./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.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_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/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 216d00aaae39a5385dce6e868b43ee8cd776a043 ....................................................................................................................................... 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_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/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 216d00aaae39a5385dce6e868b43ee8cd776a043 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:17:35,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:17:35,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:17:35,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:17:35,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:17:35,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:17:35,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:17:35,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:17:35,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:17:35,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:17:35,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:17:35,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:17:35,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:17:35,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:17:35,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:17:35,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:17:35,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:17:35,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:17:35,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:17:35,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:17:35,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:17:35,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:17:35,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:17:35,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:17:35,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:17:35,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:17:35,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:17:35,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:17:35,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:17:35,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:17:35,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:17:35,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:17:35,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:17:35,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:17:35,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:17:35,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:17:35,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:17:35,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:17:35,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:17:35,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:17:35,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:17:35,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:17:35,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:17:35,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:17:35,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:17:35,784 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:17:35,784 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:17:35,784 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:17:35,784 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:17:35,784 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:17:35,785 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:17:35,785 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:17:35,785 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:17:35,785 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:17:35,785 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:17:35,785 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:17:35,785 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:17:35,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:17:35,786 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:17:35,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:17:35,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:17:35,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:17:35,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:17:35,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:17:35,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:17:35,787 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:17:35,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:17:35,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:17:35,787 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:17:35,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:17:35,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:17:35,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:17:35,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:17:35,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:17:35,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:17:35,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:17:35,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:17:35,788 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:17:35,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:17:35,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:17:35,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:17:35,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:17:35,788 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_b23143e6-e20f-4ca1-b683-61274b23f3a5/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 -> 216d00aaae39a5385dce6e868b43ee8cd776a043 [2019-12-07 20:17:35,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:17:35,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:17:35,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:17:35,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:17:35,901 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:17:35,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2019-12-07 20:17:35,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/data/c5150a73a/c20d73652a7a4736a17d514f5003c8c9/FLAGca21b499c [2019-12-07 20:17:36,418 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:17:36,419 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2019-12-07 20:17:36,427 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/data/c5150a73a/c20d73652a7a4736a17d514f5003c8c9/FLAGca21b499c [2019-12-07 20:17:36,436 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/data/c5150a73a/c20d73652a7a4736a17d514f5003c8c9 [2019-12-07 20:17:36,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:17:36,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:17:36,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:17:36,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:17:36,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:17:36,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:17:36" (1/1) ... [2019-12-07 20:17:36,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:36, skipping insertion in model container [2019-12-07 20:17:36,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:17:36" (1/1) ... [2019-12-07 20:17:36,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:17:36,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:17:36,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:17:36,706 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 20:17:36,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6fac6f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:36, skipping insertion in model container [2019-12-07 20:17:36,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:17:36,707 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:17:36,709 INFO L168 Benchmark]: Toolchain (without parser) took 269.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:17:36,710 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:17:36,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:17:36,711 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 519]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 20:17:37,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:17:37,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:17:37,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:17:37,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:17:37,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:17:37,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:17:37,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:17:37,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:17:37,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:17:37,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:17:37,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:17:37,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:17:37,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:17:37,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:17:37,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:17:37,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:17:37,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:17:37,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:17:37,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:17:37,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:17:37,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:17:37,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:17:37,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:17:37,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:17:37,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:17:37,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:17:37,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:17:37,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:17:37,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:17:37,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:17:37,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:17:37,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:17:37,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:17:37,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:17:37,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:17:37,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:17:37,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:17:37,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:17:37,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:17:37,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:17:37,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:17:37,878 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:17:37,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:17:37,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:17:37,879 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:17:37,879 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:17:37,879 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:17:37,880 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:17:37,880 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:17:37,880 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:17:37,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:17:37,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:17:37,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:17:37,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:17:37,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:17:37,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:17:37,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:17:37,881 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:17:37,881 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:17:37,881 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:17:37,882 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:17:37,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:17:37,882 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:17:37,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:17:37,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:17:37,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:17:37,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:17:37,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:17:37,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:17:37,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:17:37,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:17:37,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:17:37,883 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:17:37,883 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:17:37,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:17:37,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:17:37,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:17:37,884 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_b23143e6-e20f-4ca1-b683-61274b23f3a5/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 -> 216d00aaae39a5385dce6e868b43ee8cd776a043 [2019-12-07 20:17:38,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:17:38,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:17:38,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:17:38,060 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:17:38,060 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:17:38,061 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2019-12-07 20:17:38,107 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/data/4c90bb00f/f081a610001a449ab1e8c039c61871cb/FLAG3f9f942ef [2019-12-07 20:17:38,512 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:17:38,513 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2019-12-07 20:17:38,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/data/4c90bb00f/f081a610001a449ab1e8c039c61871cb/FLAG3f9f942ef [2019-12-07 20:17:38,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/data/4c90bb00f/f081a610001a449ab1e8c039c61871cb [2019-12-07 20:17:38,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:17:38,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:17:38,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:17:38,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:17:38,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:17:38,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:17:38" (1/1) ... [2019-12-07 20:17:38,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e232920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:38, skipping insertion in model container [2019-12-07 20:17:38,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:17:38" (1/1) ... [2019-12-07 20:17:38,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:17:38,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:17:39,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:17:39,161 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:17:39,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:17:39,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:17:39,216 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:17:39,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:17:39,284 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:17:39,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:39 WrapperNode [2019-12-07 20:17:39,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:17:39,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:17:39,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:17:39,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:17:39,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:39" (1/1) ... [2019-12-07 20:17:39,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:39" (1/1) ... [2019-12-07 20:17:39,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:17:39,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:17:39,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:17:39,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:17:39,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:39" (1/1) ... [2019-12-07 20:17:39,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:39" (1/1) ... [2019-12-07 20:17:39,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:39" (1/1) ... [2019-12-07 20:17:39,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:39" (1/1) ... [2019-12-07 20:17:39,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:39" (1/1) ... [2019-12-07 20:17:39,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:39" (1/1) ... [2019-12-07 20:17:39,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:39" (1/1) ... [2019-12-07 20:17:39,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:17:39,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:17:39,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:17:39,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:17:39,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:17:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:17:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:17:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:17:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:17:39,995 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:17:39,996 INFO L287 CfgBuilder]: Removed 196 assume(true) statements. [2019-12-07 20:17:39,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:17:39 BoogieIcfgContainer [2019-12-07 20:17:39,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:17:39,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:17:39,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:17:39,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:17:40,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:17:38" (1/3) ... [2019-12-07 20:17:40,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e272cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:17:40, skipping insertion in model container [2019-12-07 20:17:40,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:17:39" (2/3) ... [2019-12-07 20:17:40,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e272cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:17:40, skipping insertion in model container [2019-12-07 20:17:40,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:17:39" (3/3) ... [2019-12-07 20:17:40,002 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2019-12-07 20:17:40,009 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:17:40,014 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:17:40,022 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:17:40,039 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:17:40,039 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:17:40,039 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:17:40,039 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:17:40,039 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:17:40,039 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:17:40,040 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:17:40,040 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:17:40,053 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-12-07 20:17:40,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:17:40,057 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:40,058 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:40,058 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:40,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:40,062 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2019-12-07 20:17:40,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:40,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563836164] [2019-12-07 20:17:40,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 20:17:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:40,202 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:17:40,206 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:40,216 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:40,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563836164] [2019-12-07 20:17:40,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:40,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:17:40,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437975442] [2019-12-07 20:17:40,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:17:40,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:40,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:17:40,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:17:40,234 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-12-07 20:17:40,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:40,258 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2019-12-07 20:17:40,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:17:40,259 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 20:17:40,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:40,268 INFO L225 Difference]: With dead ends: 268 [2019-12-07 20:17:40,268 INFO L226 Difference]: Without dead ends: 133 [2019-12-07 20:17:40,271 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:17:40,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-12-07 20:17:40,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-12-07 20:17:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-12-07 20:17:40,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2019-12-07 20:17:40,304 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2019-12-07 20:17:40,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:40,304 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2019-12-07 20:17:40,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:17:40,305 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2019-12-07 20:17:40,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:17:40,305 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:40,306 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:40,506 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:17:40,506 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:40,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:40,507 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2019-12-07 20:17:40,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:40,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442843396] [2019-12-07 20:17:40,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 20:17:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:40,634 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:17:40,636 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:40,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:40,651 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:40,661 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442843396] [2019-12-07 20:17:40,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:40,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:17:40,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617069248] [2019-12-07 20:17:40,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:17:40,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:40,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:17:40,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:17:40,663 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 4 states. [2019-12-07 20:17:40,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:40,679 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2019-12-07 20:17:40,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:17:40,680 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 20:17:40,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:40,680 INFO L225 Difference]: With dead ends: 133 [2019-12-07 20:17:40,680 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 20:17:40,682 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:17:40,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 20:17:40,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-12-07 20:17:40,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 20:17:40,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-12-07 20:17:40,688 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2019-12-07 20:17:40,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:40,689 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-12-07 20:17:40,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:17:40,689 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-12-07 20:17:40,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:17:40,690 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:40,690 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:40,891 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:17:40,892 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:40,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:40,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2019-12-07 20:17:40,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:40,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [800627609] [2019-12-07 20:17:40,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 20:17:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:41,049 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:17:41,051 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:41,061 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:41,069 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [800627609] [2019-12-07 20:17:41,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:41,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:17:41,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877013923] [2019-12-07 20:17:41,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:17:41,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:41,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:17:41,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:17:41,071 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 4 states. [2019-12-07 20:17:41,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:41,095 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2019-12-07 20:17:41,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:17:41,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 20:17:41,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:41,097 INFO L225 Difference]: With dead ends: 176 [2019-12-07 20:17:41,097 INFO L226 Difference]: Without dead ends: 127 [2019-12-07 20:17:41,098 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:17:41,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-12-07 20:17:41,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2019-12-07 20:17:41,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-12-07 20:17:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2019-12-07 20:17:41,109 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2019-12-07 20:17:41,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:41,109 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2019-12-07 20:17:41,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:17:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2019-12-07 20:17:41,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:17:41,110 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:41,110 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:41,311 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:17:41,312 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:41,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:41,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2019-12-07 20:17:41,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:41,315 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781844234] [2019-12-07 20:17:41,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 20:17:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:41,570 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:17:41,572 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:41,578 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:41,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:41,581 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781844234] [2019-12-07 20:17:41,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:41,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:17:41,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010902998] [2019-12-07 20:17:41,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:17:41,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:41,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:17:41,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:17:41,582 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2019-12-07 20:17:41,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:41,661 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2019-12-07 20:17:41,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:17:41,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 20:17:41,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:41,662 INFO L225 Difference]: With dead ends: 163 [2019-12-07 20:17:41,662 INFO L226 Difference]: Without dead ends: 95 [2019-12-07 20:17:41,663 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:17:41,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-12-07 20:17:41,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2019-12-07 20:17:41,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-12-07 20:17:41,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2019-12-07 20:17:41,673 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2019-12-07 20:17:41,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:41,673 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2019-12-07 20:17:41,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:17:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2019-12-07 20:17:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 20:17:41,674 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:41,675 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:41,875 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:17:41,877 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:41,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:41,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2019-12-07 20:17:41,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:41,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448654555] [2019-12-07 20:17:41,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:17:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:42,130 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:17:42,131 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:42,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:42,143 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:42,149 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448654555] [2019-12-07 20:17:42,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:42,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 20:17:42,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971881429] [2019-12-07 20:17:42,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:17:42,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:42,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:17:42,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:17:42,150 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 5 states. [2019-12-07 20:17:42,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:42,255 INFO L93 Difference]: Finished difference Result 477 states and 692 transitions. [2019-12-07 20:17:42,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:17:42,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 20:17:42,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:42,258 INFO L225 Difference]: With dead ends: 477 [2019-12-07 20:17:42,259 INFO L226 Difference]: Without dead ends: 390 [2019-12-07 20:17:42,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:17:42,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-12-07 20:17:42,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 172. [2019-12-07 20:17:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-12-07 20:17:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 242 transitions. [2019-12-07 20:17:42,283 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 242 transitions. Word has length 25 [2019-12-07 20:17:42,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:42,284 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 242 transitions. [2019-12-07 20:17:42,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:17:42,284 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2019-12-07 20:17:42,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 20:17:42,285 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:42,285 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:42,485 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:17:42,487 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:42,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:42,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1188091424, now seen corresponding path program 1 times [2019-12-07 20:17:42,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:42,490 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954373790] [2019-12-07 20:17:42,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 20:17:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:42,727 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:17:42,729 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:42,742 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:42,756 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954373790] [2019-12-07 20:17:42,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:42,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:17:42,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496957732] [2019-12-07 20:17:42,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:17:42,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:42,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:17:42,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:17:42,758 INFO L87 Difference]: Start difference. First operand 172 states and 242 transitions. Second operand 5 states. [2019-12-07 20:17:42,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:42,894 INFO L93 Difference]: Finished difference Result 490 states and 693 transitions. [2019-12-07 20:17:42,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 20:17:42,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 20:17:42,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:42,896 INFO L225 Difference]: With dead ends: 490 [2019-12-07 20:17:42,897 INFO L226 Difference]: Without dead ends: 488 [2019-12-07 20:17:42,897 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:17:42,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-12-07 20:17:42,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 172. [2019-12-07 20:17:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-12-07 20:17:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 240 transitions. [2019-12-07 20:17:42,910 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 240 transitions. Word has length 26 [2019-12-07 20:17:42,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:42,910 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 240 transitions. [2019-12-07 20:17:42,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:17:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 240 transitions. [2019-12-07 20:17:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 20:17:42,911 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:42,912 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:43,112 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 20:17:43,114 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:43,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:43,115 INFO L82 PathProgramCache]: Analyzing trace with hash 770731220, now seen corresponding path program 1 times [2019-12-07 20:17:43,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:43,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471981050] [2019-12-07 20:17:43,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 20:17:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:43,262 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:17:43,264 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:43,275 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:43,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:43,278 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471981050] [2019-12-07 20:17:43,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:43,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:17:43,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458808484] [2019-12-07 20:17:43,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:17:43,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:43,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:17:43,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:17:43,280 INFO L87 Difference]: Start difference. First operand 172 states and 240 transitions. Second operand 5 states. [2019-12-07 20:17:43,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:43,338 INFO L93 Difference]: Finished difference Result 500 states and 692 transitions. [2019-12-07 20:17:43,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:17:43,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 20:17:43,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:43,340 INFO L225 Difference]: With dead ends: 500 [2019-12-07 20:17:43,340 INFO L226 Difference]: Without dead ends: 334 [2019-12-07 20:17:43,341 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:17:43,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-12-07 20:17:43,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 184. [2019-12-07 20:17:43,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-12-07 20:17:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 252 transitions. [2019-12-07 20:17:43,352 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 252 transitions. Word has length 34 [2019-12-07 20:17:43,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:43,353 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 252 transitions. [2019-12-07 20:17:43,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:17:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 252 transitions. [2019-12-07 20:17:43,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 20:17:43,354 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:43,354 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:43,554 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 20:17:43,555 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:43,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:43,556 INFO L82 PathProgramCache]: Analyzing trace with hash 183925206, now seen corresponding path program 1 times [2019-12-07 20:17:43,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:43,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825005622] [2019-12-07 20:17:43,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 20:17:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:43,694 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:17:43,695 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:43,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:43,703 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:43,714 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825005622] [2019-12-07 20:17:43,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:43,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 20:17:43,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065326273] [2019-12-07 20:17:43,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:17:43,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:43,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:17:43,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:17:43,715 INFO L87 Difference]: Start difference. First operand 184 states and 252 transitions. Second operand 6 states. [2019-12-07 20:17:43,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:43,763 INFO L93 Difference]: Finished difference Result 534 states and 726 transitions. [2019-12-07 20:17:43,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:17:43,763 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 20:17:43,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:43,765 INFO L225 Difference]: With dead ends: 534 [2019-12-07 20:17:43,765 INFO L226 Difference]: Without dead ends: 356 [2019-12-07 20:17:43,765 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:17:43,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-12-07 20:17:43,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 192. [2019-12-07 20:17:43,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-12-07 20:17:43,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 260 transitions. [2019-12-07 20:17:43,777 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 260 transitions. Word has length 34 [2019-12-07 20:17:43,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:43,777 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 260 transitions. [2019-12-07 20:17:43,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:17:43,778 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 260 transitions. [2019-12-07 20:17:43,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 20:17:43,778 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:43,778 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:43,979 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 20:17:43,979 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:43,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:43,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1095938472, now seen corresponding path program 1 times [2019-12-07 20:17:43,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:43,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126247426] [2019-12-07 20:17:43,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 20:17:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:44,067 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:17:44,069 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:44,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:44,074 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:44,081 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126247426] [2019-12-07 20:17:44,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:44,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:17:44,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121011436] [2019-12-07 20:17:44,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:17:44,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:44,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:17:44,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:17:44,082 INFO L87 Difference]: Start difference. First operand 192 states and 260 transitions. Second operand 4 states. [2019-12-07 20:17:44,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:44,134 INFO L93 Difference]: Finished difference Result 612 states and 832 transitions. [2019-12-07 20:17:44,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:17:44,134 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 20:17:44,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:44,136 INFO L225 Difference]: With dead ends: 612 [2019-12-07 20:17:44,136 INFO L226 Difference]: Without dead ends: 426 [2019-12-07 20:17:44,137 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:17:44,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2019-12-07 20:17:44,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 336. [2019-12-07 20:17:44,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-12-07 20:17:44,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 451 transitions. [2019-12-07 20:17:44,154 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 451 transitions. Word has length 34 [2019-12-07 20:17:44,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:44,154 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 451 transitions. [2019-12-07 20:17:44,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:17:44,155 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2019-12-07 20:17:44,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 20:17:44,155 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:44,155 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:44,356 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 20:17:44,357 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:44,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:44,358 INFO L82 PathProgramCache]: Analyzing trace with hash 420497238, now seen corresponding path program 1 times [2019-12-07 20:17:44,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:44,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1943611151] [2019-12-07 20:17:44,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 20:17:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:44,490 INFO L264 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:17:44,491 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:44,507 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:17:44,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1943611151] [2019-12-07 20:17:44,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:44,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 20:17:44,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329538968] [2019-12-07 20:17:44,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 20:17:44,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:44,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 20:17:44,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:17:44,536 INFO L87 Difference]: Start difference. First operand 336 states and 451 transitions. Second operand 10 states. [2019-12-07 20:17:44,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:44,941 INFO L93 Difference]: Finished difference Result 1402 states and 1860 transitions. [2019-12-07 20:17:44,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 20:17:44,941 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-12-07 20:17:44,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:44,946 INFO L225 Difference]: With dead ends: 1402 [2019-12-07 20:17:44,946 INFO L226 Difference]: Without dead ends: 1072 [2019-12-07 20:17:44,947 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2019-12-07 20:17:44,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2019-12-07 20:17:44,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 336. [2019-12-07 20:17:44,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-12-07 20:17:44,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 443 transitions. [2019-12-07 20:17:44,981 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 443 transitions. Word has length 35 [2019-12-07 20:17:44,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:44,982 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 443 transitions. [2019-12-07 20:17:44,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 20:17:44,982 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 443 transitions. [2019-12-07 20:17:44,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 20:17:44,983 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:44,983 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:45,183 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 20:17:45,184 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:45,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:45,184 INFO L82 PathProgramCache]: Analyzing trace with hash 507471461, now seen corresponding path program 1 times [2019-12-07 20:17:45,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:45,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393842624] [2019-12-07 20:17:45,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 20:17:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:45,300 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:17:45,301 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:17:45,335 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:45,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:17:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:17:45,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393842624] [2019-12-07 20:17:45,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [47558929] [2019-12-07 20:17:45,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:17:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:45,534 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 20:17:45,535 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:45,541 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:17:45,541 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:45,542 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:17:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:17:45,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265034646] [2019-12-07 20:17:45,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:17:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:45,657 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:17:45,658 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:45,667 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:17:45,667 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:45,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:17:45,674 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:17:45,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 20:17:45,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2019-12-07 20:17:45,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616379886] [2019-12-07 20:17:45,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:17:45,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:45,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:17:45,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:17:45,675 INFO L87 Difference]: Start difference. First operand 336 states and 443 transitions. Second operand 8 states. [2019-12-07 20:17:46,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:46,358 INFO L93 Difference]: Finished difference Result 3631 states and 4788 transitions. [2019-12-07 20:17:46,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-07 20:17:46,359 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-12-07 20:17:46,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:46,370 INFO L225 Difference]: With dead ends: 3631 [2019-12-07 20:17:46,371 INFO L226 Difference]: Without dead ends: 3301 [2019-12-07 20:17:46,372 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2019-12-07 20:17:46,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3301 states. [2019-12-07 20:17:46,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3301 to 881. [2019-12-07 20:17:46,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2019-12-07 20:17:46,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1181 transitions. [2019-12-07 20:17:46,449 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1181 transitions. Word has length 56 [2019-12-07 20:17:46,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:46,450 INFO L462 AbstractCegarLoop]: Abstraction has 881 states and 1181 transitions. [2019-12-07 20:17:46,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:17:46,450 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1181 transitions. [2019-12-07 20:17:46,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 20:17:46,451 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:17:46,451 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:17:47,052 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt --rewrite-divk,12 mathsat -unsat_core_generation=3 [2019-12-07 20:17:47,053 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:17:47,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:17:47,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1208536039, now seen corresponding path program 1 times [2019-12-07 20:17:47,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:17:47,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881799981] [2019-12-07 20:17:47,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-12-07 20:17:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:17:47,208 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:17:47,209 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:17:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 20:17:47,223 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:17:47,247 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 20:17:47,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881799981] [2019-12-07 20:17:47,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:17:47,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:17:47,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29397779] [2019-12-07 20:17:47,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:17:47,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:17:47,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:17:47,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:17:47,248 INFO L87 Difference]: Start difference. First operand 881 states and 1181 transitions. Second operand 8 states. [2019-12-07 20:17:47,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:17:47,332 INFO L93 Difference]: Finished difference Result 1447 states and 1900 transitions. [2019-12-07 20:17:47,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:17:47,332 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-12-07 20:17:47,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:17:47,332 INFO L225 Difference]: With dead ends: 1447 [2019-12-07 20:17:47,332 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:17:47,334 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:17:47,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:17:47,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:17:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:17:47,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:17:47,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-12-07 20:17:47,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:17:47,334 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:17:47,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:17:47,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:17:47,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:17:47,535 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-12-07 20:17:47,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:17:47,662 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-12-07 20:17:47,822 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 126 [2019-12-07 20:17:48,084 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 228 [2019-12-07 20:17:48,201 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 181 [2019-12-07 20:17:48,484 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2019-12-07 20:17:48,629 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 185 [2019-12-07 20:17:48,838 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 230 [2019-12-07 20:17:49,072 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 235 [2019-12-07 20:17:49,335 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 187 [2019-12-07 20:17:49,509 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2019-12-07 20:17:49,676 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 30 [2019-12-07 20:17:49,811 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 22 [2019-12-07 20:17:50,477 WARN L192 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2019-12-07 20:17:52,209 WARN L192 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 226 DAG size of output: 31 [2019-12-07 20:17:53,500 WARN L192 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 175 DAG size of output: 33 [2019-12-07 20:17:53,692 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 29 [2019-12-07 20:17:54,183 WARN L192 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2019-12-07 20:17:56,002 WARN L192 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 222 DAG size of output: 29 [2019-12-07 20:17:57,670 WARN L192 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 180 DAG size of output: 38 [2019-12-07 20:17:59,718 WARN L192 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 228 DAG size of output: 32 [2019-12-07 20:18:01,690 WARN L192 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 235 DAG size of output: 31 [2019-12-07 20:18:02,414 WARN L192 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 38 [2019-12-07 20:18:02,806 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 24 [2019-12-07 20:18:04,460 WARN L192 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 182 DAG size of output: 38 [2019-12-07 20:18:04,469 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-12-07 20:18:04,469 INFO L246 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2019-12-07 20:18:04,469 INFO L246 CegarLoopResult]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2019-12-07 20:18:04,469 INFO L246 CegarLoopResult]: For program point L465-3(lines 465 469) no Hoare annotation was computed. [2019-12-07 20:18:04,470 INFO L246 CegarLoopResult]: For program point L300(lines 300 317) no Hoare annotation was computed. [2019-12-07 20:18:04,470 INFO L246 CegarLoopResult]: For program point L465-5(lines 465 469) no Hoare annotation was computed. [2019-12-07 20:18:04,470 INFO L246 CegarLoopResult]: For program point L300-1(lines 300 317) no Hoare annotation was computed. [2019-12-07 20:18:04,470 INFO L246 CegarLoopResult]: For program point L465-6(lines 465 469) no Hoare annotation was computed. [2019-12-07 20:18:04,470 INFO L246 CegarLoopResult]: For program point L300-2(lines 300 317) no Hoare annotation was computed. [2019-12-07 20:18:04,470 INFO L246 CegarLoopResult]: For program point L300-3(lines 300 317) no Hoare annotation was computed. [2019-12-07 20:18:04,470 INFO L246 CegarLoopResult]: For program point L465-8(lines 465 469) no Hoare annotation was computed. [2019-12-07 20:18:04,470 INFO L246 CegarLoopResult]: For program point L300-4(lines 300 317) no Hoare annotation was computed. [2019-12-07 20:18:04,470 INFO L246 CegarLoopResult]: For program point L300-5(lines 300 317) no Hoare annotation was computed. [2019-12-07 20:18:04,470 INFO L242 CegarLoopResult]: At program point L268(lines 267 286) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse3) (and .cse4 .cse1 .cse5 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse6 .cse2 .cse3) (and .cse0 .cse1 .cse5 .cse3))) [2019-12-07 20:18:04,470 INFO L246 CegarLoopResult]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2019-12-07 20:18:04,470 INFO L246 CegarLoopResult]: For program point L202(lines 201 248) no Hoare annotation was computed. [2019-12-07 20:18:04,470 INFO L242 CegarLoopResult]: At program point L268-2(lines 267 286) the Hoare annotation is: false [2019-12-07 20:18:04,471 INFO L242 CegarLoopResult]: At program point L268-3(lines 267 286) the Hoare annotation is: false [2019-12-07 20:18:04,471 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-12-07 20:18:04,471 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse7 .cse5) (and .cse1 .cse2 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse5))) [2019-12-07 20:18:04,471 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-12-07 20:18:04,471 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-12-07 20:18:04,471 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-12-07 20:18:04,471 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-12-07 20:18:04,471 INFO L246 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2019-12-07 20:18:04,471 INFO L246 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-12-07 20:18:04,471 INFO L242 CegarLoopResult]: At program point L237-1(lines 268 274) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse5 .cse2 .cse6 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse6 .cse3) (and .cse0 .cse2 .cse6 .cse3))) [2019-12-07 20:18:04,471 INFO L246 CegarLoopResult]: For program point L304(lines 304 312) no Hoare annotation was computed. [2019-12-07 20:18:04,471 INFO L246 CegarLoopResult]: For program point L304-1(lines 304 312) no Hoare annotation was computed. [2019-12-07 20:18:04,471 INFO L246 CegarLoopResult]: For program point L304-2(lines 304 312) no Hoare annotation was computed. [2019-12-07 20:18:04,472 INFO L246 CegarLoopResult]: For program point L304-3(lines 304 312) no Hoare annotation was computed. [2019-12-07 20:18:04,472 INFO L246 CegarLoopResult]: For program point L304-4(lines 304 312) no Hoare annotation was computed. [2019-12-07 20:18:04,472 INFO L246 CegarLoopResult]: For program point L304-5(lines 304 312) no Hoare annotation was computed. [2019-12-07 20:18:04,472 INFO L242 CegarLoopResult]: At program point L471(lines 456 474) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32)))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse4 .cse5 .cse6))) [2019-12-07 20:18:04,472 INFO L242 CegarLoopResult]: At program point L471-1(lines 456 474) the Hoare annotation is: false [2019-12-07 20:18:04,472 INFO L242 CegarLoopResult]: At program point L471-2(lines 456 474) the Hoare annotation is: false [2019-12-07 20:18:04,472 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-12-07 20:18:04,472 INFO L242 CegarLoopResult]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and (not (= ~systemActive~0 (_ bv0 32))) .cse2 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse2 .cse5 .cse3))) [2019-12-07 20:18:04,472 INFO L242 CegarLoopResult]: At program point L275-1(lines 275 281) the Hoare annotation is: false [2019-12-07 20:18:04,472 INFO L242 CegarLoopResult]: At program point L275-2(lines 275 281) the Hoare annotation is: false [2019-12-07 20:18:04,472 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-12-07 20:18:04,472 INFO L246 CegarLoopResult]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-12-07 20:18:04,472 INFO L242 CegarLoopResult]: At program point L211-1(lines 211 217) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse8 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse9 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8 .cse4) (and .cse9 .cse1 .cse2 .cse3 .cse4) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse8 .cse4) (and .cse9 .cse1 .cse7 .cse3 .cse4))) [2019-12-07 20:18:04,473 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 20:18:04,473 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-12-07 20:18:04,473 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-12-07 20:18:04,473 INFO L242 CegarLoopResult]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2019-12-07 20:18:04,473 INFO L246 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2019-12-07 20:18:04,473 INFO L246 CegarLoopResult]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-12-07 20:18:04,473 INFO L242 CegarLoopResult]: At program point L479-1(lines 479 485) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse2 .cse5 .cse3))) [2019-12-07 20:18:04,473 INFO L246 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2019-12-07 20:18:04,473 INFO L246 CegarLoopResult]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2019-12-07 20:18:04,473 INFO L246 CegarLoopResult]: For program point L446-3(lines 446 450) no Hoare annotation was computed. [2019-12-07 20:18:04,473 INFO L246 CegarLoopResult]: For program point L446-5(lines 446 450) no Hoare annotation was computed. [2019-12-07 20:18:04,473 INFO L246 CegarLoopResult]: For program point L446-6(lines 446 450) no Hoare annotation was computed. [2019-12-07 20:18:04,473 INFO L246 CegarLoopResult]: For program point L446-8(lines 446 450) no Hoare annotation was computed. [2019-12-07 20:18:04,473 INFO L246 CegarLoopResult]: For program point L446-9(lines 446 450) no Hoare annotation was computed. [2019-12-07 20:18:04,473 INFO L246 CegarLoopResult]: For program point L446-11(lines 446 450) no Hoare annotation was computed. [2019-12-07 20:18:04,473 INFO L246 CegarLoopResult]: For program point L446-12(lines 446 450) no Hoare annotation was computed. [2019-12-07 20:18:04,473 INFO L246 CegarLoopResult]: For program point L446-14(lines 446 450) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L246 CegarLoopResult]: For program point L446-15(lines 446 450) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L246 CegarLoopResult]: For program point L446-17(lines 446 450) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L242 CegarLoopResult]: At program point L249(lines 200 250) the Hoare annotation is: false [2019-12-07 20:18:04,474 INFO L246 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L246 CegarLoopResult]: For program point L183-1(line 183) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L246 CegarLoopResult]: For program point L183-2(line 183) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L246 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L246 CegarLoopResult]: For program point L910-1(lines 268 274) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L246 CegarLoopResult]: For program point L977(lines 977 984) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L249 CegarLoopResult]: At program point L977-1(lines 977 984) the Hoare annotation is: true [2019-12-07 20:18:04,474 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-12-07 20:18:04,474 INFO L242 CegarLoopResult]: At program point L452(lines 437 455) the Hoare annotation is: false [2019-12-07 20:18:04,474 INFO L242 CegarLoopResult]: At program point L452-1(lines 437 455) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse6 .cse7 .cse8 .cse4 .cse9) (and .cse0 .cse1 .cse3 .cse8 .cse4) (and .cse0 .cse5 .cse1 .cse6 .cse2 .cse7 .cse4 .cse9))) [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L452-2(lines 437 455) the Hoare annotation is: false [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L452-3(lines 437 455) the Hoare annotation is: false [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L452-4(lines 437 455) the Hoare annotation is: false [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L452-5(lines 437 455) the Hoare annotation is: false [2019-12-07 20:18:04,475 INFO L246 CegarLoopResult]: For program point L221(lines 221 227) no Hoare annotation was computed. [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L221-1(lines 221 227) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse6 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse6 .cse3))) [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L882(lines 1 989) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L388(lines 381 391) the Hoare annotation is: false [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L388-1(lines 381 391) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32))))) [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L388-2(lines 381 391) the Hoare annotation is: false [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L388-3(lines 381 391) the Hoare annotation is: false [2019-12-07 20:18:04,475 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L388-4(lines 381 391) the Hoare annotation is: false [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L388-5(lines 381 391) the Hoare annotation is: false [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-12-07 20:18:04,475 INFO L242 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 20:18:04,476 INFO L242 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= ~systemActive~0 (_ bv0 32))) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse3) (and .cse0 .cse4 .cse6 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse7 .cse3))) [2019-12-07 20:18:04,476 INFO L242 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-12-07 20:18:04,476 INFO L242 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-12-07 20:18:04,476 INFO L242 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-12-07 20:18:04,476 INFO L242 CegarLoopResult]: At program point L91-6(lines 86 94) the Hoare annotation is: false [2019-12-07 20:18:04,476 INFO L242 CegarLoopResult]: At program point L91-7(lines 86 94) the Hoare annotation is: false [2019-12-07 20:18:04,476 INFO L242 CegarLoopResult]: At program point L91-8(lines 86 94) the Hoare annotation is: false [2019-12-07 20:18:04,476 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:18:04,476 INFO L249 CegarLoopResult]: At program point L986(lines 967 989) the Hoare annotation is: true [2019-12-07 20:18:04,476 INFO L246 CegarLoopResult]: For program point L326(lines 326 343) no Hoare annotation was computed. [2019-12-07 20:18:04,476 INFO L246 CegarLoopResult]: For program point L326-1(lines 326 343) no Hoare annotation was computed. [2019-12-07 20:18:04,476 INFO L246 CegarLoopResult]: For program point L326-2(lines 326 343) no Hoare annotation was computed. [2019-12-07 20:18:04,476 INFO L246 CegarLoopResult]: For program point L161(lines 161 174) no Hoare annotation was computed. [2019-12-07 20:18:04,476 INFO L242 CegarLoopResult]: At program point L161-1(lines 1 989) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse8 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse9 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8 .cse4) (and .cse9 .cse1 .cse2 .cse3 .cse4) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse8 .cse4) (and .cse9 .cse1 .cse7 .cse3 .cse4))) [2019-12-07 20:18:04,476 INFO L246 CegarLoopResult]: For program point L161-2(lines 161 174) no Hoare annotation was computed. [2019-12-07 20:18:04,476 INFO L242 CegarLoopResult]: At program point L161-3(lines 1 989) the Hoare annotation is: false [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L161-4(lines 161 174) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L242 CegarLoopResult]: At program point L161-5(lines 1 989) the Hoare annotation is: false [2019-12-07 20:18:04,477 INFO L242 CegarLoopResult]: At program point L954(lines 950 956) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:18:04,477 INFO L242 CegarLoopResult]: At program point L890(lines 885 893) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L363(lines 363 369) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L330(lines 330 338) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L363-2(lines 363 369) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L330-1(lines 330 338) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L330-2(lines 330 338) no Hoare annotation was computed. [2019-12-07 20:18:04,477 INFO L246 CegarLoopResult]: For program point L231(lines 231 244) no Hoare annotation was computed. [2019-12-07 20:18:04,478 INFO L246 CegarLoopResult]: For program point L363-4(lines 363 369) no Hoare annotation was computed. [2019-12-07 20:18:04,478 INFO L246 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2019-12-07 20:18:04,478 INFO L246 CegarLoopResult]: For program point L363-6(lines 363 369) no Hoare annotation was computed. [2019-12-07 20:18:04,478 INFO L246 CegarLoopResult]: For program point L165-2(lines 165 171) no Hoare annotation was computed. [2019-12-07 20:18:04,478 INFO L246 CegarLoopResult]: For program point L363-8(lines 363 369) no Hoare annotation was computed. [2019-12-07 20:18:04,478 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-12-07 20:18:04,478 INFO L246 CegarLoopResult]: For program point L363-10(lines 363 369) no Hoare annotation was computed. [2019-12-07 20:18:04,478 INFO L246 CegarLoopResult]: For program point L165-4(lines 165 171) no Hoare annotation was computed. [2019-12-07 20:18:04,478 INFO L242 CegarLoopResult]: At program point L397(lines 392 400) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3 .cse4))) [2019-12-07 20:18:04,478 INFO L242 CegarLoopResult]: At program point L397-1(lines 392 400) the Hoare annotation is: false [2019-12-07 20:18:04,478 INFO L242 CegarLoopResult]: At program point L397-2(lines 392 400) the Hoare annotation is: false [2019-12-07 20:18:04,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:18:04 BoogieIcfgContainer [2019-12-07 20:18:04,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:18:04,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:18:04,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:18:04,505 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:18:04,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:17:39" (3/4) ... [2019-12-07 20:18:04,508 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:18:04,521 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:18:04,521 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:18:04,522 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:18:04,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:18:04,524 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:18:04,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:18:04,526 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:18:04,545 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && \result == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:18:04,545 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && \result == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:18:04,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && \result == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:18:04,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:18:04,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 20:18:04,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 20:18:04,548 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) || (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) [2019-12-07 20:18:04,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((((((!(systemActive == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((((!(systemActive == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 20:18:04,550 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 20:18:04,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && \result == 1bv32) [2019-12-07 20:18:04,602 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b23143e6-e20f-4ca1-b683-61274b23f3a5/bin/utaipan/witness.graphml [2019-12-07 20:18:04,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:18:04,603 INFO L168 Benchmark]: Toolchain (without parser) took 25701.81 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 491.3 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -246.2 MB). Peak memory consumption was 245.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:18:04,603 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:18:04,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:18:04,604 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:18:04,604 INFO L168 Benchmark]: Boogie Preprocessor took 38.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:18:04,604 INFO L168 Benchmark]: RCFGBuilder took 626.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 994.4 MB in the end (delta: 86.1 MB). Peak memory consumption was 86.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:18:04,604 INFO L168 Benchmark]: TraceAbstraction took 24507.24 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 379.1 MB). Free memory was 994.4 MB in the beginning and 1.2 GB in the end (delta: -212.9 MB). Peak memory consumption was 553.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:18:04,604 INFO L168 Benchmark]: Witness Printer took 96.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:18:04,606 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 626.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 994.4 MB in the end (delta: 86.1 MB). Peak memory consumption was 86.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24507.24 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 379.1 MB). Free memory was 994.4 MB in the beginning and 1.2 GB in the end (delta: -212.9 MB). Peak memory consumption was 553.4 MB. Max. memory is 11.5 GB. * Witness Printer took 96.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 183]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 183]: 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: 86]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) || (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && \result == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && \result == 1bv32) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && \result == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((((((!(systemActive == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((((!(systemActive == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: ((((((((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((!(systemActive == 0bv32) && \result == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Result: SAFE, OverallTime: 7.4s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.9s, HoareTripleCheckerStatistics: 1591 SDtfs, 2831 SDslu, 4064 SDs, 0 SdLazy, 508 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1000 GetRequests, 924 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=881occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 4149 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 295 NumberOfFragments, 1304 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3357284 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 2753186 FormulaSimplificationTreeSizeReductionInter, 15.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 954 ConstructedInterpolants, 0 QuantifiedInterpolants, 93741 SizeOfPredicates, 36 NumberOfNonLiveVariables, 2835 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 76/112 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...