./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.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_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 edf277e8e45bc51905c3746c53b47e5f504df38a ...................................................................................................................................... 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_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 edf277e8e45bc51905c3746c53b47e5f504df38a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:43:36,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:43:36,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:43:36,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:43:36,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:43:36,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:43:36,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:43:36,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:43:36,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:43:36,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:43:36,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:43:36,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:43:36,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:43:36,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:43:36,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:43:36,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:43:36,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:43:36,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:43:36,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:43:36,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:43:36,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:43:36,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:43:36,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:43:36,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:43:36,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:43:36,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:43:36,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:43:36,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:43:36,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:43:36,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:43:36,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:43:36,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:43:36,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:43:36,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:43:36,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:43:36,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:43:36,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:43:36,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:43:36,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:43:36,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:43:36,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:43:36,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:43:36,849 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:43:36,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:43:36,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:43:36,850 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:43:36,850 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:43:36,851 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:43:36,851 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:43:36,851 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:43:36,851 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:43:36,851 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:43:36,851 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:43:36,851 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:43:36,851 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:43:36,852 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:43:36,852 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:43:36,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:43:36,852 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:43:36,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:43:36,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:43:36,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:43:36,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:43:36,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:43:36,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:43:36,853 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:43:36,853 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:43:36,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:43:36,853 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:43:36,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:43:36,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:43:36,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:43:36,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:43:36,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:43:36,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:43:36,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:43:36,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:43:36,855 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:43:36,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:43:36,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:43:36,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:43:36,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:43:36,856 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_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2019-12-07 16:43:36,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:43:36,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:43:36,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:43:36,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:43:36,972 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:43:36,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2019-12-07 16:43:37,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/data/1da0da824/44ad73d447bf4f1ab66aab97990d1236/FLAG3d9cb618d [2019-12-07 16:43:37,384 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:43:37,384 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2019-12-07 16:43:37,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/data/1da0da824/44ad73d447bf4f1ab66aab97990d1236/FLAG3d9cb618d [2019-12-07 16:43:37,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/data/1da0da824/44ad73d447bf4f1ab66aab97990d1236 [2019-12-07 16:43:37,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:43:37,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:43:37,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:43:37,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:43:37,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:43:37,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:43:37" (1/1) ... [2019-12-07 16:43:37,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:37, skipping insertion in model container [2019-12-07 16:43:37,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:43:37" (1/1) ... [2019-12-07 16:43:37,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:43:37,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:43:37,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:43:37,654 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 16:43:37,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@415c3921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:37, skipping insertion in model container [2019-12-07 16:43:37,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:43:37,655 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 16:43:37,657 INFO L168 Benchmark]: Toolchain (without parser) took 252.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -140.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:43:37,657 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:43:37,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:43:37,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -146.1 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: 135]: 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 16:43:38,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:43:38,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:43:38,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:43:38,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:43:38,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:43:38,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:43:38,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:43:38,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:43:38,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:43:38,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:43:38,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:43:38,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:43:38,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:43:38,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:43:38,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:43:38,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:43:38,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:43:38,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:43:38,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:43:38,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:43:38,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:43:38,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:43:38,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:43:38,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:43:38,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:43:38,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:43:38,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:43:38,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:43:38,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:43:38,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:43:38,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:43:38,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:43:38,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:43:38,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:43:38,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:43:38,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:43:38,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:43:38,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:43:38,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:43:38,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:43:38,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:43:38,827 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:43:38,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:43:38,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:43:38,828 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:43:38,828 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:43:38,828 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:43:38,828 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:43:38,828 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:43:38,828 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:43:38,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:43:38,829 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:43:38,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:43:38,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:43:38,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:43:38,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:43:38,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:43:38,830 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:43:38,830 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:43:38,830 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:43:38,830 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:43:38,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:43:38,831 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:43:38,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:43:38,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:43:38,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:43:38,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:43:38,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:43:38,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:43:38,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:43:38,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:43:38,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:43:38,832 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:43:38,832 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:43:38,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:43:38,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:43:38,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:43:38,833 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_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2019-12-07 16:43:38,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:43:39,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:43:39,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:43:39,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:43:39,009 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:43:39,010 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2019-12-07 16:43:39,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/data/e9b327909/a6db4209f6a0441ea342d529123d4e69/FLAG4875f3339 [2019-12-07 16:43:39,467 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:43:39,468 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2019-12-07 16:43:39,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/data/e9b327909/a6db4209f6a0441ea342d529123d4e69/FLAG4875f3339 [2019-12-07 16:43:39,819 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/data/e9b327909/a6db4209f6a0441ea342d529123d4e69 [2019-12-07 16:43:39,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:43:39,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:43:39,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:43:39,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:43:39,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:43:39,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:43:39" (1/1) ... [2019-12-07 16:43:39,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:39, skipping insertion in model container [2019-12-07 16:43:39,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:43:39" (1/1) ... [2019-12-07 16:43:39,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:43:39,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:43:40,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:43:40,098 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 16:43:40,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:43:40,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:43:40,158 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:43:40,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:43:40,227 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:43:40,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:40 WrapperNode [2019-12-07 16:43:40,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:43:40,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:43:40,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:43:40,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:43:40,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:40" (1/1) ... [2019-12-07 16:43:40,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:40" (1/1) ... [2019-12-07 16:43:40,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:43:40,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:43:40,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:43:40,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:43:40,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:40" (1/1) ... [2019-12-07 16:43:40,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:40" (1/1) ... [2019-12-07 16:43:40,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:40" (1/1) ... [2019-12-07 16:43:40,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:40" (1/1) ... [2019-12-07 16:43:40,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:40" (1/1) ... [2019-12-07 16:43:40,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:40" (1/1) ... [2019-12-07 16:43:40,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:40" (1/1) ... [2019-12-07 16:43:40,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:43:40,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:43:40,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:43:40,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:43:40,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:43:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 16:43:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:43:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:43:40,892 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:43:40,893 INFO L287 CfgBuilder]: Removed 192 assume(true) statements. [2019-12-07 16:43:40,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:43:40 BoogieIcfgContainer [2019-12-07 16:43:40,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:43:40,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:43:40,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:43:40,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:43:40,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:43:39" (1/3) ... [2019-12-07 16:43:40,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf3fcb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:43:40, skipping insertion in model container [2019-12-07 16:43:40,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:43:40" (2/3) ... [2019-12-07 16:43:40,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf3fcb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:43:40, skipping insertion in model container [2019-12-07 16:43:40,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:43:40" (3/3) ... [2019-12-07 16:43:40,901 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2019-12-07 16:43:40,910 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:43:40,917 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:43:40,927 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:43:40,949 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:43:40,949 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:43:40,949 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:43:40,949 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:43:40,950 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:43:40,950 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:43:40,950 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:43:40,950 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:43:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-12-07 16:43:40,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 16:43:40,967 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:43:40,968 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:43:40,968 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:43:40,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:43:40,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2019-12-07 16:43:40,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:43:40,981 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56882407] [2019-12-07 16:43:40,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:41,114 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:43:41,118 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:41,129 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 16:43:41,129 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:41,133 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 16:43:41,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56882407] [2019-12-07 16:43:41,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:43:41,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:43:41,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961271463] [2019-12-07 16:43:41,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:43:41,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:43:41,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:43:41,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:43:41,149 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-12-07 16:43:41,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:43:41,177 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2019-12-07 16:43:41,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:43:41,178 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 16:43:41,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:43:41,189 INFO L225 Difference]: With dead ends: 264 [2019-12-07 16:43:41,190 INFO L226 Difference]: Without dead ends: 131 [2019-12-07 16:43:41,193 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 16:43:41,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-12-07 16:43:41,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-12-07 16:43:41,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-12-07 16:43:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2019-12-07 16:43:41,232 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2019-12-07 16:43:41,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:43:41,232 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2019-12-07 16:43:41,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:43:41,232 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2019-12-07 16:43:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 16:43:41,233 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:43:41,233 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 16:43:41,434 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:43:41,434 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:43:41,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:43:41,435 INFO L82 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2019-12-07 16:43:41,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:43:41,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642820036] [2019-12-07 16:43:41,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:41,541 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:43:41,542 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:41,555 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 16:43:41,555 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:41,563 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 16:43:41,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642820036] [2019-12-07 16:43:41,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:43:41,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 16:43:41,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724414604] [2019-12-07 16:43:41,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:43:41,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:43:41,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:43:41,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:43:41,565 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 4 states. [2019-12-07 16:43:41,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:43:41,577 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2019-12-07 16:43:41,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:43:41,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 16:43:41,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:43:41,579 INFO L225 Difference]: With dead ends: 131 [2019-12-07 16:43:41,579 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 16:43:41,580 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 16:43:41,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 16:43:41,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 16:43:41,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 16:43:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-12-07 16:43:41,585 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-12-07 16:43:41,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:43:41,585 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-12-07 16:43:41,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:43:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-12-07 16:43:41,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 16:43:41,586 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:43:41,586 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 16:43:41,787 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:43:41,787 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:43:41,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:43:41,787 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2019-12-07 16:43:41,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:43:41,788 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87889894] [2019-12-07 16:43:41,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:41,905 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:43:41,907 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:41,916 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 16:43:41,917 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:41,923 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 16:43:41,924 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87889894] [2019-12-07 16:43:41,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:43:41,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:43:41,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009324096] [2019-12-07 16:43:41,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:43:41,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:43:41,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:43:41,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:43:41,925 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 4 states. [2019-12-07 16:43:41,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:43:41,933 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2019-12-07 16:43:41,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:43:41,934 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 16:43:41,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:43:41,935 INFO L225 Difference]: With dead ends: 100 [2019-12-07 16:43:41,935 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 16:43:41,935 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 16:43:41,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 16:43:41,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 16:43:41,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 16:43:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-12-07 16:43:41,941 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2019-12-07 16:43:41,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:43:41,941 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-12-07 16:43:41,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:43:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-12-07 16:43:41,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:43:41,942 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:43:41,942 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 16:43:42,142 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:43:42,143 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:43:42,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:43:42,144 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2019-12-07 16:43:42,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:43:42,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508914805] [2019-12-07 16:43:42,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:42,272 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:43:42,274 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:42,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:43:42,279 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:42,281 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 16:43:42,281 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508914805] [2019-12-07 16:43:42,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:43:42,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 16:43:42,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038810191] [2019-12-07 16:43:42,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:43:42,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:43:42,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:43:42,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:43:42,283 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-12-07 16:43:42,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:43:42,333 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2019-12-07 16:43:42,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:43:42,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 16:43:42,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:43:42,334 INFO L225 Difference]: With dead ends: 121 [2019-12-07 16:43:42,334 INFO L226 Difference]: Without dead ends: 74 [2019-12-07 16:43:42,335 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 16:43:42,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-12-07 16:43:42,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2019-12-07 16:43:42,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 16:43:42,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2019-12-07 16:43:42,343 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2019-12-07 16:43:42,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:43:42,344 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2019-12-07 16:43:42,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:43:42,344 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2019-12-07 16:43:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 16:43:42,345 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:43:42,345 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:43:42,546 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:43:42,546 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:43:42,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:43:42,547 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2019-12-07 16:43:42,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:43:42,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287211859] [2019-12-07 16:43:42,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:42,669 INFO L264 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:43:42,671 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:42,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:43:42,686 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:42,694 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 16:43:42,694 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1287211859] [2019-12-07 16:43:42,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:43:42,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 16:43:42,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25740609] [2019-12-07 16:43:42,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:43:42,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:43:42,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:43:42,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:43:42,695 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2019-12-07 16:43:42,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:43:42,798 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2019-12-07 16:43:42,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:43:42,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 16:43:42,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:43:42,800 INFO L225 Difference]: With dead ends: 372 [2019-12-07 16:43:42,800 INFO L226 Difference]: Without dead ends: 306 [2019-12-07 16:43:42,801 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 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 16:43:42,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2019-12-07 16:43:42,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2019-12-07 16:43:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-12-07 16:43:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2019-12-07 16:43:42,816 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2019-12-07 16:43:42,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:43:42,817 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2019-12-07 16:43:42,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:43:42,817 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2019-12-07 16:43:42,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 16:43:42,818 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:43:42,818 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:43:43,018 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:43:43,019 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:43:43,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:43:43,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1286960866, now seen corresponding path program 1 times [2019-12-07 16:43:43,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:43:43,021 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334179027] [2019-12-07 16:43:43,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:43,200 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:43:43,201 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:43,226 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 16:43:43,226 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:43,230 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 16:43:43,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334179027] [2019-12-07 16:43:43,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:43:43,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:43:43,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465667356] [2019-12-07 16:43:43,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:43:43,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:43:43,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:43:43,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:43:43,232 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2019-12-07 16:43:43,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:43:43,350 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2019-12-07 16:43:43,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 16:43:43,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 16:43:43,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:43:43,352 INFO L225 Difference]: With dead ends: 378 [2019-12-07 16:43:43,352 INFO L226 Difference]: Without dead ends: 376 [2019-12-07 16:43:43,353 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 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 16:43:43,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-12-07 16:43:43,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2019-12-07 16:43:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-12-07 16:43:43,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2019-12-07 16:43:43,367 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2019-12-07 16:43:43,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:43:43,367 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2019-12-07 16:43:43,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:43:43,367 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2019-12-07 16:43:43,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:43:43,368 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:43:43,368 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 16:43:43,569 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 16:43:43,569 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:43:43,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:43:43,570 INFO L82 PathProgramCache]: Analyzing trace with hash -395111701, now seen corresponding path program 1 times [2019-12-07 16:43:43,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:43:43,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104217293] [2019-12-07 16:43:43,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:43,663 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:43:43,664 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:43,675 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 16:43:43,675 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:43,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:43:43,679 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104217293] [2019-12-07 16:43:43,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:43:43,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 16:43:43,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047226620] [2019-12-07 16:43:43,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:43:43,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:43:43,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:43:43,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:43:43,680 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2019-12-07 16:43:43,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:43:43,728 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2019-12-07 16:43:43,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:43:43,728 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 16:43:43,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:43:43,729 INFO L225 Difference]: With dead ends: 344 [2019-12-07 16:43:43,730 INFO L226 Difference]: Without dead ends: 218 [2019-12-07 16:43:43,730 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 16:43:43,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-12-07 16:43:43,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2019-12-07 16:43:43,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-12-07 16:43:43,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2019-12-07 16:43:43,739 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2019-12-07 16:43:43,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:43:43,739 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2019-12-07 16:43:43,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:43:43,739 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2019-12-07 16:43:43,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:43:43,740 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:43:43,740 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 16:43:43,941 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 16:43:43,942 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:43:43,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:43:43,942 INFO L82 PathProgramCache]: Analyzing trace with hash -981917715, now seen corresponding path program 1 times [2019-12-07 16:43:43,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:43:43,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757493662] [2019-12-07 16:43:43,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:44,060 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:43:44,061 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:44,070 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 16:43:44,070 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:44,080 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 16:43:44,080 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757493662] [2019-12-07 16:43:44,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:43:44,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 16:43:44,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314503335] [2019-12-07 16:43:44,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:43:44,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:43:44,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:43:44,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:43:44,081 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 6 states. [2019-12-07 16:43:44,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:43:44,123 INFO L93 Difference]: Finished difference Result 378 states and 510 transitions. [2019-12-07 16:43:44,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:43:44,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 16:43:44,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:43:44,125 INFO L225 Difference]: With dead ends: 378 [2019-12-07 16:43:44,126 INFO L226 Difference]: Without dead ends: 240 [2019-12-07 16:43:44,126 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 16:43:44,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-12-07 16:43:44,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 152. [2019-12-07 16:43:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-12-07 16:43:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2019-12-07 16:43:44,142 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2019-12-07 16:43:44,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:43:44,142 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2019-12-07 16:43:44,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:43:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2019-12-07 16:43:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:43:44,144 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:43:44,144 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 16:43:44,344 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 16:43:44,345 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:43:44,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:43:44,345 INFO L82 PathProgramCache]: Analyzing trace with hash 2033185903, now seen corresponding path program 1 times [2019-12-07 16:43:44,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:43:44,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458938721] [2019-12-07 16:43:44,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:44,471 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:43:44,472 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:44,477 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 16:43:44,478 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:44,484 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 16:43:44,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458938721] [2019-12-07 16:43:44,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:43:44,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 16:43:44,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354413599] [2019-12-07 16:43:44,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:43:44,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:43:44,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:43:44,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:43:44,486 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 4 states. [2019-12-07 16:43:44,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:43:44,543 INFO L93 Difference]: Finished difference Result 454 states and 612 transitions. [2019-12-07 16:43:44,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:43:44,543 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 16:43:44,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:43:44,545 INFO L225 Difference]: With dead ends: 454 [2019-12-07 16:43:44,545 INFO L226 Difference]: Without dead ends: 308 [2019-12-07 16:43:44,546 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 16:43:44,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2019-12-07 16:43:44,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 256. [2019-12-07 16:43:44,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-12-07 16:43:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 341 transitions. [2019-12-07 16:43:44,565 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 341 transitions. Word has length 34 [2019-12-07 16:43:44,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:43:44,565 INFO L462 AbstractCegarLoop]: Abstraction has 256 states and 341 transitions. [2019-12-07 16:43:44,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:43:44,566 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 341 transitions. [2019-12-07 16:43:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 16:43:44,566 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:43:44,566 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 16:43:44,767 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 16:43:44,767 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:43:44,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:43:44,768 INFO L82 PathProgramCache]: Analyzing trace with hash -745345683, now seen corresponding path program 1 times [2019-12-07 16:43:44,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:43:44,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463179001] [2019-12-07 16:43:44,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:44,858 INFO L264 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:43:44,860 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:44,881 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 16:43:44,881 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:44,911 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 16:43:44,911 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463179001] [2019-12-07 16:43:44,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:43:44,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 16:43:44,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669766883] [2019-12-07 16:43:44,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 16:43:44,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:43:44,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 16:43:44,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 16:43:44,912 INFO L87 Difference]: Start difference. First operand 256 states and 341 transitions. Second operand 10 states. [2019-12-07 16:43:45,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:43:45,255 INFO L93 Difference]: Finished difference Result 990 states and 1296 transitions. [2019-12-07 16:43:45,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 16:43:45,255 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-12-07 16:43:45,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:43:45,258 INFO L225 Difference]: With dead ends: 990 [2019-12-07 16:43:45,258 INFO L226 Difference]: Without dead ends: 740 [2019-12-07 16:43:45,259 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 16:43:45,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2019-12-07 16:43:45,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 256. [2019-12-07 16:43:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-12-07 16:43:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 335 transitions. [2019-12-07 16:43:45,275 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 335 transitions. Word has length 35 [2019-12-07 16:43:45,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:43:45,275 INFO L462 AbstractCegarLoop]: Abstraction has 256 states and 335 transitions. [2019-12-07 16:43:45,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 16:43:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 335 transitions. [2019-12-07 16:43:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 16:43:45,276 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:43:45,276 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 16:43:45,477 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 16:43:45,477 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:43:45,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:43:45,478 INFO L82 PathProgramCache]: Analyzing trace with hash -785430939, now seen corresponding path program 1 times [2019-12-07 16:43:45,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:43:45,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350990615] [2019-12-07 16:43:45,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:45,617 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:43:45,619 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:45,643 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 16:43:45,643 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:45,647 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:43:45,668 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 16:43:45,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350990615] [2019-12-07 16:43:45,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [61244107] [2019-12-07 16:43:45,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:45,842 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 16:43:45,844 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:45,851 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 16:43:45,851 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:45,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:43:45,861 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 16:43:45,861 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328486958] [2019-12-07 16:43:45,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:46,005 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:43:46,006 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:46,014 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 16:43:46,014 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:46,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:43:46,021 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 16:43:46,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 16:43:46,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2019-12-07 16:43:46,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486022389] [2019-12-07 16:43:46,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:43:46,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:43:46,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:43:46,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:43:46,022 INFO L87 Difference]: Start difference. First operand 256 states and 335 transitions. Second operand 8 states. [2019-12-07 16:43:46,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:43:46,606 INFO L93 Difference]: Finished difference Result 2489 states and 3259 transitions. [2019-12-07 16:43:46,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-07 16:43:46,607 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-12-07 16:43:46,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:43:46,615 INFO L225 Difference]: With dead ends: 2489 [2019-12-07 16:43:46,615 INFO L226 Difference]: Without dead ends: 2239 [2019-12-07 16:43:46,616 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2019-12-07 16:43:46,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2019-12-07 16:43:46,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 721. [2019-12-07 16:43:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2019-12-07 16:43:46,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 967 transitions. [2019-12-07 16:43:46,665 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 967 transitions. Word has length 56 [2019-12-07 16:43:46,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:43:46,666 INFO L462 AbstractCegarLoop]: Abstraction has 721 states and 967 transitions. [2019-12-07 16:43:46,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:43:46,666 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 967 transitions. [2019-12-07 16:43:46,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 16:43:46,666 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:43:46,666 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 16:43:47,267 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 16:43:47,268 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:43:47,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:43:47,269 INFO L82 PathProgramCache]: Analyzing trace with hash -84366361, now seen corresponding path program 1 times [2019-12-07 16:43:47,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:43:47,269 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312868061] [2019-12-07 16:43:47,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/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 16:43:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:43:47,422 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:43:47,423 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:43:47,435 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 16:43:47,435 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:43:47,451 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 16:43:47,451 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312868061] [2019-12-07 16:43:47,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:43:47,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 16:43:47,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083851332] [2019-12-07 16:43:47,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:43:47,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:43:47,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:43:47,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:43:47,452 INFO L87 Difference]: Start difference. First operand 721 states and 967 transitions. Second operand 8 states. [2019-12-07 16:43:47,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:43:47,502 INFO L93 Difference]: Finished difference Result 1055 states and 1384 transitions. [2019-12-07 16:43:47,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:43:47,503 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-12-07 16:43:47,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:43:47,503 INFO L225 Difference]: With dead ends: 1055 [2019-12-07 16:43:47,503 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:43:47,504 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 16:43:47,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:43:47,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:43:47,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:43:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:43:47,505 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-12-07 16:43:47,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:43:47,505 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:43:47,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:43:47,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:43:47,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:43:47,705 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-12-07 16:43:47,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:43:48,042 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 141 [2019-12-07 16:43:48,255 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 149 [2019-12-07 16:43:48,618 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2019-12-07 16:43:49,276 WARN L192 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2019-12-07 16:43:50,251 WARN L192 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 28 [2019-12-07 16:43:50,935 WARN L192 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 33 [2019-12-07 16:43:51,701 WARN L192 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 27 [2019-12-07 16:43:52,321 WARN L192 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 31 [2019-12-07 16:43:52,999 WARN L192 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 34 [2019-12-07 16:43:53,204 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2019-12-07 16:43:53,594 WARN L192 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 30 [2019-12-07 16:43:54,398 WARN L192 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 27 [2019-12-07 16:43:54,400 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-12-07 16:43:54,400 INFO L242 CegarLoopResult]: At program point L102(lines 97 105) 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 16:43:54,400 INFO L242 CegarLoopResult]: At program point L533(lines 486 534) the Hoare annotation is: false [2019-12-07 16:43:54,400 INFO L246 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-12-07 16:43:54,400 INFO L246 CegarLoopResult]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2019-12-07 16:43:54,400 INFO L246 CegarLoopResult]: For program point L734-3(lines 734 738) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L734-5(lines 734 738) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L734-6(lines 734 738) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L734-8(lines 734 738) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L734-9(lines 734 738) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L734-11(lines 734 738) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L734-12(lines 734 738) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L734-14(lines 734 738) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L734-15(lines 734 738) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L734-17(lines 734 738) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L867(lines 867 871) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L867-3(lines 867 871) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L867-6(lines 867 871) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-12-07 16:43:54,401 INFO L246 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2019-12-07 16:43:54,402 INFO L246 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2019-12-07 16:43:54,402 INFO L246 CegarLoopResult]: For program point L968-2(line 968) no Hoare annotation was computed. [2019-12-07 16:43:54,402 INFO L246 CegarLoopResult]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-12-07 16:43:54,402 INFO L242 CegarLoopResult]: At program point L507-1(lines 507 513) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse2 .cse6 .cse5 .cse4))) [2019-12-07 16:43:54,402 INFO L242 CegarLoopResult]: At program point L904(lines 899 907) the Hoare annotation is: false [2019-12-07 16:43:54,402 INFO L242 CegarLoopResult]: At program point L904-1(lines 899 907) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3))) [2019-12-07 16:43:54,402 INFO L242 CegarLoopResult]: At program point L904-2(lines 899 907) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse8 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse1 .cse8 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse7 .cse1 .cse2 .cse8 .cse4))) [2019-12-07 16:43:54,402 INFO L242 CegarLoopResult]: At program point L904-3(lines 899 907) the Hoare annotation is: false [2019-12-07 16:43:54,402 INFO L242 CegarLoopResult]: At program point L904-4(lines 899 907) the Hoare annotation is: false [2019-12-07 16:43:54,402 INFO L242 CegarLoopResult]: At program point L904-5(lines 899 907) the Hoare annotation is: false [2019-12-07 16:43:54,403 INFO L242 CegarLoopResult]: At program point L904-6(lines 899 907) the Hoare annotation is: false [2019-12-07 16:43:54,403 INFO L242 CegarLoopResult]: At program point L904-7(lines 899 907) the Hoare annotation is: false [2019-12-07 16:43:54,403 INFO L242 CegarLoopResult]: At program point L904-8(lines 899 907) the Hoare annotation is: false [2019-12-07 16:43:54,403 INFO L242 CegarLoopResult]: At program point L740(lines 725 743) the Hoare annotation is: false [2019-12-07 16:43:54,403 INFO L242 CegarLoopResult]: At program point L740-1(lines 725 743) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse9 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse3 .cse8 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse4 .cse5 .cse7) (and .cse1 .cse3 .cse9 .cse8 .cse7))) [2019-12-07 16:43:54,403 INFO L242 CegarLoopResult]: At program point L740-2(lines 725 743) the Hoare annotation is: false [2019-12-07 16:43:54,403 INFO L242 CegarLoopResult]: At program point L740-3(lines 725 743) the Hoare annotation is: false [2019-12-07 16:43:54,403 INFO L242 CegarLoopResult]: At program point L740-4(lines 725 743) the Hoare annotation is: false [2019-12-07 16:43:54,403 INFO L242 CegarLoopResult]: At program point L740-5(lines 725 743) the Hoare annotation is: false [2019-12-07 16:43:54,403 INFO L242 CegarLoopResult]: At program point L775-2(lines 775 789) the Hoare annotation is: false [2019-12-07 16:43:54,403 INFO L242 CegarLoopResult]: At program point L676(lines 669 679) the Hoare annotation is: false [2019-12-07 16:43:54,404 INFO L242 CegarLoopResult]: At program point L676-1(lines 669 679) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32)))) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 16:43:54,404 INFO L242 CegarLoopResult]: At program point L676-2(lines 669 679) the Hoare annotation is: false [2019-12-07 16:43:54,404 INFO L242 CegarLoopResult]: At program point L676-3(lines 669 679) the Hoare annotation is: false [2019-12-07 16:43:54,404 INFO L242 CegarLoopResult]: At program point L676-4(lines 669 679) the Hoare annotation is: false [2019-12-07 16:43:54,404 INFO L242 CegarLoopResult]: At program point L676-5(lines 669 679) the Hoare annotation is: false [2019-12-07 16:43:54,404 INFO L246 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2019-12-07 16:43:54,404 INFO L246 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-12-07 16:43:54,404 INFO L242 CegarLoopResult]: At program point L51-1(lines 1 971) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse1 .cse6 .cse3) (and .cse4 .cse7 .cse0 .cse2 .cse3) (and .cse4 .cse7 .cse5 .cse0 .cse6 .cse3))) [2019-12-07 16:43:54,404 INFO L246 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-12-07 16:43:54,404 INFO L242 CegarLoopResult]: At program point L51-3(lines 1 971) the Hoare annotation is: false [2019-12-07 16:43:54,404 INFO L246 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-12-07 16:43:54,404 INFO L242 CegarLoopResult]: At program point L51-5(lines 1 971) the Hoare annotation is: false [2019-12-07 16:43:54,404 INFO L246 CegarLoopResult]: For program point L944(lines 944 950) no Hoare annotation was computed. [2019-12-07 16:43:54,404 INFO L246 CegarLoopResult]: For program point L944-1(lines 944 950) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L944-2(lines 944 950) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L944-3(lines 944 950) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L944-4(lines 944 950) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L944-5(lines 944 950) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L779-1(lines 556 562) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L614(lines 614 631) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L614-1(lines 614 631) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L614-2(lines 614 631) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L879(lines 879 883) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L249 CegarLoopResult]: At program point L846-1(lines 846 853) the Hoare annotation is: true [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L517(lines 517 528) no Hoare annotation was computed. [2019-12-07 16:43:54,405 INFO L246 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-12-07 16:43:54,406 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-12-07 16:43:54,406 INFO L246 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-12-07 16:43:54,406 INFO L246 CegarLoopResult]: For program point L651(lines 651 657) no Hoare annotation was computed. [2019-12-07 16:43:54,406 INFO L246 CegarLoopResult]: For program point L618(lines 618 626) no Hoare annotation was computed. [2019-12-07 16:43:54,406 INFO L246 CegarLoopResult]: For program point L651-2(lines 651 657) no Hoare annotation was computed. [2019-12-07 16:43:54,406 INFO L246 CegarLoopResult]: For program point L618-1(lines 618 626) no Hoare annotation was computed. [2019-12-07 16:43:54,406 INFO L246 CegarLoopResult]: For program point L618-2(lines 618 626) no Hoare annotation was computed. [2019-12-07 16:43:54,406 INFO L246 CegarLoopResult]: For program point L651-4(lines 651 657) no Hoare annotation was computed. [2019-12-07 16:43:54,406 INFO L246 CegarLoopResult]: For program point L651-6(lines 651 657) no Hoare annotation was computed. [2019-12-07 16:43:54,406 INFO L246 CegarLoopResult]: For program point L651-8(lines 651 657) no Hoare annotation was computed. [2019-12-07 16:43:54,406 INFO L246 CegarLoopResult]: For program point L651-10(lines 651 657) no Hoare annotation was computed. [2019-12-07 16:43:54,406 INFO L242 CegarLoopResult]: At program point L949(lines 940 953) the Hoare annotation is: false [2019-12-07 16:43:54,406 INFO L242 CegarLoopResult]: At program point L949-1(lines 940 953) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse7 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse1 .cse3 .cse4) (and .cse0 .cse1 .cse7 .cse2 .cse4) (and .cse5 .cse0 .cse6 .cse7 .cse1 .cse4))) [2019-12-07 16:43:54,406 INFO L242 CegarLoopResult]: At program point L949-2(lines 940 953) the Hoare annotation is: false [2019-12-07 16:43:54,406 INFO L242 CegarLoopResult]: At program point L949-3(lines 940 953) the Hoare annotation is: false [2019-12-07 16:43:54,407 INFO L242 CegarLoopResult]: At program point L949-4(lines 940 953) the Hoare annotation is: false [2019-12-07 16:43:54,407 INFO L242 CegarLoopResult]: At program point L949-5(lines 940 953) the Hoare annotation is: false [2019-12-07 16:43:54,407 INFO L242 CegarLoopResult]: At program point L685(lines 680 688) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse3 .cse4 .cse5) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse1 .cse3 .cse4 .cse5))) [2019-12-07 16:43:54,407 INFO L242 CegarLoopResult]: At program point L685-1(lines 680 688) the Hoare annotation is: false [2019-12-07 16:43:54,407 INFO L242 CegarLoopResult]: At program point L685-2(lines 680 688) the Hoare annotation is: false [2019-12-07 16:43:54,407 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:43:54,407 INFO L246 CegarLoopResult]: For program point L488(lines 487 532) no Hoare annotation was computed. [2019-12-07 16:43:54,407 INFO L246 CegarLoopResult]: For program point L753(lines 753 757) no Hoare annotation was computed. [2019-12-07 16:43:54,407 INFO L246 CegarLoopResult]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2019-12-07 16:43:54,407 INFO L246 CegarLoopResult]: For program point L753-3(lines 753 757) no Hoare annotation was computed. [2019-12-07 16:43:54,407 INFO L246 CegarLoopResult]: For program point L588(lines 588 605) no Hoare annotation was computed. [2019-12-07 16:43:54,407 INFO L246 CegarLoopResult]: For program point L753-5(lines 753 757) no Hoare annotation was computed. [2019-12-07 16:43:54,407 INFO L246 CegarLoopResult]: For program point L588-1(lines 588 605) no Hoare annotation was computed. [2019-12-07 16:43:54,408 INFO L246 CegarLoopResult]: For program point L753-6(lines 753 757) no Hoare annotation was computed. [2019-12-07 16:43:54,408 INFO L246 CegarLoopResult]: For program point L588-2(lines 588 605) no Hoare annotation was computed. [2019-12-07 16:43:54,408 INFO L246 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2019-12-07 16:43:54,408 INFO L246 CegarLoopResult]: For program point L588-3(lines 588 605) no Hoare annotation was computed. [2019-12-07 16:43:54,408 INFO L246 CegarLoopResult]: For program point L753-8(lines 753 757) no Hoare annotation was computed. [2019-12-07 16:43:54,408 INFO L246 CegarLoopResult]: For program point L588-4(lines 588 605) no Hoare annotation was computed. [2019-12-07 16:43:54,408 INFO L246 CegarLoopResult]: For program point L588-5(lines 588 605) no Hoare annotation was computed. [2019-12-07 16:43:54,408 INFO L242 CegarLoopResult]: At program point L556(lines 555 574) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse6 .cse5 .cse3) (and .cse0 .cse6 .cse1 .cse3))) [2019-12-07 16:43:54,408 INFO L246 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-12-07 16:43:54,408 INFO L246 CegarLoopResult]: For program point L556-1(lines 556 562) no Hoare annotation was computed. [2019-12-07 16:43:54,408 INFO L242 CegarLoopResult]: At program point L556-2(lines 555 574) the Hoare annotation is: false [2019-12-07 16:43:54,408 INFO L246 CegarLoopResult]: For program point L523-2(lines 556 562) no Hoare annotation was computed. [2019-12-07 16:43:54,408 INFO L242 CegarLoopResult]: At program point L556-3(lines 555 574) the Hoare annotation is: false [2019-12-07 16:43:54,408 INFO L242 CegarLoopResult]: At program point L94(lines 1 971) 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 16:43:54,409 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:43:54,409 INFO L249 CegarLoopResult]: At program point L855(lines 836 858) the Hoare annotation is: true [2019-12-07 16:43:54,409 INFO L242 CegarLoopResult]: At program point L823(lines 819 825) 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 16:43:54,409 INFO L246 CegarLoopResult]: For program point L592(lines 592 600) no Hoare annotation was computed. [2019-12-07 16:43:54,409 INFO L246 CegarLoopResult]: For program point L592-1(lines 592 600) no Hoare annotation was computed. [2019-12-07 16:43:54,409 INFO L246 CegarLoopResult]: For program point L592-2(lines 592 600) no Hoare annotation was computed. [2019-12-07 16:43:54,409 INFO L246 CegarLoopResult]: For program point L592-3(lines 592 600) no Hoare annotation was computed. [2019-12-07 16:43:54,409 INFO L246 CegarLoopResult]: For program point L592-4(lines 592 600) no Hoare annotation was computed. [2019-12-07 16:43:54,409 INFO L246 CegarLoopResult]: For program point L592-5(lines 592 600) no Hoare annotation was computed. [2019-12-07 16:43:54,409 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:43:54,409 INFO L246 CegarLoopResult]: For program point L891(lines 891 895) no Hoare annotation was computed. [2019-12-07 16:43:54,409 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-12-07 16:43:54,409 INFO L242 CegarLoopResult]: At program point L759(lines 744 762) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ 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~9 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 .cse5 .cse6) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 .cse3 .cse4 .cse5 .cse6))) [2019-12-07 16:43:54,409 INFO L242 CegarLoopResult]: At program point L759-1(lines 744 762) the Hoare annotation is: false [2019-12-07 16:43:54,410 INFO L242 CegarLoopResult]: At program point L759-2(lines 744 762) the Hoare annotation is: false [2019-12-07 16:43:54,410 INFO L242 CegarLoopResult]: At program point L959(lines 954 962) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 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 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse2 .cse3))) [2019-12-07 16:43:54,410 INFO L242 CegarLoopResult]: At program point L959-1(lines 954 962) the Hoare annotation is: false [2019-12-07 16:43:54,410 INFO L242 CegarLoopResult]: At program point L959-2(lines 954 962) the Hoare annotation is: false [2019-12-07 16:43:54,410 INFO L242 CegarLoopResult]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse2 .cse5 .cse4) (and .cse0 .cse2 .cse1 .cse6 .cse4) (and .cse2 .cse6 .cse5 .cse4))) [2019-12-07 16:43:54,410 INFO L242 CegarLoopResult]: At program point L563-1(lines 563 569) the Hoare annotation is: false [2019-12-07 16:43:54,410 INFO L246 CegarLoopResult]: For program point L497(lines 497 503) no Hoare annotation was computed. [2019-12-07 16:43:54,410 INFO L242 CegarLoopResult]: At program point L563-2(lines 563 569) the Hoare annotation is: false [2019-12-07 16:43:54,410 INFO L242 CegarLoopResult]: At program point L497-1(lines 497 503) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse1 .cse6 .cse3) (and .cse4 .cse7 .cse0 .cse2 .cse3) (and .cse4 .cse7 .cse5 .cse0 .cse6 .cse3))) [2019-12-07 16:43:54,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:43:54 BoogieIcfgContainer [2019-12-07 16:43:54,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:43:54,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:43:54,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:43:54,436 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:43:54,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:43:40" (3/4) ... [2019-12-07 16:43:54,439 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:43:54,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:43:54,454 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:43:54,454 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:43:54,455 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:43:54,456 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:43:54,457 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:43:54,458 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:43:54,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 16:43:54,477 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 16:43:54,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 16:43:54,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 16:43:54,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 16:43:54,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 16:43:54,480 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(tmp___0, 4294967295bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) || (((((((0bv32 == ~bvadd64(tmp___0, 4294967295bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) [2019-12-07 16:43:54,480 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((((tmp___0 == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && !(tmp == 0bv32)) && \result == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) [2019-12-07 16:43:54,481 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 16:43:54,481 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 16:43:54,530 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_73d8e5c1-33bf-4001-bd79-4f046b5f9e75/bin/utaipan/witness.graphml [2019-12-07 16:43:54,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:43:54,531 INFO L168 Benchmark]: Toolchain (without parser) took 14708.67 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 358.6 MB). Free memory was 947.0 MB in the beginning and 1.3 GB in the end (delta: -307.2 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:43:54,531 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:43:54,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-12-07 16:43:54,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 16:43:54,531 INFO L168 Benchmark]: Boogie Preprocessor took 37.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:43:54,532 INFO L168 Benchmark]: RCFGBuilder took 577.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:43:54,532 INFO L168 Benchmark]: TraceAbstraction took 13540.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 212.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -235.2 MB). Peak memory consumption was 416.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:43:54,532 INFO L168 Benchmark]: Witness Printer took 93.77 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:43:54,533 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 577.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13540.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 212.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -235.2 MB). Peak memory consumption was 416.0 MB. Max. memory is 11.5 GB. * Witness Printer took 93.77 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: 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: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((((((((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: ((((((\result == 0bv32 && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((((tmp___0 == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && !(tmp == 0bv32)) && \result == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(tmp___0, 4294967295bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) || (((((((0bv32 == ~bvadd64(tmp___0, 4294967295bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 6.7s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, HoareTripleCheckerStatistics: 1495 SDtfs, 2407 SDslu, 3764 SDs, 0 SdLazy, 511 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1020 GetRequests, 944 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=721occurred 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: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 2636 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 175 NumberOfFragments, 1093 HoareAnnotationTreeSize, 54 FomulaSimplifications, 1461815 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 54 FomulaSimplificationsInter, 461521 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 974 ConstructedInterpolants, 0 QuantifiedInterpolants, 96769 SizeOfPredicates, 36 NumberOfNonLiveVariables, 2851 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...