./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/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 aa894c4db149ffc20490feb4bd4b6a764b6f938d ....................................................................................................................................... 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_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/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 aa894c4db149ffc20490feb4bd4b6a764b6f938d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:33:37,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:33:37,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:33:37,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:33:37,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:33:37,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:33:37,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:33:37,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:33:37,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:33:37,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:33:37,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:33:37,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:33:37,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:33:37,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:33:37,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:33:37,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:33:37,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:33:37,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:33:37,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:33:37,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:33:37,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:33:37,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:33:37,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:33:37,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:33:37,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:33:37,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:33:37,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:33:37,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:33:37,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:33:37,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:33:37,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:33:37,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:33:37,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:33:37,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:33:37,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:33:37,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:33:37,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:33:37,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:33:37,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:33:37,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:33:37,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:33:37,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:33:37,961 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:33:37,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:33:37,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:33:37,962 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:33:37,962 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:33:37,962 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:33:37,962 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:33:37,962 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:33:37,962 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:33:37,962 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:33:37,963 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:33:37,963 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:33:37,963 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:33:37,963 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:33:37,963 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:33:37,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:33:37,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:33:37,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:33:37,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:33:37,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:33:37,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:33:37,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:33:37,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:33:37,964 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:33:37,965 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:33:37,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:33:37,965 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:33:37,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:33:37,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:33:37,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:33:37,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:33:37,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:33:37,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:33:37,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:33:37,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:33:37,966 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:33:37,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:33:37,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:33:37,966 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:33:37,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:33:37,966 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_a34be695-f129-4531-9c43-a562cebc0105/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 -> aa894c4db149ffc20490feb4bd4b6a764b6f938d [2019-12-07 11:33:38,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:33:38,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:33:38,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:33:38,074 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:33:38,075 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:33:38,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2019-12-07 11:33:38,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/data/faedf4546/cd364b7c425d4c7bb80da89bd8757dcc/FLAG87d87835c [2019-12-07 11:33:38,568 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:33:38,568 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2019-12-07 11:33:38,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/data/faedf4546/cd364b7c425d4c7bb80da89bd8757dcc/FLAG87d87835c [2019-12-07 11:33:38,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/data/faedf4546/cd364b7c425d4c7bb80da89bd8757dcc [2019-12-07 11:33:38,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:33:38,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:33:38,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:33:38,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:33:38,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:33:38,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:33:38" (1/1) ... [2019-12-07 11:33:38,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:38, skipping insertion in model container [2019-12-07 11:33:38,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:33:38" (1/1) ... [2019-12-07 11:33:38,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:33:38,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:33:38,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:33:38,856 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 11:33:38,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51c26ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:38, skipping insertion in model container [2019-12-07 11:33:38,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:33:38,857 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 11:33:38,859 INFO L168 Benchmark]: Toolchain (without parser) took 270.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:38,860 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:33:38,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:38,861 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 540]: 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 11:33:39,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:33:39,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:33:39,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:33:39,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:33:39,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:33:39,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:33:39,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:33:39,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:33:39,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:33:39,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:33:40,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:33:40,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:33:40,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:33:40,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:33:40,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:33:40,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:33:40,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:33:40,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:33:40,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:33:40,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:33:40,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:33:40,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:33:40,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:33:40,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:33:40,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:33:40,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:33:40,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:33:40,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:33:40,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:33:40,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:33:40,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:33:40,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:33:40,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:33:40,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:33:40,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:33:40,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:33:40,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:33:40,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:33:40,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:33:40,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:33:40,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 11:33:40,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:33:40,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:33:40,029 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:33:40,029 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:33:40,029 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:33:40,029 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:33:40,029 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:33:40,029 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:33:40,029 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:33:40,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:33:40,030 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:33:40,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:33:40,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:33:40,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:33:40,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:33:40,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:33:40,031 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:33:40,031 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:33:40,031 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:33:40,031 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:33:40,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:33:40,031 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:33:40,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:33:40,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:33:40,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:33:40,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:33:40,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:33:40,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:33:40,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:33:40,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:33:40,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:33:40,033 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 11:33:40,033 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:33:40,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:33:40,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:33:40,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:33:40,033 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_a34be695-f129-4531-9c43-a562cebc0105/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 -> aa894c4db149ffc20490feb4bd4b6a764b6f938d [2019-12-07 11:33:40,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:33:40,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:33:40,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:33:40,220 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:33:40,220 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:33:40,221 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2019-12-07 11:33:40,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/data/008fe5d97/c193802c0ede4f06ac6266f42770d90e/FLAGcb14229f3 [2019-12-07 11:33:40,627 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:33:40,627 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2019-12-07 11:33:40,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/data/008fe5d97/c193802c0ede4f06ac6266f42770d90e/FLAGcb14229f3 [2019-12-07 11:33:40,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/data/008fe5d97/c193802c0ede4f06ac6266f42770d90e [2019-12-07 11:33:40,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:33:40,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:33:40,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:33:40,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:33:40,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:33:40,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:33:40" (1/1) ... [2019-12-07 11:33:40,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:40, skipping insertion in model container [2019-12-07 11:33:40,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:33:40" (1/1) ... [2019-12-07 11:33:40,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:33:40,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:33:40,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:33:40,907 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 11:33:40,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:33:40,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:33:40,956 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:33:40,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:33:41,014 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:33:41,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:41 WrapperNode [2019-12-07 11:33:41,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:33:41,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:33:41,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:33:41,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:33:41,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:41" (1/1) ... [2019-12-07 11:33:41,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:41" (1/1) ... [2019-12-07 11:33:41,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:33:41,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:33:41,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:33:41,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:33:41,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:41" (1/1) ... [2019-12-07 11:33:41,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:41" (1/1) ... [2019-12-07 11:33:41,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:41" (1/1) ... [2019-12-07 11:33:41,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:41" (1/1) ... [2019-12-07 11:33:41,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:41" (1/1) ... [2019-12-07 11:33:41,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:41" (1/1) ... [2019-12-07 11:33:41,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:41" (1/1) ... [2019-12-07 11:33:41,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:33:41,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:33:41,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:33:41,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:33:41,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/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 11:33:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:33:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 11:33:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:33:41,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:33:41,541 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:33:41,542 INFO L287 CfgBuilder]: Removed 72 assume(true) statements. [2019-12-07 11:33:41,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:33:41 BoogieIcfgContainer [2019-12-07 11:33:41,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:33:41,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:33:41,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:33:41,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:33:41,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:33:40" (1/3) ... [2019-12-07 11:33:41,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9a777b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:33:41, skipping insertion in model container [2019-12-07 11:33:41,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:41" (2/3) ... [2019-12-07 11:33:41,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9a777b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:33:41, skipping insertion in model container [2019-12-07 11:33:41,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:33:41" (3/3) ... [2019-12-07 11:33:41,547 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2019-12-07 11:33:41,554 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:33:41,559 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 11:33:41,567 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 11:33:41,585 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:33:41,586 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:33:41,586 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:33:41,586 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:33:41,586 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:33:41,586 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:33:41,586 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:33:41,586 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:33:41,598 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-12-07 11:33:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 11:33:41,602 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:33:41,603 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:33:41,603 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:33:41,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:33:41,608 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2019-12-07 11:33:41,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:33:41,616 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946255791] [2019-12-07 11:33:41,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/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 11:33:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:33:41,760 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 11:33:41,764 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:33:41,774 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 11:33:41,774 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:33:41,778 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 11:33:41,779 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946255791] [2019-12-07 11:33:41,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:33:41,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:33:41,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362733200] [2019-12-07 11:33:41,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:33:41,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:33:41,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:33:41,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:33:41,794 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-12-07 11:33:41,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:33:41,810 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-12-07 11:33:41,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:33:41,811 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 11:33:41,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:33:41,818 INFO L225 Difference]: With dead ends: 112 [2019-12-07 11:33:41,818 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 11:33:41,821 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 11:33:41,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 11:33:41,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-12-07 11:33:41,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 11:33:41,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-12-07 11:33:41,847 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-12-07 11:33:41,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:33:41,847 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-12-07 11:33:41,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:33:41,847 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-12-07 11:33:41,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 11:33:41,848 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:33:41,848 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 11:33:42,049 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:33:42,049 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:33:42,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:33:42,050 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2019-12-07 11:33:42,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:33:42,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714400091] [2019-12-07 11:33:42,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/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 11:33:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:33:42,236 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:33:42,238 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:33:42,252 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 11:33:42,252 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:33:42,262 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 11:33:42,262 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714400091] [2019-12-07 11:33:42,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:33:42,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 11:33:42,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232641396] [2019-12-07 11:33:42,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:33:42,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:33:42,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:33:42,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:33:42,264 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 4 states. [2019-12-07 11:33:42,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:33:42,273 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-12-07 11:33:42,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:33:42,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 11:33:42,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:33:42,275 INFO L225 Difference]: With dead ends: 55 [2019-12-07 11:33:42,275 INFO L226 Difference]: Without dead ends: 29 [2019-12-07 11:33:42,275 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 11:33:42,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-07 11:33:42,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-12-07 11:33:42,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 11:33:42,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-12-07 11:33:42,279 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-12-07 11:33:42,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:33:42,279 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-12-07 11:33:42,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:33:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-12-07 11:33:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 11:33:42,280 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:33:42,280 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 11:33:42,481 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:33:42,482 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:33:42,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:33:42,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2019-12-07 11:33:42,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:33:42,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165224783] [2019-12-07 11:33:42,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/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 11:33:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:33:42,671 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:33:42,672 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:33:42,679 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 11:33:42,679 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:33:42,685 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 11:33:42,685 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165224783] [2019-12-07 11:33:42,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:33:42,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 11:33:42,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894862358] [2019-12-07 11:33:42,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:33:42,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:33:42,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:33:42,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:33:42,687 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 4 states. [2019-12-07 11:33:42,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:33:42,734 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2019-12-07 11:33:42,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:33:42,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 11:33:42,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:33:42,737 INFO L225 Difference]: With dead ends: 98 [2019-12-07 11:33:42,737 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 11:33:42,738 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 11:33:42,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 11:33:42,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2019-12-07 11:33:42,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-12-07 11:33:42,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-12-07 11:33:42,748 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-12-07 11:33:42,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:33:42,749 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-12-07 11:33:42,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:33:42,749 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-12-07 11:33:42,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 11:33:42,750 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:33:42,750 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 11:33:42,950 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 11:33:42,951 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:33:42,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:33:42,951 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2019-12-07 11:33:42,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:33:42,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748755174] [2019-12-07 11:33:42,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/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 11:33:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:33:43,118 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:33:43,120 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:33:43,136 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 11:33:43,136 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:33:43,160 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 11:33:43,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748755174] [2019-12-07 11:33:43,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:33:43,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 11:33:43,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810673443] [2019-12-07 11:33:43,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 11:33:43,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:33:43,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 11:33:43,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:33:43,162 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 8 states. [2019-12-07 11:33:43,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:33:43,336 INFO L93 Difference]: Finished difference Result 307 states and 476 transitions. [2019-12-07 11:33:43,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 11:33:43,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-12-07 11:33:43,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:33:43,339 INFO L225 Difference]: With dead ends: 307 [2019-12-07 11:33:43,339 INFO L226 Difference]: Without dead ends: 265 [2019-12-07 11:33:43,340 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 11:33:43,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2019-12-07 11:33:43,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 118. [2019-12-07 11:33:43,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-12-07 11:33:43,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2019-12-07 11:33:43,360 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2019-12-07 11:33:43,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:33:43,361 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2019-12-07 11:33:43,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 11:33:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2019-12-07 11:33:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 11:33:43,362 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:33:43,363 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:33:43,563 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 11:33:43,563 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:33:43,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:33:43,564 INFO L82 PathProgramCache]: Analyzing trace with hash 378913563, now seen corresponding path program 1 times [2019-12-07 11:33:43,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:33:43,566 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [570972494] [2019-12-07 11:33:43,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/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 11:33:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:33:43,739 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:33:43,741 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:33:43,745 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 11:33:43,745 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:33:43,747 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 11:33:43,747 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [570972494] [2019-12-07 11:33:43,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:33:43,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:33:43,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136842048] [2019-12-07 11:33:43,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:33:43,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:33:43,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:33:43,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:33:43,748 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand 3 states. [2019-12-07 11:33:43,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:33:43,759 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2019-12-07 11:33:43,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:33:43,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-07 11:33:43,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:33:43,760 INFO L225 Difference]: With dead ends: 224 [2019-12-07 11:33:43,760 INFO L226 Difference]: Without dead ends: 112 [2019-12-07 11:33:43,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:33:43,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-12-07 11:33:43,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-12-07 11:33:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-12-07 11:33:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2019-12-07 11:33:43,771 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2019-12-07 11:33:43,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:33:43,772 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2019-12-07 11:33:43,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:33:43,772 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2019-12-07 11:33:43,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 11:33:43,773 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:33:43,773 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:33:43,974 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 11:33:43,974 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:33:43,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:33:43,975 INFO L82 PathProgramCache]: Analyzing trace with hash -699051511, now seen corresponding path program 1 times [2019-12-07 11:33:43,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:33:43,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1044317840] [2019-12-07 11:33:43,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 11:33:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:33:44,136 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 11:33:44,138 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:33:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:33:44,149 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:33:44,170 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:33:44,171 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1044317840] [2019-12-07 11:33:44,171 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1324947978] [2019-12-07 11:33:44,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 11:33:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:33:44,264 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:33:44,266 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:33:44,299 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 11:33:44,300 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:33:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-07 11:33:44,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 11:33:44,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 11:33:44,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144881782] [2019-12-07 11:33:44,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:33:44,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:33:44,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:33:44,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:33:44,308 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand 5 states. [2019-12-07 11:33:44,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:33:44,387 INFO L93 Difference]: Finished difference Result 228 states and 314 transitions. [2019-12-07 11:33:44,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:33:44,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 11:33:44,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:33:44,387 INFO L225 Difference]: With dead ends: 228 [2019-12-07 11:33:44,388 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:33:44,389 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 11:33:44,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:33:44,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:33:44,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:33:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:33:44,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-12-07 11:33:44,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:33:44,389 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:33:44,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:33:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:33:44,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:33:44,790 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 11:33:44,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:33:45,025 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2019-12-07 11:33:45,025 INFO L246 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-12-07 11:33:45,025 INFO L246 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-12-07 11:33:45,025 INFO L246 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-12-07 11:33:45,026 INFO L249 CegarLoopResult]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2019-12-07 11:33:45,026 INFO L246 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-12-07 11:33:45,026 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:33:45,026 INFO L242 CegarLoopResult]: At program point L218(lines 167 219) the Hoare annotation is: false [2019-12-07 11:33:45,026 INFO L246 CegarLoopResult]: For program point L169(lines 168 217) no Hoare annotation was computed. [2019-12-07 11:33:45,026 INFO L246 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2019-12-07 11:33:45,026 INFO L242 CegarLoopResult]: At program point L136-1(lines 1 885) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:33:45,026 INFO L246 CegarLoopResult]: For program point L136-2(lines 136 149) no Hoare annotation was computed. [2019-12-07 11:33:45,026 INFO L242 CegarLoopResult]: At program point L136-3(lines 1 885) the Hoare annotation is: false [2019-12-07 11:33:45,026 INFO L246 CegarLoopResult]: For program point L136-4(lines 136 149) no Hoare annotation was computed. [2019-12-07 11:33:45,026 INFO L242 CegarLoopResult]: At program point L136-5(lines 1 885) the Hoare annotation is: false [2019-12-07 11:33:45,027 INFO L246 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2019-12-07 11:33:45,027 INFO L242 CegarLoopResult]: At program point L121(lines 116 124) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:33:45,027 INFO L242 CegarLoopResult]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2019-12-07 11:33:45,027 INFO L242 CegarLoopResult]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2019-12-07 11:33:45,027 INFO L242 CegarLoopResult]: At program point L237(lines 236 255) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:33:45,027 INFO L246 CegarLoopResult]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2019-12-07 11:33:45,027 INFO L242 CegarLoopResult]: At program point L237-2(lines 236 255) the Hoare annotation is: false [2019-12-07 11:33:45,027 INFO L242 CegarLoopResult]: At program point L237-3(lines 236 255) the Hoare annotation is: false [2019-12-07 11:33:45,027 INFO L246 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2019-12-07 11:33:45,027 INFO L242 CegarLoopResult]: At program point L188-1(lines 188 194) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:33:45,028 INFO L242 CegarLoopResult]: At program point L403(lines 1 885) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 11:33:45,028 INFO L246 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2019-12-07 11:33:45,028 INFO L246 CegarLoopResult]: For program point L882-1(line 882) no Hoare annotation was computed. [2019-12-07 11:33:45,028 INFO L246 CegarLoopResult]: For program point L882-2(line 882) no Hoare annotation was computed. [2019-12-07 11:33:45,028 INFO L246 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-12-07 11:33:45,028 INFO L242 CegarLoopResult]: At program point L206-1(lines 237 243) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:33:45,028 INFO L246 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-12-07 11:33:45,028 INFO L246 CegarLoopResult]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2019-12-07 11:33:45,028 INFO L246 CegarLoopResult]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2019-12-07 11:33:45,029 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:33:45,029 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2019-12-07 11:33:45,029 INFO L246 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-12-07 11:33:45,029 INFO L246 CegarLoopResult]: For program point L358(lines 358 364) no Hoare annotation was computed. [2019-12-07 11:33:45,029 INFO L242 CegarLoopResult]: At program point L358-1(lines 358 364) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:33:45,029 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:33:45,029 INFO L249 CegarLoopResult]: At program point L507(lines 488 510) the Hoare annotation is: true [2019-12-07 11:33:45,029 INFO L242 CegarLoopResult]: At program point L475(lines 471 477) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 11:33:45,029 INFO L242 CegarLoopResult]: At program point L244(lines 244 250) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:33:45,030 INFO L242 CegarLoopResult]: At program point L244-1(lines 244 250) the Hoare annotation is: false [2019-12-07 11:33:45,030 INFO L246 CegarLoopResult]: For program point L178(lines 178 184) no Hoare annotation was computed. [2019-12-07 11:33:45,030 INFO L242 CegarLoopResult]: At program point L244-2(lines 244 250) the Hoare annotation is: false [2019-12-07 11:33:45,030 INFO L242 CegarLoopResult]: At program point L178-1(lines 178 184) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:33:45,030 INFO L242 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: false [2019-12-07 11:33:45,030 INFO L246 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-12-07 11:33:45,030 INFO L242 CegarLoopResult]: At program point L411(lines 406 414) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 11:33:45,030 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-12-07 11:33:45,030 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:33:45,030 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2019-12-07 11:33:45,031 INFO L246 CegarLoopResult]: For program point L198(lines 198 213) no Hoare annotation was computed. [2019-12-07 11:33:45,031 INFO L242 CegarLoopResult]: At program point L314(lines 309 317) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 11:33:45,031 INFO L242 CegarLoopResult]: At program point L314-1(lines 309 317) the Hoare annotation is: false [2019-12-07 11:33:45,031 INFO L242 CegarLoopResult]: At program point L314-2(lines 309 317) the Hoare annotation is: false [2019-12-07 11:33:45,031 INFO L246 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-12-07 11:33:45,031 INFO L246 CegarLoopResult]: For program point L431-1(lines 237 243) no Hoare annotation was computed. [2019-12-07 11:33:45,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:33:45 BoogieIcfgContainer [2019-12-07 11:33:45,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:33:45,046 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:33:45,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:33:45,046 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:33:45,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:33:41" (3/4) ... [2019-12-07 11:33:45,049 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:33:45,059 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 11:33:45,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 11:33:45,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 11:33:45,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 11:33:45,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 11:33:45,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:33:45,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:33:45,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 11:33:45,111 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a34be695-f129-4531-9c43-a562cebc0105/bin/utaipan/witness.graphml [2019-12-07 11:33:45,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:33:45,112 INFO L168 Benchmark]: Toolchain (without parser) took 4464.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:45,113 INFO L168 Benchmark]: CDTParser took 0.14 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 11:33:45,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:45,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.86 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 11:33:45,113 INFO L168 Benchmark]: Boogie Preprocessor took 26.00 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:45,114 INFO L168 Benchmark]: RCFGBuilder took 462.41 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: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:45,114 INFO L168 Benchmark]: TraceAbstraction took 3502.19 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -96.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:33:45,114 INFO L168 Benchmark]: Witness Printer took 65.32 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:45,116 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 366.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.00 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 462.41 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: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3502.19 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -96.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 65.32 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 882]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 882]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 882]: 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: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 3.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 298 SDtfs, 518 SDslu, 437 SDs, 0 SdLazy, 93 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=4, 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, 6 MinimizatonAttempts, 174 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 129 NumberOfFragments, 122 HoareAnnotationTreeSize, 26 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 20768 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1308 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 46/56 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...