:15,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:53:15,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:53:15,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:53:15,062 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:53:15,062 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:53:15,062 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:53:15,062 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:53:15,062 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:53:15,063 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:53:15,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:53:15,063 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:53:15,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:53:15,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:53:15,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:53:15,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:53:15,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:53:15,064 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:53:15,064 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:53:15,064 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:53:15,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:53:15,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:53:15,065 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:53:15,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:53:15,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:53:15,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:53:15,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:53:15,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:53:15,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:53:15,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:53:15,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:53:15,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:53:15,066 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:53:15,066 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:53:15,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:53:15,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:53:15,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:53:15,066 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_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/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 -> 91808fa59972e91d32c73c53b248d30b06ddb4c6 [2019-12-07 20:53:15,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:53:15,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:53:15,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:53:15,257 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:53:15,257 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:53:15,258 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2019-12-07 20:53:15,305 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/data/9cf325739/f6ef7938fda042c8b668a2e5432d9bfa/FLAG17661a849 [2019-12-07 20:53:15,724 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:53:15,724 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2019-12-07 20:53:15,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/data/9cf325739/f6ef7938fda042c8b668a2e5432d9bfa/FLAG17661a849 [2019-12-07 20:53:16,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/data/9cf325739/f6ef7938fda042c8b668a2e5432d9bfa [2019-12-07 20:53:16,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:53:16,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:53:16,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:53:16,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:53:16,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:53:16,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:53:16" (1/1) ... [2019-12-07 20:53:16,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16, skipping insertion in model container [2019-12-07 20:53:16,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:53:16" (1/1) ... [2019-12-07 20:53:16,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:53:16,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:53:16,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:53:16,339 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:53:16,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:53:16,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:53:16,394 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:53:16,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:53:16,456 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:53:16,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16 WrapperNode [2019-12-07 20:53:16,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:53:16,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:53:16,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:53:16,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:53:16,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16" (1/1) ... [2019-12-07 20:53:16,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16" (1/1) ... [2019-12-07 20:53:16,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:53:16,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:53:16,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:53:16,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:53:16,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16" (1/1) ... [2019-12-07 20:53:16,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16" (1/1) ... [2019-12-07 20:53:16,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16" (1/1) ... [2019-12-07 20:53:16,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16" (1/1) ... [2019-12-07 20:53:16,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16" (1/1) ... [2019-12-07 20:53:16,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16" (1/1) ... [2019-12-07 20:53:16,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16" (1/1) ... [2019-12-07 20:53:16,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:53:16,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:53:16,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:53:16,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:53:16,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/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 20:53:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:53:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:53:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:53:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:53:17,065 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:53:17,066 INFO L287 CfgBuilder]: Removed 156 assume(true) statements. [2019-12-07 20:53:17,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:53:17 BoogieIcfgContainer [2019-12-07 20:53:17,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:53:17,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:53:17,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:53:17,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:53:17,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:53:16" (1/3) ... [2019-12-07 20:53:17,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f58ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:53:17, skipping insertion in model container [2019-12-07 20:53:17,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:53:16" (2/3) ... [2019-12-07 20:53:17,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f58ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:53:17, skipping insertion in model container [2019-12-07 20:53:17,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:53:17" (3/3) ... [2019-12-07 20:53:17,072 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2019-12-07 20:53:17,079 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:53:17,085 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:53:17,093 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:53:17,109 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:53:17,109 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:53:17,110 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:53:17,110 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:53:17,110 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:53:17,110 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:53:17,110 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:53:17,110 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:53:17,122 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-12-07 20:53:17,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:53:17,126 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:53:17,127 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:53:17,127 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:53:17,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:53:17,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2019-12-07 20:53:17,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:53:17,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623845145] [2019-12-07 20:53:17,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/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 20:53:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:53:17,286 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:53:17,289 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:53:17,299 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 20:53:17,299 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:53:17,303 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 20:53:17,303 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623845145] [2019-12-07 20:53:17,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:53:17,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:53:17,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620133798] [2019-12-07 20:53:17,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:53:17,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:53:17,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:53:17,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:53:17,318 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2019-12-07 20:53:17,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:53:17,340 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2019-12-07 20:53:17,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:53:17,341 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 20:53:17,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:53:17,349 INFO L225 Difference]: With dead ends: 204 [2019-12-07 20:53:17,349 INFO L226 Difference]: Without dead ends: 101 [2019-12-07 20:53:17,352 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 20:53:17,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-12-07 20:53:17,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-12-07 20:53:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-12-07 20:53:17,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2019-12-07 20:53:17,392 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2019-12-07 20:53:17,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:53:17,393 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-12-07 20:53:17,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:53:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2019-12-07 20:53:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:53:17,394 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:53:17,394 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 20:53:17,595 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:53:17,595 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:53:17,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:53:17,596 INFO L82 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2019-12-07 20:53:17,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:53:17,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111522123] [2019-12-07 20:53:17,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/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 20:53:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:53:17,705 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:53:17,706 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:53:17,719 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 20:53:17,720 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:53:17,729 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 20:53:17,729 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111522123] [2019-12-07 20:53:17,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:53:17,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:53:17,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329591889] [2019-12-07 20:53:17,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:53:17,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:53:17,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:53:17,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:53:17,732 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 4 states. [2019-12-07 20:53:17,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:53:17,746 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2019-12-07 20:53:17,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:53:17,747 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 20:53:17,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:53:17,747 INFO L225 Difference]: With dead ends: 101 [2019-12-07 20:53:17,748 INFO L226 Difference]: Without dead ends: 43 [2019-12-07 20:53:17,749 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 20:53:17,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-07 20:53:17,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-07 20:53:17,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-07 20:53:17,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2019-12-07 20:53:17,755 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2019-12-07 20:53:17,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:53:17,755 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2019-12-07 20:53:17,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:53:17,755 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2019-12-07 20:53:17,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:53:17,756 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:53:17,756 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 20:53:17,957 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:53:17,957 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:53:17,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:53:17,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2019-12-07 20:53:17,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:53:17,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564106547] [2019-12-07 20:53:17,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/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 20:53:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:53:18,099 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:53:18,100 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:53:18,109 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 20:53:18,110 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:53:18,117 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 20:53:18,117 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564106547] [2019-12-07 20:53:18,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:53:18,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:53:18,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089694994] [2019-12-07 20:53:18,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:53:18,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:53:18,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:53:18,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:53:18,119 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 4 states. [2019-12-07 20:53:18,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:53:18,125 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2019-12-07 20:53:18,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:53:18,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 20:53:18,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:53:18,127 INFO L225 Difference]: With dead ends: 80 [2019-12-07 20:53:18,127 INFO L226 Difference]: Without dead ends: 43 [2019-12-07 20:53:18,128 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 20:53:18,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-07 20:53:18,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-07 20:53:18,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-07 20:53:18,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2019-12-07 20:53:18,132 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2019-12-07 20:53:18,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:53:18,133 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2019-12-07 20:53:18,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:53:18,133 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2019-12-07 20:53:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:53:18,134 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:53:18,134 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 20:53:18,334 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:53:18,335 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:53:18,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:53:18,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2019-12-07 20:53:18,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:53:18,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594004554] [2019-12-07 20:53:18,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/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 20:53:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:53:18,474 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:53:18,475 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:53:18,492 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 20:53:18,492 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:53:18,500 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 20:53:18,500 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594004554] [2019-12-07 20:53:18,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:53:18,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:53:18,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815915022] [2019-12-07 20:53:18,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:53:18,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:53:18,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:53:18,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:53:18,501 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2019-12-07 20:53:18,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:53:18,600 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2019-12-07 20:53:18,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:53:18,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 20:53:18,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:53:18,603 INFO L225 Difference]: With dead ends: 204 [2019-12-07 20:53:18,603 INFO L226 Difference]: Without dead ends: 167 [2019-12-07 20:53:18,604 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 20:53:18,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-12-07 20:53:18,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2019-12-07 20:53:18,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-12-07 20:53:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2019-12-07 20:53:18,618 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2019-12-07 20:53:18,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:53:18,618 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2019-12-07 20:53:18,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:53:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2019-12-07 20:53:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 20:53:18,620 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:53:18,620 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 20:53:18,820 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:53:18,821 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:53:18,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:53:18,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1795216542, now seen corresponding path program 1 times [2019-12-07 20:53:18,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:53:18,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158758847] [2019-12-07 20:53:18,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/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 20:53:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:53:18,937 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:53:18,938 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:53:18,950 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 20:53:18,950 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:53:18,952 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 20:53:18,952 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158758847] [2019-12-07 20:53:18,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:53:18,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:53:18,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132757833] [2019-12-07 20:53:18,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:53:18,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:53:18,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:53:18,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:53:18,953 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 5 states. [2019-12-07 20:53:19,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:53:19,027 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2019-12-07 20:53:19,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:53:19,027 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 20:53:19,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:53:19,028 INFO L225 Difference]: With dead ends: 174 [2019-12-07 20:53:19,028 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:53:19,029 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 20:53:19,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:53:19,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:53:19,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:53:19,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:53:19,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-12-07 20:53:19,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:53:19,029 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:53:19,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:53:19,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:53:19,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:53:19,230 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:53:19,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:53:19,544 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 934) no Hoare annotation was computed. [2019-12-07 20:53:19,544 INFO L246 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-12-07 20:53:19,544 INFO L246 CegarLoopResult]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2019-12-07 20:53:19,544 INFO L246 CegarLoopResult]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2019-12-07 20:53:19,544 INFO L246 CegarLoopResult]: For program point L234-5(lines 234 238) no Hoare annotation was computed. [2019-12-07 20:53:19,544 INFO L246 CegarLoopResult]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2019-12-07 20:53:19,545 INFO L246 CegarLoopResult]: For program point L234-8(lines 234 238) no Hoare annotation was computed. [2019-12-07 20:53:19,545 INFO L246 CegarLoopResult]: For program point L234-9(lines 234 238) no Hoare annotation was computed. [2019-12-07 20:53:19,545 INFO L246 CegarLoopResult]: For program point L234-11(lines 234 238) no Hoare annotation was computed. [2019-12-07 20:53:19,545 INFO L246 CegarLoopResult]: For program point L234-12(lines 234 238) no Hoare annotation was computed. [2019-12-07 20:53:19,545 INFO L246 CegarLoopResult]: For program point L234-14(lines 234 238) no Hoare annotation was computed. [2019-12-07 20:53:19,545 INFO L246 CegarLoopResult]: For program point L234-15(lines 234 238) no Hoare annotation was computed. [2019-12-07 20:53:19,545 INFO L246 CegarLoopResult]: For program point L234-17(lines 234 238) no Hoare annotation was computed. [2019-12-07 20:53:19,545 INFO L246 CegarLoopResult]: For program point L268(lines 268 274) no Hoare annotation was computed. [2019-12-07 20:53:19,545 INFO L242 CegarLoopResult]: At program point L268-1(lines 268 274) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:53:19,545 INFO L242 CegarLoopResult]: At program point L434(lines 1 937) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:53:19,545 INFO L242 CegarLoopResult]: At program point L304(lines 257 305) the Hoare annotation is: false [2019-12-07 20:53:19,545 INFO L242 CegarLoopResult]: At program point L372(lines 368 374) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:53:19,546 INFO L242 CegarLoopResult]: At program point L240(lines 225 243) the Hoare annotation is: false [2019-12-07 20:53:19,546 INFO L242 CegarLoopResult]: At program point L240-1(lines 225 243) the Hoare annotation is: false [2019-12-07 20:53:19,546 INFO L242 CegarLoopResult]: At program point L240-2(lines 225 243) the Hoare annotation is: false [2019-12-07 20:53:19,546 INFO L242 CegarLoopResult]: At program point L240-3(lines 225 243) the Hoare annotation is: false [2019-12-07 20:53:19,546 INFO L242 CegarLoopResult]: At program point L240-4(lines 225 243) the Hoare annotation is: false [2019-12-07 20:53:19,546 INFO L242 CegarLoopResult]: At program point L240-5(lines 225 243) the Hoare annotation is: false [2019-12-07 20:53:19,546 INFO L246 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2019-12-07 20:53:19,546 INFO L246 CegarLoopResult]: For program point L934-1(line 934) no Hoare annotation was computed. [2019-12-07 20:53:19,546 INFO L246 CegarLoopResult]: For program point L934-2(line 934) no Hoare annotation was computed. [2019-12-07 20:53:19,546 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 934) no Hoare annotation was computed. [2019-12-07 20:53:19,546 INFO L249 CegarLoopResult]: At program point L407(lines 388 410) the Hoare annotation is: true [2019-12-07 20:53:19,546 INFO L242 CegarLoopResult]: At program point L176(lines 169 179) the Hoare annotation is: false [2019-12-07 20:53:19,546 INFO L242 CegarLoopResult]: At program point L176-1(lines 169 179) the Hoare annotation is: false [2019-12-07 20:53:19,547 INFO L242 CegarLoopResult]: At program point L176-2(lines 169 179) the Hoare annotation is: false [2019-12-07 20:53:19,547 INFO L246 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2019-12-07 20:53:19,547 INFO L242 CegarLoopResult]: At program point L442(lines 437 445) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:53:19,547 INFO L246 CegarLoopResult]: For program point L278(lines 278 284) no Hoare annotation was computed. [2019-12-07 20:53:19,547 INFO L242 CegarLoopResult]: At program point L278-1(lines 278 284) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:53:19,547 INFO L246 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2019-12-07 20:53:19,547 INFO L246 CegarLoopResult]: For program point L115-1(lines 115 132) no Hoare annotation was computed. [2019-12-07 20:53:19,547 INFO L246 CegarLoopResult]: For program point L115-2(lines 115 132) no Hoare annotation was computed. [2019-12-07 20:53:19,547 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:53:19,547 INFO L242 CegarLoopResult]: At program point L185(lines 180 188) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:53:19,547 INFO L242 CegarLoopResult]: At program point L185-1(lines 180 188) the Hoare annotation is: false [2019-12-07 20:53:19,547 INFO L246 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2019-12-07 20:53:19,547 INFO L242 CegarLoopResult]: At program point L185-2(lines 180 188) the Hoare annotation is: false [2019-12-07 20:53:19,547 INFO L246 CegarLoopResult]: For program point L119-1(lines 119 127) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L246 CegarLoopResult]: For program point L119-2(lines 119 127) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L246 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L246 CegarLoopResult]: For program point L847-3(lines 847 851) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L246 CegarLoopResult]: For program point L847-6(lines 847 851) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L246 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L246 CegarLoopResult]: For program point L89-1(lines 89 106) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L246 CegarLoopResult]: For program point L89-2(lines 89 106) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L246 CegarLoopResult]: For program point L89-3(lines 89 106) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L246 CegarLoopResult]: For program point L89-4(lines 89 106) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L246 CegarLoopResult]: For program point L89-5(lines 89 106) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L246 CegarLoopResult]: For program point L288(lines 288 299) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L242 CegarLoopResult]: At program point L57(lines 56 75) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:53:19,548 INFO L246 CegarLoopResult]: For program point L57-1(lines 57 63) no Hoare annotation was computed. [2019-12-07 20:53:19,548 INFO L242 CegarLoopResult]: At program point L57-2(lines 56 75) the Hoare annotation is: false [2019-12-07 20:53:19,548 INFO L242 CegarLoopResult]: At program point L57-3(lines 56 75) the Hoare annotation is: false [2019-12-07 20:53:19,549 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:53:19,549 INFO L242 CegarLoopResult]: At program point L884(lines 879 887) the Hoare annotation is: false [2019-12-07 20:53:19,549 INFO L242 CegarLoopResult]: At program point L884-1(lines 879 887) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:53:19,549 INFO L242 CegarLoopResult]: At program point L884-2(lines 879 887) the Hoare annotation is: false [2019-12-07 20:53:19,549 INFO L242 CegarLoopResult]: At program point L884-3(lines 879 887) the Hoare annotation is: false [2019-12-07 20:53:19,549 INFO L242 CegarLoopResult]: At program point L884-4(lines 879 887) the Hoare annotation is: false [2019-12-07 20:53:19,549 INFO L242 CegarLoopResult]: At program point L884-5(lines 879 887) the Hoare annotation is: false [2019-12-07 20:53:19,549 INFO L246 CegarLoopResult]: For program point L456(lines 456 469) no Hoare annotation was computed. [2019-12-07 20:53:19,549 INFO L242 CegarLoopResult]: At program point L456-1(lines 1 937) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:53:19,549 INFO L246 CegarLoopResult]: For program point L456-2(lines 456 469) no Hoare annotation was computed. [2019-12-07 20:53:19,549 INFO L242 CegarLoopResult]: At program point L456-3(lines 1 937) the Hoare annotation is: false [2019-12-07 20:53:19,549 INFO L246 CegarLoopResult]: For program point L456-4(lines 456 469) no Hoare annotation was computed. [2019-12-07 20:53:19,549 INFO L242 CegarLoopResult]: At program point L456-5(lines 1 937) the Hoare annotation is: false [2019-12-07 20:53:19,549 INFO L242 CegarLoopResult]: At program point L324-2(lines 324 338) the Hoare annotation is: false [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point L93-1(lines 93 101) no Hoare annotation was computed. [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point L93-2(lines 93 101) no Hoare annotation was computed. [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point L93-3(lines 93 101) no Hoare annotation was computed. [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point L93-4(lines 93 101) no Hoare annotation was computed. [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point L93-5(lines 93 101) no Hoare annotation was computed. [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point L259(lines 258 303) no Hoare annotation was computed. [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point L294-2(lines 57 63) no Hoare annotation was computed. [2019-12-07 20:53:19,550 INFO L246 CegarLoopResult]: For program point L460(lines 460 466) no Hoare annotation was computed. [2019-12-07 20:53:19,551 INFO L246 CegarLoopResult]: For program point L460-2(lines 460 466) no Hoare annotation was computed. [2019-12-07 20:53:19,551 INFO L246 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2019-12-07 20:53:19,551 INFO L246 CegarLoopResult]: For program point L460-4(lines 460 466) no Hoare annotation was computed. [2019-12-07 20:53:19,551 INFO L246 CegarLoopResult]: For program point L328-1(lines 57 63) no Hoare annotation was computed. [2019-12-07 20:53:19,551 INFO L242 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 20:53:19,551 INFO L242 CegarLoopResult]: At program point L64-1(lines 64 70) the Hoare annotation is: false [2019-12-07 20:53:19,551 INFO L242 CegarLoopResult]: At program point L64-2(lines 64 70) the Hoare annotation is: false [2019-12-07 20:53:19,551 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:53:19,551 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 934) no Hoare annotation was computed. [2019-12-07 20:53:19,551 INFO L242 CegarLoopResult]: At program point L925(lines 920 928) the Hoare annotation is: false [2019-12-07 20:53:19,551 INFO L242 CegarLoopResult]: At program point L925-1(lines 920 928) the Hoare annotation is: false [2019-12-07 20:53:19,552 INFO L246 CegarLoopResult]: For program point L859(lines 859 863) no Hoare annotation was computed. [2019-12-07 20:53:19,552 INFO L242 CegarLoopResult]: At program point L925-2(lines 920 928) the Hoare annotation is: false [2019-12-07 20:53:19,552 INFO L242 CegarLoopResult]: At program point L925-3(lines 920 928) the Hoare annotation is: false [2019-12-07 20:53:19,552 INFO L242 CegarLoopResult]: At program point L925-4(lines 920 928) the Hoare annotation is: false [2019-12-07 20:53:19,552 INFO L242 CegarLoopResult]: At program point L925-5(lines 920 928) the Hoare annotation is: false [2019-12-07 20:53:19,552 INFO L246 CegarLoopResult]: For program point L398(lines 398 405) no Hoare annotation was computed. [2019-12-07 20:53:19,552 INFO L249 CegarLoopResult]: At program point L398-1(lines 398 405) the Hoare annotation is: true [2019-12-07 20:53:19,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:53:19 BoogieIcfgContainer [2019-12-07 20:53:19,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:53:19,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:53:19,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:53:19,568 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:53:19,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:53:17" (3/4) ... [2019-12-07 20:53:19,571 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:53:19,586 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:53:19,586 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:53:19,587 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:53:19,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:53:19,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:53:19,589 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:53:19,589 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:53:19,610 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 20:53:19,650 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e1fe63af-0ba3-432b-9f9d-df5d26849aa7/bin/utaipan/witness.graphml [2019-12-07 20:53:19,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:53:19,652 INFO L168 Benchmark]: Toolchain (without parser) took 3572.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 945.6 MB in the beginning and 1.2 GB in the end (delta: -223.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:53:19,652 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 20:53:19,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:53:19,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.84 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:53:19,652 INFO L168 Benchmark]: Boogie Preprocessor took 30.70 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 20:53:19,653 INFO L168 Benchmark]: RCFGBuilder took 533.57 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: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:53:19,653 INFO L168 Benchmark]: TraceAbstraction took 2499.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -164.6 MB). Peak memory consumption was 228.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:53:19,653 INFO L168 Benchmark]: Witness Printer took 83.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:53:19,654 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 376.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.84 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.70 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 533.57 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: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2499.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -164.6 MB). Peak memory consumption was 228.3 MB. Max. memory is 11.5 GB. * Witness Printer took 83.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 934]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 934]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 934]: 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: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 412 SDtfs, 460 SDslu, 332 SDs, 0 SdLazy, 58 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred 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, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 77 NumberOfFragments, 155 HoareAnnotationTreeSize, 42 FomulaSimplifications, 930 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 308 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 8995 SizeOfPredicates, 8 NumberOfNonLiveVariables, 905 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...